M4.1 earthquake 116 km ESE of Yamada, Japan
A magnitude 4.1 earthquake struck 116 km ESE of Yamada, Japan on Sat, Aug 1, 2026, 7:01 AM JST (22:01 UTC), 30 km (19 mi) below the surface.
A larger quake followed: M5.3 151 km E of Miyako, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2026-07-31 22:01:54 UTC
- Depth
- 30.3 km (18.9 mi), shallow
- Epicenter
- 39.230° N, 143.262° 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 10.1 km horizontally, 8.3 km in depth
- Magnitude uncertainty
- ±0.13
- Depth from
- From location
- Station coverage gap
- 194°, poorly surrounded by stations
- Stations used
- 31
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 12 in the 60 days after this one and 4 in the 30 days before it.
After
- 4.5122 km E of Miyako, Japan · 60 days ago · 35 km deep · 55 km away
- 5.3151 km E of Miyako, Japan · 57 days ago · 10 km deep · 57 km away
- 4.6153 km E of Miyako, Japan · 57 days ago · 10 km deep · 60 km away
- 4.2111 km E of Miyako, Japan · 54 days ago · 35 km deep · 52 km away
- 4.3109 km ENE of Miyako, Japan · 39 days ago · 33 km deep · 89 km away
- 4.8150 km E of Miyako, Japan · 37 days ago · 10 km deep · 65 km away
- 4.8111 km E of Miyako, Japan · 35 days ago · 29 km deep · 48 km away
- 4.2117 km E of Miyako, Japan · 34 days ago · 35 km deep · 65 km away
- 4.5118 km E of Noda, Japan · 21 days ago · 23 km deep · 96 km away
- 4.4121 km E of Miyako, Japan · 10 days ago · 26 km deep · 49 km away
- 4.4115 km ENE of Miyako, Japan · 10 days ago · 38 km deep · 77 km away
- 4.4102 km E of Miyako, Japan · 3 days ago · 37 km deep · 52 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event us6000thci. Read Fri, Oct 2, 2026, 12:42 PM UTC.