HRV Seismogram Archival Project: Scanned Images (1936)

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

1935 Back to List of Years 1937

s0843_1936_0712_0714_lp_ns_f_small.jpg

January

Date Instrument Components
01/01 - 01/02 SP Z (1.41 GB)     Info NS (1.41 GB)     Info EW (1.42 GB)     Info
LP Z&EW (1.45 GB)     Info     Z&EW (1.45 GB)     Info
01/02 - 01/03 SP Z (1.42 GB)     Info NS (1.4 GB)     Info EW (1.42 GB)     Info
LP Z&EW (1.43 GB)     Info     Z&EW (1.43 GB)     Info
01/02 - 01/04 LP NS (1.44 GB)     Info
01/03 - 01/04 SP Z (1.45 GB)     Info NS (1.44 GB)     Info EW (1.44 GB)     Info
01/04 - 01/05 SP Z (1.43 GB)     Info NS (1.41 GB)     Info EW (1.42 GB)     Info
01/05 - 01/06 SP Z (1.45 GB)     Info NS (1.42 GB)     Info EW (1.43 GB)     Info
01/06 - 01/07 SP Z (1.41 GB)     Info NS (1.41 GB)     Info EW (1.41 GB)     Info
01/07 - 01/08 SP Z (1.42 GB)     Info NS (1.42 GB)     Info EW (1.43 GB)     Info
01/08 MS EW (719.1 MB)     Info
"test" written on back, start time not clear
01/08 - 01/09 SP Z (1.42 GB)     Info NS (1.41 GB)     Info EW (1.41 GB)     Info
WA EW (711.5 MB)     Info
"timing lines go up on sheet", drawing on back
01/09 - 01/10 SP Z (1.44 GB)     Info NS (1.44 GB)     Info EW (1.43 GB)     Info
MS EW (707.3 MB)     Info
01/10 - 01/11 SP Z (1.47 GB)     Info NS (1.42 GB)     Info EW (1.44 GB)     Info
MS EW (718.5 MB)     Info
LP Z&EW (1.5 GB)     Info     Z&EW (1.5 GB)     Info
01/10 - 01/12 LP NS (1.46 GB)     Info
01/11 - 01/12 SP Z (1.42 GB)     Info NS (1.41 GB)     Info EW (1.42 GB)     Info
MS EW (711.3 MB)     Info
"adjusted damping on next sheet"
01/12 - 01/13 SP Z (1.44 GB)     Info NS (1.43 GB)     Info EW (1.43 GB)     Info
MS EW (707.5 MB)     Info
01/13 - 01/14 SP Z (1.46 GB)     Info NS (1.43 GB)     Info EW (1.43 GB)     Info
MS EW (703.3 MB)     Info<
LP Z&EW (1.46 GB)     Info     Z&EW (1.46 GB)     Info
01/14 - 01/15 SP Z (1.45 GB)     Info NS (1.42 GB)     Info EW (1.44 GB)     Info
MS EW (710.5 MB)     Info
LP Z&EW (1.46 GB)     Info     Z&EW (1.46 GB)     Info
01/14 - 01/16 LP NS (1.45 GB)     Info
01/16 - 01/18 LP NS (1.45 GB)     Info
01/17 - 01/18 SP Z (1.44 GB)     Info NS (1.42 GB)     Info EW (1.42 GB)     Info
MS EW (705.6 MB)     Info
LP Z&EW (1.45 GB)     Info     Z&EW (1.45 GB)     Info
01/19 - 01/20 SP Z (1.52 GB)     Info NS (1.46 GB)     Info EW (1.46 GB)     Info
01/20 - 01/21 SP Z (1.48 GB)     Info NS (1.45 GB)     Info EW (1.45 GB)     Info
MS EW (711.5 MB)     Info
01/21 - 01/22 SP Z (1.43 GB)     Info NS (1.42 GB)     Info EW (1.42 GB)     Info
MS EW (713.5 MB)     Info
LP Z&EW (1.46 GB)     Info     Z&EW (1.46 GB)     Info
01/22 - 01/23 MS EW (706.4 MB)     Info
LP Z&EW (1.42 GB)     Info     Z&EW (1.42 GB)     Info
01/22 - 01/24 LP NS (1.43 GB)     Info
01/27 - 01/28 MS EW (708.2 MB)     Info
01/28 - 01/29 SP Z (1.45 GB)     Info NS (1.45 GB)     Info EW (1.46 GB)     Info
MS EW (717.7 MB)     Info
01/30 - 01/31 SP Z (1.42 GB)     Info NS (1.42 GB)     Info EW (1.42 GB)     Info
MS EW (711.4 MB)     Info
no instrument/component information on back - assigned MS EW from unusual dimensions
LP Z&EW (1.46 GB)     Info     Z&EW (1.46 GB)     Info
01/30 - 02/01 LP NS (1.45 GB)     Info

