February 20, 2021 at 22:23:00 JST
Off the east Coast of Hokkaido · M5.0 · Shindo 3
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.
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| Shindo | Station | Prefecture | Distance from epicentre |
|---|---|---|---|
| 3 | Nemuro City根室市落石東 | Hokkaido | 112.7 km |
| 2 | 根室市珸瑶瑁 | Hokkaido | — |
| 1 | Nemuro City根室市豊里 | Hokkaido | 94.5 km |
| 1 | Nemuro City根室市牧の内 | Hokkaido | 105.5 km |
| 1 | Nemuro City根室市弥栄 | Hokkaido | 106.7 km |
| 1 | Betsukai Town別海町本別海 | Hokkaido | 131.7 km |
| 1 | Nemuro City根室市厚床 | Hokkaido | 133.4 km |
| 1 | Hamanaka Town浜中町湯沸 | Hokkaido | 143.5 km |
| 1 | Betsukai Town別海町常盤 | Hokkaido | 144.8 km |
| 1 | Shibetsu Town標津町北２条 | Hokkaido | 148.7 km |
| 1 | Hamanaka Town浜中町茶内 | Hokkaido | 153.1 km |
| 1 | Nakashibetsu Town中標津町丸山 | Hokkaido | 158.7 km |
| 1 | Rausu Town羅臼町緑町 | Hokkaido | 159.4 km |
| 1 | Rausu Town羅臼町岬町 | Hokkaido | 160.6 km |
| 1 | Nakashibetsu Town中標津町養老牛 | Hokkaido | 179.8 km |
| 1 | Shari Town斜里町本町 | Hokkaido | 192.3 km |
| 1 | Teshikaga Town弟子屈町弟子屈 | Hokkaido | 199.8 km |
| 1 | Tsurui Village鶴居村鶴居東 | Hokkaido | 208.8 km |
| 1 | Shiranuka Town白糠町西１条 | Hokkaido | 233.3 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: February 20, 2021 at 22:27:00Received: July 31, 2026 at 00:29:31
- P2PQUAKEIssued: February 20, 2021 at 22:27:00Received: July 31, 2026 at 00:29:31
- P2PQUAKEIssued: February 20, 2021 at 22:26:00Received: July 31, 2026 at 00:29:31
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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 →