Earthquake details

Thursday, August 9, 1984 Earthquake

The earthquake hit Japan on Thursday, August 9, 1984 at 17:59 UTC with a magnitude of 5.2. The closest known location in the current dataset is Kitaibaraki (Japan - JP), about 89.6 km away. The epicenter is located at longitude 141.616 and latitude 36.383.

Magnitude 5.2
Alert Strong
Depth 33.0 km
Coordinates 36.383, 141.616
UTC time 1984-08-09 17:59:32.460
Location Iwaki
Country Japan (JP)
Severity Strong

Earthquake map 1984-08-09

Nearby earthquakes

The latest 8 earthquakes within 100 km of this epicenter.
M 4.3
Kōriyama
Japan · 2026-05-05 19:35 UTC
158.6 km
M 4.1
Iwaki
Japan · 2026-04-05 17:28 UTC
124.4 km
M 4.2
Iwaki
Japan · 2026-03-24 14:03 UTC
96.8 km
M 4.5
Minami-Sōma
Japan · 2026-03-10 06:28 UTC
131.5 km
M 4.3
Iwaki
Japan · 2026-02-15 08:28 UTC
111.4 km
M 4.6
Iwaki
Japan · 2026-02-03 09:03 UTC
61.0 km
M 4.3
Mito
Japan · 2026-01-30 18:47 UTC
83.1 km
M 4.0
Hitachiomiya
Japan · 2026-01-23 21:20 UTC
122.6 km

Stay informed

Earthquake alerts

Create targeted notifications for important seismic activity near the places you follow.

Choose the places you want to monitor.
Set a minimum magnitude for notifications.