JAPAN REGION RECENT QUAKES

5.0 Mb - RYUKYU ISLANDS, JAPAN
Preliminary Earthquake Report
Magnitude
5.0 Mb
Date-Time
9 Aug 2008 11:54:20 UTC
9 Aug 2008 20:54:20 near epicenter
9 Aug 2008 05:54:20 standard time in your timezone
Location
26.492N 128.447E
Depth
26 km
Distances
86 km (53 miles) ENE (65 degrees) of Naha, Okinawa, Japan
486 km (302 miles) ENE (60 degrees) of Ishigaki-jima, Ryukyu Islands, Japan
1232 km (765 miles) S (173 degrees) of SEOUL, South Korea
Location Uncertainty
Horizontal: 9.1 km; Vertical
Parameters
Nph = 74; Dmin = 718.6 km; Rmss = 1.20 seconds; Gp = 75°M-type = Mb; Version = 7
Event ID
US 2008vma3

4.9 Mb - HOKKAIDO, JAPAN REGION
Preliminary Earthquake Report
Magnitude
4.9 Mb
Date-Time
9 Aug 2008 00:54:35 UTC
9 Aug 2008 09:54:35 near epicenter
8 Aug 2008 18:54:35 standard time in your timezone
Location
42.238N 142.388E
Depth
40 km
Distances
127 km (79 miles) SE (138 degrees) of Sapporo, Hokkaido, Japan
146 km (91 miles) ENE (68 degrees) of Hakodate, Hokkaido, Japan
170 km (106 miles) S (180 degrees) of Asahikawa, Hokkaido, Japan
765 km (476 miles) NNE (17 degrees) of TOKYO, Japan
Location Uncertainty
Horizontal: 21.0 km; Vertical 23.4 km
Parameters
Nph = 33; Dmin = 68.4 km; Rmss = 0.72 seconds; Gp = 97°M-type = Mb; Version = 7
Event ID
US 2008vmae

4.4 Mb - EASTERN HONSHU, JAPAN
Preliminary Earthquake Report
Magnitude
4.4 Mb
Date-Time
8 Aug 2008 03:57:17 UTC
8 Aug 2008 12:57:17 near epicenter
7 Aug 2008 21:57:17 standard time in your timezone
Location
36.277N 139.269E
Depth
75 km
Distances
23 km (14 miles) SE (127 degrees) of Maebashi, Honshu, Japan
80 km (50 miles) NNW (328 degrees) of TOKYO, Japan
90 km (56 miles) NE (44 degrees) of Kofu, Honshu, Japan
Location Uncertainty
Horizontal: 12.9 km; Vertical 7.0 km
Parameters
Nph = 40; Dmin = 99.9 km; Rmss = 0.53 seconds; Gp = 133°M-type = Mb; Version = 7
Event ID
US 2008vlag ***This event supersedes event PT08221015.

4.3 Mb - BONIN ISLANDS, JAPAN REGION
Preliminary Earthquake Report
Magnitude
4.3 Mb
Date-Time
5 Aug 2008 09:27:34 UTC
5 Aug 2008 19:27:34 near epicenter
5 Aug 2008 03:27:34 standard time in your timezone
Location
28.259N 140.128E
Depth
437 km
Distances
244 km (152 miles) WNW (303 degrees) of Chichi-shima, Bonin Islands, Japan
404 km (251 miles) NNW (343 degrees) of Iwo-jima, Volcano Islands, Japan
752 km (468 miles) SSE (162 degrees) of Hamamatsu, Honshu, Japan
825 km (512 miles) S (177 degrees) of TOKYO, Japan
Location Uncertainty
Horizontal: 18.1 km; Vertical 23.4 km
Parameters
Nph = 60; Dmin = 937.1 km; Rmss = 0.64 seconds; Gp = 126°M-type = Mb; Version = 7
Event ID
US 2008viaz

5.3 Mb - HOKKAIDO, JAPAN REGION
Preliminary Earthquake Report
Magnitude
5.3 Mb
Date-Time
8 Aug 2008 15:53:10 UTC
9 Aug 2008 00:53:10 near epicenter
8 Aug 2008 09:53:10 standard time in your timezone
Location
41.306N 142.041E
Depth
35 km
Distances
100 km (62 miles) NNE (27 degrees) of Hachinohe, Honshu, Japan
120 km (75 miles) ESE (115 degrees) of Hakodate, Hokkaido, Japan
123 km (76 miles) ENE (64 degrees) of Aomori, Honshu, Japan
658 km (409 miles) NNE (17 degrees) of TOKYO, Japan
Location Uncertainty
Horizontal: 16.3 km; Vertical
Parameters
Nph = 27; Dmin = 122.0 km; Rmss = 1.35 seconds; Gp = 162°M-type = Mb; Version = 7
Event ID
US 2008vlbf

5.0 Mb - NORTHWEST OF RYUKYU ISLANDS
Preliminary Earthquake Report
Magnitude
5.0 Mb
Date-Time
5 Aug 2008 01:00:51 UTC
5 Aug 2008 10:00:51 near epicenter
4 Aug 2008 19:00:51 standard time in your timezone
Location
27.003N 126.350E
Depth
55 km
Distances
161 km (100 miles) NW (306 degrees) of Naha, Okinawa, Japan
361 km (224 miles) NE (36 degrees) of Ishigaki-jima, Ryukyu Islands, Japan
1169 km (726 miles) S (183 degrees) of SEOUL, South Korea
Location Uncertainty
Horizontal: 14.7 km; Vertical 23.3 km
Parameters
Nph = 39; Dmin = 536.6 km; Rmss = 0.85 seconds; Gp = 79°M-type = Mb; Version = 6
Event ID
US 2008viae

5.1 Mb - NORTHWEST OF RYUKYU ISLANDS
Preliminary Earthquake Report
Magnitude
5.1 Mb
Date-Time
4 Aug 2008 10:25:59 UTC
4 Aug 2008 19:25:59 near epicenter
4 Aug 2008 04:25:59 standard time in your timezone
Location
27.209N 126.013E
Depth
27 km
Distances
201 km (125 miles) NW (306 degrees) of Naha, Okinawa, Japan
361 km (224 miles) NNE (30 degrees) of Ishigaki-jima, Ryukyu Islands, Japan
1148 km (713 miles) S (185 degrees) of SEOUL, South Korea
Location Uncertainty
Horizontal: 14.8 km; Vertical 7.2 km
Parameters
Nph = 83; Dmin = 516.2 km; Rmss = 1.33 seconds; Gp = 90°M-type = Mb; Version = 7
Event ID
US 2008vhaw
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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