August 22, 2023 at 08:30:00 JST
Southern Gunma Prefecture · M3.1 · Shindo 2
群馬県南部
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 | Kiryu City桐生市元宿町 | Gunma | 11.8 km |
| 1 | Kiryu City桐生市黒保根町 | Gunma | 10.8 km |
| 1 | Kiryu City桐生市錦町 | Gunma | 12.4 km |
| 1 | Midori Cityみどり市大間々町 | Gunma | 14.0 km |
| 1 | Midori Cityみどり市笠懸町 | Gunma | 15.5 km |
| 1 | Kiryu City桐生市新里町 | Gunma | 16.9 km |
| 1 | Ota City太田市大原町 | Gunma | 17.9 km |
| 1 | Maebashi City前橋市粕川町 | Gunma | 19.7 km |
| 1 | Isesaki City伊勢崎市西久保町 | Gunma | 20.2 km |
| 1 | Isesaki City伊勢崎市東町 | Gunma | 22.3 km |
| 1 | Ota City太田市西本町 | Gunma | 23.6 km |
| 1 | Annaka City安中市安中 | Gunma | 49.5 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: August 22, 2023 at 08:32:42Received: July 31, 2026 at 00:25:05
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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 →