Thursday, August 14, 2008

NORTH AMERICA RECENT QUAKES

4.3 Ml - ALASKA PENINSULA
Preliminary Earthquake Report

Magnitude
4.3 Ml
Date-Time
14 Aug 2008 11:49:25 UTC
14 Aug 2008 03:49:25 near epicenter
14 Aug 2008 05:49:25 standard time in your timezone
Location
54.306N 162.302W
Depth
5 km
Distances
85 km (53 miles) S (179 degrees) of King Cove, AK
92 km (57 miles) SE (129 degrees) of False Pass, AK
104 km (64 miles) SSE (165 degrees) of Cold Bay, AK
1064 km (661 miles) SW (230 degrees) of Anchorage, AK
Location Uncertainty
Horizontal: 2.0 km; Vertical 0.1 km
Parameters
Nph = 31; Dmin = 73.6 km; Rmss = 0.67 seconds; Gp = 205°M-type = Ml; Version = 1
Event ID
AK 00062258
3.9 Ml - SOUTHERN ALASKA
Preliminary Earthquake Report

Magnitude
3.9 Ml
Date-Time
13 Aug 2008 02:35:17 UTC
12 Aug 2008 18:35:17 near epicenter
12 Aug 2008 20:35:17 standard time in your timezone
Location
59.327N 152.743W
Depth
74 km
Distances
47 km (29 miles) W (267 degrees) of Nanwalek, AK
52 km (32 miles) W (268 degrees) of Port Graham, AK
60 km (37 miles) WSW (258 degrees) of Seldovia, AK
265 km (164 miles) SW (220 degrees) of Anchorage, AK
Location Uncertainty
Horizontal: 0.4 km; Vertical 0.1 km
Parameters
Nph = 61; Dmin = 38.8 km; Rmss = 0.54 seconds; Gp = 100°M-type = Ml; Version = 1
Event ID
AK 00061854 ***This event supersedes event AT00859491.
4.2 Ml - ALASKA PENINSULA
Preliminary Earthquake Report

Magnitude
4.2 Ml
Date-Time
12 Aug 2008 06:04:26 UTC
11 Aug 2008 22:04:26 near epicenter
12 Aug 2008 00:04:26 standard time in your timezone
Location
57.882N 155.072W
Depth
90 km
Distances
54 km (34 miles) NW (309 degrees) of Karluk, AK
75 km (46 miles) WNW (301 degrees) of Larsen Bay, AK
117 km (73 miles) NNW (333 degrees) of Akhiok, AK
474 km (295 miles) SW (221 degrees) of Anchorage, AK
Location Uncertainty
Horizontal: 0.5 km; Vertical 0.1 km
Parameters
Nph = 71; Dmin = 23.2 km; Rmss = 0.82 seconds; Gp = 108°M-type = Ml; Version = 1
Event ID
AK 00060962
3.5 Ml - KODIAK ISLAND REGION, ALASKA
Preliminary Earthquake Report

Magnitude
3.5 Ml
Date-Time
11 Aug 2008 10:49:30 UTC
11 Aug 2008 02:49:30 near epicenter
11 Aug 2008 04:49:30 standard time in your timezone
Location
56.748N 152.114W
Depth
6 km
Distances
88 km (55 miles) SE (124 degrees) of Old Harbor, AK
96 km (60 miles) S (177 degrees) of Chiniak, AK
110 km (68 miles) SSE (165 degrees) of Womens Bay, AK
512 km (318 miles) SSW (196 degrees) of Anchorage, AK
Location Uncertainty
Horizontal: 1.2 km; Vertical 0.3 km
Parameters
Nph = 12; Dmin = 88.5 km; Rmss = 1.26 seconds; Gp = 194°M-type = Ml; Version = 1
Event ID
AK 00060859
5.2 Mw - UNIMAK ISLAND REGION, ALASKA
Preliminary Earthquake Report
Magnitude
5.2 Mw
Date-Time
11 Aug 2008 00:09:38 UTC
10 Aug 2008 16:09:38 near epicenter
10 Aug 2008 18:09:38 standard time in your timezone
Location
53.780N 163.583W
Depth
30 km
Distances
117 km (73 miles) S (186 degrees) of False Pass, AK
151 km (94 miles) ESE (105 degrees) of Akutan, AK
165 km (103 miles) SSW (210 degrees) of King Cove, AK
1162 km (722 miles) SW (231 degrees) of Anchorage, AK
Location Uncertainty
Horizontal: 6.1 km; Vertical 14.5 km
Parameters
Nph = 167; Dmin = 120.7 km; Rmss = 1.13 seconds; Gp = 154°M-type = Mw; Version = 7
Event ID
US 2008vpac ***This event supersedes event AT00841337.
4.1 Mb - QUEEN CHARLOTTE ISLANDS REGION
Preliminary Earthquake Report
Magnitude
4.1 Mb
Date-Time
8 Aug 2008 15:41:38 UTC
8 Aug 2008 08:41:38 near epicenter
8 Aug 2008 09:41:38 standard time in your timezone
Location
51.905N 131.242W
Depth
10 km
Distances
274 km (170 miles) SSW (194 degrees) of Prince Rupert, BC, Canada
293 km (182 miles) WNW (299 degrees) of Port Hardy, BC, Canada
359 km (223 miles) S (176 degrees) of Metlakatla, AK
642 km (399 miles) WNW (300 degrees) of Vancouver, British Columbia, Canada
Location Uncertainty
Horizontal: 17.0 km; Vertical
Parameters
Nph = 37; Dmin = 416.5 km; Rmss = 1.47 seconds; Gp = 169°M-type = Mb; Version = 7
Event ID
US 2008vlbd ***This event supersedes event AT00821010.
4.0 Mb - OFF COAST OF OREGON
Preliminary Earthquake Report

