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227:. 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
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occurred on
November 30 at 17:46 UTC (23:46 local time) in the region of the
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ISC-GEM Global
Instrumental Earthquake Catalogue (1904–2018)
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indicates earthquake resulting in at least 30 deaths
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519:indicates the deadliest earthquake of the year
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219:of 7.7. This earthquake occurred in the
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332:"Significant Earthquakes of the World"
316:: CS1 maint: archived copy as title (
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354:International Seismological Centre
264:International Seismological Centre
201:1983 Chagos Archipelago earthquake
17:1983 Chagos Archipelago earthquake
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209:British Indian Ocean Territory
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86:November 30, 1983
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211:. This earthquake had a
135:10 km (6.2 mi)
217:surface wave magnitude
225:Central Indian Ridge
537:Earthquakes in Asia
451:(5.3, September 10)
402:Earthquakes in 1983
157: /
52:1983-11-30 17:46:00
18:
557:1983 in Seychelles
547:Chagos Archipelago
496:(7.4, December 30)
490:(7.7, November 30)
488:Chagos Archipelago
484:(6.7, November 16)
475:(5.7, November 7)
463:(6.9, October 30)
362:authoritative data
205:Chagos Archipelago
524:
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502:(4.7, November 8)
457:(6.9, October 28)
273:10.31905/D808B825
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542:1983 earthquakes
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334:. Archived from
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213:moment magnitude
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287:"Archived copy"
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98:Local time
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347:External links
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338:on 2009-12-04.
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161:6.85°S 72.11°E
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416:1983 Popayán
358:bibliography
336:the original
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301:. Retrieved
294:the original
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256:ISC (2022),
251:
231:reported in
221:Indian Plate
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166:-6.85; 72.11
164: /
60: event
531:Categories
494:Hindu Kush
455:Borah Peak
303:2010-10-16
243:References
237:Seychelles
90:1983-11-30
49: time
223:near the
180:intensity
140:Epicenter
106:Magnitude
449:Kopaonik
422:Coalinga
312:cite web
233:Victoria
186:MMI VI (
461:Erzurum
428:Noshiro
360:and/or
229:tsunami
152:72°07′E
88: (
482:Kaoiki
356:has a
188:Strong
149:6°51′S
77:ComCat
64:565767
500:Liège
443:Luzon
297:(PDF)
290:(PDF)
132:Depth
101:23:46
70:USGS-
473:Heze
437:Biga
352:The
318:link
215:and
199:The
178:Max.
119:7.7
109:7.7
72:ANSS
268:doi
58:ISC
47:UTC
533::
314:}}
310:{{
266:,
239:.
235:,
207:,
517:‡
512:†
477:†
468:‡
465:†
432:†
405:→
399:←
391:e
384:t
377:v
320:)
306:.
270::
190:)
124:s
122:M
114:w
112:M
92:)
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