HRV Seismogram Archival Project: Scanned Images (1934)

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Choose month or day of interest. Once the file of interest is found, please use the right button of your mouse to save the image to your computer.

JanuaryFebruaryMarch
1 2 3 4 5 6 1 2 3 1 2 3
7 8 9 10 11 12 13 4 5 6 7 8 9 10 4 5 6 7 8 9 10
14 15 16 17 18 19 20 11 12 13 14 15 16 17 11 12 13 14 15 16 17
21 22 23 24 25 26 27 18 19 20 21 22 23 24 18 19 20 21 22 23 24
28 29 30 31 25 26 27 28 25 26 27 28 29 30 31
AprilMayJune
1 2 3 4 5 6 7 1 2 3 4 5 1 2
8 9 10 11 12 13 14 6 7 8 9 10 11 12 3 4 5 6 7 8 9
15 16 17 18 19 20 21 13 14 15 16 17 18 19 10 11 12 13 14 15 16
22 23 24 25 26 27 28 20 21 22 23 24 25 26 17 18 19 20 21 22 23
29 30 27 28 29 30 31 24 25 26 27 28 29 30
JulyAugustSeptember
1 2 3 4 5 6 7 1 2 3 4 1
8 9 10 11 12 13 14 5 6 7 8 9 10 11 2 3 4 5 6 7 8
15 16 17 18 19 20 21 12 13 14 15 16 17 18 9 10 11 12 13 14 15
22 23 24 25 26 27 28 19 20 21 22 23 24 25 16 17 18 19 20 21 22
29 30 31 26 27 28 29 30 31 23 24 25 26 27 28 29
30
OctoberNovemberDecember
1 2 3 4 5 6 1 2 3 1
7 8 9 10 11 12 13 4 5 6 7 8 9 10 2 3 4 5 6 7 8
14 15 16 17 18 19 20 11 12 13 14 15 16 17 9 10 11 12 13 14 15
21 22 23 24 25 26 27 18 19 20 21 22 23 24 16 17 18 19 20 21 22
28 29 30 31 25 26 27 28 29 30 23 24 25 26 27 28 29
30 31

1933 Back to List of Years 1935

s0238_1934_0717_0719_b2l_z_f.jpg

January

Date Instrument Components
12/30 - 01/01 Benioff 1M-Z (1.41 GB)     Info
JPG (47 MB)
01/01 - 01/03 Benioff 1M-Z (1.43 GB)     Info
JPG (50 MB)
2L-Z (1.43 GB)     Info
JPG (48 MB)
MS 43-NW (1.39 GB)     Info
JPG (43 MB)
44-SW (1.4 GB)     Info
JPG (42 MB)
WA 1-EW (1.39 GB)     Info
JPG (40 MB)
confusing notes/stamps on back between Benioff 1M and WA 1. Based upon trace appearance and hand-written phases, Benioff 1 and WA 1 are assigned.
01/05 - 01/07 MS 43-NW (1.39 GB)     Info
JPG (42 MB)
44-SW (1.39 GB)     Info
JPG (42 MB)
01/09 - 01/11 Benioff 1M-Z (1.4 GB)     Info
JPG (47 MB)
2L-Z (1.39 GB)     Info
JPG (44 MB)
MS 43-NW (1.39 GB)     Info
JPG (42 MB)
44-SW (1.39 GB)     Info
JPG (42 MB)
01/11 - 01/13 MS 43-NW (1.38 GB)     Info
JPG (42 MB)
44-SW (1.38 GB)     Info
JPG (42 MB)
01/13 - 01/15 Benioff 1M-Z (1.43 GB)     Info
JPG (51 MB)
2L-Z (1.43 GB)     Info
JPG (49 MB)
MS 43-NW (1.38 GB)     Info
JPG (44 MB)
44-SW (1.38 GB)     Info
JPG (42 MB)
WA 1-EW (1.37 GB)     Info
JPG (39 MB)
2-NS (1.38 GB)     Info
JPG (41 MB)
01/15 - 01/17 MS 43-NW (1.38 GB)     Info
JPG (40 MB)
44-SW (1.37 GB)     Info
JPG (40 MB)
01/17 - 01/19 Benioff 1M-Z (1.41 GB)     Info
JPG (47 MB)
MS 43-NW (1.38 GB)     Info
JPG (41 MB)
44-SW (1.37 GB)     Info
JPG (39 MB)
01/19 - 01/21 Benioff 1M-Z (1.41 GB)     Info
JPG (48 MB)
MS 43-NW (1.39 GB)     Info
JPG (42 MB)
44-SW (1.39 GB)     Info
JPG (42 MB)
01/21 - 01/23 Benioff 1M-Z (1.4 GB)     Info
JPG (45 MB)
MS 43-NW (1.37 GB)     Info
JPG (39 MB)
44-SW (1.37 GB)     Info
JPG (40 MB)
01/25 - 01/27 Benioff 1M-Z (1.41 GB)     Info
JPG (47 MB)
2L-Z (1.39 GB)     Info
JPG (44 MB)
WA 2-NS (1.37 GB)     Info
JPG (39 MB)
01/27 - 01/29 Benioff 1M-Z (1.4 GB)     Info
JPG (47 MB)
2L-Z (1.39 GB)     Info
JPG (45 MB)
MS 43-NW (1.38 GB)     Info
JPG (43 MB)
44-SW (1.37 GB)     Info
JPG (40 MB)
WA 1-EW (1.37 GB)     Info
JPG (39 MB)
2-NS (1.37 GB)     Info
JPG (41 MB)
01/29 - 01/31 Benioff 1M-Z (1.42 GB)     Info
JPG (49 MB)
2L-Z (1.41 GB)     Info
JPG (47 MB)
MS 43-NW (1.38 GB)     Info
JPG (43 MB)
44-SW (1.38 GB)     Info
JPG (41 MB)
WA 1-EW (1.38 GB)     Info
JPG (40 MB)
2-NS (1.38 GB)     Info
JPG (40 MB)
01/31 - 02/02 MS 43-NW (1.39 GB)     Info
JPG (44 MB)
44-SW (1.38 GB)     Info
JPG (42 MB)

