September 21, 2025 at 06:47:00 JST
Off the Coast of Iwate Prefecture · M4.0 · Shindo 2
岩手県沖
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.
Scroll horizontally to see the full table.
| Shindo | Station | Prefecture | Distance from epicentre |
|---|---|---|---|
| 2 | Fudai Village普代村銅屋 | Iwate | 10.0 km |
| 2 | Kuji City久慈市川崎町 | Iwate | 14.6 km |
| 2 | Kuji City久慈市長内町 | Iwate | 14.9 km |
| 2 | Karumai Town軽米町軽米 | Iwate | 45.3 km |
| 1 | Noda Village野田村野田 | Iwate | 6.9 km |
| 1 | Tanohata Village田野畑村田野畑 | Iwate | 17.9 km |
| 1 | Tanohata Village田野畑村役場 | Iwate | 18.9 km |
| 1 | Kuji City久慈市枝成沢 | Iwate | 20.0 km |
| 1 | Miyako City宮古市田老 | Iwate | 40.4 km |
| 1 | Hachinohe City八戸市南郷 | Aomori | 51.4 km |
| 1 | Hachinohe City八戸市内丸 | Aomori | 57.3 km |
| 1 | Hachinohe City八戸市湊町 | Aomori | 57.4 km |
| 1 | 青森南部町平 | Aomori | 60.1 km |
| 1 | Morioka City盛岡市薮川 | Iwate | 60.3 km |
| 1 | 青森南部町苫米地 | Aomori | 60.4 km |
| 1 | Sannohe Town三戸町在府小路町 | Aomori | 62.7 km |
| 1 | Gonohe Town五戸町古舘 | Aomori | 69.5 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: September 21, 2025 at 06:49:56Received: July 31, 2026 at 00:19:25
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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 →