Feeds & DataMagnitude 5.4 - TONGA
2009 April 20 20:02:23 UTC
Earthquake Details
| Magnitude | 5.4 |
|---|---|
| Date-Time |
|
| Location | 15.304°S, 173.562°W |
| Depth | 10 km (6.2 miles) set by location program |
| Region | TONGA |
| Distances | 75 km (45 miles) NNE of Hihifo, Tonga 255 km (160 miles) SW of APIA, Samoa 670 km (415 miles) NNE of NUKU'ALOFA, Tonga 2655 km (1650 miles) NNE of Auckland, New Zealand |
| Location Uncertainty | horizontal +/- 11.3 km (7.0 miles); depth fixed by location program |
| Parameters | NST= 88, Nph= 88, Dmin=>999 km, Rmss=0.87 sec, Gp= 90°, M-type=teleseismic moment magnitude (Mw), Version=7 |
| Source |
|
| Event ID | us2009frbv |
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Earthquake Summary
Tsunami Information
- NOAA West Coast & Alaska Tsunami Warning Center
- NOAA Pacific Tsunami Warning Center
- Tsunami Information Links
The earthquake locations and magnitudes cited in these NOAA tsunami bulletins are very preliminary and may be superceded by USGS locations and magnitudes computed using more extensive data sets.
Earthquake Maps
Scientific & Technical Information
- Preliminary Earthquake Report
- U.S. Geological Survey, National Earthquake Information Center:
World Data Center for Seismology, Denver
