December 6, 2020 at 13:07:00 JST
Off the east Coast of Hachijojima Island · M5.0 · Shindo 1
八丈島東方沖
Off the east Coast of Hachijojima Island earthquake history →
Places with the strongest observed Shindo
These municipalities had the highest station readings in this report. Open a place to compare this earthquake with its local history.
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Shindo readings and epicentre
Each numbered marker is an actual station reading. The orange M marker shows the epicentre.
Observed Shindo by station
These are actual readings reported at JMA and partner stations, not estimates.
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| Shindo | Station | Prefecture | Distance from epicentre |
|---|---|---|---|
| 1 | Hachijo Town八丈町富士グランド | Tokyo | 140.8 km |
| 1 | Hachijo Town八丈町三根 | Tokyo | 141.8 km |
| 1 | Mikurashima Village御蔵島村西川 | Tokyo | 152.6 km |
| 1 | Miyake Village三宅村坪田 | Tokyo | 161.2 km |
| 1 | Miyake Village三宅村神着 | Tokyo | 165.8 km |
| 1 | Kamogawa City鴨川市横渚 | Chiba | 195.5 km |
| 1 | Kamogawa City鴨川市八色 | Chiba | 196.1 km |
| 1 | Niijima Village新島村大原 | Tokyo | 196.8 km |
| 1 | Tateyama City館山市長須賀 | Chiba | 196.9 km |
| 1 | Tateyama City館山市北条 | Chiba | 197.8 km |
| 1 | Minamiboso City南房総市上堀 | Chiba | 199.9 km |
| 1 | Yokosuka City横須賀市光の丘 | Kanagawa | 229.2 km |
| 1 | Higashiizu Town東伊豆町奈良本 | Shizuoka | 239.9 km |
| 1 | Yokohama Naka Ward横浜中区山手町 | Kanagawa | 248.6 km |
| 1 | Yugawara Town湯河原町中央 | Kanagawa | 257.9 km |
| 1 | Chiyoda City東京千代田区大手町 | Tokyo | 266.8 km |
Report updates
Status, time and revision available in the stored report. Field-by-field differences may not be retained.
- Confirmed
Revision 1 · p2pquake
Sources and bulletins
Multiple source bulletins do not necessarily represent multiple corrections.
- P2PQUAKEIssued: December 6, 2020 at 13:10:00Received: July 31, 2026 at 00:30:06
- P2PQUAKEIssued: December 6, 2020 at 13:10:00Received: July 31, 2026 at 00:30:06
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Understand this earthquake report
Read Shindo, magnitude and JMA information in the right context.
A guide to event and issue times, hypocentre, depth, Shindo, tsunami information, preliminary reports and corrections.
Read guide →5 min readWhat does earthquake depth mean?A plain-language guide to hypocentre depth and why shallow and deep earthquakes can feel very different.
Read guide →5 min readMagnitude vs Shindo: what is the difference?Magnitude describes the size of an earthquake at its source; Shindo describes shaking at a place. Learn why they are not interchangeable.
Read guide →6 min readCan every earthquake cause a tsunami?What creates a tsunami, why magnitude alone is not enough and when to leave the coast immediately.
Read guide →