July 9, 2018 at 22:54:00 JST
Off the east Coast of Chiba Prefecture · M3.9 · Shindo 2
千葉県東方沖
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 |
|---|---|---|---|
| 2 | Chonan Town長南町長南 | Chiba | 38.9 km |
| 1 | Katsuura City勝浦市新官 | Chiba | 26.1 km |
| 1 | Katsuura City勝浦市墨名 | Chiba | 26.8 km |
| 1 | Isumi Cityいすみ市国府台 | Chiba | 27.8 km |
| 1 | Oamishirasato City大網白里市大網 | Chiba | 43.7 km |
| 1 | Sammu City山武市蓮沼ニ | Chiba | 44.2 km |
| 1 | Togane City東金市東新宿 | Chiba | 45.1 km |
| 1 | Kamogawa City鴨川市横渚 | Chiba | 46.2 km |
| 1 | Kamogawa City鴨川市八色 | Chiba | 46.7 km |
| 1 | Togane City東金市日吉台 | Chiba | 47.4 km |
| 1 | Kimitsu City君津市久留里市場 | Chiba | 49.5 km |
| 1 | Sammu City山武市松尾町五反田 | Chiba | 50.4 km |
| 1 | Sammu City山武市松尾町富士見台 | Chiba | 51.1 km |
| 1 | Ichihara City市原市姉崎 | Chiba | 58.3 km |
| 1 | Chiba Wakaba Ward千葉若葉区小倉台 | Chiba | 61.7 km |
| 1 | Tateyama City館山市長須賀 | Chiba | 71.1 km |
| 1 | Miura City三浦市城山町 | Kanagawa | 89.5 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, 2018 at 22:58:00Received: July 31, 2026 at 00:36:01
- P2PQUAKEIssued: July 9, 2018 at 22:58:00Received: July 31, 2026 at 00:36:01
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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 →