1994 Liwa earthquake

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1994 Liwa earthquake
Indonesia Sumatra relief location map.jpg
Bullseye1.png
UTC  time1994-02-15 17:07:43
ISC  event 185661
USGS-ANSS ComCat
Local date16 February 1994 (1994-02-16)
Local time00:07 WIB (Indonesia Western Standard Time)
Magnitude7.0 Mw
Depth23 km (14 mi)
Epicenter 4°58′01″S104°18′07″E / 4.967°S 104.302°E / -4.967; 104.302
Fault Great Sumatran fault
Type Strike-slip
Areas affected Indonesia
Max. intensity MMI X (Extreme) [1]
Casualties207 dead and 2000+ injured
Map of the Great Sumatran Fault with labelled segments Great Sumatran Fault.png
Map of the Great Sumatran Fault with labelled segments

The 1994 Liwa earthquake occurred on 16 February 1994 at 00:07 local time. It was located in southern Sumatra, Indonesia. The magnitude of the earthquake was put at Mw  6.9, Mw 7.0, or Ms  7.2, according to different sources. [2] [3] [4] [5]

Contents

The earthquake caused 207 deaths and 2000 injuries. There was damage from landslides, mudslides, and fires in Lampung Province. Power outage occurred in western Lampung. [6] Six-thousand buildings were damaged or destroyed by landslides in the Liwa area. In addition to southern Sumatra, the earthquake could be felt in western Java and Singapore. [2] Intense smoke and gas activity was observed in the Suwoh volcanic area. [5]

The earthquake took place at the Sumatran Fault Zone. The Sumatran Fault Zone is 1,900 km long and highly segmented. It can be divided into about 20 segments. [3] The earthquake occurred in a subparallel strand 2.5 km southwest of the principal trace of the Kumering segment. [4] [7] The focal mechanism is of right-lateral strike-slip faulting. [5]

Reactions

Malaysian Prime Minister Mahathir Mohamad extended his condolences and sympathy to Indonesian President Suharto and the people of Indonesia over the earthquake. [8]

See also

References

  1. ↑ "Katalog Gempabumi Signifikan dan Dirasakan". Meteorology, Climatology, and Geophysical Agency. Retrieved 26 August 2021.
  2. 1 2 "Significant Earthquakes of the World". Archived from the original on 2011-07-14. Retrieved 2017-08-28.
  3. 1 2 "Western Sumatra earthquakes of March 6, 2007" (PDF). Archived from the original (PDF) on December 23, 2015.
  4. 1 2 "The Sumatran Fault Zone – From Source to Hazard" by D. H. Natawidjaja and W. Triyoso
  5. 1 2 3 Widiwijayanti, Christina; Déverchère, Jacques; Louat, Rémy; Sébrier, Michel; Harjono, Hery; Diament, Michel; Hidayat, Dannie (1996), "Aftershock sequence of the 1994, Mw 6.8, Liwa Earthquake (Indonesia): Seismic Rupture process in a volcanic arc" (PDF), Geophysical Research Letters, 23 (21): 3051, Bibcode:1996GeoRL..23.3051W, doi:10.1029/96GL02048, S2CID   129056643
  6. ↑ "Earthquake Kills 134 on Sumatra, Hundreds Injured". Associated Press News.
  7. ↑ Sieh, Kerry; Natawidjaja, Danny (2000), "Neotectonics of the Sumatran fault, Indonesia" (PDF), Journal of Geophysical Research: Solid Earth, 105 (B12): 28295–28326, Bibcode:2000JGR...10528295S, doi: 10.1029/2000JB900120
  8. ↑ "PM sends condolence message to Indonesia". New Sunday Times. 1994-02-20.
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