September 24, 2021 at 23:55:00 JST
Southern Ibaraki Prefecture · M3.4 · Shindo 1
茨城県南部
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.
View local history
View local history
View local history
View local history
View local history
View local history
View local history
View 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 |
|---|---|---|---|
| 1 | Kazo City加須市大利根 | Saitama | 7.6 km |
| 1 | Itakura Town板倉町板倉 | Gunma | 9.3 km |
| 1 | Ora Town邑楽町中野 | Gunma | 22.3 km |
| 1 | Higashimatsuyama City東松山市松葉町 | Saitama | 32.3 km |
| 1 | Namegawa Town滑川町福田 | Saitama | 33.8 km |
| 1 | Kiryu City桐生市元宿町 | Gunma | 40.6 km |
| 1 | Utsunomiya City宇都宮市明保野町 | Tochigi | 41.7 km |
| 1 | Isesaki City伊勢崎市東町 | Gunma | 43.3 km |
| 1 | Isesaki City伊勢崎市西久保町 | Gunma | 46.7 km |
| 1 | Maebashi City前橋市粕川町 | Gunma | 49.8 km |
| 1 | Kiryu City桐生市黒保根町 | Gunma | 50.3 km |
| 1 | Honjo City本庄市児玉町 | Saitama | 51.4 km |
| 1 | Numata City沼田市利根町 | Gunma | 70.8 km |
| 1 | Shibukawa City渋川市吹屋 | Gunma | 71.4 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 24, 2021 at 23:58:10Received: July 31, 2026 at 00:28:29
Follow the next earthquake from the places that matter
Save important places, compare locally observed Shindo and receive notifications after station readings are confirmed.
- ✓Saved places
- ✓Local Shindo
- ✓Observed alerts
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 →