Acoustics Monitoring Program: Autonomous hydrophone deployment information

Deep Ocean Seismicity from Hydroacoustic Monitoring

Autonomous Hydrophone Deployment Information

Ship operations and upcoming deployment information can be found here.
Hydrophone model information can be found here.

General seismicity information:

East Pacific Rise (EPR) Hydrophone Information:

Season (click for map)	Deploy #	Model	Rate/ Low-Pass (Hz)/byte	Total Epicenters	Dates (Julian Days)	Comments
2002-04	11	2	250/110/2(16)
2001-02	10	3	250/110/2(12)	n/a	326/2001-	To be processed, 7 phones.
2000-01	9	3	250/110/2(12)	.7500+	315/2000-326/2001	All hydrophones serviced, data still being processed
1999-2000	8	3	250/120/1	5055	316/1999-300/2000	Hydrophone at 8N 110W did not log; 8S 95W noisy
Summer 1999	7	1	100/40/1	7807	127/1999-316/1999	8N 095W hydrophone lost
Winter 98/99	6	1	100/40/1	4541	311/1998-126/1999	8S 110W phone still unrecovered
Summer 1998	5	1	100/40/1	6933	049/1998-299/1998	8S 110W phone unrecoverable
Winter 97/98	4	1	100/40/1	3074	294/1997-049/1998	8N 95W phone failed
Summer 1997	3	1	100/40/1	7700	039/1997-286/1997	All hydrophones logged data
Winter 96/97	2	1	100/40/1	2923	280/1996-038/1997	All hydrophones logged data
Summer 1996	1	1	100/40/1	5688	140/1996-280/1996	Hydrophone 0N 95W did not log data

Central North Atlantic Hydrophone Information:

Season (click for map)	Deploy #	Model	Rate/ Low-Pass (Hz)/byte	Total Epicenters	Dates (Julian Days)	Comments
	5	3	250/110/2(16)
2002-03	4	2/3	112/50/1	.	074/2002-110/2003	R/V Ewing, April 2003
2001-02	3	2	112/50/1	n/a	068/2001-074/2000	4 recovered 2/02; 2 to be recovered 8/02,
2000-01	2	2	112/50/1	4042	057/2000-068/2001	All hydrophones logged
1999-2000	1	2	112/50/1	2903	052/1999-056/2000	All hydrophones logged

Northern North Atlantic Hydrophone Information:

Season (click for map)	Deploy #	Model	Rate/ Low-Pass (Hz)/byte	Total Epicenters	Dates (Julian Days)	Comments
2002	1	3	250/110/2(12)	n/a	n/a	Six hydrophones deployed

Marianas Hydrophone Information:

Season (click for map)	Deploy #	Model	Rate/ Low-Pass (Hz)/byte	Total Epicenters	Dates (Julian Days)	Comments
2003	1	3	250/110/2(16)	n/a	n/a	5 hydrophones deployed 3/03

Gulf of Alaska Hydrophone Information:

Season (click for map)	Deploy #	Model	Rate/ Low-Pass (Hz)/byte	Total Epicenters	Dates (Julian Days)	Comments
2002	3	3	1000/440/1	n/a	207/2001-178/2002	3 of 5 phones recovered
2001	2	3	1000/440/1	n/a	143/2000-207/2001	All 5 hydrophones logged
2000	1	3	1000/440/1	n/a	293/1999-143/2000	All hydrophones logged

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	Last Updated: 7/17/02 Address inquiries to: Robert Dziak - Seismologist - robert.p.dziak@noaa.gov