August 31, 2021 at 18:17:00 JST
Western Oita Prefecture · M3.3 · Shindo 2
大分県西部
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.
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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 | Ubuyama Village産山村山鹿 | Kumamoto | 11.2 km |
| 2 | Minamioguni Town南小国町赤馬場 | Kumamoto | 12.1 km |
| 2 | 熊本小国町宮原 | Kumamoto | 12.3 km |
| 2 | Kokonoe Town九重町後野上 | Oita | 14.4 km |
| 1 | Aso City阿蘇市波野 | Kumamoto | 19.1 km |
| 1 | Aso City阿蘇市一の宮町 | Kumamoto | 20.3 km |
| 1 | Hita City日田市上津江町 | Oita | 20.5 km |
| 1 | Aso City阿蘇市内牧 | Kumamoto | 20.8 km |
| 1 | Kusu Town玖珠町帆足 | Oita | 20.8 km |
| 1 | 竹田市荻町 | Oita | 22.0 km |
| 1 | Hita City日田市中津江村栃野 | Oita | 23.6 km |
| 1 | Minamiaso Village南阿蘇村中松 | Kumamoto | 27.1 km |
| 1 | Hita City日田市前津江町 | Oita | 28.8 km |
| 1 | 熊本高森町高森 | Kumamoto | 30.9 km |
| 1 | Yame City八女市矢部村 | Fukuoka | 35.9 km |
| 1 | Yame City八女市黒木町今 | Fukuoka | 51.2 km |
| 1 | Iizuka City飯塚市立岩 | Fukuoka | 76.7 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 31, 2021 at 18:20:37Received: July 31, 2026 at 00:28:32
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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 →