January 20, 2023 at 20:14:00 JST
Southern Inland of Iwate Prefecture · M3.9 · Shindo 1
岩手県内陸南部
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 |
|---|---|---|---|
| 1 | Ichinoseki City一関市東山町 | Iwate | 17.1 km |
| 1 | Ichinoseki City一関市千厩町 | Iwate | 20.1 km |
| 1 | Ichinoseki City一関市藤沢町 | Iwate | 22.1 km |
| 1 | Ichinoseki City一関市大東町 | Iwate | 28.7 km |
| 1 | Ichinoseki City一関市室根町 | Iwate | 29.8 km |
| 1 | Kesennuma City気仙沼市赤岩 | Miyagi | 41.3 km |
| 1 | Rikuzentakata City陸前高田市高田町 | Iwate | 47.3 km |
| 1 | Kesennuma City気仙沼市唐桑町 | Miyagi | 47.7 km |
| 1 | Sumita Town住田町世田米 | Iwate | 49.4 km |
| 1 | Ofunato City大船渡市猪川町 | Iwate | 53.0 km |
| 1 | Ofunato City大船渡市大船渡町 | Iwate | 56.3 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: January 20, 2023 at 20:17:06Received: July 31, 2026 at 00:26:05
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 →