Magnitude 5.4 - TONGA

This webpage is being phased out and is no longer maintained. Please use the new Real-time Earthquake Map instead and update your bookmark. See Quick Tips & User Guide.

2012 September 25 18:33:05 UTC

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude5.4
Date-Time
Location21.134°S, 174.323°W
Depth29 km (18.0 miles)
RegionTONGA
Distances69 km (42 miles) ENE of `Ohonua, Tonga
91 km (56 miles) E of Nuku`alofa, Tonga
827 km (513 miles) ESE of Suva, Fiji
843 km (523 miles) SSW of Tafuna, American Samoa
Location Uncertaintyhorizontal +/- 18.4 km (11.4 miles); depth +/- 4.9 km (3.0 miles)
ParametersNST=288, Nph=297, Dmin=843.8 km, Rmss=1.12 sec, Gp= 68°,
M-type=body wave magnitude (Mb), Version=8
Source
  • Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)
Event IDusc000cvsb
  • Did you feel it? Report shaking and damage at your location. You can also view a map displaying accumulated data from your report and others.

Tsunami Information

The earthquake locations and magnitudes cited in NOAA tsunami statements and bulletins are preliminary and are superseded by USGS locations and magnitudes computed using more extensive data sets.

General Tsunami Information