July 20, 2021 at 13:58:00 JST
Adjacent Sea of Amami-Oshima Island · M4.2 · Shindo 2
奄美大島近海
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 | Setouchi Town瀬戸内町加計呂麻島 | Kagoshima | 26.1 km |
| 2 | Setouchi Town瀬戸内町請島 | Kagoshima | 32.5 km |
| 2 | Amami City奄美市笠利町里 | Kagoshima | 32.9 km |
| 2 | Setouchi Town瀬戸内町与路島 | Kagoshima | 37.8 km |
| 2 | 奄美市名瀬港町 | Kagoshima | — |
| 1 | Amami City奄美市住用町西仲間 | Kagoshima | 11.8 km |
| 1 | Setouchi Town瀬戸内町古仁屋 | Kagoshima | 18.9 km |
| 1 | Amami City奄美市名瀬幸町 | Kagoshima | 20.0 km |
| 1 | Yamato Village大和村思勝 | Kagoshima | 20.8 km |
| 1 | Uken Village宇検村湯湾 | Kagoshima | 21.5 km |
| 1 | Tatsugo Town龍郷町屋入 | Kagoshima | 25.9 km |
| 1 | Setouchi Town瀬戸内町西古見 | Kagoshima | 32.3 km |
| 1 | Kikai Town喜界町滝川 | Kagoshima | 47.9 km |
| 1 | Amagi Town天城町平土野 | Kagoshima | 73.1 km |
| 1 | Isen Town伊仙町伊仙 | Kagoshima | 78.9 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: July 20, 2021 at 14:02:02Received: July 31, 2026 at 00:28:43
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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 →