MID ATLANTIC RIDGE RECENT QUAKES

5.9 Mw - CENTRAL MID-ATLANTIC RIDGE
Preliminary Earthquake Report
Magnitude
5.9 Mw
Date-Time
11 Aug 2008 23:38:39 UTC
11 Aug 2008 22:38:39 near epicenter
11 Aug 2008 17:38:39 standard time in your timezone
Location
0.794S 21.840W
Depth
10 km
Distances
1403 km (872 miles) SW (223 degrees) of FREETOWN, Sierra Leone
Location Uncertainty
Horizontal: 11.8 km; Vertical
Parameters
Nph = 135; Dmin = 999.9 km; Rmss = 1.20 seconds; Gp = 90°M-type = Mw; Version = 7
Event ID
US 2008vpb8 ***This event has been revised.

3.8 Mcd - NORTH ATLANTIC OCEAN
Preliminary Earthquake Report
Magnitude
3.8 Mcd
Date-Time
6 Aug 2008 00:56:06 UTC
5 Aug 2008 20:56:06 near epicenter
5 Aug 2008 18:56:06 standard time in your timezone
Location
19.448N 68.908W
Depth
111 km
Distances
52 km (32 miles) ENE (59 degrees) of Samaná, Samaná, Dominican Republic
77 km (48 miles) N (10 degrees) of El Seybo, El Seybo, Dominican Republic
84 km (52 miles) NNE (26 degrees) of Hato Mayor, Hato Mayor, Dominican Republic
113 km (70 miles) N (3 degrees) of La Romana, La Romana, Dominican Republic
152 km (94 miles) NE (46 degrees) of SANTO DOMINGO, Dominican Republic
Location Uncertainty
Horizontal: 4.7 km; Vertical 2.5 km
Parameters
Nph = 7; Dmin = 47.9 km; Rmss = 0.20 seconds; Gp = 237°M-type = Mcd; Version = 1
Event ID
PR p0821901

3.7 Mcd - NORTH ATLANTIC OCEAN
Preliminary Earthquake Report
Magnitude
3.7 Mcd
Date-Time
1 Aug 2008 10:41:24 UTC
1 Aug 2008 06:41:24 near epicenter
1 Aug 2008 04:41:24 standard time in your timezone
Location
19.218N 68.697W
Depth
124 km
Distances
62 km (38 miles) NE (36 degrees) of El Seybo, El Seybo, Dominican Republic
66 km (41 miles) E (89 degrees) of Samaná, Samaná, Dominican Republic
67 km (41 miles) N (1 degrees) of Higüey, La Altagracia, Dominican Republic
92 km (57 miles) NNE (18 degrees) of La Romana, La Romana, Dominican Republic
154 km (96 miles) ENE (59 degrees) of SANTO DOMINGO, Dominican Republic
Location Uncertainty
Horizontal: 9.5 km; Vertical 3.3 km
Parameters
Nph = 7; Dmin = 60.6 km; Rmss = 0.35 seconds; Gp = 208°M-type = Mcd; Version = 1
Event ID
PR p0821404

5.7 Mw - CENTRAL MID-ATLANTIC RIDGE
Preliminary Earthquake Report
Magnitude
5.7 Mw
Date-Time
27 Jul 2008 21:15:41 UTC
27 Jul 2008 20:15:41 near epicenter
27 Jul 2008 15:15:41 standard time in your timezone
Location
0.171S 18.289W
Depth
10 km
Distances
1104 km (686 miles) SW (229 degrees) of MONROVIA, Liberia
Location Uncertainty
Horizontal: 5.7 km; Vertical
Parameters
Nph = 190; Dmin = 999.9 km; Rmss = 0.76 seconds; Gp = 79°M-type = Mw; Version = 8
Event ID
US 2008uzbh ***This event supersedes event AT00719334.
For updates, maps, and technical information, see:

Event Page or U.S.G.S. Earthquake Hazards Program
National Earthquake Information CenterU.S. Geological Survey

http://neic.usgs.gov/

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