February

Date Instrument Components
01/31 - 02/02 MS 43-NW (1.39 GB)     Info
JPG (44 MB)
44-SW (1.38 GB)     Info
JPG (42 MB)
02/02 - 02/04 Benioff 1M-Z (1.42 GB)     Info
JPG (47 MB)
2L-Z (1.43 GB)     Info
JPG (47 MB)
MS 43-NW (1.39 GB)     Info
JPG (42 MB)
44-SW (1.39 GB)     Info
JPG (42 MB)
02/08 - 02/10 Benioff 1M-Z (1.41 GB)     Info
JPG (45 MB)
2L-Z (1.4 GB)     Info
JPG (44 MB)
MS 43-NW (1.39 GB)     Info
JPG (43 MB)
44-SW (1.39 GB)     Info
JPG (42 MB)
02/10 - 02/12 Benioff 1M-Z (1.43 GB)     Info
JPG (48 MB)
2L-Z (1.4 GB)     Info
JPG (44 MB)
MS 43-NW (1.4 GB)     Info
JPG (44 MB)
44-SW (1.39 GB)     Info
JPG (43 MB)
02/12 - 02/14 Benioff 1M-Z (1.41 GB)     Info
JPG (47 MB)
2L-Z (1.42 GB)     Info
JPG (48 MB)
MS 43-NW (1.39 GB)     Info
JPG (43 MB)
44-SW (1.39 GB)     Info
JPG (42 MB)
WA 1-EW (1.38 GB)     Info
JPG (39 MB)
2-NS (1.38 GB)     Info
JPG (39 MB)
02/18 - 02/20 Benioff 1M-Z (1.4 GB)     Info
JPG (45 MB)
2L-Z (1.39 GB)     Info
JPG (46 MB)
MS 43-NW (1.38 GB)     Info
JPG (42 MB)
44-SW (1.38 GB)     Info
JPG (40 MB)
02/20 - 02/22 MS 44-SW (1.38 GB)     Info
JPG (46 MB)
02/22 - 02/24 Benioff 1M-Z (1.41 GB)     Info
JPG (48 MB)
2L-Z (1.41 GB)     Info
JPG (46 MB)
MS 43-NW (1.38 GB)     Info
JPG (40 MB)
44-SW (1.38 GB)     Info
JPG (40 MB)
02/26 - 02/28 Benioff 1M-Z (1.42 GB)     Info
JPG (51 MB)
2L-Z (1.43 GB)     Info
JPG (50 MB)
MS 43-NW (1.38 GB)     Info
JPG (37 MB)
44-SW (1.38 GB)     Info
JPG (42 MB)
02/28 - 03/02 Benioff 1M-Z (1.39 GB)     Info
JPG (42 MB)
2L-Z (1.38 GB)     Info
JPG (40 MB)
MS 43-NW (1.38 GB)     Info
JPG (42 MB)
44-SW (1.38 GB)     Info
JPG (41 MB)
WA 1-EW (1.37 GB)     Info
JPG (37 MB)
2-NS (1.37 GB)     Info
JPG (39 MB)

