August 20, 2026 at 00:50:00 JST
Off the Coast of Urakawa · M4.0 · Shindo 3
浦河沖
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.
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 |
|---|---|---|---|
| 3 | Urakawa Town浦河町潮見 | Hokkaido | 39.5 km |
| 2 | Urakawa Town浦河町築地 | Hokkaido | 40.6 km |
| 1 | Erimo Townえりも町えりも岬 | Hokkaido | 12.4 km |
| 1 | Samani Town様似町栄町 | Hokkaido | 28.8 km |
| 1 | Hiroo Town広尾町白樺通 | Hokkaido | 46.5 km |
| 1 | Hiroo Town広尾町並木通 | Hokkaido | 47.4 km |
| 1 | Urakawa Town浦河町野深 | Hokkaido | 51.5 km |
| 1 | Urahoro Town浦幌町桜町 | Hokkaido | 111.1 km |
| 1 | Higashidori Village東通村砂子又沢内 | Aomori | 162.9 km |
| 1 | Hakodate City函館市泊町 | Hokkaido | 175.6 km |
Report updates
Status, time and revision available in the stored report. Field-by-field differences may not be retained.
- Confirmed
Revision 3 · p2pquake
Sources and bulletins
Multiple source bulletins do not necessarily represent multiple corrections.
- P2PQUAKEIssued: August 20, 2026 at 00:54:18Received: August 20, 2026 at 02:53:11
- JMA-XMLIssued: August 20, 2026 at 00:54:18Received: August 20, 2026 at 02:53:11
- P2PQUAKEIssued: August 20, 2026 at 00:54:18Received: August 20, 2026 at 02:53:11
- JMA-XMLIssued: August 20, 2026 at 00:53:23Received: August 20, 2026 at 02:53:11
- P2PQUAKEIssued: August 20, 2026 at 00:53:23Received: August 20, 2026 at 02:53:11
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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 →