Supriya Ghosh

1983 Chagos Archipelago earthquake

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Magnitude  Ms 7.7
Depth  10 km
1983 Chagos Archipelago earthquake
Date  30 November 1983 (1983-11-30)

The 1983 Chagos Archipelago earthquake occurred on November 30 at 17:46 UTC in the region of the Chagos Archipelago, British Indian Ocean Territory. This earthquake had a magnitude of Ms 7.7. This earthquake occurred in the Indian Plate near the Central Indian Ridge. The Central Indian Ridge is unusually active in near-ridge earthquakes. The intense seismic activity in this region may indicate an early stage of converging plate boundary, which is responsible for the N-S extension near Chagos. There was a 40 cm tsunami reported in Victoria, Seychelles.

References

1983 Chagos Archipelago earthquake Wikipedia


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