1983 Chagos Archipelago earthquake
  | |
| UTC time | ?? |
|---|---|
| ISC event | |
| USGS-ANSS | |
| Date * | 30 November 1983 |
| Local date | |
| Local time | |
| Magnitude | Ms 7.7 |
| Depth | 10 km |
| Epicenter | 6°51′S 72°07′E / 6.85°S 72.11°E |
| * Deprecated | See documentation. |
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.[1][2]
References
- ↑ "Archived copy" (PDF). Archived from the original (PDF) on 2011-06-14. Retrieved 2010-10-16.
- ↑ https://earthquake.usgs.gov/earthquakes/eqarchives/significant/sig_1983.php
External links
- The International Seismological Centre has a bibliography and/or authoritative data for this event.
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