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Magnitude | 4.7 | |
| Date-Time |
Tuesday, October 12, 2004 at 20:23:57 (UTC) - Coordinated Universal Time Wednesday, October 13, 2004 at 08:23:57 AM local time at epicenter Time of Earthquake in other Time Zones |
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| Location | 22.02S 175.74W | ||
| Depth | 135 kilometers | ||
| Region | TONGA REGION | ||
| Reference |
110 km (70 miles) SSW of NUKU'ALOFA, Tonga 340 km (210 miles) ESE of Ndoi Island, Fiji 415 km (260 miles) SSW of Neiafu, Tonga 1890 km (1170 miles) NNE of Auckland, New Zealand |
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| Location Quality | Error estimate: horizontal +/- 22.7 km; depth +/- 81.6 km | ||
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Location Quality Parameters |
Nst=32, Nph=32, Dmin=1924.6 km, Rmss=1.55 sec, Erho=22.7 km, Erzz=81.6 km, Gp=119.1 degrees | ||
| Source | USGS NEIC (WDCS-D) |
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Did You Feel It?
Theoretical P-Wave Travel Times
Historical Moment Tensor Solutions
Earthquakes: Frequently Asked Questions
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NB:
The official magnitude for this earthquake is indicated at the top of this page.
This was the best available estimate of the earthquake's size,
at the time that this page was created. Other magnitudes associated
with web pages linked from here are those determined at various times
following the earthquake with different types of seismic data.
Although, given the data used, they are legitimate estimates of magnitude
they are not considered the official magnitude.
The region name is an automatically generated name
from the Flinn-Engdahl (F-E) seismic and geographical regionalization scheme.
The boundaries of
these regions are defined at one-degree intervals and therefore differ from
irregular political boundaries.
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