October 2, 2025 at 20:41:00 JST
Iyonada Sea · M3.5 · Shindo 1
伊予灘
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 | Uchiko Town内子町平岡 | Ehime | 24.0 km |
| 1 | Matsuyama City松山市富久町 | Ehime | 25.1 km |
| 1 | Suo Oshima Town周防大島町東和総合支所 | Yamaguchi | 26.4 km |
| 1 | Suo Oshima Town周防大島町平野 | Yamaguchi | 26.7 km |
| 1 | Yawatahama City八幡浜市五反田 | Ehime | 28.4 km |
| 1 | Matsuyama City松山市北持田町 | Ehime | 30.2 km |
| 1 | Matsuyama City松山市中島大浦 | Ehime | 33.3 km |
| 1 | Suo Oshima Town周防大島町久賀 | Yamaguchi | 35.5 km |
| 1 | Kumakogen Town久万高原町久万 | Ehime | 37.4 km |
| 1 | Kumakogen Town久万高原町渋草 | Ehime | 50.1 km |
| 1 | Saijo City西条市丹原町鞍瀬 | Ehime | 51.5 km |
| 1 | Etajima City江田島市大柿町 | Hiroshima | 52.3 km |
| 1 | Kure City呉市下蒲刈町 | Hiroshima | 56.8 km |
| 1 | Kure City呉市広 | Hiroshima | 59.7 km |
| 1 | Osakikamijima Town大崎上島町中野 | Hiroshima | 69.9 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: October 2, 2025 at 20:44:36Received: July 31, 2026 at 00:19:25
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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 →