December 17, 2021 at 04:36:00 JST
Adjacent Sea of Amami-Oshima Island · M4.1 · 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.
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 | Amagi Town天城町平土野 | Kagoshima | 39.4 km |
| 2 | Isen Town伊仙町伊仙 | Kagoshima | 45.1 km |
| 2 | China Town知名町瀬利覚 | Kagoshima | 49.1 km |
| 1 | Amagi Town天城町当部 | Kagoshima | 44.2 km |
| 1 | Wadomari Town和泊町国頭 | Kagoshima | 45.4 km |
| 1 | Wadomari Town和泊町和泊 | Kagoshima | 48.1 km |
| 1 | China Town知名町知名 | Kagoshima | 52.5 km |
| 1 | Setouchi Town瀬戸内町与路島 | Kagoshima | 70.2 km |
| 1 | Setouchi Town瀬戸内町加計呂麻島 | Kagoshima | 81.9 km |
| 1 | Setouchi Town瀬戸内町西古見 | Kagoshima | 82.6 km |
| 1 | Yoron Town与論町茶花 | Kagoshima | 83.5 km |
| 1 | 奄美市名瀬港町 | Kagoshima | — |
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: December 17, 2021 at 04:40:06Received: July 31, 2026 at 00:27:57
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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 →