March

Date Instrument Components
02/28 - 03/02 Benioff 1M-Z (1.39 GB)     Info
JPG (42 MB)
2L-Z (1.38 GB)     Info
JPG (40 MB)
MS 43-NW (1.38 GB)     Info
JPG (42 MB)
44-SW (1.38 GB)     Info
JPG (41 MB)
WA 1-EW (1.37 GB)     Info
JPG (37 MB)
2-NS (1.37 GB)     Info
JPG (39 MB)
03/04 - 03/06 Benioff 1M-Z (1.41 GB)     Info
JPG (47 MB)
2L-Z (1.4 GB)     Info
JPG (44 MB)
MS 43-NW (1.38 GB)     Info
JPG (40 MB)
44-SW (1.38 GB)     Info
JPG (40 MB)
03/06 - 03/08 Benioff 1M-Z (1.39 GB)     Info
JPG (44 MB)
2L-Z (1.4 GB)     Info
JPG (43 MB)
MS 43-NW (1.39 GB)     Info
JPG (41 MB)
44-SW (1.38 GB)     Info
JPG (40 MB)
03/08 - 03/10 Benioff 1M-Z (1.41 GB)     Info
JPG (47 MB)
MS 44-SW (1.38 GB)     Info
JPG (39 MB)
03/10 - 03/12 Benioff 1M-Z (1.45 GB)     Info
JPG (51 MB)
2L-Z (1.44 GB)     Info
JPG (50 MB)
MS 43-NW (1.38 GB)     Info
JPG (42 MB)
44-SW (1.39 GB)     Info
JPG (41 MB)
WA 1-EW (1.39 GB)     Info
JPG (40 MB)
2-NS (1.39 GB)     Info
JPG (41 MB)
03/12 - 03/14 Benioff 1M-Z (1.43 GB)     Info
JPG (48 MB)
2L-Z (1.41 GB)     Info
JPG (45 MB)
MS 43-NW (1.4 GB)     Info
JPG (43 MB)
44-SW (1.4 GB)     Info
JPG (41 MB)
03/14 - 03/16 MS 44-SW (1.4 GB)     Info
JPG (41 MB)
03/16 - 03/18 Benioff 1M-Z (1.41 GB)     Info
JPG (47 MB)
2L-Z (1.39 GB)     Info
JPG (44 MB)
MS 43-NW (1.38 GB)     Info
JPG (42 MB)
44-SW (1.39 GB)     Info
JPG (42 MB)
03/22 - 03/24 Benioff 1M-Z (1.41 GB)     Info
JPG (51 MB)
2L-Z (1.41 GB)     Info
JPG (50 MB)
MS 43-NW (1.38 GB)     Info
JPG (45 MB)
44-SW (1.38 GB)     Info
JPG (44 MB)
03/30 - 04/01 Benioff 1M-Z (1.43 GB)     Info
JPG (50 MB)

April

Date Instrument Components
03/30 - 04/01 Benioff 1M-Z (1.43 GB)     Info
JPG (50 MB)
04/09 - 04/11 Benioff 1M-Z (1.42 GB)     Info
JPG (47 MB)
04/13 - 04/15 Benioff 1M-Z (1.42 GB)     Info
JPG (49 MB)
04/15 - 04/17 Benioff 1M-Z (1.43 GB)     Info
JPG (49 MB)
04/17 - 04/19 Benioff 1M-Z (1.43 GB)     Info
JPG (49 MB)
04/19 - 04/21 Benioff 1M-Z (1.41 GB)     Info
JPG (44 MB)
04/23 - 04/25 Benioff 1M-Z (1.42 GB)     Info
JPG (48 MB)
04/27 - 04/28 Benioff 1M-Z (1.4 GB)     Info
JPG (43 MB)

