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9 Aug 2026, 09:59 UTC · Aug 9, 5:59 AM ET

M4.6 earthquake 1 km WSW of Inzai, Japan

A magnitude 4.6 earthquake struck 1 km WSW of Inzai, Japan at Aug 9, 5:59 AM ET, 77 km deep, light – felt by most people nearby, rattling windows, rarely damage.

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M4.6 1 km WSW of Inzai, JapanM4.7 6 km ESE of Tōgane, JapanM4.7 7 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 2 km SW of Sakai, JapanM4.9 1 km SW of Kiryū, JapanM5.3 0 km NNE of Yōkaichiba, JapanM5.3 2 km SW of Koga, JapanM5.8 3 km E of Fujishiro, JapanM5.8 2 km ESE of Yōkaichiba, Japan
under 33–44–55–66+
Magnitude4.6 mb
Time9 Aug 2026, 09:59 UTC
Location35.829°, 140.147° – 1 km WSW of Inzai, Japan
Depth77.4 km
Felt reports0
USGS eventus6000tker
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
5.32 km SW of Koga, Japan · PAGER greenJun 16, 6:46 AM
122 d ago		64 km131 reports
4.93 km WSW of Shibayama, JapanOct 7, 3:13 PM
9 d ago		73 km4 reports
4.92 km SW of Sakai, JapanSep 28, 3:45 PM
18 d ago		71 km69 reports
4.91 km SW of Kiryū, JapanMar 15, 1:06 AM
216 d ago		96 km14 reports
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
FAQ

About this earthquake

How strong was the 1 km WSW of Inzai, Japan earthquake?

Magnitude 4.6 (mb), light – felt by most people nearby, rattling windows, rarely damage. Depth 77 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 M5.8.

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.

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M4.6 earthquake 1 km WSW of Inzai, Japan — 77.today