Magnitude
4.0 Mb
Date-Time
8 Aug 2008 10:07:59 UTC
8 Aug 2008 01:07:59 near epicenter
8 Aug 2008 04:07:59 standard time in your timezone
Location
44.023N 128.431W
Depth
10 km
Distances
339 km (211 miles) WNW (289 degrees) of Bandon, OR
340 km (211 miles) WNW (284 degrees) of Barview, OR
343 km (213 miles) W (278 degrees) of Winchester Bay, OR
425 km (264 miles) W (271 degrees) of Eugene, OR
486 km (302 miles) WSW (252 degrees) of Portland, OR
Location Uncertainty
Horizontal: 11.6 km; Vertical
Parameters
Nph = 38; Dmin = 356.0 km; Rmss = 1.31 seconds; Gp = 126°M-type = Mb; Version = 7
Event ID
US 2008vlaz
3.5 Ml - NORTHERN CALIFORNIA
Preliminary Earthquake Report

Magnitude
3.5 Ml
Date-Time
7 Aug 2008 18:11:38 UTC
7 Aug 2008 11:11:38 near epicenter
7 Aug 2008 12:11:38 standard time in your timezone
Location
41.432N 121.706W
Depth
2 km
Distances
24 km (15 miles) SE (135 degrees) of Tennant, CA
41 km (26 miles) ENE (61 degrees) of McCloud, CA
47 km (29 miles) SSE (148 degrees) of Mount Hebron, CA
84 km (52 miles) ESE (113 degrees) of Yreka, CA
321 km (199 miles) N (356 degrees) of Sacramento, CA
Location Uncertainty
Horizontal: 0.3 km; Vertical 16.1 km
Parameters
Nph = 58; Dmin = 21.0 km; Rmss = 0.26 seconds; Gp = 68°M-type = Ml; Version = 2
Event ID
NC 40221663
5.4 Mw - GULF OF CALIFORNIA
Preliminary Earthquake Report

Magnitude
5.4 Mw
Date-Time
7 Aug 2008 02:18:13 UTC
6 Aug 2008 20:18:13 near epicenter
6 Aug 2008 20:18:13 standard time in your timezone
Location
26.542N 111.033W
Depth
10 km
Distances
66 km (41 miles) NNE (28 degrees) of Loreto, Baja California Sur, Mexico
134 km (83 miles) SW (228 degrees) of Yaquí, Sonora, Mexico
136 km (84 miles) WSW (242 degrees) of Juárez, Sonora, Mexico
151 km (94 miles) SW (227 degrees) of Obregón, Sonora, Mexico
882 km (548 miles) SE (137 degrees) of Tijuana, Baja California, Mexico
Location Uncertainty
Horizontal: 11.7 km; Vertical
Parameters
Nph = 112; Dmin = 793.9 km; Rmss = 1.22 seconds; Gp = 223°M-type = Mw; Version = 8
Event ID
US 2008vkag ***This event has been revised.
For updates, maps, and technical information, see:
Event Page or U.S.G.S. Earthquake Hazards Program
National Earthquake Information CenterU.S. Geological Survey
As in the days of Noah....

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