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2009 Vanuatu earthquakes
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Date 22:03:15, October 7, 2009 (UTC) (2009-10-07T22:03:15Z)
Magnitude 7.8 Mw[1]
Countries affected [[Vanuatu]]
Casualties 0

The 2009 Vanuatu earthquakes were a series of large submarine earthquakes that took place to the west of the Torres Islands of Vanuatu on October 7, 2009 UTC. A 7.6 Mw earthquake, at 22:03 UTC,[2] was followed by a 7.8 Mw event 15 minutes later at 22:18 UTC,[1] and a 7.3 Mw event at 23:13 UTC.[3] The similar size and close timing of the first two events has been dubbed as an earthquake doublet.[4]

Effects

A tsunami warning was issued by the Pacific Tsunami Warning Centre for 11 nations, including Papua New Guinea and island nations in the south-west Pacific, including Fiji, Vanuatu and New Caledonia. The warning was cancelled after tsunamis of up to 10 cm were recorded in Vanuatu.[5][6]

The US Geological Survey said that the epicentre of the first quake was located 260 km (162 mi) S of Lata, Santa Cruz Islands, Solomon Islands and 295 km (183 mi) NNW of Luganville, Espiritu Santo, Vanuatu at a depth of 35 km (22 mi). It was reported that the earthquakes were felt in Luganville, Espiritu Santo[7] (MM IV according to USGS), and people in Espiritu Santo ran to higher places.[8] Evacuation was also taken on the eastern shore of Grande Terre and in the nearby Loyalty Islands, New Caledonia.[9]

List of shocks

Only shocks with magnitude 5.5 or higher are listed.[10] Shocks with magnitude 6.0 or higher are highlighted in light blue. The main shock with moment magnitude 7.8 Mw is highlighted in dark blue.

Date
(YYYY-MM-DD)
Time
(UTC)
Latitude Longitude Depth Magnitude
2009-10-07 22:03:15 13.052° S 166.187° E 35.0 km (22 mi) 7.7 (Mw)
2009-10-07 22:18:26 12.554° S 166.320° E 35.0 km (22 mi) 7.8 (Mw)
2009-10-07 23:13:49 13.145° S 166.297° E 33.0 km (21 mi) 7.3 (Mw)
2009-10-07 23:48:52 13.489° S 166.408° E 29.5 km (18 mi) 5.7 (Mw)
2009-10-08 01:59:20 11.923° S 165.892° E 35.0 km (22 mi) 5.8 (Mw)
2009-10-08 02:12:39 11.650° S 166.170° E 35.0 km (22 mi) 6.6 (Mw)
2009-10-08 08:28:48 13.298° S 165.951° E 35.0 km (22 mi) 6.8 (Mw)
2009-10-08 08:34:37 12.276° S 166.448° E 35.0 km (22 mi) 6.5 (Mw)
2009-10-08 21:16:12 12.879° S 166.200° E 11.3 km (7 mi) 6.2 (Mw)
2009-10-08 23:35:50 12.488° S 166.501° E 81.2 km (50 mi) 5.6 (Mw)
2009-10-09 13:12:32 13.335° S 166.461° E 29.7 km (18 mi) 5.5 (Mw)
2009-10-10 14:25:17 14.220° S 166.665° E 48.1 km (30 mi) 5.8 (Mw)
2009-10-11 04:47:46 13.037° S 166.152° E 10.0 km (6 mi) 5.6 (Mw)
2009-10-12 09:37:17 12.393° S 166.533° E 10.0 km (6 mi) 6.4 (Mw)
2009-10-23 15:14:13 12.210° S 166.065° E 35.0 km (22 mi) 6.0 (Mw)

References

  1. 1.0 1.1 Magnitude 7.8 - VANUATU. USGS (2009-10-07). Archived from the original on 10 October 2009. Retrieved on 2009-10-08.
  2. Magnitude 7.6 - VANUATU. USGS (2009-10-07). Archived from the original on 10 October 2009. Retrieved on 2009-10-09.
  3. Magnitude 7.3 - VANUATU. USGS (2009-10-07). Archived from the original on 9 October 2009. Retrieved on 2009-10-09.
  4. Magnitude 7.8 - VANUATU #Summary. USGS (2009-10-07). Archived from the original on 10 October 2009. Retrieved on 2009-10-09.
  5. Pacific quakes stir panic but tsunamis tiny. alertnet.org (2009-10-07). Archived from the original on 10 October 2009. Retrieved on 2009-10-08.
  6. Tsunami warnings cancelled after twin quakes. Australian Broadcasting Corporation (2009-10-08). Archived from the original on 11 October 2009. Retrieved on 2009-10-08.
  7. Pacific islanders panic and flee after powerful earthquakes off Vanuatu form small tsunami. mcall.com (2009-10-08). Retrieved on 2009-10-08.
  8. "Pacific Quakes Stir Panic But Tsunamis Tiny". nytimes.com. 2009-10-08. http://www.nytimes.com/reuters/2009/10/08/world/international-uk-quake-pacific.html?_r=1. Retrieved 2009-10-08. [dead link]
  9. Malkin, Bonnie (2009-10-08). "Tsunami warning issued for Pacific as strong earthquake strikes Vanuatu". London: telegraph.co.uk. Archived from the original on 10 October 2009. http://www.telegraph.co.uk/news/worldnews/australiaandthepacific/vanuatu/6270760/Tsunami-warning-issued-for-Pacific-as-strong-earthquake-strikes-Vanuatu.html#. Retrieved 2009-10-08. 
  10. Earthquake List for Map of Australia Region. earthquakes.usgs.gov (2009-10-08). Archived from the original on 4 October 2009. Retrieved on 2009-10-08.
Earthquakes in 2009
January
February
March
April
May
June
July
August
September
October
This article uses material from the Wikipedia article 2009 Vanuatu earthquakes, that was deleted or is being discussed for deletion, which is released under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
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This article uses material from the Wikipedia article wikipedia:en:2009 Vanuatu earthquakes, that was deleted or is being discussed for deletion, which is released under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
Author(s): 2009 Vanuatu earthquakes/edithistory Search for "2009 Vanuatu earthquakes" on Google
View Wikipedia's deletion log of "2009 Vanuatu earthquakes"
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