May 21, 2023 at 18:40:00 JST
Off the east Coast of Hokkaido · M4.7 · Shindo 2
北海道東方沖
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 | Nemuro City根室市珸瑤瑁 | Hokkaido | 69.6 km |
| 2 | Nemuro City根室市落石東 | Hokkaido | 98.6 km |
| 2 | Shibetsu Town標津町北２条 | Hokkaido | 118.8 km |
| 2 | Betsukai Town別海町常盤 | Hokkaido | 122.0 km |
| 2 | Rausu Town羅臼町岬町 | Hokkaido | 122.4 km |
| 2 | Hamanaka Town浜中町茶内 | Hokkaido | 137.6 km |
| 1 | Nemuro City根室市牧の内 | Hokkaido | 86.3 km |
| 1 | Nemuro City根室市弥栄 | Hokkaido | 87.4 km |
| 1 | Betsukai Town別海町本別海 | Hokkaido | 109.3 km |
| 1 | Nemuro City根室市厚床 | Hokkaido | 116.0 km |
| 1 | Rausu Town羅臼町緑町 | Hokkaido | 122.7 km |
| 1 | Shibetsu Town標津町薫別 | Hokkaido | 125.9 km |
| 1 | Kiyosato Town清里町羽衣町 | Hokkaido | 164.1 km |
| 1 | Shibecha Town標茶町川上 | Hokkaido | 165.3 km |
| 1 | Shibecha Town標茶町塘路 | Hokkaido | 177.4 km |
| 1 | Tsurui Village鶴居村鶴居東 | Hokkaido | 188.4 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: May 21, 2023 at 18:43:34Received: July 31, 2026 at 00:25:27
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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 →