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1991 Kalabahi earthquakes

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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.

UTCtime
  • 1991-07-04 11:43:10
ISCevent
USGS-ANSS
Localdate
  • July 4, 1991
Quick facts UTC time, ISC event ...
1991 Kalabahi earthquakes
1991 Kalabahi earthquakes is located in Indonesia
1991 Kalabahi earthquakes
Location within Indonesia
UTC time
  • 1991-07-04 11:43:10
ISC event
USGS-ANSS
Local date
  • July 4, 1991
Local time
  • 20:43
Magnitude
Depth
  • 33.3 km (20.7 mi)
Epicenter8.099°S 124.681°E / -8.099; 124.681
TypeReverse[1]
Areas affectedAlor Island, Indonesia
Max. intensityMMI VII (Very strong)
Casualties23 fatalities
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Geography

Kalabahi 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

The 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 US$7,700,000.[4]

References

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