Open Earth

M5.6 quake 74 km S of Yonakuni, Japan leads 18 notable earthquakes on 30 September 2026

Daily planet briefing

Quakes M2.5+

18

18 of any size

Strongest

M5.6

74 km S of Yonakuni, Japan

Other hazards

11

Fires, storms, floods, eruptions

Peak Kp

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Geomagnetic activity

Earthquakes

Seismic networks reported 18 earthquakes in total, 18 of them magnitude 2.5 or above. That is in line with the previous week's average of 22 a day.

The strongest was a magnitude 5.6 74 km S of Yonakuni, Japan, at a depth of 11 km. 11 people reported feeling it.

Across the day, 8 quakes reached magnitude 5 or more, 18 quakes reached magnitude 4 or more.

Volcanoes, fires, storms and floods

New entries on the hazard record: 1 flood, 1 storm, 9 wildfires.

Sky & Space

5 asteroids passed Earth. The closest, (2018 SP2), came within 5.0 lunar distances and is 44 m across.