July 20, 2021 at 08:04:00 JST
Adjacent Sea of Okinawa Main Island · M4.8 · Shindo 1
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.
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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 |
|---|---|---|---|
| 1 | Wadomari Town和泊町国頭 | Kagoshima | 150.3 km |
| 1 | Wadomari Town和泊町和泊 | Kagoshima | 151.0 km |
| 1 | Isen Town伊仙町伊仙 | Kagoshima | 153.8 km |
| 1 | Yoron Town与論町茶花 | Kagoshima | 155.3 km |
| 1 | China Town知名町瀬利覚 | Kagoshima | 156.7 km |
| 1 | Kunigami Village国頭村奥 | Okinawa | 164.1 km |
| 1 | Kunigami Village国頭村辺土名 | Okinawa | 172.9 km |
| 1 | Nago City名護市港 | Okinawa | 191.2 km |
| 1 | Nakijin Village今帰仁村仲宗根 | Okinawa | 192.4 km |
| 1 | Motobu Town本部町役場 | Okinawa | 199.3 km |
| 1 | Onna Village恩納村恩納 | Okinawa | 204.6 km |
| 1 | Uruma Cityうるま市みどり町 | Okinawa | 204.8 km |
| 1 | Nanjo City南城市佐敷字佐敷 | Okinawa | 215.9 km |
| 1 | Yomitan Village読谷村座喜味 | Okinawa | 216.0 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 08:08:09Received: 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 →