M6.4 quake 50 km NNE of Kainantu, Papua New Guinea leads 28 notable earthquakes on 20 September 2026
Quakes M2.5+
28
28 of any size
Strongest
M6.4
50 km NNE of Kainantu, Papua New Guinea
Other hazards
18
Fires, storms, floods, eruptions
Peak Kp
—
Geomagnetic activity
Earthquakes
Seismic networks reported 28 earthquakes in total, 28 of them magnitude 2.5 or above. That is busier than the previous week's average of 11 a day.
The strongest was a magnitude 6.4 50 km NNE of Kainantu, Papua New Guinea, at a depth of 113 km. 30 people reported feeling it.
Across the day, 1 quake reached magnitude 6 or more, 11 quakes reached magnitude 5 or more, 28 quakes reached magnitude 4 or more.
- 6.450 km NNE of Kainantu, Papua New Guinea20 Sept 2026, 09:17 UTC · 113 km deep
- 5.5south of Africa20 Sept 2026, 20:54 UTC · 10 km deep
- 5.460 km NE of Kainantu, Papua New Guinea20 Sept 2026, 12:45 UTC · 109 km deep
- 5.3Reykjanes Ridge20 Sept 2026, 00:58 UTC · 10 km deep
- 5.3120 km ESE of Yigo Village, Guam20 Sept 2026, 03:43 UTC · 10 km deep
- 5.361 km WNW of Cafayate, Argentina20 Sept 2026, 08:47 UTC · 10 km deep
- 5.2104 km W of Hihifo, Tonga20 Sept 2026, 13:00 UTC · 10 km deep
- 5.117 km WNW of Naze, Japan20 Sept 2026, 07:28 UTC · 69 km deep
Volcanoes, fires, storms and floods
New entries on the hazard record: 1 flood, 2 storms, 15 wildfires.
Sky & Space
5 asteroids passed Earth. The closest, (2026 SZ2), came within 0.1 lunar distances and is 3 m across.
2 orbital launches were scheduled.