Earthquake details

Saturday, August 4, 1990 Earthquake

The earthquake hit Japan on Saturday, August 4, 1990 at 08:31 UTC with a magnitude of 5.1. The closest known location in the current dataset is Hirara (Japan - JP), about 227.7 km away. The epicenter is located at longitude 125.369 and latitude 26.848.

Magnitude	5.1
Alert	Strong
Depth	225.1 km
Coordinates	26.848, 125.369
UTC time	1990-08-04 08:31:51.060

Location	Naha
Country	Japan (JP)
Severity	Strong

Earthquake map 1990-08-04

Closest countries

The 12 closest cities near the epicenter.

Hirara	227.7 km
Miyakojima	229.1 km
Naha	240.6 km
Yomitan	241.6 km
Tomigusuku	241.9 km
Itoman	242.8 km
Urasoe	244.1 km
Nishihara	245.5 km
Kanegusuku	245.7 km
Ginowan	247.0 km
Okinawa	248.7 km
Yaese	249.8 km

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.

M 4.3 Naha Japan · 2026-04-07 21:04 UTC	338.2 km
M 4.7 Naha Japan · 2026-04-07 20:28 UTC	326.3 km
M 4.5 Naha Japan · 2026-04-07 20:05 UTC	330.1 km
M 4.7 Naha Japan · 2026-03-20 03:35 UTC	335.7 km
M 4.4 Naha Japan · 2026-03-09 20:05 UTC	323.0 km
M 4.3 Naha Japan · 2026-02-09 01:10 UTC	284.2 km
M 4.1 Naha Japan · 2025-11-25 01:44 UTC	179.2 km
M 4.5 Naha Japan · 2025-11-19 17:17 UTC	324.4 km

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