April 1, 2021 at 13:30:00 JST
Off the east Coast of Aomori Prefecture · M4.5 · Shindo 3
青森県東方沖
Off the east Coast of Aomori Prefecture earthquake history →
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 |
|---|---|---|---|
| 3 | Higashidori Village東通村砂子又沢内 | Aomori | 68.9 km |
| 2 | Higashidori Village東通村砂子又蒲谷地 | Aomori | 69.0 km |
| 2 | Hashikami Town階上町道仏 | Aomori | 123.4 km |
| 1 | Higashidori Village東通村尻屋 | Aomori | 55.2 km |
| 1 | Higashidori Village東通村白糠 | Aomori | 70.5 km |
| 1 | Mutsu Cityむつ市金曲 | Aomori | 78.1 km |
| 1 | Mutsu Cityむつ市大畑町中島 | Aomori | 78.3 km |
| 1 | Rokkasho Village六ヶ所村出戸 | Aomori | 82.3 km |
| 1 | Yokohama Town横浜町林ノ脇 | Aomori | 84.4 km |
| 1 | Rokkasho Village六ヶ所村尾駮 | Aomori | 85.0 km |
| 1 | Hakodate City函館市新浜町 | Hokkaido | 88.0 km |
| 1 | Hakodate City函館市日ノ浜町 | Hokkaido | 88.5 km |
| 1 | Shinhidaka Town新ひだか町三石旭町 | Hokkaido | 91.6 km |
| 1 | Urakawa Town浦河町潮見 | Hokkaido | 92.5 km |
| 1 | Urakawa Town浦河町築地 | Hokkaido | 92.9 km |
| 1 | Hakodate City函館市泊町 | Hokkaido | 94.9 km |
| 1 | Shinhidaka Town新ひだか町静内山手町 | Hokkaido | 96.3 km |
| 1 | Mutsu Cityむつ市川内町 | Aomori | 97.9 km |
| 1 | Samani Town様似町栄町 | Hokkaido | 98.8 km |
| 1 | Noheji Town野辺地町田狭沢 | Aomori | 106.7 km |
| 1 | Erimo Townえりも町えりも岬 | Hokkaido | 106.7 km |
| 1 | Noheji Town野辺地町野辺地 | Aomori | 108.1 km |
| 1 | Misawa City三沢市桜町 | Aomori | 109.8 km |
| 1 | Tohoku Town東北町上北南 | Aomori | 110.9 km |
| 1 | Shichinohe Town七戸町森ノ上 | Aomori | 115.6 km |
| 1 | Hachinohe City八戸市湊町 | Aomori | 118.4 km |
| 1 | Shichinohe Town七戸町七戸 | Aomori | 119.4 km |
| 1 | Hachinohe City八戸市内丸 | Aomori | 121.3 km |
| 1 | 岩手洋野町種市 | Iwate | 125.4 km |
| 1 | Atsuma Town厚真町鹿沼 | Hokkaido | 125.7 km |
| 1 | Gonohe Town五戸町古舘 | Aomori | 126.5 km |
| 1 | 青森南部町苫米地 | Aomori | 129.4 km |
| 1 | Gonohe Town五戸町倉石中市 | Aomori | 131.2 km |
| 1 | Hachinohe City八戸市南郷 | Aomori | 134.2 km |
| 1 | Karumai Town軽米町軽米 | Iwate | 140.7 km |
| 1 | Abira Town安平町早来北進 | Hokkaido | 143.0 km |
| 1 | Kuji City久慈市枝成沢 | Iwate | 147.5 km |
| 1 | Chitose City千歳市若草 | Hokkaido | 149.1 km |
| 1 | Morioka City盛岡市薮川 | Iwate | 201.8 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: April 1, 2021 at 13:34:00Received: July 31, 2026 at 00:29:18
- P2PQUAKEIssued: April 1, 2021 at 13:33:18Received: July 31, 2026 at 00:29:18
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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 →