April 21, 2026 at 13:50:00 JST
Off the Coast of Fukushima Prefecture · M4.1 · Shindo 2
福島県沖
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 |
|---|---|---|---|
| 2 | 福島広野町下北迫大谷地原 | Fukushima | 35.7 km |
| 2 | Naraha Town楢葉町北田 | Fukushima | 37.4 km |
| 2 | Tomioka Town富岡町本岡 | Fukushima | 37.9 km |
| 2 | Okuma Town大熊町大川原 | Fukushima | 43.8 km |
| 2 | Futaba Town双葉町長塚 | Fukushima | 44.3 km |
| 2 | Namie Town浪江町幾世橋 | Fukushima | 48.2 km |
| 1 | 福島広野町下北迫苗代替 | Fukushima | 35.5 km |
| 1 | Okuma Town大熊町野上 | Fukushima | 45.4 km |
| 1 | Iwaki Cityいわき市平四ツ波 | Fukushima | 46.1 km |
| 1 | Kawauchi Village川内村下川内 | Fukushima | 50.5 km |
| 1 | Iwaki Cityいわき市小名浜 | Fukushima | 52.3 km |
| 1 | Kawauchi Village川内村上川内早渡 | Fukushima | 54.2 km |
| 1 | Iwaki Cityいわき市三和町 | Fukushima | 54.5 km |
| 1 | Kawauchi Village川内村上川内小山平 | Fukushima | 54.6 km |
| 1 | Minamisoma City南相馬市小高区 | Fukushima | 54.8 km |
| 1 | Tamura City田村市都路町 | Fukushima | 60.3 km |
| 1 | Minamisoma City南相馬市原町区高見町 | Fukushima | 60.8 km |
| 1 | Minamisoma City南相馬市原町区三島町 | Fukushima | 62.9 km |
| 1 | Iwaki Cityいわき市錦町 | Fukushima | 63.1 km |
| 1 | Katsurao Village葛尾村落合落合 | Fukushima | 65.8 km |
| 1 | Tamura City田村市滝根町 | Fukushima | 67.0 km |
| 1 | Ono Town小野町中通 | Fukushima | 68.9 km |
| 1 | Ono Town小野町小野新町 | Fukushima | 69.0 km |
| 1 | Tamura City田村市大越町 | Fukushima | 70.3 km |
| 1 | Tamura City田村市常葉町 | Fukushima | 72.4 km |
| 1 | Kitaibaraki City北茨城市磯原町 | Ibaraki | 72.9 km |
| 1 | Kitaibaraki City北茨城市中郷町 | Ibaraki | 75.7 km |
| 1 | Tamura City田村市船引町 | Fukushima | 77.7 km |
| 1 | Soma City相馬市中村 | Fukushima | 79.0 km |
| 1 | Takahagi City高萩市安良川 | Ibaraki | 82.1 km |
| 1 | Kawamata Town川俣町五百田 | Fukushima | 87.3 km |
| 1 | Tamakawa Village玉川村小高 | Fukushima | 87.9 km |
| 1 | Asakawa Town浅川町浅川 | Fukushima | 89.0 km |
| 1 | Tanagura Town棚倉町棚倉中居野 | Fukushima | 92.6 km |
| 1 | Yamatsuri Town矢祭町戸塚 | Fukushima | 93.7 km |
| 1 | Hitachi City日立市助川小学校 | Ibaraki | 95.1 km |
| 1 | Yamamoto Town山元町浅生原 | Miyagi | 96.0 km |
| 1 | Daigo Town大子町池田 | Ibaraki | 103.7 km |
| 1 | Shirakawa City白河市郭内 | Fukushima | 105.5 km |
| 1 | Shirakawa City白河市新白河 | Fukushima | 107.8 km |
| 1 | Hitachiomiya City常陸大宮市山方 | Ibaraki | 109.3 km |
| 1 | Iwanuma City岩沼市桜 | Miyagi | 110.3 km |
| 1 | Natori City名取市増田 | Miyagi | 116.7 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 21, 2026 at 13:54:10Received: 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.
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