March 20, 2021 at 18:29:00 JST
Off the Coast of Miyagi Prefecture · M3.7 · 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.
View local history
View local history
View local history
View local history
View local history
View local history
View local history
View 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 | Ishinomaki City石巻市桃生町 | Miyagi | 49.5 km |
| 1 | Matsushima Town松島町高城 | Miyagi | 56.0 km |
| 1 | Tome City登米市東和町 | Miyagi | 58.6 km |
| 1 | Tome City登米市南方町 | Miyagi | 61.8 km |
| 1 | Sendai Miyagino Ward仙台宮城野区苦竹 | Miyagi | 67.5 km |
| 1 | Ohira Village大衡村大衡 | Miyagi | 74.1 km |
| 1 | Ichinoseki City一関市室根町 | Iwate | 74.6 km |
| 1 | Iwanuma City岩沼市桜 | Miyagi | 76.0 km |
| 1 | Shibata Town柴田町船岡 | Miyagi | 86.5 km |
| 1 | Sendai Aoba Ward仙台青葉区大倉 | Miyagi | 91.2 km |
| 1 | 宮城川崎町前川 | Miyagi | 93.7 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: March 20, 2021 at 18:32:26Received: July 31, 2026 at 00:29:19
Follow the next earthquake from the places that matter
Save important places, compare locally observed Shindo and receive notifications after station readings are confirmed.
- ✓Saved places
- ✓Local Shindo
- ✓Observed alerts
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 →