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Moderate mag. 5.2 earthquake - Coral Sea, 609 km northwest of Port Vila, Shefa Province, Vanuatu, on Thursday, 15 October 2009 at 08:50 (GMT)
Moderate magnitude 5.2 earthquake at 35 km depth
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Date & time: 15 Oct 2009 08:50:36 UTC
Magnitude: 5.2Depth: 35.0 km
Epicenter latitude / longitude: 12.657°S / 166.195°E
(
Coral Sea,
Vanuatu)
Nearest volcano:
Ureparapara (156 km / 97 mi)
Nearby towns and cities:200 km (124 mi) NW of Sola (pop: 1,170) -->
See nearby quakes!219 km (136 mi) SSE of Lata (Santa Cruz Islands, Solomon Islands) (pop: 553) -->
See nearby quakes!282 km (175 mi) NNW of Port-Olry (pop: 1,950) -->
See nearby quakes!335 km (208 mi) NNW of Luganville (pop: 13,400) -->
See nearby quakes!401 km (249 mi) NNW of Norsup (pop: 3,000) -->
See nearby quakes!609 km (378 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 | 35 km | Santa Cruz Islands (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).
23 Nov 2009 18:36 UTC
| M 5.7 | 35 km (21.7 mi) depth
| 8 km (5 mi) distance
| USGS | Details
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