February

Date Instrument Components
01/30 - 02/01 LP NS (1.45 GB)     Info
02/06 - 02/07 LP Z&EW (1.43 GB)     Info     Z&EW (1.43 GB)     Info
02/09 - 02/10 MS EW (702.4 MB)     Info
02/10 - 02/11 MS EW (701 MB)     Info
02/11 - 02/12 SP Z (1.43 GB)     Info NS (1.43 GB)     Info EW (1.42 GB)     Info
02/14 - 02/15 SP Z (1.48 GB)     Info NS (1.46 GB)     Info EW (1.44 GB)     Info
LP Z&EW (1.49 GB)     Info     Z&EW (1.49 GB)     Info
02/14 - 02/16 LP NS (1.51 GB)     Info
02/15 - 02/16 SP Z (1.43 GB)     Info NS (1.42 GB)     Info EW (1.43 GB)     Info
LP Z&EW (1.48 GB)     Info     Z&EW (1.48 GB)     Info
02/16 - 02/17 MS EW (701.1 MB)     Info
"MS removed from service at 14h Wed Feb 12"
02/19 - 02/21 LP NS (1.44 GB)     Info
02/20 - 02/21 SP Z (1.41 GB)     Info NS (1.41 GB)     Info EW (1.41 GB)     Info
LP Z&EW (1.42 GB)     Info     Z&EW (1.42 GB)     Info
02/21 - 02/22 SP Z (1.42 GB)     Info EW (1.42 GB)     Info
LP Z&EW (1.43 GB)     Info     Z&EW (1.43 GB)     Info
02/25 - 02/27 LP NS (1.4 GB)     Info
02/26 - 02/27 SP Z (1.42 GB)     Info NS (1.42 GB)     Info EW (1.4 GB)     Info
LP Z&EW (1.4 GB)     Info     Z&EW (1.4 GB)     Info
02/29 - 03/02 LP NS (1.4 GB)     Info

March

Date Instrument Components
02/29 - 03/02 LP NS (1.4 GB)     Info
03/01 - 03/02 SP Z (1.41 GB)     Info NS (1.39 GB)     Info EW (1.4 GB)     Info
LP Z&EW (1.41 GB)     Info     Z&EW (1.41 GB)     Info
03/24 - 03/25 SP Z (1.38 GB)     Info NS (1.38 GB)     Info EW (1.38 GB)     Info
LP Z&EW (1.38 GB)     Info     NS (1.38 GB)     InfoZ&EW (1.38 GB)     Info
03/25 - 03/26 SP Z (1.39 GB)     Info
03/28 - 03/29 SP Z (1.44 GB)     Info NS (1.4 GB)     Info EW (1.39 GB)     Info
03/31 - 04/01 SP Z (1.43 GB)     Info NS (1.43 GB)     Info EW (1.41 GB)     Info
LP Z&EW (1.4 GB)     Info     NS (1.37 GB)     InfoZ&EW (1.4 GB)     Info

