Germantown Quake Largest Ever Recorded in D.C.
More, Stronger Quakes Could Strike the Atlantic Seaboard
The quake epicentered at 39.167°N, 77.252°W, in Germantown neighborhood, about 20 miles NW of Washington DC, and struck at a depth of about 5km on Friday, July 16, 2010 at 09:04:47 UTC, USGS/EHP reported.
- Magnitude 3.6
- Friday, July 16, 2010 at 09:04:47 UTC
- Friday, July 16, 2010 at 05:04:47 AM at epicenter
- Location 39.167°N, 77.252°W
- Depth 5 km (3.1 miles) set by location program
- Region POTOMAC-SHENANDOAH REGION
- 15 km (10 miles) NW of Rockville, Maryland
- 30 km (15 miles) ENE of Leesburg, Virginia
- 35 km (20 miles) NW of WASHINGTON, D.C.
- 70 km (45 miles) WNW of ANNAPOLIS, Maryland
- Location: Uncertainty horizontal +/- 13.3 km (8.3 miles); depth fixed by location program
- Parameters: NST= 15, Nph= 15, Dmin=44.7 km, Rmss=1.49 sec, Gp=133°, M-type=”Nuttli” surface wave magnitude (mbLg), Version=6
- Source: USGS NEIC (WDCS-D)
- Event ID: us2010yua6
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