September 21, 2018 at 09:29:00 JST
Northern Nagano Prefecture · M3.4 · Shindo 3
長野県北部
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 | Shinano Town信濃町柏原東裏 | Nagano | 9.9 km |
| 3 | 長野市戸隠 | Nagano | 11.1 km |
| 2 | Iizuna Town飯綱町牟礼 | Nagano | 13.7 km |
| 2 | 妙高市関川 | Niigata | — |
| 1 | Iizuna Town飯綱町芋川 | Nagano | 14.1 km |
| 1 | 長野市鬼無里 | Nagano | 16.0 km |
| 1 | Otari Village小谷村中小谷 | Nagano | 17.1 km |
| 1 | 長野市箱清水 | Nagano | 17.3 km |
| 1 | 長野市鶴賀緑町 | Nagano | 18.5 km |
| 1 | 長野市豊野町豊野 | Nagano | 18.9 km |
| 1 | Nakano City中野市豊津 | Nagano | 19.9 km |
| 1 | 長野市中条 | Nagano | 22.0 km |
| 1 | Ogawa Village小川村高府 | Nagano | 23.1 km |
| 1 | Hakuba Village白馬村北城 | Nagano | 24.1 km |
| 1 | Iiyama City飯山市飯山福寿町 | Nagano | 24.7 km |
| 1 | 長野市信州新町新町 | Nagano | 26.8 km |
| 1 | Kijimadaira Village木島平村往郷 | Nagano | 28.4 km |
| 1 | Yamanouchi Town山ノ内町消防署 | Nagano | 28.9 km |
| 1 | Chikuma City千曲市杭瀬下 | Nagano | 30.0 km |
| 1 | Chikuma City千曲市戸倉 | Nagano | 34.7 km |
| 1 | Omi Village麻績村麻 | Nagano | 38.0 km |
| 1 | Sakaki Town坂城町坂城 | Nagano | 38.4 km |
| 1 | Chikuhoku Village筑北村坂井 | Nagano | 38.9 km |
| 1 | Chikuhoku Village筑北村坂北 | Nagano | 41.7 km |
| 1 | Chikuhoku Village筑北村西条 | Nagano | 45.1 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: September 21, 2018 at 09:32:00Received: July 31, 2026 at 00:35:14
- P2PQUAKEIssued: September 21, 2018 at 09:32:00Received: July 31, 2026 at 00:35:14
- P2PQUAKEIssued: September 21, 2018 at 09:32:00Received: July 31, 2026 at 00:35:14
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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.
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