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Iceland earthquakes, 15 September 2026

117 earthquakes in Iceland on 15 September 2026. Largest M4.2 near Langjökull at 3.4 km depth. 2 reached magnitude 3 or greater.

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By the numbers

Total earthquakes
117
Largest earthquake
M4.2
near Langjökull
Depth range
0.0 km - 23.1 km
M4.2 near Langjökull - 3.4 km deep - 15 September 2026, 14:18 UTCView this quake on the map →

Over time

Bar colour = its largest quake:M3M4M5+

Earthquakes per hourRunning total

Busiest hour: 22:00-23:00 UTC, 33 earthquakes.

Most active areas

  1. Reykjaneshryggur
    45
  2. Langjökull
    18
  3. Kleifarvatn
    15
  4. Dyngjufjöll
    6
  5. Bárðarbunga
    5

By magnitude

<M1
51
M1-2
40
M2-3
24
M3-4
1
M4-5
1
M5+
0

In context

  • About 1.4 times as many earthquakes as a typical day over the past year (median 83).
  • Its largest quake, M4.2, was the biggest in Iceland since July 2026.