April 22, 2026 at 22:35:00 JST
Off the Coast of Sanriku · M4.6 · Shindo 1
三陸沖
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 |
|---|---|---|---|
| 1 | Yamada Town山田町大沢 | Iwate | 106.4 km |
| 1 | Miyako City宮古市田老 | Iwate | 106.7 km |
| 1 | Kamaishi City釜石市中妻町 | Iwate | 121.0 km |
| 1 | Morioka City盛岡市薮川 | Iwate | 161.6 km |
| 1 | Morioka City盛岡市山王町 | Iwate | 175.0 km |
| 1 | Gonohe Town五戸町古舘 | Aomori | 191.7 km |
| 1 | Ishinomaki City石巻市桃生町 | Miyagi | 205.2 km |
| 1 | Wakuya Town涌谷町新町裏 | Miyagi | 214.6 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 22, 2026 at 22:38:55Received: July 31, 2026 at 00:18:15
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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 →