April

Date Instrument Components
03/31 - 04/01 SP Z (1.43 GB)     Info NS (1.43 GB)     Info EW (1.41 GB)     Info
LP Z&EW (1.4 GB)     Info     NS (1.37 GB)     InfoZ&EW (1.4 GB)     Info
04/09 SP Z (1.52 GB)     Info NS (1.48 GB)     Info EW (1.51 GB)     Info
04/12 - 04/13 SP Z (1.44 GB)     Info NS (1.44 GB)     Info EW (1.42 GB)     Info
04/13 - 04/14 SP Z (1.42 GB)     Info NS (1.44 GB)     Info EW (1.42 GB)     Info
a note stapled on back with information about an explosion in Plainville at 14:25(?), 5100 lb
LP Z&EW (1.4 GB)     Info     Z&EW (1.4 GB)     Info
04/13 - 04/15 LP NS (1.41 GB)     Info
04/14 - 04/15 SP Z (1.41 GB)     Info NS (1.42 GB)     Info EW (1.41 GB)     Info
04/15 - 04/16 SP Z (1.44 GB)     Info NS (1.44 GB)     Info EW (1.42 GB)     Info
04/16 - 04/17 SP Z (1.43 GB)     Info NS (1.43 GB)     Info EW (1.42 GB)     Info
04/17 - 04/19 LP NS (1.41 GB)     Info
04/18 SP Z (1.4 GB)     Info NS (1.4 GB)     Info EW (1.4 GB)     Info
04/18 - 04/19 SP Z (1.41 GB)     Info NS (1.42 GB)     Info EW (1.4 GB)     Info
LP Z&EW (1.4 GB)     Info     Z&EW (1.4 GB)     Info
04/20 - 04/21 SP Z (1.41 GB)     Info NS (1.41 GB)     Info EW (1.4 GB)     Info
04/23 - 04/24 SP Z (1.41 GB)     Info NS (1.41 GB)     Info EW (1.4 GB)     Info
LP Z&EW (1.39 GB)     Info     Z&EW (1.39 GB)     Info
04/23 - 04/25 LP NS (1.39 GB)     Info
04/25 - 04/26 SP Z (1.42 GB)     Info NS (1.42 GB)     Info EW (1.41 GB)     Info
component not clear, looks as if Z but Z trace exists. white bar on wrong side but top consistent
04/27 - 04/28 SP Z (1.42 GB)     Info NS (1.41 GB)     Info EW (1.4 GB)     Info
04/28 - 04/29 SP Z (1.4 GB)     Info NS (1.41 GB)     Info EW (1.39 GB)     Info
04/29 - 04/30 SP Z (1.4 GB)     Info NS (1.41 GB)     Info EW (1.39 GB)     Info
LP Z&EW (1.37 GB)     Info     Z&EW (1.37 GB)     Info
04/29 - 05/01 LP NS (1.38 GB)     Info

