July 9, 2023 at 20:44:00 JST
Off the southeast Coast of Chiba Prefecture · M3.9 · Shindo 1
千葉県南東沖
Off the southeast Coast of Chiba Prefecture 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 | Katsuura City勝浦市新官 | Chiba | 28.7 km |
| 1 | Katsuura City勝浦市墨名 | Chiba | 28.9 km |
| 1 | Kamogawa City鴨川市横渚 | Chiba | 35.6 km |
| 1 | Kamogawa City鴨川市八色 | Chiba | 36.3 km |
| 1 | Otaki Town大多喜町大多喜 | Chiba | 45.4 km |
| 1 | Minamiboso City南房総市白浜町白浜 | Chiba | 45.7 km |
| 1 | Tateyama City館山市北条 | Chiba | 49.7 km |
| 1 | Tateyama City館山市長須賀 | Chiba | 49.8 km |
| 1 | Ichinomiya Town一宮町一宮 | Chiba | 52.4 km |
| 1 | Futtsu City富津市下飯野 | Chiba | 66.3 km |
| 1 | Kisarazu City木更津市富士見 | Chiba | 68.9 km |
| 1 | Ichihara City市原市姉崎 | Chiba | 70.8 km |
| 1 | Miura City三浦市城山町 | Kanagawa | 76.0 km |
| 1 | Yokosuka City横須賀市光の丘 | Kanagawa | 76.3 km |
| 1 | Yokohama Kanazawa Ward横浜金沢区白帆 | Kanagawa | 86.6 km |
| 1 | Yokohama Kanazawa Ward横浜金沢区釜利谷南 | Kanagawa | 87.8 km |
| 1 | Chiba Mihama Ward千葉美浜区ひび野 | Chiba | 88.7 km |
| 1 | Yokohama Naka Ward横浜中区山手町 | Kanagawa | 90.6 km |
| 1 | Fujisawa City藤沢市朝日町 | Kanagawa | 96.2 km |
| 1 | Chigasaki City茅ヶ崎市茅ヶ崎 | Kanagawa | 102.9 km |
| 1 | Chiyoda City東京千代田区大手町 | Tokyo | 105.2 km |
| 1 | Yokohama Midori Ward横浜緑区十日市場町 | Kanagawa | 107.0 km |
| 1 | Hiratsuka City平塚市浅間町 | Kanagawa | 107.8 km |
| 1 | Atsugi City厚木市中町 | Kanagawa | 112.1 km |
| 1 | Nakai Town中井町比奈窪 | Kanagawa | 117.7 km |
| 1 | Hadano City秦野市曽屋 | Kanagawa | 120.7 km |
| 1 | Yugawara Town湯河原町中央 | Kanagawa | 121.1 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: July 9, 2023 at 20:47:11Received: July 31, 2026 at 00:25:13
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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 →