Iceland earthquakes, October 2025
3,698 earthquakes in Iceland in October 2025. Largest M4.2 near Bárðarbunga at 0.0 km depth. 13 reached magnitude 3 or greater.
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- Total earthquakes
- 3,698
- Largest earthquake
- M4.2
- near Bárðarbunga
- Depth range
- 0.0 km - 25.0 km
- Most active area
- Kleifarvatn
By magnitude
<M1
3,154
M1-2
468
M2-3
63
M3-4
12
M4-5
1
M5+
0
In context
- The most active month in Iceland since August 2025.
- Its largest quake, M4.2, was the biggest in Iceland since July 2025.