Category Archives: Earthquakes

7.1 mb – COLOMBIA

7.1 mb – COLOMBIA

Preliminary Earthquake Report
Magnitude 7.1 mb
Date-Time
  • 30 Sep 2012 16:31:34 UTC
  • 30 Sep 2012 11:31:34 near epicenter
  • 30 Sep 2012 08:31:34 standard time in your timezone
Location 1.969N 76.315W
Depth 150 km
Distances
  • 62 km (39 miles) SSE (149 degrees) of Popayan, Colombia
  • 89 km (55 miles) WNW (296 degrees) of Florencia, Colombia
  • 137 km (85 miles) NE (51 degrees) of Pasto, Colombia
  • 345 km (214 miles) NE (45 degrees) of QUITO, Ecuador
Location Uncertainty Horizontal: 3.0 km; Vertical 6.9 km
Parameters Nph = 717; Dmin = 885.8 km; Rmss = 0.89 seconds; Gp = 57°
M-type = mb; Version = A
Event ID us 2012gdap

For updates, maps, and technical information, see:
Event Page
or
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National Earthquake Information Center
U.S. Geological Survey
http://neic.usgs.gov/

6.4 Mwc – ANDREANOF ISLANDS, ALEUTIAN IS.

6.4 Mwc – ANDREANOF ISLANDS, ALEUTIAN IS.

Preliminary Earthquake Report
Magnitude 6.4 Mwc
Date-Time
  • 26 Sep 2012 23:39:54 UTC
  • 26 Sep 2012 14:39:54 near epicenter
  • 26 Sep 2012 15:39:54 standard time in your timezone
Location 51.634N 178.293W
Depth 9 km
Distances
  • 117 km (72 miles) WSW (257 degrees) of Adak, AK
  • 287 km (178 miles) W (259 degrees) of Atka, AK
  • 2027 km (1260 miles) WSW (251 degrees) of Anchorage, AK
Location Uncertainty Horizontal: 13.9 km; Vertical 2.6 km
Parameters Nph = 853; Dmin = 114.9 km; Rmss = 1.17 seconds; Gp = 20°
M-type = Mwc; Version = E
Event ID us c000cwni ***This event has been revised.

For updates, maps, and technical information, see:
Event Page
or
USGS Earthquake Hazards Program

National Earthquake Information Center
U.S. Geological Survey
http://neic.usgs.gov/

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6.2 Mwp – GULF OF CALIFORNIA

6.2 Mwp – GULF OF CALIFORNIA

Preliminary Earthquake Report
Magnitude 6.2 Mwp
Date-Time
  • 25 Sep 2012 23:45:26 UTC
  • 25 Sep 2012 17:45:26 near epicenter
  • 25 Sep 2012 15:45:26 standard time in your timezone
Location 24.835N 110.152W
Depth 10 km
Distances
  • 75 km (47 miles) N (11 degrees) of La Paz, Baja California Sur, Mexico
  • 154 km (96 miles) E (98 degrees) of Constitución, Baja California Sur, Mexico
  • 155 km (96 miles) SW (220 degrees) of Ahome, Sinaloa, Mexico
  • 1086 km (675 miles) SE (140 degrees) of Tijuana, Baja California, Mexico
Location Uncertainty Horizontal: 13.7 km; Vertical 1.9 km
Parameters Nph = 441; Dmin = 470.7 km; Rmss = 1.12 seconds; Gp = 69°
M-type = Mwp; Version = A
Event ID us c000cw0l

For updates, maps, and technical information, see:
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or
USGS Earthquake Hazards Program

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U.S. Geological Survey
http://neic.usgs.gov/

6.0 Mwp – KURIL ISLANDS

Preliminary Earthquake Report
Magnitude 6.0 Mwp
Date-Time
  • 9 Sep 2012 05:39:20 UTC
  • 9 Sep 2012 17:39:20 near epicenter
  • 8 Sep 2012 21:39:20 standard time in your timezone
Location 49.473N 155.517E
Depth 56 km
Distances
  • 141 km (88 miles) SSW (198 degrees) of Severo-Kuril’sk, Kuril Islands, Russia
  • 450 km (280 miles) SSW (210 degrees) of Petropavlovsk-Kamchatskiy, Russia
  • 1998 km (1241 miles) NE (35 degrees) of TOKYO, Japan
Location Uncertainty Horizontal: 19.5 km; Vertical 8.5 km
Parameters Nph = 468; Dmin = 432.9 km; Rmss = 0.72 seconds; Gp = 116°
M-type = Mwp; Version = 6
Event ID us c000cjd2