May

Date Instrument Components
04/29 - 05/01 LP NS (1.38 GB)     Info
05/05 SP Z (1.38 GB)     Info NS (1.39 GB)     Info EW (1.38 GB)     Info
05/06 - 05/07 SP NS (1.4 GB)     Info EW (1.4 GB)     Info
05/07 - 05/08 SP Z (1.44 GB)     Info NS (1.42 GB)     Info EW (1.42 GB)     Info
LP Z&EW (1.4 GB)     Info     Z&EW (1.4 GB)     Info
05/07 - 05/09 LP NS (1.4 GB)     Info
05/08 - 05/09 SP Z (1.45 GB)     Info NS (1.42 GB)     Info EW (1.42 GB)     Info
05/09 - 05/11 LP NS (1.4 GB)     Info
05/10 - 05/11 SP Z (1.45 GB)     Info
instrument/component area on back blackened and removed. assigned SP Z from trace appearance and availability of SP EW & NS
NS (1.42 GB)     Info EW (1.42 GB)     Info
LP Z&EW (1.41 GB)     Info     Z&EW (1.41 GB)     Info
05/11 - 05/12 SP Z (1.42 GB)     Info NS (1.42 GB)     Info EW (1.4 GB)     Info
05/14 - 05/15 SP Z (1.44 GB)     Info NS (1.42 GB)     Info EW (1.41 GB)     Info
05/15 - 05/16 SP Z (1.45 GB)     Info NS (1.44 GB)     Info EW (1.43 GB)     Info
LP Z&EW (1.4 GB)     Info     Z&EW (1.4 GB)     Info
05/15 - 05/17 LP NS (1.4 GB)     Info
05/18 - 05/19 SP Z (1.43 GB)     Info NS (1.41 GB)     Info EW (1.41 GB)     Info
LP Z&EW (1.39 GB)     Info     Z&EW (1.39 GB)     Info
05/19 - 05/20 SP Z (1.46 GB)     Info NS (1.45 GB)     Info EW (1.44 GB)     Info
LP Z&EW (1.41 GB)     InfoNS (1.4 GB)     InfoZ&EW (1.41 GB)     Info
05/22 - 05/23 SP Z (1.43 GB)     Info NS (1.42 GB)     Info EW (1.41 GB)     Info
05/24 - 05/25 SP Z (1.42 GB)     Info NS (1.42 GB)     Info EW (1.42 GB)     Info
05/25 - 05/27 LP NS (1.4 GB)     Info
05/26 - 05/27 SP Z (1.42 GB)     Info NS (1.41 GB)     Info EW (1.41 GB)     Info
LP Z&EW (1.4 GB)     Info     Z&EW (1.4 GB)     Info
05/27 - 05/28 SP Z (1.43 GB)     Info
LP Z&EW (1.39 GB)     Info     Z&EW (1.39 GB)     Info
05/27 - 05/29 LP NS (1.4 GB)     Info

June

Date Instrument Components
06/02 - 06/03 SP Z (1.41 GB)     Info NS (1.38 GB)     Info EW (1.39 GB)     Info
LP Z&EW (1.38 GB)     Info     Z&EW (1.38 GB)     Info
06/02 - 06/04 LP NS (1.38 GB)     Info
06/06 - 06/07 SP Z (1.39 GB)     Info NS (1.39 GB)     Info EW (1.38 GB)     Info
06/08 - 06/09 SP Z (1.38 GB)     Info NS (1.4 GB)     Info EW (1.39 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
06/08 - 06/10 LP NS (1.37 GB)     Info
06/09 - 06/10 SP Z (1.39 GB)     Info NS (1.37 GB)     Info EW (1.37 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
06/10 - 06/11 SP Z (1.38 GB)     Info NS (1.4 GB)     Info EW (1.38 GB)     Info
LP Z&EW (1.37 GB)     Info Z&EW (1.37 GB)     Info
06/10 - 06/12 LP NS (1.37 GB)     Info
06/12 - 06/13 SP Z (1.38 GB)     Info NS (1.4 GB)     Info EW (1.39 GB)     Info
06/13 - 06/14 SP Z (1.38 GB)     Info NS (1.4 GB)     Info EW (1.39 GB)     Info
06/14 - 06/15 SP EW (1.4 GB)     Info
06/15 - 06/16 SP Z (1.39 GB)     Info NS (1.41 GB)     Info EW (1.4 GB)     Info
06/19 - 06/20 SP Z (1.4 GB)     Info NS (1.41 GB)     Info EW (1.39 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
06/21 - 06/22 SP Z (1.4 GB)     Info NS (1.4 GB)     Info EW (1.39 GB)     Info
06/28 - 06/30 LP NS (1.38 GB)     Info
06/29 - 06/30 SP Z (1.41 GB)     Info NS (1.41 GB)     Info EW (1.4 GB)     Info
LP Z&EW (1.39 GB)     Info Z&EW (1.39 GB)     Info

