July 23, 2018 at 17:31:00 JST
Adjacent Sea of Okinawa Main Island · M4.0 · Shindo 2
沖縄本島近海
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 | China Town知名町知名 | Kagoshima | 7.7 km |
| 2 | China Town知名町瀬利覚 | Kagoshima | 9.7 km |
| 2 | Yoron Town与論町茶花 | Kagoshima | 28.8 km |
| 2 | Amagi Town天城町平土野 | Kagoshima | 69.0 km |
| 1 | Wadomari Town和泊町和泊 | Kagoshima | 18.7 km |
| 1 | Wadomari Town和泊町国頭 | Kagoshima | 25.1 km |
| 1 | Kunigami Village国頭村奥 | Okinawa | 56.1 km |
| 1 | Iheya Village伊平屋村役場 | Okinawa | 59.5 km |
| 1 | Isen Town伊仙町伊仙 | Kagoshima | 61.3 km |
| 1 | Kunigami Village国頭村辺土名 | Okinawa | 70.2 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 23, 2018 at 17:34:00Received: July 31, 2026 at 00:35:53
- P2PQUAKEIssued: July 23, 2018 at 17:34:00Received: July 31, 2026 at 00:35:53
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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 →