September 6, 2021 at 23:50:00 JST
Off the Coast of Kushiro · M4.3 · Shindo 2
釧路沖
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 | 釧路市黒金町 | Hokkaido | 66.6 km |
| 2 | Shibecha Town標茶町塘路 | Hokkaido | 70.0 km |
| 1 | Hamanaka Town浜中町湯沸 | Hokkaido | 42.9 km |
| 1 | Akkeshi Town厚岸町尾幌 | Hokkaido | 46.8 km |
| 1 | Nemuro City根室市厚床 | Hokkaido | 60.3 km |
| 1 | Kushiro Town釧路町別保 | Hokkaido | 61.3 km |
| 1 | Nemuro City根室市落石東 | Hokkaido | 64.3 km |
| 1 | 釧路市幸町 | Hokkaido | 67.0 km |
| 1 | Betsukai Town別海町常盤 | Hokkaido | 77.2 km |
| 1 | Shibecha Town標茶町川上 | Hokkaido | 78.1 km |
| 1 | Nemuro City根室市牧の内 | Hokkaido | 81.0 km |
| 1 | Tsurui Village鶴居村鶴居東 | Hokkaido | 86.1 km |
| 1 | Shiranuka Town白糠町西１条 | Hokkaido | 89.0 km |
| 1 | Nemuro City根室市珸瑤瑁 | Hokkaido | 93.8 km |
| 1 | Nakashibetsu Town中標津町養老牛 | Hokkaido | 103.5 km |
| 1 | Teshikaga Town弟子屈町弟子屈 | Hokkaido | 104.4 km |
| 1 | Shibetsu Town標津町北２条 | Hokkaido | 106.7 km |
| 1 | Ashoro Town足寄町上螺湾 | Hokkaido | 127.6 km |
| 1 | 十勝池田町西１条 | Hokkaido | 137.3 km |
| 1 | 十勝大樹町生花 | Hokkaido | 138.0 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 6, 2021 at 23:53:19Received: July 31, 2026 at 00:28:31
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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 →