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Another Strong Quake Hits Sumatra

Posted by feww on October 1, 2009

Magnitude 6.8 quake strikes southern Sumatra, Indonesia

A v.  strong earthquake measuring 6.8Mw struck the southern Sumatra region about 226 km SE of Padang at a depth of 10 km on Thursday, October 1, 2009 at 01:52: 29UTC, the European-Mediterranean Seismological Center reported.

The mainshock was followed by an aftershock measuring 5.2 Mw about 28 minutes later.

Earthquake Details:

Magnitude: 6.8 Mw
Region:  SOUTHERN SUMATRA, INDONESIA

Date time: 2009-10-01 at 01:52:28.9 UTC
Location: 2.52 S ; 101.66 E
Depth: 10 km
Distances

  • 157 km NW Bengkulu (pop 309,712 ; local time 08:52 2009-10-01)
  • 59 km SE Sungaipenuh (pop 95,913 )
  • 226 km SE of Padang  (pop ~ 1  million)
  • 490 km (310 miles) SSW of SINGAPORE
  • 698 km (434 miles) NW of JAKARTA, Java, Indonesia

Southern Sumatra has region has experienced an average of about 5 earthquakes measuring 7 Mw or greater per year since 1900.

s sumatra 2
Earthquake Location Map. Original map: USGS/EHP. Enhanced by FEWW

South Sumatra seismic hazard neic_mfaf_w
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green. Source: USGS/EHP


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