May

Date Instrument Components
05/01 - 05/04 Benioff 1M-Z (1.41 GB)     Info
JPG (48 MB)
05/04 Benioff 00:10-13:30 1M-Z (1.4 GB) Info
JPG (45 MB)
13:30-17:45 1M-Z (1.39 GB) Info
JPG (38 MB)
2L-Z (1.4 GB)     Info
JPG (42 MB)
MS 43-NW (1.38 GB)     Info
JPG (38 MB)
44-SW (1.38 GB)     Info
JPG (38 MB)
WA 1-EW (1.37 GB)     Info
JPG (36 MB)
2-NS (1.37 GB)     Info
JPG (36 MB)
05/04 - 05/06 Benioff 1M-Z (1.42 GB)     Info
JPG (50 MB)
05/06 - 05/08 Benioff 1M-Z (1.44 GB)     Info
JPG (51 MB)
MS 44-SW (1.38 GB)     Info
JPG (41 MB)
05/08 - 05/10 Benioff 1M-Z (1.41 GB)     Info
JPG (49 MB)
05/11 - 05/13 Benioff 1M-Z (1.42 GB)     Info
JPG (49 MB)
05/12 - 05/13 Benioff 2L-Z (1.41 GB)     Info
JPG (46 MB)
MS 43-NW (1.37 GB)     Info
JPG (36 MB)
44-SW (1.38 GB)     Info
JPG (40 MB)
05/13 - 05/14 Benioff 1M-Z (1.4 GB)     Info
JPG (43 MB)
2L-Z (1.39 GB)     Info
JPG (43 MB)
MS 43-NW (1.37 GB)     Info
JPG (35 MB)
44-SW (1.37 GB)     Info
JPG (39 MB)
05/14 - 05/16 Benioff 1M-Z (1.42 GB)     Info
JPG (49 MB)
2L-Z (1.43 GB)     Info
JPG (50 MB)
MS 43-NW (1.39 GB)     Info
JPG (40 MB)
44-SW (1.39 GB)     Info
JPG (41 MB)
WA 1-EW (1.38 GB)     Info
JPG (38 MB)
2-NS (1.38 GB)     Info
JPG (40 MB)
05/18 - 05/20 Benioff 1M-Z (1.4 GB)     Info
JPG (47 MB)
2L-Z (1.4 GB)     Info
JPG (48 MB)
MS 43-NW (1.37 GB)     Info
JPG (40 MB)
44-SW (1.38 GB)     Info
JPG (43 MB)
05/20 - 05/23 Benioff 1M-Z (1.41 GB)     Info
JPG (48 MB)
2L-Z (1.41 GB)     Info
JPG (49 MB)
MS 43-NW (1.38 GB)     Info
JPG (39 MB)
44-SW (1.38 GB)     Info
JPG (41 MB)
05/26 - 05/28 Benioff 1M-Z (1.41 GB)     Info
JPG (48 MB)
05/28 - 05/30 Benioff 1M-Z (1.4 GB)     Info
JPG (47 MB)
05/30 - 06/01 Benioff 1M-Z (1.41 GB)     Info
JPG (47 MB)

