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Strong mag. 6.1 earthquake - Chagos Archipelago Region (British Indian Ocean Territory) on Monday, 31 August 2020

Strong mag. 6.1 earthquake - Chagos Archipelago Region (British Indian Ocean Territory) on Monday, 31 August 2020

Strong mag. 6.1 earthquake  - Chagos Archipelago Region (British Indian Ocean Territory) on Monday, 31 August 2020
31 Aug 17:32 UTC: First to report: GFZ after 9 minutes.
Aug 31 17:34: Magnitude recalculated from 5.9 to 5.8.
Aug 31 18:12: Magnitude recalculated from 5.8 to 6.1.
Date & time: Monday, 31 August 2020 17:24 UTC
Magnitude: 6.1
Depth: 10.0 km
Epicenter latitude / longitude: 3.96°S / 70.07°E (British Indian Ocean Territory)
Primary data source: GFZ
Estimated released energy: 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) [learn more]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
TimeMag. / DepthLocationSource
Mon, 31 Aug 17:24 UTCM 6.1 / 10 kmChagos Archipelago Region (British Indian Ocean Territory)GFZ
Mon, 31 Aug 17:24 UTCM 6.2 / 10 kmChagos Archipelago Region (British Indian Ocean Territory)EMSC
Mon, 31 Aug 17:24 UTCM 6.2 / 10 kmChagos Archipelago Region (British Indian Ocean Territory)BMKG
Mon, 31 Aug 17:24 UTCM 6.1 / 10 kmChagos Archipelago region (British Indian Ocean Territory)USGS
Mon, 31 Aug 17:24 UTCM 6.3 / 13.4 kmChagos Archipelago Region (British Indian Ocean Territory)GeoAu
Mon, 31 Aug 17:24 UTCM 6.0 / 10.2 kmBritish Indian Ocean Territory [Sea]INGV

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (modified Mercalli) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own experience report!
Mauritius (2268.2 km SW of epicenter) [Map] / not felt : For a few weeks now, dolphins' mass stranding on Mauritian beaches in the South East. There has been quite a few earthquakes since 3 August from South Indian ridge to Tanzania shores, Mozambique and Chagos Islands. What are the effects on doplhins as some research work say that they know about earthquakes beforehand. | 3 users found this interesting.
Mahebourg (2267.4 km SW of epicenter) [Map] / not felt
Mauritius / not felt : Sea was very rough in the North of Mauritius. A ship had an accident and sunk. Fishermen say that waves were extremely violent and they saw death. Out of 8, three are dead, still searching for one, and three are saved. | 3 users found this interesting.
Java / Very weak shaking (MMI II) / single lateral shake / very short : Yess correct EMSC it must be above 6.0 | 7 users found this interesting.
water / Violent shaking (MMI IX) / complex motion difficult to describe : scary | 3 users found this interesting.
  • Water is more complex than most know. Is is proven your thoughts, emotions affect change in water. Demonstrates the power of thought. Hold love in your heart.
Chile strong / Very strong shaking (MMI VII) / rattling, vibrating : Yesterday there was an earthquake in Chile in the Atacama area and magnitude was 7.00 | One user found this interesting.
Port Mathurin / Very weak shaking (MMI II) : Slight tremor. Dogs barking everywhere | One user found this interesting.
Le Hochet, Terre Rouge / not felt
Mauritius / not felt
Mauritius / not felt
Addu / Very weak shaking (MMI II)
Addu city / not felt
Addu City / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
(Maldives, 984 km N of epicenter) : Ground feels like I'm floundering in quick sands (reported through EMSC)

Aftershocks of the 6.1 quake: Chagos Archipelago Region (British Indian Ocean Territory), 31 Aug 2020 17h24

Show info about this
List of recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.

Map of aftershocks

Significant earlier earthquakes in the same area since 1900

Strong mag. 6.1 earthquake - Chagos Archipelago Region (British Indian Ocean Territory) on Monday, 31 August 2020

Map of earlier quakes

 

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