What the records say
- When
- 30 Nov 1983
- Kind
- Tsunami
- Coordinates
- 6.85° S, 72.11° E
- Max water height m
- 1.5
- Source quake magnitude
- 7.7
- Runups
- 3
Placed at the area, not an exact site.
1983 Chagos Archipelago earthquake
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 moment magnitude and surface-wave magnitude of 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.
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The source
- NCEI significant earthquakes, tsunamis and volcanic eruptionsNOAA National Centers for Environmental InformationPublic domainSource page