June 21, 2018 at 15:53:00 JST
Off the southeast Coast of Chiba Prefecture · M4.0 · Shindo 3
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 |
|---|---|---|---|
| 3 | Kamogawa City鴨川市内浦 | Chiba | 6.7 km |
| 2 | Kamogawa City鴨川市天津 | Chiba | 5.1 km |
| 2 | Kamogawa City鴨川市横渚 | Chiba | 8.7 km |
| 2 | Kamogawa City鴨川市八色 | Chiba | 9.4 km |
| 2 | Katsuura City勝浦市墨名 | Chiba | 11.6 km |
| 2 | Katsuura City勝浦市新官 | Chiba | 12.3 km |
| 2 | Otaki Town大多喜町大多喜 | Chiba | 21.6 km |
| 2 | Isumi Cityいすみ市国府台 | Chiba | 22.3 km |
| 2 | Isumi Cityいすみ市大原 | Chiba | 24.0 km |
| 2 | Kimitsu City君津市久留里市場 | Chiba | 25.1 km |
| 2 | Chonan Town長南町長南 | Chiba | 32.4 km |
| 2 | Ichinomiya Town一宮町一宮 | Chiba | 33.8 km |
| 1 | Onjuku Town御宿町須賀 | Chiba | 16.9 km |
| 1 | Minamiboso City南房総市岩糸 | Chiba | 23.6 km |
| 1 | Isumi Cityいすみ市岬町長者 | Chiba | 27.6 km |
| 1 | Minamiboso City南房総市谷向 | Chiba | 28.4 km |
| 1 | Minamiboso City南房総市上堀 | Chiba | 29.5 km |
| 1 | Mutsuzawa Town睦沢町下之郷 | Chiba | 30.8 km |
| 1 | Tateyama City館山市長須賀 | Chiba | 33.1 km |
| 1 | Nagara Town長柄町桜谷 | Chiba | 36.7 km |
| 1 | Kimitsu City君津市久保 | Chiba | 37.4 km |
| 1 | Mobara City茂原市道表 | Chiba | 37.5 km |
| 1 | Ichihara City市原市姉崎 | Chiba | 43.3 km |
| 1 | Togane City東金市日吉台 | Chiba | 53.7 km |
| 1 | Chiba Mihama Ward千葉美浜区ひび野 | Chiba | 62.0 km |
| 1 | Yokohama Naka Ward横浜中区山手町 | Kanagawa | 62.4 km |
| 1 | Chiyoda City東京千代田区大手町 | Tokyo | 76.7 km |
| 1 | 千葉中央区都町 | Chiba | — |
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: June 21, 2018 at 15:57:00Received: July 31, 2026 at 00:36:08
- P2PQUAKEIssued: June 21, 2018 at 15:57:00Received: July 31, 2026 at 00:36:08
- P2PQUAKEIssued: June 21, 2018 at 15:56:00Received: July 31, 2026 at 00:36:08
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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 →