June

Date Instrument Components
05/30 - 06/01 Benioff 1M-Z (1.41 GB)     Info
JPG (47 MB)
06/01 - 06/03 Benioff 1M-Z (1.42 GB)     Info
JPG (49 MB)
2L-Z (1.43 GB)     Info
JPG (51 MB)
MS 43-NW (1.39 GB)     Info
JPG (39 MB)
44-SW (1.4 GB)     Info
JPG (43 MB)
06/03 - 06/05 Benioff 1M-Z (1.41 GB)     Info
JPG (46 MB)
06/07 - 06/09 Benioff 1M-Z (1.41 GB)     Info
JPG (46 MB)
2L-Z (1.42 GB)     Info
JPG (48 MB)
MS 43-NW (1.39 GB)     Info
JPG (40 MB)
44-SW (1.39 GB)     Info
JPG (41 MB)
WA 2-NS (1.39 GB)     Info
JPG (39 MB)
confusing notes/stamps on back between Benioff 2L and WA 2.
06/11 - 06/13 Benioff 1M-Z (1.42 GB)     Info
JPG (49 MB)
2L-Z (1.42 GB)     Info
JPG (48 MB)
MS 43-NW (1.37 GB)     Info
JPG (41 MB)
44-SW (1.39 GB)     Info
JPG (41 MB)
06/13 - 06/15 Benioff 1M-Z (1.41 GB)     Info
JPG (42 MB)
2L-Z (1.41 GB)     Info
JPG (44 MB)
MS 43-NW (1.39 GB)     Info
JPG (41 MB)
44-SW (1.39 GB)     Info
JPG (42 MB)
newspaper article
confusing notes/stamps on back between Benioff 2L and WA 2.
06/17 - 06/19 Benioff 1M-Z (1.4 GB)     Info
JPG (45 MB)
2L-Z (1.4 GB)     Info
JPG (45 MB)
MS 43-NW (1.38 GB)     Info
JPG (39 MB)
44-SW (1.38 GB)     Info
JPG (40 MB)
06/21 - 06/23 Benioff 1M-Z (1.41 GB)     Info
JPG (47 MB)
2L-Z (1.4 GB)     Info
JPG (46 MB)
MS 43-NW (1.37 GB)     Info
JPG (40 MB)
44-SW (1.37 GB)     Info
JPG (40 MB)
WA 1-EW (1.37 GB)     Info
JPG (37 MB)
2-NS (1.37 GB)     Info
JPG (38 MB)
06/23 - 06/25 Benioff 1M-Z (1.4 GB)     Info
JPG (44 MB)
2L-Z (1.39 GB)     Info
JPG (44 MB)
MS 43-NW (1.37 GB)     Info
JPG (39 MB)
44-SW (1.37 GB)     Info
JPG (39 MB)
06/27 - 06/29 Benioff 1M-Z (1.4 GB)     Info
JPG (47 MB)
2L-Z (1.39 GB)     Info
JPG (44 MB)
MS 43-NW (1.37 GB)     Info
JPG (41 MB)
44-SW (1.37 GB)     Info
JPG (42 MB)
WA 1-EW (1.37 GB)     Info
JPG (39 MB)
2-NS (1.37 GB)     Info
JPG (36 MB)

July

Date Instrument Components
07/03 - 07/05 Benioff 1M-Z (1.41 GB)     Info
JPG (46 MB)
07/05 - 07/07 Benioff 1M-Z (1.39 GB)     Info
JPG (47 MB)
2L-Z (1.39 GB)     Info
JPG (46 MB)
MS 43-NW (1.38 GB)     Info
JPG (43 MB)
44-SW (1.38 GB)     Info
JPG (42 MB)
WA 1-EW (1.37 GB)     Info
JPG (38 MB)
07/09 - 07/11 Benioff 2L-Z (1.38 GB)     Info
JPG (44 MB)
MS 43-NW (1.36 GB)     Info
JPG (38 MB)
44-SW (1.37 GB)     Info
JPG (40 MB)
07/11 - 07/13 Benioff 1M-Z (1.39 GB)     Info
JPG (42 MB)
07/13 Benioff 1M-Z (1.38 GB)     Info
JPG (38 MB)
07/15 - 07/17 Benioff 1M-Z (1.39 GB)     Info
JPG (45 MB)
2L-Z (1.4 GB)     Info
JPG (46 MB)
MS 43-NW (1.38 GB)     Info
JPG (39 MB)
44-SW (1.38 GB)     Info
JPG (40 MB)
07/17 - 07/19 Benioff 1M-Z (1.39 GB)     Info
JPG (43 MB)
2L-Z (1.41 GB)     Info
JPG (47 MB)
MS 43-NW (1.37 GB)     Info
JPG (38 MB)
44-SW (1.38 GB)     Info
JPG (40 MB)
WA 1-EW (1.37 GB)     Info
JPG (36 MB)
2-NS (1.37 GB)     Info
JPG (39 MB)
07/19 - 07/21 Benioff 1M-Z (1.41 GB)     Info
JPG (45 MB)
2L-Z (1.41 GB)     Info
JPG (47 MB)
MS 44-SW (1.41 GB)     Info
JPG (42 MB)
WA 1-EW (1.39 GB)     Info
JPG (38 MB)
2-NS (1.39 GB)     Info
JPG (39 MB)
07/21 - 07/23 Benioff 2L-Z (1.4 GB)     Info
JPG (46 MB)
MS 43-NW (1.39 GB)     Info
JPG (40 MB)
44-SW (1.39 GB)     Info
JPG (42 MB)
07/27 - 07/29 Benioff 1M-Z (1.4 GB)     Info
JPG (46 MB)
2L-Z (1.41 GB)     Info
JPG (48 MB)
MS 43-NW (1.39 GB)     Info
JPG (40 MB)
44-SW (1.39 GB)     Info
JPG (42 MB)
07/31 - 08/01 Benioff 1M-Z (1.4 GB)     Info
JPG (41 MB)
07/31 - 08/02 Benioff 2L-Z (1.39 GB)     Info
JPG (44 MB)
MS 43-NW (1.38 GB)     Info
JPG (41 MB)
44-SW (1.38 GB)     Info
JPG (43 MB)

