Maryland Geological Survey Maryland Seismic Network
 Global Seismic Event Archive contact: Jim Reger (jreger@mgs.md.gov)
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  Earthquakes around the world detected in Maryland
     Here are some notable, recent, globally significant events recorded by the Soldiers Delight seismometer.
     Helicorder Help is a guide to interpreting these helicorder records. For recent locally significant event in the Maryland region, see the Local Event page.
The seismometer used to detect seismic data is located in central Maryland
Date Event/Magnitude
(Click link for details)		 Soldiers Delight Helicorder Record
(click on image to view original)
December 26, 2004 250 km (155 miles) SSE of Banda Aceh, Sumatra, Indonesia, M9.0, with many aftershocks.  One of the worst natural disasters in recorded history.
April 26, 2002

30 miles (50 km) SW of AGANA, Guam, in the Mariana Islands
/ (M7.2)

Detected a Soldiers Delight:
04/26/2002, 11:52 EST
April 20, 2002

15 miles (25 km) SW of
Plattsburgh, New York
/ (M5.0)

Detected a Soldiers Delight:
04/20/2002, 06:52 EST
March 25, 2002
3:25 UTC

105 miles north of Kabul in the Hindu Hush mountains, Afghanistan
/ (M 7.4)

Detected a Soldiers Delight:
03/25/2002, 26:25 EST

November 14, 2001
09:26 UTC

Quighai-Xinjiang border, western China
/ (Mw 7.7)

Detected a Soldiers Delight:
11/14/2001, 4:43 EST
October 31, 2001 07:56 UTC

Anza, Southern California, USA
/ (Mw 4.7)

Detected a Soldiers Delight:
10/31/2001, 4:46 EST
October 19, 2001 03:28 UTC

Banda Sea, Indonesia
/ (M7.4)

Detected a Soldiers Delight:
10/19/2001, 22:48 EST

October 12, 2001
15:02 UTC

South of Mariana Islands, Western Pacific Ocean
/ (Mw 7.0)

Detected a Soldiers Delight:
10/12/2001, 10:18 EST
October 11, 2001
05:02 UTC

Charlotte Islands, British Columbia, Canada
/ (Mw 6.2)

Detected a Soldiers Delight:
10/12/2001, 00:16 EST
September 11, 2001 Terrorist attacks on the Pentagon, the World Trade Center, and Flight 93 (various magnitudes)

Seismic record of 9-11 terrorist attacks

Click here to view the Adobe Acrobat PDF document
"Seismic Observations during September 11, 2001, Terrorist Attack"
by Won-Young Kim (LDEO) and Gerald R. Baum (MGS)
updated 12/12/06
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