Major magnitude 7.6 earthquake - North Pacific Ocean, 134 km southeast of Kuril'sk, Sakhalin Oblast, Russia, on Friday, March 24, 1978 at 19:47 (GMT)

Major magnitude 7.6 earthquake - North Pacific Ocean, 134 km southeast of Kuril\'sk, Sakhalin Oblast, Russia, on Friday, March 24, 1978 at 19:47 (GMT)

Major magnitude 7.6 earthquake at 33 km depth

1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Date & time: Mar 24, 1978 19:47:50 UTC
Magnitude: 7.6
Depth: 33.0 km
Epicenter latitude / longitude: 44.244°N / 148.862°E (North Pacific Ocean, Russia)
Antipode: 44.244°S / 31.138°W
Nearest volcano: Grozny (114 km / 71 mi)
Nearby towns and cities:
134 km (83 mi) SE of Kuril'sk (pop: 1,720) --> See nearby quakes!
178 km (111 mi) ENE of Shikotan (pop: 2,100) --> See nearby quakes!
240 km (149 mi) E of Otrada (pop: 3,220) --> See nearby quakes!
241 km (150 mi) E of Yuzhno-Kurilsk (pop: 6,470) --> See nearby quakes!
283 km (176 mi) ENE of Nemuro (Japan) (pop: 31,200) --> See nearby quakes!
306 km (190 mi) ENE of Shibetsu (Japan) (pop: 21,700) --> See nearby quakes!
367 km (228 mi) E of Abashiri (Japan) (pop: 42,500) --> See nearby quakes!
384 km (239 mi) E of Motomachi (Abashiri District, Japan) (pop: 23,000) --> See nearby quakes!
388 km (241 mi) ENE of Kushiro (Japan) (pop: 183,600) --> See nearby quakes!
401 km (249 mi) E of Kitami (Japan) (pop: 113,100) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.6 x 1016 joules (4402 gigawatt hours, equivalent to 3.8 x 106 tons of TNT or 236.7 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.
Mag.DepthLocationSource
7.633 kmKuril Islands (Russia)USGS
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!
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Aftershocks

More info

Recorded aftershocks, latest first (645 quakes)

  • 10 Mar 1980 00:26 UTC
    | M 5.0 |
    48 km (29.8 mi) depth
    |
    193 km (120 mi) distance
    | USGS | Details
  • 05 Mar 1980 16:35 UTC
    | M 4.5 |
    52 km (32.3 mi) depth
    |
    250 km (155 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14217 km (8834 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14217 km (8834 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14217 km (8834 mi) distance
    | | Details
  • 03 Mar 1980 17:19 UTC
    | M 5.5 |
    33 km (20.5 mi) depth
    |
    175 km (109 mi) distance
    | USGS | Details
  • 03 Mar 1980 17:01 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    136 km (85 mi) distance
    | USGS | Details
  • 03 Mar 1980 16:03 UTC
    | M 4.8 |
    33 km (20.5 mi) depth
    |
    132 km (82 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14217 km (8834 mi) distance
    | | Details
  • 03 Mar 1980 15:22 UTC
    | M 5.0 |
    33 km (20.5 mi) depth
    |
    132 km (82 mi) distance
    | USGS | Details
  • 29 Feb 1980 22:46 UTC
    | M 4.9 |
    72 km (44.7 mi) depth
    |
    181 km (113 mi) distance
    | USGS | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14217 km (8834 mi) distance
    | | Details
  • 01 Jan 1970 00:00 UTC
    | M |
    0 km (0 mi) depth
    |
    14217 km (8834 mi) distance
    | | Details
  • 27 Feb 1980 23:02 UTC
    | M 5.6 |
    36 km (22.4 mi) depth
    |
    191 km (119 mi) distance
    | USGS | Details
  • 27 Feb 1980 12:44 UTC
    | M 5.9 |
    42 km (26.1 mi) depth
    |
    195 km (121 mi) distance
    | USGS | Details
  • 26 Feb 1980 12:19 UTC
    | M 5.0 |
    38 km (23.6 mi) depth
    |
    189 km (118 mi) distance
    | USGS | Details
  • Show all

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