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M 5.4 - SAMOA ISLANDS REGION - 2017-08-21 21:12:22 UTC
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| Magnitude | mb 5.4 | | Region | SAMOA ISLANDS REGION | | Date time | 2017-08-21 21:12:22.9 UTC | | Location | 15.53 S ; 171.57 W | | Depth | 10 km | | Distances | 167 km SW of Pago Pago, American Samoa / pop: 11,500 / local time: 10:12:22.9 2017-08-21
155 km SW of Vailoatai, American Samoa / pop: 1,200 / local time: 10:12:22.9 2017-08-21
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Source parameters reviewed by a seismologistReferences for tectonic plate boundaries:
Coffin, M.F., Gahagan, L.M., and Lawver, L.A., 1998, Present-day Plate Boundary Digital Data Compilation. University of Texas Institute for Geophysics Technical Report No. 174, pp. 5.
Maps view: Seismicity from the previous 7 days in the area  . |
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Map in progress...
Testimonies, photos
USGS/NEIC Denver, USA
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