My OperaBanda Earthquake
Saturday, January 28, 2006 5:29:59 PM
A major earthquake of magnitude 7.6 occurred yesterday on Friday, January 27, 2006 in the Banda Sea at a depth of around 346 km. This was by the way the same magnitude as the kashmir earthquake of october 2005, but ... deep instead of shallow, at sea instead of inland, so practically no damage, no casualties and no tsunami.
Deep earthquakes in subduction zones can be as deep as 700 km.
The plate tectonic situation is much more complex than at the Sunda trench, but (at least the southern part of) the subduction zone shown on my map sketch (as a dark blue line) to make half a circle around the centre of the Banda Sea is a continuation of the subduction zone south of Sumatra and Java. The Banda Arc is bounded by an inner volcanic arc and an accretionary outer arc of which Timor is the largest island.
See also my blog yesterday and the accompanying explanation at
Ole
Deep earthquakes in subduction zones can be as deep as 700 km.
- http://earthquake.usgs.gov/recenteqsww/Quakes/usika7.htm
- http://news.yahoo.com/s/ap/20060127/ap_on_re_as/indonesia_earthquake
- http://news.bbc.co.uk/1/hi/world/asia-pacific/4656130.stm
The plate tectonic situation is much more complex than at the Sunda trench, but (at least the southern part of) the subduction zone shown on my map sketch (as a dark blue line) to make half a circle around the centre of the Banda Sea is a continuation of the subduction zone south of Sumatra and Java. The Banda Arc is bounded by an inner volcanic arc and an accretionary outer arc of which Timor is the largest island.
See also my blog yesterday and the accompanying explanation at
Ole
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