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

Forte terremoto magnitudine 6.1 - Territorio britannico dell’Oceano Indiano, 502 km southwest da Hithadhoo (Addu City, Seenu, Maldive), lunedì, 31 agosto 2020

- Forte terremoto magnitudine 6.1 - Territorio britannico dell’Oceano Indiano, 502 km southwest da Hithadhoo (Addu City, Seenu, Maldive), lunedì, 31 agosto 2020

Strong magnitude 6.1 earthquake at 10 km depth

31 Aug 17:32 UTC: Primo a segnalare: GFZ dopo 9 minuti.
Aug 31 17:34: Magnitudine ricalcolata da 5.9 a 5.8.
Aug 31 18:12: Magnitudine ricalcolata da 5.8 a 6.1.
Data & ora: 31 Aug 2020 05:24:05 UTC -
Magnitudine: 6.1
Profondità: 10.0 km
Epicentro latitudine / longitudine: 3,96°S / 70,07°E (Territorio britannico dell’Oceano Indiano)
Nearby towns and cities:
502 km SW da Hithadhoo (Addu City, Maldive) (pop: 9,930)
552 km SW da Fuvahmulah (Maldive) (pop: 11,100)
596 km SSW da Thinadhoo (Gaafu Dhaalu Atoll, Maldive) (pop: 6,380)
644 km SW da Viligili (Gaafu Alifu Atoll, Maldive) (pop: 2,930)
749 km SSW da Fonadhoo (Laamu Atoll, Maldive) (pop: 1,770)
762 km SSW da Veymandoo (Thaa Atoll, Maldive) (pop: 1,100)
802 km SSW da Kudahuvadhoo (Dhaalu Atoll, Maldive) (pop: 1,560)
858 km SSW da Muli (Maldive) (pop: 1,010)
Fonte dati primaria: GFZ
Stima dell'energia sismica liberata: 8,9 x 1013 joules (24,8 gigawatt hours, equivalent to 21301 tons of TNT or 1,3 atomic bombs!) More info
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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.
MagnitudineProfonditàUbicazioneFonte
M 6.110 kmChagos Archipelago Region (British Indian Ocean Territory)GFZ
M 6.210 kmChagos Archipelago Region (British Indian Ocean Territory)EMSC
M 6.210 kmChagos Archipelago Region (British Indian Ocean Territory)BMKG
M 6.110 kmChagos Archipelago region (British Indian Ocean Territory)USGS
M 6.313 kmChagos Archipelago Region (British Indian Ocean Territory)GeoAu
M 6.010.2 kmBritish Indian Ocean Territory [Sea]INGV

User reports for this quake (14)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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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)
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Aftershocks of the 6.1 quake British Indian Ocean Territory, 502 km southwest of Hithadhoo (Addu City, Seenu, Maldives), 31 August 17:24 UTC

More info
Recorded aftershocks, latest first (1 quakes):
  • 01 Oct 2020 21:07 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    25 km (16 mi) distance
    | USGS | Details

Earlier earthquakes in the same area since 1900

Strong mag. 6.1 earthquake - British Indian Ocean Territory, 502 km southwest of Hithadhoo (Addu City, Seenu, Maldives), on Monday, 31 August 2020 at 17:24 (GMT)

Map of earlier quakes

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