March 6, 2021 at 22:42:00 JST
Off the Coast of Iwate Prefecture · M3.7 · Shindo 1
岩手県沖
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 | Kamaishi City釜石市只越町 | Iwate | 10.3 km |
| 1 | Kamaishi City釜石市中妻町 | Iwate | 12.5 km |
| 1 | Yamada Town山田町大沢 | Iwate | 21.3 km |
| 1 | Ofunato City大船渡市盛町 | Iwate | 35.0 km |
| 1 | Ofunato City大船渡市大船渡町 | Iwate | 35.9 km |
| 1 | Tono City遠野市青笹町 | Iwate | 38.1 km |
| 1 | Sumita Town住田町世田米 | Iwate | 40.4 km |
| 1 | Miyako City宮古市川井 | Iwate | 43.2 km |
| 1 | Kesennuma City気仙沼市唐桑町 | Miyagi | 53.7 km |
| 1 | Miyako City宮古市区界 | Iwate | 60.5 km |
| 1 | Ichinoseki City一関市大東町 | Iwate | 61.0 km |
| 1 | Ichinoseki City一関市室根町 | Iwate | 62.8 km |
| 1 | Hanamaki City花巻市大迫総合支所 | Iwate | 64.0 km |
| 1 | Hanamaki City花巻市大迫町 | Iwate | 64.3 km |
| 1 | Ichinoseki City一関市千厩町 | Iwate | 71.7 km |
| 1 | Ichinoseki City一関市藤沢町 | Iwate | 74.5 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: March 6, 2021 at 22:45:00Received: July 31, 2026 at 00:29:25
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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 →