Magnitude 6.7 - TONGA
2012 April 28 10:08:07 UTC
- This event has been reviewed by a seismologist.
|Depth||129.4 km (80.4 miles)|
|Distances||78 km (48 miles) W of Neiafu, Tonga|
280 km (173 miles) N of NUKU`ALOFA, Tonga
315 km (195 miles) SSW of Hihifo, Tonga
2266 km (1408 miles) NNE of Auckland, New Zealand
|Location Uncertainty||horizontal +/- 15 km (9.3 miles); depth +/- 4.6 km (2.9 miles)|
|Parameters||NST=454, Nph=457, Dmin=611.1 km, Rmss=0.81 sec, Gp= 22°,|
M-type=centroid moment magnitude (Mw), Version=9
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Scientific & Technical 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The earthquake locations and magnitudes cited in NOAA tsunami statements and bulletins are preliminary and are superseded by USGS locations and magnitudes computed using more extensive data sets.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
- Preliminary Earthquake Report
- U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver