M4.4 earthquake 52 km NW of Amagi, Japan
A magnitude 4.4 earthquake struck 52 km NW of Amagi, Japan on Sun, Aug 23, 2026, 3:44 AM JST (18:44 UTC), 84 km (52 mi) below the surface.
A larger quake followed: M5.1 14 km WNW of Naze, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.4 (mb), light
- Local time
- UTC
- 2026-08-22 18:44:56 UTC
- Depth
- 83.9 km (52.1 mi), intermediate-depth
- Epicenter
- 28.173° N, 128.548° E
- Region
- Japan
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 10.8 km horizontally, 9.5 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 118°
- Stations used
- 32
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 since this one and 1 in the 30 days before it.
After
- 4.470 km NNW of Uken, Japan · 4 days ago · 10 km deep · 80 km away
- 5.114 km WNW of Naze, Japan · 2 days ago · 69 km deep · 81 km away · felt by 1
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000tmtp. Read Tue, Sep 22, 2026, 9:57 AM UTC.