Earthquake M4.1 – Off the south Coast of Boso Peninsula
Origin Time (UTC)
15:02:00 30.06.26
Magnitude
4.1 M
Agency
EMSC, GFZ
Coordinates
34.500000°N 140.200000°E
Energy Release
21.30 t
Weather
N/A
Depth
60 KM
A magnitude 4.1 earthquake struck Off the south Coast of Boso Peninsula on June 30, 2026. Based on seismic calculations, the event released an energy equivalent to approximately 21.30 t of TNT. The earthquake originated at a depth of 60 km below the surface.
Nearby Events
| Time | Mag | Epicenter | Explore |
|---|---|---|---|
|
18:03:00
26/07/2026
|
2.8
|
Aizu, Fukushima Prefecture
37.1000°N 139.4000°E |
10 KM |
GFZ
|
MAP
EVENT
|
|
14:45:00
26/07/2026
|
3.1
|
Northern Ibaraki Prefecture
36.8000°N 140.6000°E |
10 KM |
EMSC, GFZ
|
MAP
EVENT
|
|
14:53:00
25/07/2026
|
2.3
|
Aizu, Fukushima Prefecture
37.1000°N 139.4000°E |
10 KM |
GFZ
|
MAP
EVENT
|
|
05:04:00
25/07/2026
|
2.7
|
Adjacent Sea of Niijima Island, Kozushima Island
34.5000°N 139.4000°E |
10 KM |
GFZ
|
MAP
EVENT
|
|
23:18:21
24/07/2026
|
4.4
|
182 km SSE of Tateyama, Japan
33.3698°N 140.2775°E |
73.07 KM |
EMSC, USGS
|
MAP
EVENT
|