The 2009 West Papua earthquakes occurred on January 4 local time in Indonesia's Tambrauw Regency in Southwest Papua (then West Papua Province). The very large earthquake doublet comprised a Mw 7.6 initial shock that had a maximum Mercalli intensity of VI (Strong) and a second event measuring Mw 7.4 and a maximum Mercalli intensity of VII (Very strong). The events took place less than three hours apart to the east-northeast of Sorong on the Bird's Head Peninsula and left at least four people dead and dozens injured.
 | |
  | |
| UTC time | Doublet earthquake: |
|---|---|
| A: 2009-01-03 19:43:55 | |
| B: 2009-01-03 22:33:42 | |
| ISC event | |
| A: 13989025 | |
| B: 13989020 | |
| USGS-ANSS | |
| A: ComCat | |
| B: ComCat | |
| Local date | January 4, 2009 |
| Local time | |
| A: 04:43 | |
| B: 07:23 | |
| Magnitude | |
| A: 7.6 Mw(GCMT) [1] | |
| B: 7.4 Mw(GCMT) [2] | |
| Depth | 30 km (19 mi) [3] |
| Epicenter | 0°24′50″S 132°53′06″E / 0.414°S 132.885°E |
| Type | Thrust[4] |
| Areas affected | Indonesia |
| Max. intensity | A: MMI VI (Strong)[5] B: MMI VII (Very strong)[6] |
| Tsunami | 1.8 m (5 ft 11 in) [7] |
| Casualties | 4 dead, dozens injured |
Earthquake edit
There have been twenty-three aftershocks above magnitude 5.0 and another at magnitude 6.0. The earthquakes were also felt in nearby Papua New Guinea and Darwin, Australia.[8][9]
Impact edit
An official of World Vision International, a humanitarian aid organization, said ten buildings had been destroyed, including several hotels and the house of a government official. Officials said three people, who had been staying at the Mutiara hotel in the city of Manokwari, were pulled alive from the rubble and taken to a hospital. Two hotels collapsed in the quake.
See also edit
References edit
- ^ ISC-EHB Event 13989025 [IRIS].
- ^ ISC-EHB Event 13989020 [IRIS].
- ^ ISC-GEM Event 13989020 [IRIS].
- ^ Poiata, Koketsu & Miyake 2010.
- ^ ANSS: Papua 2009a, Shakemap .
- ^ ANSS: Papua 2009b, Shakemap .
- ^ Poiata, Koketsu & Miyake 2010.
- ^ "Strong earthquakes hit Indonesia". BBC. 4 January 2009. Retrieved 8 January 2022.
- ^ Quiano, Kathy (4 January 2009). "Indonesia earthquake kills at least 2, injures 35 - CNN.com". CNN. WarnerMedia. Retrieved 8 January 2022.
External links edit
- ANSS, "M7.7 - near the north coast of Papua, Indonesia", Comprehensive Catalog, U.S. Geological Survey
- ANSS, "M7.4 - near the north coast of Papua, Indonesia", Comprehensive Catalog, U.S. Geological Survey
- International Seismological Centre, ISC-EHB Bulletin, Thatcham, United Kingdom
- International Seismological Centre, ISC-GEM Global Instrumental Earthquake Catalogue, Thatcham, United Kingdom
- Poiata, N.; Koketsu, K.; Miyake, H. (2010), "Source processes of the 2009 Irian Jaya, Indonesia, earthquake doublet" (PDF), Earth, Planets and Space, 62 (5): 475, Bibcode:2010EP&S...62..475P, doi:10.5047/eps.2010.02.008
- Earthquake in Papua, Indonesia – NASA Earth Observatory
- The International Seismological Centre has a bibliography and/or authoritative data for this event.