Moderato terremoto magnitudine 5.8 - 275 km southeast da Tokyo, Giappone, sabato, 03 ottobre 2020 -

Moderato terremoto magnitudine 5.8 - 275 km southeast da Tokyo, Giappone, sabato, 03 ottobre 2020

Moderate magnitude 5.8 earthquake at 52 km depth

3 Oct 09:39 UTC: Primo a segnalare: GFZ dopo 8 minuti.
3 Oct 09:40: Profondità ricalcolata da 59.0 a 64.0 km (da 37 a 40 mi). Posizione dell'epicentro corretta di 8.4 km (5.2 mi) al O.
3 Oct 09:54: Magnitudine ricalcolata da 5.7 a 5.8. Profondità ricalcolata da 64.0 a 52.0 km (da 40 a 32 mi). Posizione dell'epicentro corretta di 19.3 km (12 mi) al SO.
Data & ora: 3 Oct 2020 09:31:33 UTC -
Ora locale a epicentro: 3 Oct 6:31 pm (GMT +9)
Magnitudine: 5.8
Profondità: 52.0 km
Epicentro latitudine / longitudine: 33,43°N / 140,9°E (Giappone)
Vulcano più vicino: Hachijo-jima (129 km / 80 mi)
Nearby towns and cities:
198 km SSE da Katsuura (pop: 22,300)
229 km SSE da Mobara (pop: 97,300)
235 km SSE da Kisarazu (pop: 122,500)
235 km SSE da Yokosuka (pop: 429,000)
243 km SSE da Kamakura (pop: 166,000)
244 km SSE da Ichihara (pop: 283,500)
251 km SSE da Yokohama (pop: 3,574,400)
275 km SSE da Tokyo (pop: 8,336,600)
Weather at epicenter at time of quake:
Overcast Clouds 23.9°C (75 F), humidity: 67%, wind: 7 m/s (15 kts) from ENE
Fonte dati primaria: GFZ
Stima dell'energia sismica liberata: 3,2 x 1013 joules (8,78 gigawatt hours, equivalent to 7558 tons of TNT or 0,5 atomic bombs!) 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.
M 5.852 kmSoutheast of Honshu, JapanGFZ
M 5.860 kmIzu Islands, Japan RegionEMSC
M 5.963 kmSoutheast of Honshu, JapanGeoAu
M 5.559 km188 Km SSE of Tateyama, JapanUSGS
M 5.660 km日本本州东岸远海, JapanCEIC
M 5.997 kmSoutheast of Honshu, JapanBMKG

User reports for this quake (7)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Leave a comment if you find a particular report interesting or want to add to it.
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Send your own user report!
Zama-Shirt, Kanagawa (146.5 km NW of epicenter) [Map] / Strong shaking (MMI VI) / 5-10 s : I was sitting on my bed reading and the bed was shaking. | 4 users found this interesting.
9364.6 km NE of epicenter [Map] / not felt
Raleigh, NC 27615 / not felt
Pensacola Florida / not felt
tokyo / Light shaking (MMI IV)
Tokyo (Japan, 273 km NW of epicenter) : I was laying on the couch and the building started moving a little back and forth. Nothing in my room moved | 3 users found this interesting. (reported through EMSC)
Higashiyamato (Japan, 290 km NW of epicenter) : 18:32 se sintió un temblor, desde Kotesashi, Tokorozawa | One user found this interesting. (reported through EMSC)
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Aftershocks of the 5.8 quake 275 km southeast of Tokyo, Japan, 3 Oct 6:31 pm (GMT +9)

More info
Recorded aftershocks, latest first (2 quakes):
  • 25 Nov 2020 16:57 UTC
    | M 4.3 |
    39.1 km (24.3 mi) depth
    15 km (9 mi) distance
    | USGS | Details
  • 13 Oct 2020 13:16 UTC
    | M 4.9 |
    52 km (32.3 mi) depth
    8 km (5 mi) distance
    | GFZ | Details

Earlier earthquakes in the same area since 1900

Moderate mag. 5.8 earthquake - 275 km southeast of Tokyo, Japan, on 3 Oct 6:31 pm (GMT +9)

Map of earlier quakes

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