April 20, 2021 at 03:10:00 JST
Off the Coast of Fukushima Prefecture · M4.2 · 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.
Scroll horizontally to see the full table.
| Shindo | Station | Prefecture | Distance from epicentre |
|---|---|---|---|
| 2 | Soma City相馬市中村 | Fukushima | 78.3 km |
| 2 | Naraha Town楢葉町北田 | Fukushima | 85.5 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 | Tomioka Town富岡町本岡 | Fukushima | 80.5 km |
| 1 | Minamisoma City南相馬市鹿島区栃窪 | Fukushima | 80.6 km |
| 1 | Okuma Town大熊町大川原 | Fukushima | 82.3 km |
| 1 | Yamamoto Town山元町浅生原 | Miyagi | 86.0 km |
| 1 | 福島広野町下北迫大谷地原 | Fukushima | 87.9 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 | Marumori Town丸森町上滝 | Miyagi | 90.9 km |
| 1 | Iwanuma City岩沼市桜 | Miyagi | 93.1 km |
| 1 | Iitate Village飯舘村伊丹沢 | Fukushima | 93.5 km |
| 1 | Tamura City田村市都路町 | Fukushima | 93.8 km |
| 1 | Katsurao Village葛尾村落合落合 | Fukushima | 94.5 km |
| 1 | Kakuda City角田市角田 | Miyagi | 95.0 km |
| 1 | Kawauchi Village川内村上川内早渡 | Fukushima | 95.8 km |
| 1 | Shibata Town柴田町船岡 | Miyagi | 99.4 km |
| 1 | Ogawara Town大河原町新南 | Miyagi | 101.8 km |
| 1 | Iwaki Cityいわき市平四ツ波 | Fukushima | 104.6 km |
| 1 | 福島伊達市月舘町 | Fukushima | 105.0 km |
| 1 | Kawamata Town川俣町五百田 | Fukushima | 105.9 km |
| 1 | 福島伊達市霊山町 | Fukushima | 106.1 km |
| 1 | Tamura City田村市常葉町 | Fukushima | 106.5 km |
| 1 | 福島伊達市梁川町 | Fukushima | 107.0 km |
| 1 | Ishinomaki City石巻市桃生町 | Miyagi | 107.3 km |
| 1 | Nihonmatsu City二本松市針道 | Fukushima | 108.2 km |
| 1 | Shiroishi City白石市亘理町 | Miyagi | 109.4 km |
| 1 | Zao Town蔵王町円田 | Miyagi | 109.7 km |
| 1 | 福島伊達市保原町 | Fukushima | 110.1 km |
| 1 | Iwaki Cityいわき市三和町 | Fukushima | 110.6 km |
| 1 | Tamura City田村市船引町 | Fukushima | 111.9 km |
| 1 | Kunimi Town国見町藤田 | Fukushima | 111.9 km |
| 1 | Ono Town小野町小野新町 | Fukushima | 113.0 km |
| 1 | Ono Town小野町中通 | Fukushima | 113.5 km |
| 1 | 福島伊達市前川原 | Fukushima | 114.4 km |
| 1 | 宮城川崎町前川 | Miyagi | 115.0 km |
| 1 | Fukushima City福島市桜木町 | Fukushima | 116.6 km |
| 1 | Fukushima City福島市松木町 | Fukushima | 117.4 km |
| 1 | Nihonmatsu City二本松市油井 | Fukushima | 118.7 km |
| 1 | Motomiya City本宮市白岩 | Fukushima | 121.1 km |
| 1 | Nihonmatsu City二本松市金色 | Fukushima | 121.5 km |
| 1 | Motomiya City本宮市本宮 | Fukushima | 126.3 km |
| 1 | Koriyama City郡山市朝日 | Fukushima | 131.5 km |
| 1 | Tamakawa Village玉川村小高 | Fukushima | 134.5 km |
| 1 | Sukagawa City須賀川市八幡山 | Fukushima | 134.8 km |
| 1 | Kagamiishi Town鏡石町不時沼 | Fukushima | 138.5 km |
| 1 | Sukagawa City須賀川市岩瀬支所 | Fukushima | 140.8 km |
| 1 | Asakawa Town浅川町浅川 | Fukushima | 141.0 km |
| 1 | Tenei Village天栄村下松本 | Fukushima | 145.5 km |
| 1 | Tanagura Town棚倉町棚倉中居野 | Fukushima | 146.1 km |
| 1 | Shirakawa City白河市新白河 | Fukushima | 156.4 km |
| 1 | 双葉町両竹 | Fukushima | — |
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 20, 2021 at 03:13:35Received: July 31, 2026 at 00:29:04
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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.
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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 →