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Thursday, September 22, 2011

Earthquake Magnitude 6.8 - TONGA


Magnitude 6.8 - TONGA

2011 September 22 23:07:04 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude6.8 (Preliminary magnitude — update expected within 15 minutes)
Date-Time
  • Thursday, September 22, 2011 at 23:07:04 UTC
  • Friday, September 23, 2011 at 12:07:04 PM at epicenter
Location15.000°S, 174.800°W
Depth41 km (25.5 miles) set by location program
RegionTONGA
Distances
  • 355 km (220 miles) WSW (248°) from APIA, Samoa
  • 415 km (258 miles) NNW (348°) from Neiafu, Tonga
  • 449 km (279 miles) W (259°) from PAGO PAGO, American Samoa
  • 2706 km (1682 miles) W (272°) from PAPEETE, Tahiti, French Polynesia
Location UncertaintyError estimate not available
ParametersNST= 18, Nph= 18, Dmin=375.3 km, Rmss=1.13 sec, Gp= 86°,
M-type="moment" magnitude from initial P wave (tsuboi method) (Mi/Mwp), Version=1
Source
Event IDat00lry5js

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