Magnitude 5.7 - TONGA

This webpage has been replaced by a new version and will be phased out in the future. Please use our new Real-time Earthquake Map to access the latest earthquake information and event details. The links to the World, US, and CA/NV maps that were in the navigation on the left side of the page have been replaced by the links at the top of the new Map. The Real-time Earthquake Map User Guide describes how to use the map and all its features.

2012 May 05 20:23:31 UTC

Versión en Español

Earthquake Details

  • This event has been reviewed by a seismologist.
Magnitude5.7
Date-Time
Location21.383°S, 174.075°W
Depth9 km (5.6 miles)
RegionTONGA
Distances114 km (70 miles) ESE of NUKU`ALOFA, Tonga
304 km (188 miles) S of Neiafu, Tonga
482 km (299 miles) E of Ndoi Island, Fiji
2023 km (1257 miles) NE of Auckland, New Zealand
Location Uncertaintyhorizontal +/- 13.2 km (8.2 miles); depth +/- 4.5 km (2.8 miles)
ParametersNST=362, Nph=389, Dmin=862.7 km, Rmss=1.06 sec, Gp= 25°,
M-type=teleseismic moment magnitude (Mw), Version=C
Source
  • Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)
Event IDusb0009it2
  • 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The earthquake locations and magnitudes cited in NOAA tsunami statements and bulletins are preliminary and are superseded by USGS locations and magnitudes computed using more extensive data sets.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