July 4, 2021 at 01:24:00 JST
Off the Coast of Iwate Prefecture · M4.0 · Shindo 2
岩手県沖
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.
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| Shindo | Station | Prefecture | Distance from epicentre |
|---|---|---|---|
| 2 | Miyako City宮古市鍬ヶ崎 | Iwate | 12.7 km |
| 2 | Miyako City宮古市五月町 | Iwate | 14.0 km |
| 2 | Yamada Town山田町大沢 | Iwate | 16.6 km |
| 2 | Miyako City宮古市田老 | Iwate | 19.1 km |
| 2 | Yamada Town山田町八幡町 | Iwate | 19.5 km |
| 2 | Miyako City宮古市川井 | Iwate | 36.1 km |
| 1 | Miyako City宮古市長沢 | Iwate | 24.2 km |
| 1 | Miyako City宮古市茂市 | Iwate | 26.8 km |
| 1 | Iwaizumi Town岩泉町岩泉 | Iwate | 37.0 km |
| 1 | Kamaishi City釜石市只越町 | Iwate | 40.4 km |
| 1 | Tanohata Village田野畑村役場 | Iwate | 40.8 km |
| 1 | Kamaishi City釜石市中妻町 | Iwate | 42.1 km |
| 1 | Tanohata Village田野畑村田野畑 | Iwate | 43.1 km |
| 1 | Fudai Village普代村銅屋 | Iwate | 48.9 km |
| 1 | Tono City遠野市青笹町 | Iwate | 55.3 km |
| 1 | Noda Village野田村野田 | Iwate | 61.5 km |
| 1 | Sumita Town住田町世田米 | Iwate | 67.9 km |
| 1 | Ofunato City大船渡市大船渡町 | Iwate | 68.0 km |
| 1 | Morioka City盛岡市薮川 | Iwate | 69.0 km |
| 1 | Kuji City久慈市枝成沢 | Iwate | 75.0 km |
| 1 | Kuzumaki Town葛巻町葛巻元木 | Iwate | 78.9 km |
| 1 | Morioka City盛岡市山王町 | Iwate | 81.0 km |
| 1 | Morioka City盛岡市渋民 | Iwate | 84.4 km |
| 1 | 岩手洋野町大野 | Iwate | 85.9 km |
| 1 | Kesennuma City気仙沼市唐桑町 | Miyagi | 86.9 km |
| 1 | Kesennuma City気仙沼市赤岩 | Miyagi | 91.9 km |
| 1 | Ichinoseki City一関市室根町 | Iwate | 92.8 km |
| 1 | Hachimantai City八幡平市田頭 | Iwate | 94.4 km |
| 1 | Karumai Town軽米町軽米 | Iwate | 97.8 km |
| 1 | Hashikami Town階上町道仏 | Aomori | 102.9 km |
| 1 | Hachinohe City八戸市内丸 | Aomori | 113.7 km |
| 1 | Hachinohe City八戸市湊町 | Aomori | 114.3 km |
| 1 | 青森南部町苫米地 | Aomori | 114.5 km |
| 1 | Gonohe Town五戸町古舘 | Aomori | 123.5 km |
| 1 | 大槌町小鎚 | Iwate | — |
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: July 4, 2021 at 01:27:13Received: July 31, 2026 at 00:28:45
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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 →