May 23, 2021 at 18:16:00 JST
Off the Coast of Fukushima Prefecture · M3.9 · 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.
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| Shindo | Station | Prefecture | Distance from epicentre |
|---|---|---|---|
| 2 | Soma City相馬市中村 | Fukushima | 78.3 km |
| 1 | Minamisoma City南相馬市原町区高見町 | Fukushima | 71.8 km |
| 1 | Minamisoma City南相馬市鹿島区西町 | Fukushima | 73.2 km |
| 1 | Namie Town浪江町幾世橋 | Fukushima | 74.2 km |
| 1 | Minamisoma City南相馬市原町区三島町 | Fukushima | 74.8 km |
| 1 | Shinchi Town新地町谷地小屋 | Fukushima | 80.0 km |
| 1 | Okuma Town大熊町大川原 | Fukushima | 82.3 km |
| 1 | Naraha Town楢葉町北田 | Fukushima | 85.5 km |
| 1 | Yamamoto Town山元町浅生原 | Miyagi | 86.0 km |
| 1 | Kawauchi Village川内村下川内 | Fukushima | 89.9 km |
| 1 | Watari Town亘理町悠里 | Miyagi | 90.1 km |
| 1 | Ishinomaki City石巻市大街道南 | Miyagi | 93.0 km |
| 1 | Shichigahama Town七ヶ浜町東宮浜 | Miyagi | 93.1 km |
| 1 | Iitate Village飯舘村伊丹沢 | Fukushima | 93.5 km |
| 1 | Higashimatsushima City東松島市小野 | Miyagi | 95.9 km |
| 1 | 福島伊達市霊山町 | Fukushima | 106.1 km |
| 1 | Ishinomaki City石巻市桃生町 | Miyagi | 107.3 km |
| 1 | Tamura City田村市船引町 | Fukushima | 111.9 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: May 23, 2021 at 18:19:28Received: July 31, 2026 at 00:28:57
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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 →