March 22, 2018 at 08:15:00 JST
Off the Coast of Tomakomai · M4.0 · Shindo 2
苫小牧沖
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 |
|---|---|---|---|
| 2 | Hakodate City函館市新浜町 | Hokkaido | 60.1 km |
| 1 | Chitose City千歳市若草 | Hokkaido | 55.0 km |
| 1 | 新千歳空港 | Hokkaido | 55.7 km |
| 1 | Abira Town安平町早来北進 | Hokkaido | 58.5 km |
| 1 | Niikappu Town新冠町北星町 | Hokkaido | 67.9 km |
| 1 | Abira Town安平町追分柏が丘 | Hokkaido | 68.6 km |
| 1 | Shinhidaka Town新ひだか町静内山手町 | Hokkaido | 71.2 km |
| 1 | Hakodate City函館市泊町 | Hokkaido | 76.6 km |
| 1 | Shinhidaka Town新ひだか町三石旭町 | Hokkaido | 87.6 km |
| 1 | Higashidori Village東通村砂子又沢内 | Aomori | 114.2 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: March 22, 2018 at 08:18:00Received: July 31, 2026 at 00:36:53
- P2PQUAKEIssued: March 22, 2018 at 08:18:00Received: July 31, 2026 at 00:36:53
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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 →