18 Sept 2026, 21:15 UTC · Sep 18, 5:15 PM ET

M4.5 earthquake 27 km E of Ōarai, Japan

A magnitude 4.5 earthquake struck 27 km E of Ōarai, Japan at Sep 18, 5:15 PM ET, 45 km deep, light – felt by most people nearby, rattling windows, rarely damage.

M4.5 27 km E of Ōarai, JapanM4.7 6 km ESE of Tōgane, JapanM4.7 7 km ENE of Hasaki, JapanM4.7 24 km ENE of Iwaki, JapanM4.7 87 km ENE of Hasaki, JapanM4.8 1 km SE of Ishige, JapanM4.8 4 km W of Iwai, JapanM4.8 6 km WSW of Tsukuba, JapanM4.9 3 km WSW of Shibayama, JapanM4.9 83 km ENE of Hasaki, JapanM5.3 0 km NNE of Yōkaichiba, JapanM5.8 3 km E of Fujishiro, JapanM5.8 2 km ESE of Yōkaichiba, Japan
under 33–44–55–66+
Magnitude4.5 mb
Time18 Sept 2026, 21:15 UTC
Location36.306°, 140.889° – 27 km E of Ōarai, Japan
Depth45.4 km
Felt reports0
USGS eventus7000tifm
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.83 km E of Fujishiro, Japan · PAGER greenAug 22, 1:00 PM
55 d ago
61 km156 reports
5.82 km ESE of Yōkaichiba, Japan · PAGER greenJun 25, 11:46 PM
113 d ago
43 km66 reports
5.30 km NNE of Yōkaichiba, JapanOct 1, 8:27 AM
15 d ago
42 km25 reports
4.93 km WSW of Shibayama, JapanOct 7, 3:13 PM
9 d ago
73 km4 reports
4.983 km ENE of Hasaki, JapanMay 1, 9:00 AM
168 d ago
25 km–
4.81 km SE of Ishige, JapanSep 16, 11:07 AM
30 d ago
80 km73 reports
4.84 km W of Iwai, JapanMar 31, 9:06 PM
199 d ago
54 km52 reports
4.86 km WSW of Tsukuba, JapanDec 12, 5:05 AM
308 d ago
63 km60 reports
4.76 km ESE of Tōgane, JapanOct 11, 12:24 PM
5 d ago
56 km–
4.77 km ENE of Hasaki, JapanAug 29, 11:17 AM
48 d ago
35 km12 reports
4.724 km ENE of Iwaki, JapanAug 14, 9:10 PM
63 d ago
58 km2 reports
4.787 km ENE of Hasaki, JapanNov 12, 7:54 PM
338 d ago
28 km–
FAQ

About this earthquake

How strong was the 27 km E of Ōarai, Japan earthquake?

Magnitude 4.5 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 45 km.

Was it felt?

No felt reports have been submitted to the USGS so far.

Were there aftershocks?

1 earthquakes within 100 km in the following two weeks are in our records, the strongest M5.3.

Earthquakes

More

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.

Cookies

We measure traffic so we know which stories you care about. You can change your choice at any time.

M4.5 earthquake 27 km E of Ōarai, Japan — 77.today