Great magnitude 8.2 earthquake - Off the West Coast of Northern Sumatra on Wednesday, 11 April 2012 at 10:43 (GMT)

This quake was likely an aftershock of the 8.6 quake off the west coast of northern Sumatra (Indonesia) 11 April 08:38 UTC, which had occurred 2 heures et 5 minutes earlier.
Great magnitude 8.2 earthquake  - Off the West Coast of Northern Sumatra on Wednesday, 11 April 2012 at 10:43 (GMT)

Great magnitude 8.2 earthquake at 25 km depth

Date & time: 11 Apr 2012 10:43:10 UTC###AGESTRINGCOPY###
Magnitude: 8.2
Profondeur: 25.1 km
Epicenter latitude / longitude: 0.802°N / 92.463°E (international territory)
Nearby towns and cities:
474 km WSW de Sinabang (Kabupaten Simeulue, Aceh, Indonésie) (pop: 15,000)
551 km SW de Meulaboh (Kabupaten Aceh Barat, Indonésie) (pop: 35,100)
615 km WSW de Singkil (Municipio de San Pedro Ayampuc, Aceh, Indonésie) (pop: 46,800)
616 km SSW de Banda Aceh (Indonésie) (pop: 250,800)
710 km W de Sibolga (Central Banat, North Sumatra, Indonésie) (pop: 79,700)
713 km SW de Lhokseumawe (Chittagong, Aceh, Indonésie) (pop: 89,000)
738 km WSW de Binjai (North Sumatra, Indonésie) (pop: 228,800)
750 km WSW de Sunggal (Sobral, North Sumatra, Indonésie) (pop: 157,900)
Primary data source: USGS
Estimated released energy: 1.3 x 1017 joules (34970 gigawatt hours, equivalent to 3 x 107 tons of TNT or 1880.6 atomic bombs!) [learn more]
[smaller] [bigger]
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.
M 8.225 kmoff the west coast of northern SumatraUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
Volcanoes & Earthquakes - new app for Android

Earlier earthquakes in the same area since 1900

Great magnitude 8.2 earthquake - Off the West Coast of Northern Sumatra on Wednesday, 11 April 2012 at 10:43 (GMT)

Map of earlier quakes

Volcanoes & Earthquakes - new app for Android

Plus sur VolcanoDiscovery

Why is there advertising on this site?

Support us!

Maintaining the website and our free apps is a time- and cost-intensive effort.
If you find the information useful and would like to support our team to develop further features and get the upgraded ad-free version, consider making a donation (PayPal or Online cc payment).
Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
Thanks to your past donations, these features have been added recently:
  • Earthquake archive back to 1900
  • Additional data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyright: VolcanoDiscovery ou autres sources indiquées.
Utilisation des documents: Les textes, les images et les vidéos de ce site internet sont protégées par copyright. Toute reproduction et tout usage sans accord préalable ne sont pas autorisés. Si vous désirez acquérir pour certains documents (photos, vidéos, textes ou autres) le droit de reproduction, d'édition et, plus généralement, de toute utilisation destinée à un usage public, qu'elle soit commerciale ou pas, vous êtes priés de nous contacter.