October 21, 2023 at 05:55:00 JST
Off the Coast of Fukushima Prefecture · M4.1 · 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 | Naraha Town楢葉町北田 | Fukushima | 46.1 km |
| 2 | Hitachi City日立市十王町友部 | Ibaraki | 52.4 km |
| 1 | Iwaki Cityいわき市小名浜 | Fukushima | 27.0 km |
| 1 | Iwaki Cityいわき市錦町 | Fukushima | 36.6 km |
| 1 | 福島広野町下北迫大谷地原 | Fukushima | 40.7 km |
| 1 | Kitaibaraki City北茨城市磯原町 | Ibaraki | 41.6 km |
| 1 | Iwaki Cityいわき市三和町 | Fukushima | 42.4 km |
| 1 | Kitaibaraki City北茨城市中郷町 | Ibaraki | 44.0 km |
| 1 | Takahagi City高萩市本町 | Ibaraki | 48.1 km |
| 1 | Takahagi City高萩市安良川 | Ibaraki | 48.5 km |
| 1 | Tomioka Town富岡町本岡 | Fukushima | 51.7 km |
| 1 | Okuma Town大熊町大川原 | Fukushima | 57.4 km |
| 1 | Hitachi City日立市役所 | Ibaraki | 59.3 km |
| 1 | Kawauchi Village川内村上川内早渡 | Fukushima | 59.6 km |
| 1 | Kawauchi Village川内村下川内 | Fukushima | 59.8 km |
| 1 | Kawauchi Village川内村上川内小山平 | Fukushima | 59.9 km |
| 1 | Hitachi City日立市助川小学校 | Ibaraki | 60.0 km |
| 1 | Okuma Town大熊町野上 | Fukushima | 60.5 km |
| 1 | Futaba Town双葉町長塚 | Fukushima | 63.3 km |
| 1 | Hitachiota City常陸太田市町屋町 | Ibaraki | 65.0 km |
| 1 | Ono Town小野町中通 | Fukushima | 65.9 km |
| 1 | Tamura City田村市滝根町 | Fukushima | 66.9 km |
| 1 | Namie Town浪江町幾世橋 | Fukushima | 68.4 km |
| 1 | Tamura City田村市都路町 | Fukushima | 70.1 km |
| 1 | Tokai Village東海村東海 | Ibaraki | 73.8 km |
| 1 | Hitachiota City常陸太田市高柿町 | Ibaraki | 76.7 km |
| 1 | Katsurao Village葛尾村落合落合 | Fukushima | 77.2 km |
| 1 | Hitachiomiya City常陸大宮市山方 | Ibaraki | 77.5 km |
| 1 | Tamura City田村市常葉町 | Fukushima | 77.9 km |
| 1 | Naka City那珂市福田 | Ibaraki | 80.1 km |
| 1 | Hitachiomiya City常陸大宮市北町 | Ibaraki | 80.6 km |
| 1 | Naka City那珂市瓜連 | Ibaraki | 81.1 km |
| 1 | Hitachinaka Cityひたちなか市南神敷台 | Ibaraki | 81.3 km |
| 1 | Tamura City田村市船引町 | Fukushima | 81.6 km |
| 1 | Mito City水戸市栗崎町 | Ibaraki | 86.2 km |
| 1 | Shirosato Town城里町石塚 | Ibaraki | 86.8 km |
| 1 | Mito City水戸市千波町 | Ibaraki | 89.2 km |
| 1 | Koriyama City郡山市開成 | Fukushima | 92.6 km |
| 1 | Shirakawa City白河市新白河 | Fukushima | 93.1 km |
| 1 | Mito City水戸市内原町 | Ibaraki | 96.1 km |
| 1 | Kawamata Town川俣町五百田 | Fukushima | 99.7 km |
| 1 | Kasama City笠間市中央 | Ibaraki | 101.0 km |
| 1 | Nihonmatsu City二本松市油井 | Fukushima | 102.6 km |
| 1 | Kasama City笠間市笠間 | Ibaraki | 102.7 km |
| 1 | Kasama City笠間市石井 | Ibaraki | 102.8 km |
| 1 | Mashiko Town益子町益子 | Tochigi | 110.0 km |
| 1 | 福島伊達市霊山町 | Fukushima | 111.2 km |
| 1 | Sakuragawa City桜川市岩瀬 | Ibaraki | 114.4 km |
| 1 | Ishioka City石岡市柿岡 | Ibaraki | 116.7 km |
| 1 | Sakuragawa City桜川市羽田 | Ibaraki | 117.7 km |
| 1 | Sakuragawa City桜川市真壁 | Ibaraki | 121.5 km |
| 1 | Chikusei City筑西市門井 | Ibaraki | 122.3 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: October 21, 2023 at 05:59:10Received: July 31, 2026 at 00:24:39
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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 →