Light mag. 4.5 earthquake - Sea of Okhotsk, 22 km southwest of Shikotan, Sakhalin Oblast, Russia, on Tuesday, 9 Feb 2021 8:35 am (GMT +10) -

Light mag. 4.5 earthquake - Sea of Okhotsk, 22 km southwest of Shikotan, Sakhalin Oblast, Russia, on Tuesday, 9 Feb 2021 8:35 am (GMT +10)

Light magnitude 4.5 earthquake at 85 km depth

8 Feb 22:41 UTC: First to report: EMSC after 5 minutes.
8 Feb 23:18: Magnitude recalculated from 4.0 to 4.5. Hypocenter depth recalculated from 70.0 to 86.0 km (from 43 to 53 mi). Epicenter location corrected by 19 km (12 mi) towards NW.
8 Feb 23:19: Hypocenter depth recalculated from 86.0 to 100.0 km (from 53 to 62 mi). Epicenter location corrected by 12 km (7.7 mi) towards NW.
8 Feb 23:34: Hypocenter depth recalculated from 100.0 to 85.0 km (from 62 to 53 mi). Epicenter location corrected by 8.4 km (5.2 mi) towards ENE.
Date & time: 8 Feb 2021 22:35:40 UTC -
Local time at epicenter: Tuesday, 9 Feb 2021 8:35 am (GMT +10)
Magnitude: 4.5
Depth: 85.0 km
Epicenter latitude / longitude: 43.64°N / 146.56°E (Sea of Okhotsk, Russia)
Nearest volcano: Mendeleev (101 km / 63 mi)
Nearby towns and cities:
22 km (14 mi) SW of Shikotan (pop: 2,100) --> See nearby quakes!
71 km (44 mi) SE of Yuzhno-Kurilsk (pop: 6,470) --> See nearby quakes!
87 km (54 mi) ENE of Nemuro (Japan) (pop: 31,200) --> See nearby quakes!
115 km (71 mi) E of Shibetsu (Japan) (pop: 21,700) --> See nearby quakes!
189 km (117 mi) ESE of Abashiri (Japan) (pop: 42,500) --> See nearby quakes!
192 km (119 mi) ENE of Kushiro (Japan) (pop: 183,600) --> See nearby quakes!
215 km (134 mi) E of Kitami (Japan) (pop: 113,100) --> See nearby quakes!
283 km (176 mi) ENE of Obihiro (Japan) (pop: 173,900) --> See nearby quakes!
446 km (277 mi) SE of Korsakov (pop: 35,100) --> See nearby quakes!
475 km (295 mi) SE of Yuzhno-Sakhalinsk (pop: 176,500) --> See nearby quakes!
23 km (14 mi) SW of Shikotan Island (pop: 2,100) --> See nearby quakes!
79 km (49 mi) SE of Kunajiri Island (pop: 7,000) --> See nearby quakes!
Weather at epicenter at time of quake:
Overcast Clouds -4.5°C (24 F), humidity: 88%, wind: 14 m/s (26 kts) from WNW
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 3.5 x 1011 joules (98.6 megawatt hours, equivalent to 84.8 tons of TNT) 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.
MagnitudeDepthLocationSource
4.585 kmKURIL ISLANDS, RussiaEMSC
4.471 kmE OFF HOKKAIDO, RussiaNIED
4.586 km32 Km SSW of Shikotan, RussiaUSGS
4.591 kmKuril Islands, RussiaGFZ

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Earlier earthquakes in the same area since 1900


Map of earlier quakes

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