For updates, maps, and technical information, see:
Event Page
or
USGS Earthquake Hazards Program

National Earthquake Information Center
U.S. Geological Survey
http://neic.usgs.gov/

7.6 Mw – OAXACA, MEXICO

Preliminary Earthquake Report
Magnitude 7.6 Mw
Date-Time
  • 20 Mar 2012 18:02:48 UTC
  • 20 Mar 2012 12:02:48 near epicenter
  • 20 Mar 2012 10:02:48 standard time in your timezone
Location 16.662N 98.187W
Depth 17 km
Distances
  • 25 km (16 miles) E (95 degrees) of Ometepec, Guerrero, Mexico
  • 42 km (26 miles) NNW (335 degrees) of Pinotepa Nacional, Oaxaca, Mexico
  • 86 km (54 miles) SW (219 degrees) of Tlaxiaco, Oaxaca, Mexico
  • 162 km (101 miles) WSW (255 degrees) of Oaxaca, Oaxaca, Mexico
  • 186 km (115 miles) E (96 degrees) of Acapulco, Guerrero, Mexico
Location Uncertainty Horizontal: 15.8 km; Vertical 6.5 km
Parameters Nph = 440; Dmin = 312.8 km; Rmss = 0.88 seconds; Gp = 79°
M-type = Mw; Version = 9
Event ID US c0008m6h

For updates, maps, and technical information, see:
Event Page
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U.S. Geological Survey
http://neic.usgs.gov/

6.4 Mw – NEW BRITAIN REGION, P.N.G.

Preliminary Earthquake Report
Magnitude 6.4 Mw
Date-Time
  • 14 Mar 2012 21:13:11 UTC
  • 15 Mar 2012 07:13:11 near epicenter
  • 14 Mar 2012 13:13:11 standard time in your timezone
Location 5.642S 151.024E
Depth 47 km
Distances
  • 177 km (110 miles) ENE (68 degrees) of Kandrian, New Britain, PNG
  • 204 km (127 miles) SW (219 degrees) of Rabaul, New Britain, PNG
  • 343 km (213 miles) S (176 degrees) of Kavieng, New Ireland, PNG
  • 462 km (287 miles) ENE (75 degrees) of Lae, New Guinea, PNG
  • 599 km (372 miles) NE (45 degrees) of PORT MORESBY, Papua New Guinea
Location Uncertainty Horizontal: 13.9 km; Vertical 9.3 km
Parameters Nph = 251; Dmin = 203.7 km; Rmss = 1.16 seconds; Gp = 43°
M-type = Mw; Version = 6
Event ID US b0008hb9

For updates, maps, and technical information, see:
Event Page
or
USGS Earthquake Hazards Program

National Earthquake Information Center
U.S. Geological Survey
http://neic.usgs.gov/

4.1 Mb – VANCOUVER ISLAND, CANADA REGION

Preliminary Earthquake Report
Magnitude 4.1 Mb
Date-Time
  • 3 Mar 2012 14:45:13 UTC
  • 3 Mar 2012 06:45:13 near epicenter
  • 3 Mar 2012 06:45:13 standard time in your timezone
Location 48.807N 128.281W
Depth 28 km
Distances
  • 216 km (134 miles) SSW (195 degrees) of Port Hardy, BC, Canada
  • 257 km (160 miles) WSW (240 degrees) of Campbell River, British Columbia, Canada
  • 274 km (170 miles) WNW (282 degrees) of Neah Bay, WA
  • 361 km (224 miles) W (277 degrees) of Saanich, British Columbia, Canada
  • 379 km (236 miles) W (264 degrees) of Vancouver, British Columbia, Canada
Location Uncertainty Horizontal: 30.1 km; Vertical 11.0 km
Parameters Nph = 44; Dmin = 231.5 km; Rmss = 0.88 seconds; Gp = 180°
M-type = Mb; Version = 6
Event ID US b0008ahy

For updates, maps, and technical information, see:
Event Page
or
USGS Earthquake Hazards Program

National Earthquake Information Center
U.S. Geological Survey
http://neic.usgs.gov/