Magnitude 6.3 & 6.0 - BERING SEA - 地球科學討論

http://earthquake.usgs.gov/earthquakes/recenteqsww/Maps/10/180_60.gif
http://neic.usgs.gov/neis/bulletin/neic_vscx_7.jpg
連兩震，該區域很少發生強震?! (110年來沒發生超過規模七的..)


Magnitude 6.3 - BERING SEA
http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/us2010vscx.php
Earthquake Details
Magnitude 6.3
Date-Time Friday, April 30, 2010 at 23:11:44 UTC
Friday, April 30, 2010 at 02:11:44 PM at epicenter
Location 60.644°N, 177.901°W
Depth 15.1 km (9.4 miles)
Region BERING SEA
Distances 474 km (294 miles) SW (225°) from Gambell, AK
478 km (297 miles) SSW (212°) from Provideniya, Russia
1510 km (938 miles) W (280°) from Anchorage, AK
Location- horizontal +/- 15.8 km (9.8 miles); depth +/- 3.8 km (2.4 miles)
Uncertainty
Parameters NST=264, Nph=280, Dmin=980.7 km, Rmss=1.45 sec, Gp= 43°,
M-type="moment" magnitude from initial P wave (tsuboi method)
(Mi/Mwp), Version=6
Source USGS NEIC (WDCS-D)
Event ID us2010vscx


Magnitude 6.0 - BERING SEA
http://earthquake.usgs.gov/earthquakes/recenteqsww/Quakes/us2010vsc1.php
Earthquake Details
Magnitude 6.0
Date-Time Friday, April 30, 2010 at 23:16:29 UTC
Friday, April 30, 2010 at 02:16:29 PM at epicenter
Location 60.524°N, 177.728°W
Depth 15.7 km (9.8 miles)
Region BERING SEA
Distances 478 km (297 miles) SW (224°) from Gambell, AK
486 km (302 miles) SSW (210°) from Provideniya, Russia
1505 km (935 miles) W (280°) from Anchorage, AK
Location- horizontal +/- 15.5 km (9.6 miles); depth +/- 3.9 km (2.4 miles)
Uncertainty
Parameters NST=232, Nph=233, Dmin=480.9 km, Rmss=0.96 sec, Gp= 36°,
M-type=body wave magnitude (Mb), Version=6
Source USGS NEIC (WDCS-D)
Event ID us2010vsc1



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