July

Date Instrument Components
07/03 - 07/04 SP Z (1.39 GB)     Info NS (1.39 GB)     Info EW (1.39 GB)     Info
07/04 - 07/05 LP Z&EW (1.39 GB)     Info Z&EW (1.39 GB)     Info
07/04 - 07/06 LP NS (1.38 GB)     Info
07/05 - 07/06 LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
07/10 - 07/11 SP Z (1.39 GB)     Info NS (1.4 GB)     Info EW (1.4 GB)     Info
07/12 - 07/13 SP Z (1.39 GB)     Info NS (1.41 GB)     Info EW (1.4 GB)     Info
LP Z&EW (1.4 GB)     Info Z&EW (1.4 GB)     Info
07/12 - 07/14 LP NS (1.38 GB)     Info
07/14 - 07/16 LP NS (1.38 GB)     Info
07/15 - 07/16 SP Z (1.38 GB)     Info NS (1.39 GB)     Info EW (1.39 GB)     Info
LP Z&EW (1.37 GB)     Info Z&EW (1.37 GB)     Info
07/19 - 07/20 SP Z (1.37 GB)     Info NS (1.37 GB)     Info EW (1.37 GB)     Info
07/24 - 07/26 LP NS (1.38 GB)     Info
07/25 - 07/26 SP Z (1.4 GB)     Info NS (1.4 GB)     Info EW (1.4 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
07/27 - 07/28 SP Z (1.38 GB)     Info NS (1.41 GB)     Info EW (1.39 GB)     Info
07/30 - 07/31 SP NS (1.39 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
07/30 - 08/01 LP NS (1.37 GB)     Info
07/31 SP Z (1.37 GB)     Info NS (1.37 GB)     Info EW (1.37 GB)     Info
07/31 - 08/01 SP Z (1.37 GB)     Info NS (1.4 GB)     Info EW (1.38 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info

August

Date Instrument Components
08/11 - 08/12 SP Z (1.38 GB)     Info NS (1.39 GB)     Info EW (1.38 GB)     Info
08/12 - 08/13 SP Z (1.39 GB)     Info NS (1.4 GB)     Info EW (1.38 GB)     Info
08/13 - 08/14 SP NS (1.4 GB)     Info EW (1.4 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
08/17 - 08/18 SP Z (1.41 GB)     Info NS (1.41 GB)     Info EW (1.4 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
08/17 - 08/19 LP NS (1.37 GB)     Info
08/19 - 08/20 SP Z (1.39 GB)     Info NS (1.4 GB)     Info EW (1.39 GB)     Info
08/21 - 08/22 SP Z (1.39 GB)     Info NS (1.4 GB)     Info EW (1.39 GB)     Info
LP Z&EW (1.37 GB)     Info Z&EW (1.37 GB)     Info
08/21 - 08/23 LP NS (1.37 GB)     Info
08/23 - 08/24 SP Z (1.38 GB)     Info NS (1.39 GB)     Info EW (1.38 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
08/23 - 08/25 LP NS (1.37 GB)     Info
08/26 - 08/27 SP Z (1.42 GB)     Info NS (1.41 GB)     Info EW (1.39 GB)     Info
08/28 - 08/29 SP Z (1.41 GB)     Info NS (1.4 GB)     Info EW (1.39 GB)     Info

