April 7, 2021 at 05:10:00 JST
Off the Coast of Miyagi Prefecture · M4.0 · Shindo 1
宮城県沖
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 |
|---|---|---|---|
| 1 | Ishinomaki City石巻市北上町 | Miyagi | 92.2 km |
| 1 | Ishinomaki City石巻市泉町 | Miyagi | 94.8 km |
| 1 | Ishinomaki City石巻市大街道南 | Miyagi | 96.5 km |
| 1 | Ishinomaki City石巻市桃生町 | Miyagi | 105.8 km |
| 1 | Wakuya Town涌谷町新町裏 | Miyagi | 113.6 km |
| 1 | Natori City名取市増田 | Miyagi | 123.9 km |
| 1 | Iwanuma City岩沼市桜 | Miyagi | 125.4 km |
| 1 | Soma City相馬市中村 | Fukushima | 125.8 km |
| 1 | Minamisoma City南相馬市原町区高見町 | Fukushima | 126.1 km |
| 1 | Okuma Town大熊町大川原 | Fukushima | 142.6 km |
| 1 | Iitate Village飯舘村伊丹沢 | Fukushima | 144.9 km |
| 1 | Naraha Town楢葉町北田 | Fukushima | 147.1 km |
| 1 | 福島伊達市霊山町 | Fukushima | 153.6 km |
| 1 | Tamura City田村市船引町 | Fukushima | 168.6 km |
| 1 | 南三陸町志津川 | Miyagi | — |
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 7, 2021 at 05:13:27Received: July 31, 2026 at 00:29:18
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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 →