Magnitude 8.6 Off the West Coast of Northern Sumatra
A magnitude 8.6 earthquake occurred about 260 miles off the Aceh coast of northern Sumatra. This M 8.6 great earthquake was followed by a (continuing) vigorous aftershock sequence including a M 8.2 about two hours later.
EarthScope Consortium operates the NSF Geodetic Facility for the Advancement of Geoscience (GAGE) and NSF
Seismological Facility for the Advancement of Geoscience (SAGE). Any opinions, findings and conclusions, or
recommendations expressed in this material do not necessarily reflect the views of the U.S. National Science
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