The 1991 Kalabahi earthquakes struck the sea adjacent to Timor on July 4, leaving twenty three people dead and injuring 181. The two quakes, which took place two-and-a-half seconds apart, measured 6.9 on the Mw scale.
  | |
| UTC time | 1991-07-04 11:43:10 |
|---|---|
| ISC event | 324844 |
| USGS-ANSS | ComCat |
| Local date | July 4, 1991 |
| Local time | 20:43 |
| Magnitude | 6.9 Mw |
| Depth | 33.3 km (20.7 mi) |
| Epicenter | 8°05′56″S 124°40′52″E / 8.099°S 124.681°E |
| Type | Reverse[1] |
| Areas affected | Alor Island, Indonesia |
| Max. intensity | MMI VII (Very strong) |
| Casualties | 23 fatalities |
Geography
editKalabahi was the epicenter of the earthquake, 2,000 kilometres (1,243 mi) east from Jakarta, the Indonesian capital.[2] With a calculated depth of 33.3 kilometres (21 mi),[3] the earthquake was in the ocean between the Timor and Alor islands.[4]
Damage and casualties
editThe earthquake struck Timor with a magnitude of 6.9.[4] The earthquake caused 3 fatalities on Alor alone,[5] and 181 injuries. 1,150 buildings were destroyed and at least 5,400 civilians were left homeless.[4]
Damage by the epicenter was estimated at 1991 USD $7,700,000.[4]
References
edit- ^ PAGER-CAT Earthquake Catalog, Version 2008_06.1, United States Geological Survey, September 4, 2009
- ^ "21 people die as earthquake hits Indonesia". Toronto Star. July 5, 1991. Archived from the original on October 22, 2012. Retrieved September 20, 2009.
- ^ "Indonesia Earthquake Jul 1991 UNDRO Information Report 1". United Nations Department of Humanitarian Affairs. July 8, 1991. Retrieved September 20, 2009.
- ^ a b c d "Significants Earthquakes of the World: 1991". United States Geological Survey. July 16, 2008. Archived from the original on 2009-03-02. Retrieved September 20, 2009.
- ^ "Earthquake in Indonesia Kills 5, Hurts 20". St. Louis Post-Dispatch. July 5, 1991. Retrieved September 20, 2009.
External links
edit- The International Seismological Centre has a bibliography and/or authoritative data for this event.