Open Earth

M5.7 quake 197 km NW of Hihifo, Tonga leads 19 notable earthquakes on 23 September 2026

Daily planet briefing

Quakes M2.5+

19

19 of any size

Strongest

M5.7

197 km NW of Hihifo, Tonga

Other hazards

23

Fires, storms, floods, eruptions

Peak Kp

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Geomagnetic activity

Earthquakes

Seismic networks reported 19 earthquakes in total, 19 of them magnitude 2.5 or above. That is in line with the previous week's average of 19 a day.

The strongest was a magnitude 5.7 197 km NW of Hihifo, Tonga, at a depth of 10 km.

Across the day, 5 quakes reached magnitude 5 or more, 19 quakes reached magnitude 4 or more.

Volcanoes, fires, storms and floods

New entries on the hazard record: 2 floods, 1 storm, 20 wildfires.

Sky & Space

4 asteroids passed Earth. The closest, (2026 SE1), came within 2.8 lunar distances and is 13 m across.

1 orbital launch was scheduled.