Sismo leggero mag. 4.5 - Sea of Okhotsk, 22 km a sud ovest da Shikotan, Sakhalin Oblast, Russia, lunedì, 08 febbraio 2021 -

Sismo leggero mag. 4.5 - Sea of Okhotsk, 22 km a sud ovest da Shikotan, Sakhalin Oblast, Russia, lunedì, 08 febbraio 2021

Sismo leggero magnitudine 4.5 at 85 km depth

8 Feb 22:41 UTC: Primo a segnalare: EMSC dopo 5 minuti.
8 Feb 23:18: Magnitudine ricalcolata da 4.0 a 4.5. Profondità ricalcolata da 70.0 a 86.0 km (da 43 a 53 mi). Posizione dell'epicentro corretta di 19 km (12 mi) al NO.
8 Feb 23:19: Profondità ricalcolata da 86.0 a 100.0 km (da 53 a 62 mi). Posizione dell'epicentro corretta di 12 km (7.7 mi) al NO.
8 Feb 23:34: Profondità ricalcolata da 100.0 a 85.0 km (da 62 a 53 mi). Posizione dell'epicentro corretta di 8.4 km (5.2 mi) al ENE.
Data & ora: 8 Feb 2021 22:35:40 UTC -
Ora locale a epicentro: martedì, 9 feb 2021 08:35 (GMT +10)
Magnitudine: 4.5
Profondità: 85.0 km
Epicentro latitudine / longitudine: 43.64°N / 146.56°E (Sea of Okhotsk, Russia)
Vulcano più vicino: Mendeleev (101 km / 63 mi)
Nearby towns and cities:
22 km SO da Shikotan (pop: 2,100) --> Vedi sismi vicini
71 km SE da Yuzhno-Kurilsk (pop: 6,470) --> Vedi sismi vicini
87 km ENE da Nemuro (Giappone) (pop: 31,200) --> Vedi sismi vicini
115 km E da Shibetsu (Giappone) (pop: 21,700) --> Vedi sismi vicini
189 km ESE da Abashiri (Giappone) (pop: 42,500) --> Vedi sismi vicini
192 km ENE da Kushiro (Giappone) (pop: 183,600) --> Vedi sismi vicini
215 km E da Kitami (Giappone) (pop: 113,100) --> Vedi sismi vicini
283 km ENE da Obihiro (Giappone) (pop: 173,900) --> Vedi sismi vicini
446 km SE da Korsakov (pop: 35,100) --> Vedi sismi vicini
475 km SE da Južno-Sachalinsk (pop: 176,500) --> Vedi sismi vicini
23 km SO da Shikotan Island (pop: 2,100) --> Vedi sismi vicini
79 km SE da Kunajiri Island (pop: 7,000) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Overcast Clouds -4.5°C (24 F), humidity: 88%, wind: 14 m/s (26 kts) from WNW
Fonte dati primaria: EMSC (European-Mediterranean Seismological Centre)
Stima dell'energia sismica liberata: 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.
4.471 kmE OFF HOKKAIDO, RussiaNIED
4.586 km32 Km SSW of Shikotan, RussiaUSGS
4.591 kmKuril Islands, RussiaGFZ

User reports for this quake

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