April 4, 2024 at 03:09:00 JST
Off the Coast of Tomakomai · M4.1 · Shindo 1
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.
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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 |
|---|---|---|---|
| 1 | Hakodate City函館市新浜町 | Hokkaido | 38.4 km |
| 1 | Hakodate City函館市泊町 | Hokkaido | 50.7 km |
| 1 | Mutsu Cityむつ市大畑町中島 | Aomori | 56.2 km |
| 1 | Higashidori Village東通村砂子又沢内 | Aomori | 62.0 km |
| 1 | Higashidori Village東通村砂子又蒲谷地 | Aomori | 63.4 km |
| 1 | Shinhidaka Town新ひだか町三石旭町 | Hokkaido | 93.9 km |
| 1 | Urakawa Town浦河町潮見 | Hokkaido | 105.5 km |
| 1 | Abira Town安平町追分柏が丘 | Hokkaido | 120.2 km |
| 1 | Tohoku Town東北町上北南 | Aomori | 122.2 km |
| 1 | Hachinohe City八戸市湊町 | Aomori | 141.4 km |
| 1 | 青森南部町苫米地 | Aomori | 148.9 km |
| 1 | Hashikami Town階上町道仏 | Aomori | 149.9 km |
| 1 | Urahoro Town浦幌町桜町 | Hokkaido | 203.6 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: April 4, 2024 at 03:13:17Received: July 31, 2026 at 00:23:03
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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 →