Magnitude 4.7 - SAMOA ISLANDS REGION
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2012 May 21 03:39:44 UTC
Earthquake Details
- This event has been reviewed by a seismologist.
Magnitude | 4.7 |
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Date-Time |
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Location | 15.453°S, 171.864°W |
Depth | 9.9 km (6.2 miles) |
Region | SAMOA ISLANDS REGION |
Distances | 179 km (111 miles) SW of PAGO PAGO, American Samoa 179 km (111 miles) S of APIA, Samoa 210 km (130 miles) ENE of Hihifo, Tonga 2717 km (1688 miles) NNE of Auckland, New Zealand |
Location Uncertainty | horizontal +/- 24.3 km (15.1 miles); depth +/- 2.1 km (1.3 miles) |
Parameters | NST=151, Nph=151, Dmin=171.4 km, Rmss=0.79 sec, Gp= 83°, M-type=body wave magnitude (Mb), Version=8 |
Source |
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Event ID | usb0009u76 |
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Scientific & Technical Information
- Preliminary Earthquake Report
- U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver