Seismicity of the Sumatra coast
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Seismicity of the Sumatran coast identifies and describes the seismic activity of an area of western Indonesia near the island of Sumatra. Seismicity refers to the frequency, type and size of earthquakes experienced over a period of time. The Sumatran coast is in the subduction zone where the Indian plate meets the Burma plate beneath the Andaman Sea, forming the northern part of the Sunda trench. The shallow seismicity is characteristically distributed across a wide area of plate movement.[1] The Sunda trench is also closely related to the Sumatran Fault, a transform fault running the entire length of the island.
