December 17, 2021 at 14:40:00 JST
Off the Coast of Fukushima Prefecture · M4.2 · Shindo 1
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 |
|---|---|---|---|
| 1 | Minamisoma City南相馬市鹿島区西町 | Fukushima | 55.6 km |
| 1 | Soma City相馬市中村 | Fukushima | 60.9 km |
| 1 | Shinchi Town新地町谷地小屋 | Fukushima | 63.1 km |
| 1 | Yamamoto Town山元町浅生原 | Miyagi | 69.6 km |
| 1 | Marumori Town丸森町上滝 | Miyagi | 73.8 km |
| 1 | Watari Town亘理町悠里 | Miyagi | 74.5 km |
| 1 | Iitate Village飯舘村伊丹沢 | Fukushima | 75.9 km |
| 1 | Tamura City田村市都路町 | Fukushima | 77.2 km |
| 1 | Iwanuma City岩沼市桜 | Miyagi | 78.1 km |
| 1 | Kakuda City角田市角田 | Miyagi | 78.6 km |
| 1 | Natori City名取市増田 | Miyagi | 81.3 km |
| 1 | Sendai Wakabayashi Ward仙台若林区遠見塚 | Miyagi | 85.3 km |
| 1 | Higashimatsushima City東松島市小野 | Miyagi | 86.8 km |
| 1 | Shiogama City塩竈市今宮町 | Miyagi | 87.0 km |
| 1 | Kawamata Town川俣町五百田 | Fukushima | 88.3 km |
| 1 | 福島伊達市霊山町 | Fukushima | 88.6 km |
| 1 | Matsushima Town松島町高城 | Miyagi | 89.2 km |
| 1 | 福島伊達市梁川町 | Fukushima | 89.7 km |
| 1 | 宮城川崎町前川 | Miyagi | 99.8 km |
| 1 | Wakuya Town涌谷町新町裏 | Miyagi | 102.1 km |
| 1 | Ohira Village大衡村大衡 | Miyagi | 106.3 km |
| 1 | Tome City登米市迫町 | Miyagi | 115.6 km |
| 1 | Tome City登米市中田町 | Miyagi | 116.6 km |
| 1 | Ichinoseki City一関市藤沢町 | Iwate | 130.6 km |
| 1 | Ichinoseki City一関市室根町 | Iwate | 138.4 km |
| 1 | Ichinoseki City一関市東山町 | Iwate | 147.5 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: December 17, 2021 at 14:42:57Received: July 31, 2026 at 00:27:57
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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 →