August 23, 2021 at 04:17:00 JST
Northern Inland of Iwate Prefecture · M4.1 · Shindo 2
岩手県内陸北部
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.
View local history
View local history
View local history
View local history
View local history
View local history
View local history
View local history
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 | Kuji City久慈市枝成沢 | Iwate | 28.9 km |
| 2 | Hachinohe City八戸市南郷 | Aomori | 33.5 km |
| 2 | Noda Village野田村野田 | Iwate | 35.8 km |
| 2 | 青森南部町苫米地 | Aomori | 41.1 km |
| 2 | Hashikami Town階上町道仏 | Aomori | 43.1 km |
| 1 | Kuzumaki Town葛巻町役場 | Iwate | 7.5 km |
| 1 | Kuzumaki Town葛巻町消防分署 | Iwate | 7.9 km |
| 1 | Kunohe Village九戸村伊保内 | Iwate | 12.3 km |
| 1 | Kuzumaki Town葛巻町葛巻元木 | Iwate | 14.1 km |
| 1 | Kuji City久慈市山形町 | Iwate | 15.5 km |
| 1 | Iwate Town岩手町五日市 | Iwate | 21.7 km |
| 1 | Ninohe City二戸市浄法寺町 | Iwate | 22.3 km |
| 1 | Karumai Town軽米町軽米 | Iwate | 26.0 km |
| 1 | 岩手洋野町大野 | Iwate | 27.4 km |
| 1 | Kuji City久慈市長内町 | Iwate | 31.9 km |
| 1 | Hachinohe City八戸市島守 | Aomori | 32.2 km |
| 1 | Sannohe Town三戸町在府小路町 | Aomori | 33.3 km |
| 1 | Kuji City久慈市川崎町 | Iwate | 33.5 km |
| 1 | Hachimantai City八幡平市田頭 | Iwate | 33.9 km |
| 1 | Morioka City盛岡市渋民 | Iwate | 34.0 km |
| 1 | 青森南部町平 | Aomori | 36.0 km |
| 1 | Morioka City盛岡市薮川 | Iwate | 36.0 km |
| 1 | Fudai Village普代村銅屋 | Iwate | 43.0 km |
| 1 | Tanohata Village田野畑村田野畑 | Iwate | 43.0 km |
| 1 | 岩手洋野町種市 | Iwate | 43.7 km |
| 1 | Iwaizumi Town岩泉町岩泉 | Iwate | 44.7 km |
| 1 | Hachinohe City八戸市内丸 | Aomori | 46.2 km |
| 1 | Gonohe Town五戸町古舘 | Aomori | 48.6 km |
| 1 | Hachinohe City八戸市湊町 | Aomori | 48.7 km |
| 1 | Morioka City盛岡市山王町 | Iwate | 48.9 km |
| 1 | Morioka City盛岡市馬場町 | Iwate | 49.3 km |
| 1 | Miyako City宮古市区界 | Iwate | 52.3 km |
| 1 | Yahaba Town矢巾町南矢幅 | Iwate | 58.8 km |
| 1 | Miyako City宮古市川井 | Iwate | 60.5 km |
| 1 | Miyako City宮古市田老 | Iwate | 63.0 km |
| 1 | Miyako City宮古市鍬ヶ崎 | Iwate | 69.8 km |
| 1 | Hanamaki City花巻市東和町 | Iwate | 80.2 km |
| 1 | Tono City遠野市青笹町 | Iwate | 86.6 km |
| 1 | Kamaishi City釜石市中妻町 | Iwate | 100.2 km |
| 1 | Ichinoseki City一関市千厩町 | Iwate | 131.1 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: August 23, 2021 at 04:20:17Received: July 31, 2026 at 00:28:36
Follow the next earthquake from the places that matter
Save important places, compare locally observed Shindo and receive notifications after station readings are confirmed.
- ✓Saved places
- ✓Local Shindo
- ✓Observed alerts
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 →