August

f
Date Instrument Components
07/31 - 08/01 Benioff 1M-Z (1.4 GB)     Info
JPG (41 MB)
07/31 - 08/02 Benioff 2L-Z (1.39 GB)     Info
JPG (44 MB)
MS 43-NW (1.38 GB)     Info
JPG (41 MB)
44-SW (1.38 GB)     Info
JPG (43 MB)
08/01 - 08/02 Benioff 1M-Z (1.39 GB)     Info
JPG (39 MB)
08/02 Benioff 1M-Z (1.37 GB)     Info
JPG (35 MB)
08/06 - 08/08 Benioff 1M-Z (1.38 GB)     Info
JPG (42 MB)
2L-Z (1.38 GB)     Info
JPG (43 MB)
MS 43-NW (1.38 GB)     Info
JPG (42 MB)
44-SW (1.38 GB)     Info
JPG (43 MB)
WA 1-EW (1.37 GB)     Info
JPG (39 MB)
2-NS (1.37 GB)     Info
JPG (40 MB)
08/08 - 08/10 Benioff 1M-Z (1.38 GB)     Info
JPG (42 MB)
08/10 - 08/12 Benioff 1M-Z (1.38 GB)     Info
JPG (42 MB)
2L-Z (1.39 GB)     Info
JPG (47 MB)
MS 43-NW (1.37 GB)     Info
JPG (41 MB)
44-SW (1.38 GB)     Info
JPG (43 MB)
08/12 - 08/14 Benioff 1M-Z (1.37 GB)     Info
JPG (40 MB)
2L-Z (1.39 GB)     Info
JPG (45 MB)
MS 43-NW (1.37 GB)     Info
JPG (40 MB)
44-SW (1.37 GB)     Info
JPG (42 MB)
08/14 Benioff 1M-Z (1.38 GB)     Info
JPG (37 MB)
08/14 - 08/16 Benioff 1M-Z (1.4 GB)     Info
JPG (44 MB)
08/16 - 08/18Benioff 1M-Z (1.38 GB)     Info
JPG (41 MB)
08/18 - 08/20 Benioff 1M-Z (1.38 GB)     Info
JPG (42 MB)
2L-Z (1.39 GB)     Info
JPG (43 MB)
MS 43-NW (1.37 GB)     Info
JPG (38 MB)
44-SW (1.38 GB)     Info
JPG (40 MB)
08/22Benioff 1M-Z (1.38 GB)     Info
JPG (40 MB)
08/22 - 08/24 Benioff 2L-Z (1.38 GB)     Info
JPG (43 MB)
MS 43-NW (1.37 GB)     Info
JPG (39 MB)
44-SW (1.37 GB)     Info
JPG (41 MB)
08/24 - 08/26 Benioff 1M-Z (1.4 GB)     Info
JPG (46 MB)
2L-Z (1.38 GB)     Info
JPG (43 MB)
MS 43-NW (1.37 GB)     Info
JPG (38 MB)
44-SW (1.37 GB)     Info
JPG (40 MB)
08/26 - 08/28MS 43-NW (1.37 GB)     Info
JPG (39 MB)
44-SW (1.37 GB)     Info
JPG (39 MB)
08/27 - 08/28Benioff 1M-Z (1.37 GB)     Info
JPG (40 MB)
08/28Benioff 1M-Z (1.38 GB)     Info
JPG (41 MB)
08/30 - 08/31Benioff 1M-Z (1.4 GB)     Info
JPG (45 MB)
08/30 - 09/01MS 43-NW (1.37 GB)     Info
JPG (41 MB)
44-SW (1.38 GB)     Info
JPG (40 MB)
08/31 - 09/01Benioff 1M-Z (1.39 GB)     Info
JPG (44 MB)