September

Date Instrument Components
09/02 - 09/03 SP Z (1.4 GB)     Info NS (1.41 GB)     Info EW (1.39 GB)     Info
09/03 - 09/04 SP Z (1.42 GB)     Info NS (1.41 GB)     Info EW (1.41 GB)     Info
09/04 - 09/05 SP Z (1.39 GB)     Info NS (1.41 GB)     Info EW (1.4 GB)     Info
09/08 - 09/10 SP Z (1.4 GB)     Info
09/09 - 09/10 SP Z (1.39 GB)     Info NS (1.41 GB)     Info EW (1.4 GB)     Info
09/10 - 09/11 SP Z (1.39 GB)     Info NS (1.39 GB)     Info EW (1.39 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
09/10 - 09/12 LP NS (1.39 GB)     Info
09/11 - 09/12 SP Z (1.39 GB)     Info NS (1.41 GB)     Info EW (1.4 GB)     Info
09/16 - 09/17 SP Z (1.41 GB)     Info NS (1.4 GB)     Info EW (1.41 GB)     Info
09/17 SP Z (1.37 GB)     Info NS (1.37 GB)     Info EW (1.37 GB)     Info
09/18 - 09/19 SP Z (1.49 GB)     Info NS (1.45 GB)     Info EW (1.43 GB)     Info
LP Z&EW (1.43 GB)     Info Z&EW (1.43 GB)     Info
09/18 - 09/20 LP NS (1.42 GB)     Info
09/19 - 09/20 SP Z (1.43 GB)     Info NS (1.41 GB)     Info EW (1.42 GB)     Info
LP Z&EW (1.43 GB)     Info Z&EW (1.43 GB)     Info
09/20 - 09/22 LP NS (1.37 GB)     Info
09/21 - 09/22 SP Z (1.41 GB)     Info NS (1.4 GB)     Info EW (1.39 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
09/22 - 09/23 SP Z (1.4 GB)     Info NS (1.39 GB)     Info EW (1.38 GB)     Info
09/24 - 09/25 SP Z (1.43 GB)     Info NS (1.41 GB)     Info EW (1.4 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
09/24 - 09/26 LP NS (1.38 GB)     Info

October

Date Instrument Components
10/04 - 10/05 SP Z (1.41 GB)     Info NS (1.4 GB)     Info EW (1.39 GB)     Info
LP Z&EW (1.38 GB)     Info Z&EW (1.38 GB)     Info
10/04 - 10/06 LP NS (1.38 GB)     Info
10/13 - 10/14 SP Z (1.42 GB)     Info NS (1.4 GB)     Info EW (1.41 GB)     Info
10/15 - 10/16 SP Z (1.42 GB)     Info NS (1.4 GB)     Info EW (1.39 GB)     Info
LP Z&EW (1.39 GB)     Info Z&EW (1.39 GB)     Info
10/15 - 10/17 LP NS (1.38 GB)     Info
10/17 - 10/19 LP NS (1.4 GB)     Info
10/18 - 10/19 SP Z (1.46 GB)     Info NS (1.4 GB)     Info EW (1.41 GB)     Info
LP Z&EW (1.41 GB)     Info Z&EW (1.41 GB)     Info
10/21 - 10/22 SP Z (1.43 GB)     Info NS (1.4 GB)     Info
10/21 - 10/23 LP NS (1.39 GB)     Info
10/22 - 10/23 SP Z (1.45 GB)     Info NS (1.41 GB)     Info EW (1.41 GB)     Info
LP Z&EW (1.42 GB)     Info Z&EW (1.42 GB)     Info
10/24 - 10/25 SP Z (1.48 GB)     Info NS (1.42 GB)     Info EW (1.43 GB)     Info
LP Z&EW (1.42 GB)     Info Z&EW (1.42 GB)     Info
10/27 - 10/29 LP NS (1.42 GB)     Info
10/28 - 10/29 SP Z (1.44 GB)     Info NS (1.41 GB)     Info EW (1.41 GB)     Info
LP Z&EW (1.43 GB)     Info Z&EW (1.43 GB)     Info

November

Date Instrument Components
11/02 - 11/03 SP Z (1.46 GB)     Info NS (1.42 GB)     Info EW (1.43 GB)     Info
LP Z&EW (1.43 GB)     InfoNS (1.42 GB)     Info Z&EW (1.43 GB)     Info

December

Date Instrument Components

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.
Typically, each recording covers about one day except for some single-component long-period recordings that cover two days.

Instrument
The instrument type is either "SP" for short-period recording and "LP" for long-period recording.

Components
The components are "Z" for vertical, "NS" for north-south, and "EW" for east-west. "Z&EW" indicates that this trace contains both Z and EW components.
The link with each component, e.g., Z, allows the image of the seismic recording to be downloaded. Note that the size of the file given in brackets can be large and may take a while to download completely. 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 90 MB.
The image files are in TIF format (.tif).


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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