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Strong mag. 5.2 earthquake - Coral Sea, 553 km north of Port Vila, Shefa Province, Vanuatu, on Thursday, 8 October 2009 at 17:16 (GMT)
Strong magnitude 5.2 earthquake at 10 km depth
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Date & time: 8 Oct 2009 17:16:42 UTC
Magnitude: 5.2Depth: 9.7 km
Epicenter latitude / longitude: 13.089°S / 166.484°E
(
Coral Sea,
Vanuatu)
Nearest volcano:
Ureparapara (103 km / 64 mi)
Nearby towns and cities:145 km (90 mi) NW of Sola (pop: 1,170) -->
See nearby quakes!226 km (141 mi) NNW of Port-Olry (pop: 1,950) -->
See nearby quakes!273 km (170 mi) SSE of Lata (Santa Cruz Islands, Solomon Islands) (pop: 553) -->
See nearby quakes!280 km (174 mi) NNW of Luganville (pop: 13,400) -->
See nearby quakes!345 km (215 mi) NNW of Norsup (pop: 3,000) -->
See nearby quakes!553 km (344 mi) NNW of Port Vila (pop: 35,900) -->
See nearby quakes!Primary data source:
USGS (United States Geological Survey)
Estimated released energy: 4 x 10
12 joules (1.11 gigawatt hours, equivalent to 951 tons of TNT)
More info[show map]
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Data for the same earthquake reported by different agencies
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| Magnitude | Depth | Location | Source |
| M 5.2 | 9.7 km | Vanuatu | USGS |
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.
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Aftershocks
More info
Based on its magnitude, the fault that was active during the quake ruptured along a surface of approx. 16 km
2 (=6 sqare miles) as a first-order estimate. The length of the rupture zone thus was probably around 7 km (4 mi).
Aftershocks typically occur during the days and weeks following the quake at or near the same fault, at distances of up to approx. two times the length of the rupture zone.
The often broadly linear arrangement of aftershock epicenters encompasses the rupture zone of the main shock (check on the
map below to verify).
17 Oct 2009 16:26 UTC
| M 5.0 | 14.7 km (9.1 mi) depth
| 11 km (7 mi) distance
| USGS | Details17 Oct 2009 13:18 UTC
| M 5.6 | 35 km (21.7 mi) depth
| 11 km (7 mi) distance
| USGS | Details
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