September

Date Instrument Components
08/30 - 09/01MS 43-NW (1.37 GB)     Info
JPG (41 MB)
44-SW (1.38 GB)     Info
JPG (40 MB)
08/31 - 09/01Benioff 1M-Z (1.39 GB)     Info
JPG (44 MB)
09/02 - 09/03Benioff 1M-Z (1.41 GB)     Info
JPG (45 MB)
09/03 - 09/05MS 43-NW (1.38 GB)     Info
JPG (41 MB)
44-SW (1.38 GB)     Info
JPG (41 MB)
09/13 - 09/15Benioff 2L-Z (1.4 GB)     Info
JPG (40 MB)
MS 43-NW (1.38 GB)     Info
JPG (35 MB)
44-SW (1.38 GB)     Info
JPG (34 MB)
09/14 - 09/15Benioff 1M-Z (1.39 GB)     Info
JPG (39 MB)
09/18 - 09/19Benioff 1M-Z (1.41 GB)     Info
JPG (42 MB)
09/25 - 09/26Benioff 1M-Z (1.4 GB)     Info
JPG (39 MB)

October

Date Instrument Components
10/08 - 10/09Benioff 1M-Z (1.43 GB)     Info
JPG (45 MB)
10/09 - 10/10Benioff 1M-Z (1.42 GB)     Info
JPG (41 MB)
10/09 - 10/11 Benioff 2L-Z (1.43 GB)     Info
JPG (44 MB)
MS 43-NW (1.39 GB)     Info
JPG (37 MB)
44-SW (1.4 GB)     Info
JPG (40 MB)
WA 2-NS (1.39 GB)     Info
JPG (36 MB)
10/10 - 10/11Benioff 1M-Z (1.42 GB)     Info
JPG (43 MB)
10/29 - 10/30Benioff 1M-Z (1.42 GB)     Info
JPG (42 MB)

November

Date Instrument Components
11/03 - 11/04Benioff 1M-Z (1.42 GB)     Info
JPG (40 MB)
11/03 - 11/05 Benioff 2L-Z (1.44 GB)     Info
JPG (44 MB)
MS 43-NW (1.4 GB)     Info
JPG (37 MB)
44-SW (1.41 GB)     Info
JPG (44 MB)
11/05 - 11/06Benioff 1M-Z (1.41 GB)     Info
JPG (40 MB)
11/05 - 11/07 Benioff 2L-Z (1.44 GB)     Info
JPG (44 MB)
MS 43-NW (1.4 GB)     Info
JPG (39 MB)
44-SW (1.39 GB)     Info
JPG (37 MB)
WA 2-NS (1.39 GB)     Info
JPG (34 MB)
11/06 - 11/07Benioff 1M-Z (1.41 GB)     Info
JPG (41 MB)
11/17 - 11/18Benioff 1M-Z (1.43 GB)     Info
JPG (43 MB)
11/17 - 11/19 Benioff 2L-Z (1.44 GB)     Info
JPG (45 MB)
MS 43-NW (1.4 GB)     Info
JPG (39 MB)
44-SW (1.39 GB)     Info
JPG (40 MB)
11/18 - 11/19Benioff 1M-Z (1.42 GB)     Info
JPG (43 MB)
11/19 - 11/20Benioff 1M-Z (1.42 GB)     Info
JPG (42 MB)
11/25 - 11/26Benioff 1M-Z (1.43 GB)     Info
JPG (47 MB)
11/25 - 11/27 Benioff 2L-Z (1.38 GB)     Info
JPG (30 MB)
MS 43-NW (1.39 GB)     Info
JPG (38 MB)
44-SW (1.38 GB)     Info
JPG (39 MB)
WA 2-NS (1.39 GB)     Info
JPG (37 MB)
11/26 - 11/27Benioff 1M-Z (1.43 GB)     Info
JPG (45 MB)
11/29 - 11/30Benioff 1M-Z (1.43 GB)     Info
JPG (46 MB)
11/29 - 12/01 MS 43-NW (1.39 GB)     Info
JPG (39 MB)
44-SW (1.38 GB)     Info
JPG (37 MB)
WA 2-NS (1.39 GB)     Info
JPG (36 MB)

