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M7.7 earthquake on Tue, 14 Aug 02:59 UTC / 158km ENE of Poronaysk, Russia

Major mag. 7.7 earthquake - 158km ENE of Poronaysk, Russia on Tuesday, 14 August 2012

Major mag. 7.7 earthquake  - 158km ENE of Poronaysk, Russia on Tuesday, 14 August 2012
Date & time: Tuesday, 14 August 2012 02:59 UTC
Local time at epicenter: Tue, 14 Aug 2012 13:59
Magnitude: 7.7
Depth: 625.9 km
Epicenter latitude / longitude: 49.7843°N / 145.126°E (Russia)
Nearby towns and cities:
159 km (99 mi) NE of Poronaysk (pop: 16,700)
164 km (102 mi) E of Smirnykh (pop: 7,100)
Primary data source: USGS
Estimated released energy: 2.2 x 1016 joules (6219 gigawatt hours, equivalent to 5.4 x 106 tons of TNT or 334.4 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
Tue, 14 Aug 02:59 UTCM 7.7 / 611 km SEA OF OKHOTSKEMSC
Tue, 14 Aug 02:59 UTCM 7.7 / 572 kmSea of OkhotskGFZ
Tue, 14 Aug 02:59 UTCM 7.7 / 625.9 km158km ENE of Poronaysk, RussiaUSGS
Tue, 14 Aug 02:59 UTCM 7.7 / 626 kmSea of Okhotsk, RussiaGeoAu
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.
shake map
(shakemap: USGS)

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (modified Mercalli) scale.
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Yuzhno-Sakhalinsk (Russian Federation, 363 km SW of epicenter) : Vibration and after 0.5-1 minutes slow long-period movement of the floor like low sea waves (reported through EMSC)

Aftershocks of the 7.7 quake: 158km ENE of Poronaysk, Russia, 14 Aug 2012 02h59

Show info about this
List of recorded aftershocks, latest first (24 quakes):
  • 09 Aug 2014 22:37 UTC
    | M 4.4 |
    422.2 km (262.3 mi) depth
    |
    268 km (167 mi) distance
    | USGS | Details
  • 06 Jul 2014 16:19 UTC
    | M 4.3 |
    393 km (244.2 mi) depth
    |
    282 km (175 mi) distance
    | GFZ | Details
  • 03 Jul 2014 00:26 UTC
    | M 4.0 |
    5 km (3.1 mi) depth
    |
    270 km (168 mi) distance
    | EMSC | Details
  • 30 Jun 2014 20:58 UTC
    | M 4.7 |
    10 km (6.2 mi) depth
    |
    260 km (161 mi) distance
    | GFZ | Details
  • 30 Jun 2014 14:42 UTC
    | M 3.7 |
    10 km (6.2 mi) depth
    |
    255 km (158 mi) distance
    | EMSC | Details
  • 17 Jun 2014 22:43 UTC
    | M 3.8 |
    20 km (12.4 mi) depth
    |
    213 km (133 mi) distance
    | EMSC | Details
  • 24 Mar 2014 05:35 UTC
    | M 4.0 |
    10 km (6.2 mi) depth
    |
    244 km (151 mi) distance
    | EMSC | Details
  • 19 Feb 2014 12:49 UTC
    | M 5.2 |
    17.1 km (10.6 mi) depth
    |
    299 km (186 mi) distance
    | USGS | Details
  • 09 Feb 2014 21:19 UTC
    | M 4.2 |
    458.4 km (284.8 mi) depth
    |
    209 km (130 mi) distance
    | USGS | Details
  • 04 Jan 2014 15:23 UTC
    | M 4.1 |
    440 km (273.4 mi) depth
    |
    273 km (170 mi) distance
    | EMSC | Details
  • 12 Dec 2013 13:10 UTC
    | M 4.7 |
    13.8 km (8.6 mi) depth
    |
    213 km (132 mi) distance
    | USGS | Details
  • 10 Dec 2013 02:06 UTC
    | M 4.8 |
    10 km (6.2 mi) depth
    |
    150 km (93 mi) distance
    | EMSC | Details
  • 26 Nov 2013 15:56 UTC
    | M 3.9 |
    5 km (3.1 mi) depth
    |
    245 km (152 mi) distance
    | EMSC | Details
  • 14 Oct 2013 08:36 UTC
    | M 4.0 |
    10 km (6.2 mi) depth
    |
    202 km (126 mi) distance
    | EMSC | Details
  • 14 Oct 2013 02:31 UTC
    | M 3.9 |
    10 km (6.2 mi) depth
    |
    202 km (126 mi) distance
    | EMSC | Details
  • 09 Sep 2013 07:00 UTC
    | M 4.6 |
    548.4 km (340.8 mi) depth
    |
    207 km (129 mi) distance
    | USGS | Details
  • Show all

Map of aftershocks

Significant earthquakes in the same area since 1900

Major mag. 7.7 earthquake - 158km ENE of Poronaysk, Russia on Tuesday, 14 August 2012
 

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