Very strong mag. 6.1 earthquake - 148 km southeast of Shikotan, Sakhalin Oblast, Russia, on Friday, August 15, 1969 at 10:02 GMT
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Very strong magnitude 6.1 earthquake at 25 km depth
Earthquake details
| Date & time | Aug 15, 1969 10:02:19 UTC |
| Local time at epicenter | |
| Status | Confirmed |
| Magnitude | 6.1 |
| Depth | 25.0 km |
| Epicenter latitude / longitude | 43.11°N / 148.292°E  (North Pacific Ocean, Russia) |
| Antipode | 43.11°S / 31.708°W |
| Shaking intensity | Strong shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Berutarube (185 km / 115 mi) |
| Nearby towns and cities | 148 km (92 mi) ESE of Shikotan (pop: 2,100) | Show on map | Quakes nearby 221 km (137 mi) ESE of Yuzhno-Kurilsk (pop: 6,470) | Show on map | Quakes nearby 222 km (138 mi) E of Nemuro (Japan) (pop: 31,200) | Show on map | Quakes nearby 223 km (138 mi) ESE of Otrada (pop: 3,220) | Show on map | Quakes nearby 238 km (148 mi) S of Kuril'sk (pop: 1,720) | Show on map | Quakes nearby 263 km (163 mi) ESE of Shibetsu (Japan) (pop: 21,700) | Show on map | Quakes nearby 319 km (198 mi) E of Kushiro (Japan) (pop: 183,600) | Show on map | Quakes nearby 340 km (211 mi) ESE of Abashiri (Japan) (pop: 42,500) | Show on map | Quakes nearby 348 km (216 mi) E of Motomachi (Abashiri District, Japan) (pop: 23,000) | Show on map | Quakes nearby 364 km (226 mi) E of Kitami (Japan) (pop: 113,100) | 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 | 25 km | east of the 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 (14 quakes)
Date and time | Mag Depth | Location | Details |
| Feb 3, 1970 19:17 52 years ago | 5.7 29 km | Russia | More |
| Feb 2, 1970 18:05 52 years ago | 5.8 26 km | Russia | More |
| Feb 2, 1970 17:22 52 years ago | 5.7 31 km | Russia | More |
| Dec 28, 1969 04:53 53 years ago | 5.7 29 km | 100 km SE of Shikotan, Sakhalin Oblast, Russia | More |
| Sep 29, 1969 17:58 53 years ago | 5.8 25 km | 99 km SE of Shikotan, Sakhalin Oblast, Russia | More |
| Sep 13, 1969 11:52 53 years ago | 5.7 34 km | Russia, 169 km E of Nemuro, Hokkaido, Japan | 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 28, 1969 21:35 53 years ago | 5.8 26 km | Russia, 177 km E of Nemuro, Hokkaido, Japan | More |
| Aug 27, 1969 03:26 53 years ago | 5.7 35 km | Russia, 178 km E of Nemuro, Hokkaido, Japan | More |
| Aug 22, 1969 04:40 53 years ago | 5.8 25 km | Russia, 199 km E of Nemuro, Hokkaido, Japan | More |
| Aug 21, 1969 13:24 53 years ago | 5.8 29 km | 187 km E of Yuzhno-Kurilsk, Sakhalin Oblast, Russia | More |
| Aug 16, 1969 17:13 53 years ago | 5.6 33 km | Russia, 170 km E of Nemuro, Hokkaido, Japan | More |
| Aug 16, 1969 15:15 53 years ago | 5.8 33 km | 90 km SE of Shikotan, Sakhalin Oblast, Russia | More |
Earlier earthquakes in the same area
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