M6.1 Earthquake · Off the Coast of Sanriku

← Back to map
M6.1

M6.1 Earthquake · Off the Coast of Sanriku

2026-08-26 19:21 UTC Green

Magnitude / Depth

Magnitude
M6.1 M
Depth
10 km
Tsunami
no
Time
2026-08-26 19:21 UTC
Coordinates
38.100°, 143.900°
Region
Off the Coast of Sanriku
Preferred source
JMA
Source count
5
USGS PAGER alert level
Green Yellow Orange Red

Little or no impact expected — no or only light damage.

Automatic preliminary estimate by the USGS, based on magnitude, depth and exposed population — not a damage report. The level may still change in the first hours.

Coordinates

Source comparison

These 5 observation services measured the earthquake. Magnitudes and depths vary slightly depending on analysis methodology.

Source Origin time Magnitude Depth Link
jma
20260827042149
2026-08-26 19:21:00 UTC 6.1 M 10 km
emsc
20260826_0000267
2026-08-26 19:21:41 UTC 5.6 mw 10 km
geofon
gfz2026qsmo
2026-08-26 19:21:42 UTC 5.6 Mw 10 km
usgs
us7000tc18
2026-08-26 19:21:42 UTC 5.6 mww 16.1 km
ingv
47007142
2026-08-26 19:21:42 UTC 5.7 Mwp 8.6 km

Data last updated: 2026-08-27T17:07:01.278532Z