June 25, 2023 at 23:52:00 JST
Northern Nagano Prefecture · M2.9 · Shindo 2
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.
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.
Scroll horizontally to see the full table.
| Shindo | Station | Prefecture | Distance from epicentre |
|---|---|---|---|
| 2 | Omachi City大町市大町図書館 | Nagano | 4.6 km |
| 2 | Omachi City大町市役所 | Nagano | 4.6 km |
| 1 | Matsukawa Village松川村役場 | Nagano | 9.9 km |
| 1 | 長野池田町池田 | Nagano | 10.9 km |
| 1 | Omachi City大町市美麻 | Nagano | 15.1 km |
| 1 | Ogawa Village小川村高府 | Nagano | 20.2 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: June 25, 2023 at 23:55:16Received: 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 →