阿拉斯加，9月2日，6.8

启德机场

Magnitude        6.8
Date-Time       

    Friday, September 02, 2011 at 10:55:54 UTC
    Friday, September 02, 2011 at 01:55:54 AM at epicenter
    Time of Earthquake in other Time Zones

Location        52.185°N, 171.684°W
Depth        35.5 km (22.1 miles)
Region        FOX ISLANDS, ALEUTIAN ISLANDS, ALASKA
Distances        45 km (27 miles) SW of Amukta Island, Alaska
85 km (52 miles) SW of Yunaska Island, Alaska
1658 km (1030 miles) WSW of Anchorage, Alaska
2410 km (1497 miles) W of WHITEHORSE, Yukon Territory, Canada
Location Uncertainty        horizontal +/- 14 km (8.7 miles); depth +/- 4.4 km (2.7 miles)
Parameters        NST=824, Nph=825, Dmin=172.5 km, Rmss=0.81 sec, Gp= 54°,
M-type=centroid moment magnitude (Mw), Version=9
Source       

    Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)

Event ID        usc0005n83

lhkcc58

初报是7.1

lhkcc58

lhkcc58

改级后那方块明显小了许多。