5 MAJOR EARTHQUAKES 10-05-2011

Magnitude 5.8 - OFF THE EAST COAST OF HONSHU, JAPAN

Earthquake Details

• This event has been reviewed by a seismologist.

Magnitude	5.8
Date-Time	Monday, May 09, 2011 at 20:15:56 UTC Tuesday, May 10, 2011 at 06:15:56 AM at epicenter Time of Earthquake in other Time Zones
Location	37.761°N, 143.538°E
Depth	29.9 km (18.6 miles)
Region	OFF THE EAST COAST OF HONSHU, JAPAN
Distances	239 km (148 miles) ESE of Sendai, Honshu, Japan 248 km (154 miles) ENE of Iwaki, Honshu, Japan 270 km (167 miles) E of Fukushima, Honshu, Japan 409 km (254 miles) NE of TOKYO, Japan
Location Uncertainty	horizontal +/- 14.5 km (9.0 miles); depth +/- 7.2 km (4.5 miles)
Parameters	NST=272, Nph=273, Dmin=474.2 km, Rmss=0.68 sec, Gp= 32°, M-type=regional moment magnitude (Mw), Version=9
Source	USGS NEIC (WDCS-D)
Event ID	usc00039w3

Magnitude 5.8 - MINDANAO, PHILIPPINES

Earthquake Details

• This event has been reviewed by a seismologist.

Magnitude	5.8
Date-Time	Monday, May 09, 2011 at 19:13:27 UTC Tuesday, May 10, 2011 at 03:13:27 AM at epicenter Time of Earthquake in other Time Zones
Location	5.384°N, 126.472°E
Depth	35.7 km (22.2 miles)
Region	MINDANAO, PHILIPPINES
Distances	165 km (102 miles) ESE of General Santos, Mindanao, Philippines 209 km (129 miles) SSE of Davao, Mindanao, Philippines 913 km (567 miles) WSW of KOROR, Palau 1184 km (735 miles) SSE of MANILA, Philippines
Location Uncertainty	horizontal +/- 16.2 km (10.1 miles); depth +/- 6.7 km (4.2 miles)
Parameters	NST=130, Nph=136, Dmin=821.5 km, Rmss=1.33 sec, Gp= 76°, M-type=regional moment magnitude (Mw), Version=7
Source	USGS NEIC (WDCS-D)
Event ID	usc00039t8

ALASKA: Two Earthquakes Magnitude 5 with Interval of 4 seconds

In this map there were two earthquakes Magnitude 5. Now we just have one.

WHY ???

The data are listed below.

Earthquake Details

• This event has been reviewed by a seismologist.

Magnitude	5.0 (Preliminary magnitude — update expected within 15 minutes)
Date-Time	Monday, May 09, 2011 at 19:05:00 UTC Monday, May 09, 2011 at 11:05:00 AM at epicenter
Location	54.840°N, 160.009°W
Depth	36 km (22.4 miles) set by location program
Region	ALASKA PENINSULA
Distances	63 km (39 miles) SSE (151°) from Sand Point, AK 124 km (77 miles) SSW (196°) from Ivanof Bay, AK 131 km (82 miles) SSW (205°) from Perryville, AK 927 km (576 miles) SW (225°) from Anchorage, AK
Location Uncertainty	Error estimate not available
Parameters	NST= 23, Nph= 23, Dmin=64.1 km, Rmss=1.2 sec, Gp=202°, M-type=local magnitude (ML), Version=1
Source	West Coast and Alaska Tsunami Warning Center/NOAA/NWS
Event ID	at00lkxzoc

Earthquake Details

• This event has been reviewed by a seismologist.

Magnitude	5.0
Date-Time	Monday, May 09, 2011 at 19:05:04 UTC Monday, May 09, 2011 at 11:05:04 AM at epicenter
Location	55.856°N, 161.124°W
Depth	28.9 km (18.0 miles)
Region	ALASKA PENINSULA
Distances	17 km (10 miles) SSE (163°) from Nelson Lagoon, AK 70 km (44 miles) NW (326°) from Sand Point, AK 102 km (64 miles) W (267°) from Ivanof Bay, AK 885 km (550 miles) SW (233°) from Anchorage, AK
Location Uncertainty	horizontal +/- 15.5 km (9.6 miles); depth +/- 6.4 km (4.0 miles)
Parameters	NST=232, Nph=243, Dmin=175.9 km, Rmss=1.91 sec, Gp= 83°, M-type=body wave magnitude (Mb), Version=C
Source	U.S. Geological Survey, National Earthquake Information Center: World Data Center for Seismology, Denver
Event ID	usc00039sv

6.3 - WEST OF MACQUARIE ISLAND

Earthquake Details

• This event has been reviewed by a seismologist.

Magnitude	6.3
Date-Time	Monday, May 09, 2011 at 18:54:42 UTC Tuesday, May 10, 2011 at 04:54:42 AM at epicenter
Location	56.612°S, 147.837°E
Depth	1 km (~0.6 mile) (poorly constrained)
Region	WEST OF MACQUARIE ISLAND
Distances	730 km (453 miles) WSW of Macquarie Island, Australia 1192 km (740 miles) NNE of Dumont d'Urville, Antarctica 1523 km (946 miles) S of HOBART, Tasmania, Australia 2100 km (1304 miles) S of MELBOURNE, Victoria, Australia
Location Uncertainty	horizontal +/- 16.7 km (10.4 miles); depth +/- 5.3 km (3.3 miles)
Parameters	N