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M7.9 Enggano Island-Bengkuku Earthquake, 2000

Date:

4 June 2000

Epicentre:

N of Karkuwa, Enggano Isl

Time:

16:28:28 UTC (23:28:28 WIT)

Latitude:

4.692 S (ISC)

Longitude:

102.141 E (ISC)

Depth:

52.7 kms (ISC)

Magnitude:

Mw 7.9 (HRV), 7.7 (NEIC)

Additional Info


Map Disclaimer


A major earthquake struck the southern Mentawai Islands and adjoining parts of Sumatra on 4 June 2000 at 23:28 PM local time resulting in 103 deaths and considerable damage to property in the province of Bengkulu on Sumatra, Indonesia. It had a magnitude of Mw=7.9 and despite its size, it did not generate either a local or an ocean-wide tsunami.

The earthquake was centred 68.4 kms N of Karkuwa (Enggano Island), Indonesia,
87.9 kilometres WSW of Manna (Sumatra), Indonesia,
100 kilometres S of Bengkulu (Sumatra), Indonesia,
205 kilometres NW of Krui (Sumatra), Indonesia,
349 kilometres SW of Palembang (Sumatra), Indonesia,

545 kilometres NW of Jakarta (Java), Indonesia,
704 kms SSW of Changi International Airport, Singapore.


This earthquake was the strongest earthquake in the Indian Ocean since 1977. Following the mainshock, there was great concern that an ocean-wide tsunami might have been generated in the Indian Ocean. However, no tsunami was generated by this earthquake. The mainshock was followed by hundreds of aftershocks. The largest aftershock, was a magnitude 6.7 event that struck within 11 minutes of the mainshock. Including this aftershock there were 4 aftershocks that had magnitudes of 6 or greater.

The worst damage was concentrated on Enggano Island, which is situated off the coast of Sumatra. Nearly 90% of the structures on the island were demolished but miraculously no one was killed. Most of the fatalities occurred in the city of Bengkulu, on the island of Sumatra. Out of the 103 deaths and 2174 injuries, 100 of the dead were from the city of Bengkulu and other neighbouring towns. Among the buildings that collapsed in Bengkulu, were a hotel and two bank buildings. The city's airport and seaport were also badly damaged. Telephone links were cut for several days following the earthquake. The Indonesian Navy was brought in to help far flung islands off the west coast of Sumatra. This earthquake was felt strongly at Jakarta and Medan in Indonesia. It was also felt in many parts of Singapore and at Johor Bahru, Kuala Lumpur and Petaling Jaya in Malaysia.


References
01)
Harvard Centroid Moment Tensor Solution (HRV), Harvard, USA.
02) International Seismological Centre (ISC), Berkshire.
03)
National Earthquake Information Centre (NEIC), Golden, USA.
04)
Macroseismic information has been compiled by the ASC from reports by local media and local NGO personnel.

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Map Disclaimer
International boundaries of India (especially Arunachal Pradesh, Jammu & Kashmir, Himachal Pradesh and Uttarakhand) on the displayed map are from Google Maps. These do not conform to the external boundaries of India recognized by the Survey of India. That they are displayed on this page via Google Maps, is only for display purposes and this should not be misinterpreted as an endorsement of these boundaries by the Amateur Seismic Centre (ASC).

Page Updated: 21 Feb 2008 | Website Disclaimer

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