Strong mag. 6.1 earthquake - 93 km east of Shikotan, Sakhalin Oblast, Russia, on Wednesday, August 13, 1969 at 08:31 GMT
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Strong magnitude 6.1 earthquake at 35 km depth
Earthquake details
| Date & time | Aug 13, 1969 08:31:34 UTC |
| Local time at epicenter | |
| Status | Confirmed |
| Magnitude | 6.1 |
| Depth | 35.0 km |
| Epicenter latitude / longitude | 43.999°N / 147.853°E  (North Pacific Ocean, Russia) |
| Antipode | 43.999°S / 32.147°W |
| Shaking intensity | Moderate shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Urbich Caldera (85 km / 53 mi) |
| Nearby towns and cities | 93 km (58 mi) ENE of Shikotan (pop: 2,100) | Show on map | Quakes nearby 137 km (85 mi) S of Kuril'sk (pop: 1,720) | Show on map | Quakes nearby 159 km (99 mi) E of Otrada (pop: 3,220) | Show on map | Quakes nearby 159 km (99 mi) E of Yuzhno-Kurilsk (pop: 6,470) | Show on map | Quakes nearby 198 km (123 mi) ENE of Nemuro (Japan) (pop: 31,200) | Show on map | Quakes nearby 222 km (138 mi) E of Shibetsu (Japan) (pop: 21,700) | Show on map | Quakes nearby 287 km (178 mi) E of Abashiri (Japan) (pop: 42,500) | Show on map | Quakes nearby 303 km (188 mi) ENE of Kushiro (Japan) (pop: 183,600) | Show on map | Quakes nearby 318 km (198 mi) E of Kitami (Japan) (pop: 113,100) | Show on map | Quakes nearby 394 km (245 mi) ENE of Obihiro (Japan) (pop: 173,900) | Show on map | Quakes nearby |
| Estimated seismic energy released | 8.9 x 1013 joules (24.8 gigawatt hours, equivalent to 21301 tons of TNT or 1.3 atomic bombs!) | about seismic energy |
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. | Depth | Location | Source |
| 6.1 | 35 km | Kuril Islands (Russia) | USGS |
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Aftershocks
[More info]
Recorded aftershocks, latest first (10 quakes)
Date and time | Mag Depth | Location | Details |
| Oct 25, 1969 12:03 53 years ago | 5.6 45 km | 97 km E of Shikotan, Sakhalin Oblast, Russia | More |
| Sep 27, 1969 04:02 53 years ago | 5.6 49 km | 41 km E of Shikotan, Sakhalin Oblast, Russia | More |
| Sep 6, 1969 07:43 53 years ago | 5.7 42 km | 61 km E of Shikotan, Sakhalin Oblast, Russia | More |
| Sep 4, 1969 21:12 53 years ago | 5.7 30 km | 59 km E of Shikotan, Sakhalin Oblast, Russia | More |
| Aug 30, 1969 08:28 53 years ago | 6.1 27 km | 90 km E of Shikotan, Sakhalin Oblast, Russia | More |
| Aug 30, 1969 07:11 53 years ago | 6.4 26 km | 94 km E of Shikotan, Sakhalin Oblast, Russia | More |
| Aug 21, 1969 13:24 53 years ago | 5.8 29 km | 187 km E of Yuzhno-Kurilsk, Sakhalin Oblast, Russia | More |
| Aug 19, 1969 08:49 53 years ago | 6.6 27 km | 183 km E of Yuzhno-Kurilsk, Sakhalin Oblast, Russia | More |
| Aug 18, 1969 11:43 53 years ago | 5.8 25 km | 143 km E of Shikotan, Sakhalin Oblast, Russia | More |
| Aug 13, 1969 22:57 53 years ago | 6.3 31 km | 191 km E of Yuzhno-Kurilsk, Sakhalin Oblast, Russia | More |
Earlier earthquakes in the same area
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