December

Date Instrument Components
11/29 - 12/01 MS 43-NW (1.39 GB)     Info
JPG (39 MB)
44-SW (1.38 GB)     Info
JPG (37 MB)
WA 2-NS (1.39 GB)     Info
JPG (36 MB)
12/01 - 12/02Benioff 1M-Z (1.45 GB)     Info
JPG (45 MB)
12/01 - 12/03Benioff 1M-Z (1.44 GB)     Info
JPG (44 MB)
2L-Z (1.45 GB)     Info
JPG (49 MB)
MS 43-NW (1.4 GB)     Info
JPG (39 MB)
44-SW (1.4 GB)     Info
JPG (38 MB)
WA 2-NS (1.39 GB)     Info
JPG (38 MB)
12/03 - 12/04Benioff 1M-Z (1.43 GB)     Info
JPG (43 MB)
12/03 - 12/05 Benioff 2L-Z (1.44 GB)     Info
JPG (44 MB)
MS 43-NW (1.39 GB)     Info
JPG (37 MB)
44-SW (1.39 GB)     Info
JPG (36 MB)
WA 2-NS (1.38 GB)     Info
JPG (34 MB)
12/04 - 12/05Benioff 1M-Z (1.45 GB)     Info
JPG (46 MB)
12/07 - 12/09 MS 43-NW (1.4 GB)     Info
JPG (39 MB)
44-SW (1.39 GB)     Info
JPG (39 MB)
12/08 - 12/09Benioff 1M-Z (1.44 GB)     Info
JPG (45 MB)
12/13 - 12/14Benioff 1M-Z (1.44 GB)     Info
JPG (46 MB)
12/13 - 12/15 Benioff 2L-Z (1.46 GB)     Info
JPG (48 MB)
MS 43-NW (1.39 GB)     Info
JPG (40 MB)
44-SW (1.39 GB)     Info
JPG (38 MB)
WA 2-NS (1.38 GB)     Info
JPG (35 MB)
12/21 - 12/22Benioff 1M-Z (1.43 GB)     Info
JPG (44 MB)
12/21 - 12/23 Benioff 2L-Z (1.47 GB)     Info
JPG (49 MB)
MS 43-NW (1.41 GB)     Info
JPG (39 MB)
44-SW (1.41 GB)     Info
JPG (40 MB)
12/22 - 12/23Benioff 1M-Z (1.45 GB)     Info
JPG (45 MB)
12/23 - 12/24Benioff 1M-Z (1.45 GB)     Info
JPG (46 MB)
12/23 - 12/25 Benioff 2L-Z (1.46 GB)     Info
JPG (47 MB)
MS 43-NW (1.4 GB)     Info
JPG (39 MB)
44-SW (1.41 GB)     Info
JPG (39 MB)
12/29 - 12/30Benioff 1M-Z (1.48 GB)     Info
JPG (51 MB)
12/29 - 12/31 Benioff 2L-Z (1.52 GB)     Info
JPG (55 MB)
MS 43-NW (1.42 GB)     Info
JPG (44 MB)
44-SW (1.41 GB)     Info
JPG (42 MB)
WA 2-NS (1.39 GB)     Info
JPG (38 MB)
12/30 - 12/31Benioff 1M-Z (1.46 GB)     Info
JPG (48 MB)
12/31 - 01/01Benioff 1M-Z (1.45 GB)     Info
JPG (47 MB)
12/31 - 01/02 Benioff 2L-Z (1.53 GB)     Info
JPG (56 MB)
MS 43-NW (1.42 GB)     Info
JPG (42 MB)
44-SW (1.41 GB)     Info
JPG (42 MB)
WA 2-NS (1.4 GB)     Info
JPG (38 MB)

Date
Dates are given as "m1/d1 - m2/d2" where m1 is the starting month, d1 is the starting day, m2 is the ending month, and d2 is the ending day. For the exact time of the start and end of the record, download the information (back side of seismogram) file that accompanies each seismogram file.

Instrument
The instrument types are Benioff, Milne-Shaw (MS), and Wood-Anderson (WA).

Components
The components are "Z" for vertical, "NW" or "SE" for northwest-southeast, "SW" or "NE" for northeast-southwest, "EW" for east-west, and "NS" for north-south.
Original Images: The link with each component, e.g., Z, allows the original TIFF image of the seismic recording to be downloaded (1200 dpi in colour for front, 400 dpi in grey for back). Note that the size of the file given in brackets can be large and may take a while to download. The image of the back side of each recording (often showing more detailed information about the recording such as the start and end times) can be obtained from the "Info" link. The information files are typically 60 MB.
Reduced Images: The link to "JPG" provides the front-side images that have been converted to JPEG format with some flattening applied. The file sizes are much smaller, and these should be used for initial input for DigitSeis.


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Department of Earth and Planetary Sciences / Harvard University / 20 Oxford Street / Cambridge / MA 02138 / U.S.A. / Telephone: +1 617 495 2350 / Fax: +1 617 496 1907 / Email: reilly@eps.hartvard.edu