Moderate mag. 4.9 earthquake - Philippines Sea, 77 km south of Nishinoomote, Kagoshima, Japan, on Friday, 12 Feb 2021 1:52 pm (GMT +9) -
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Séisme modéré magnitude 4.9 at 38 km depth
12 Feb 05:01 UTC: Premier à signaler: EMSC après 9 minutes.
12 Feb 05:14: Magnitude recalculée de 4.6 à 4.9. Profondeur recalculée de 10.0 à 40.0 km (de 6.2 à 25 mi). Emplacement de l'épicentre corrigé de 39 km (24 mi) au WNW.
12 Feb 06:23: Profondeur recalculée de 40.0 à 30.0 km (de 25 à 18.6 mi). Emplacement de l'épicentre corrigé de 15 km (9.5 mi) au NNW.
12 Feb 09:54: Profondeur recalculée de 30.0 à 38.0 km (de 18.6 à 24 mi). Emplacement de l'épicentre corrigé de 15 km (9.3 mi) au SSE.
12 Feb 05:14: Magnitude recalculée de 4.6 à 4.9. Profondeur recalculée de 10.0 à 40.0 km (de 6.2 à 25 mi). Emplacement de l'épicentre corrigé de 39 km (24 mi) au WNW.
12 Feb 06:23: Profondeur recalculée de 40.0 à 30.0 km (de 25 à 18.6 mi). Emplacement de l'épicentre corrigé de 15 km (9.5 mi) au NNW.
12 Feb 09:54: Profondeur recalculée de 30.0 à 38.0 km (de 18.6 à 24 mi). Emplacement de l'épicentre corrigé de 15 km (9.3 mi) au SSE.
Update Fri, 12 Feb 2021, 05:06
Moderate earthquake of magnitude 4.6 just reported 98 km southeast of Koseda, Japan4.6 quake 12 Feb 1:52 pm (GMT +9)
the European-Mediterranean Seismological Centre (EMSC) reported a magnitude 4.6 quake in Japan near Koseda, Kumage-gun, Kagoshima, only 14 minutes ago. The earthquake hit around noon on Friday 12 February 2021 at 1:52 pm local time at a shallow depth of 10 km. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Koseda (pop. 2,300) located 98 km from the epicenter, and Nishinoomote (pop. 17,800) 104 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you’re in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.
Towns or cities near the epicenter where the quake might have been felt as very weak shaking include Koseda (pop. 2,300) located 98 km from the epicenter, and Nishinoomote (pop. 17,800) 104 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you’re in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.
Earthquake data:
Date & time: 12 Feb 2021 04:52:25 UTC -
Local time at epicenter: vendredi, 12 févr. 2021 13:52 (GMT +9)
Magnitude: 4.9
Profondeur: 38.0 km
Epicenter latitude / longitude: 30.05°N / 131.12°E
(Philippines Sea, Japon)Volcan le plus près: Kuchinoerabu-jima (137 km / 85 mi)
Nearby towns and cities:
59 km SE de Koseda (pop: 2,350) --> Voir les séismes à proximité!
71 km ESE de Kurio (pop: 1,800) --> Voir les séismes à proximité!
77 km S de Nishinoomote (pop: 17,800) --> Voir les séismes à proximité!
139 km SSE de Ibusuki (pop: 29,700) --> Voir les séismes à proximité!
151 km S de Kanoya (pop: 82,300) --> Voir les séismes à proximité!
177 km SSE de Kagoshima (pop: 555,400) --> Voir les séismes à proximité!
187 km S de Miyakonojō (pop: 131,000) --> Voir les séismes à proximité!
210 km S de Miyazaki (pop: 311,200) --> Voir les séismes à proximité!
309 km S de Kumamoto (pop: 680,400) --> Voir les séismes à proximité!
400 km S de Fukuoka (pop: 1,392,300) --> Voir les séismes à proximité!
98 km ESE de Kuchinoerabu-jima Island (pop: 147) --> Voir les séismes à proximité!
Weather at epicenter at time of quake:
Overcast Clouds
16.1°C (61 F), humidity: 76%, wind: 12 m/s (23 kts) from ENE
Primary data source: EMSC (European-Mediterranean Seismological Centre)Overcast Clouds
16.1°C (61 F), humidity: 76%, wind: 12 m/s (23 kts) from ENEEstimated released energy: 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) Plus d'infos
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.
| Magnitude | Profondeur | Lieu | Source |
| 4.9 | 38 km | KYUSHU, JAPAN | EMSC |
| 4.9 | 38 km | 59 Km SE of Koseda, Japan | USGS |
| 4.8 | 40 km | Kyushu, Japan | BMKG |
| 4.8 | 36 km | Kyushu, Japan | GFZ |
User reports for this quake
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