Seismometer information details: Magnitude 4.6, off the west coast of northern Sumatra
Saturday, April 21, 2012 11:53:57 UTC
Saturday, April 21, 2012 05:53:57 PM at epicenter
Depth: 28.00 km (17.40 mi), Average earthquake depth.
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Read more about Date-Time, Location, Distances, Parameters at USGS.