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Note:This page contains AI-generated content for informational and entertainment purposes only. It may contain inaccuracies. Raw event data is from USGS and EMSC. All statistics, lists, and derived information are generated by this site. Full disclaimerFound an error?
Location:
WESTERN TURKEY
Period:
10 Feb 2026 18:59:45 - 12 Feb 2026 16:57:26 (1 day 21 hours 57 minutes)
Volcanoes in 100km radius:
Kula(84km)
Earthquakes:
33
21 swarms found nearby.
2009
S20090217.1(12.4km)
17 Feb
4 days 19 hours
161 earthquakes
2011
S20110329.1(11.8km)
28 Mar
1 day 8 hours
37 earthquakes
S20110519.1(12.9km)
19 May
42 days 15 hours
2795 earthquakes
S20110706.1(14.0km)
5 Jul
4 days 9 hours
63 earthquakes
S20110717.2(12.5km)
17 Jul
7 days 23 hours
114 earthquakes
2012
S20120416.1(19.2km)
16 Apr
16 days 9 hours
393 earthquakes
S20120503.1(16.7km)
3 May
6 days 16 hours
182 earthquakes
S20120619.1(17.7km)
18 Jun
2 days 1 hours
34 earthquakes
2025
19 Apr
4 days 5 hours
107 earthquakes
24 Apr
17 days 3 hours
818 earthquakes
18 May
2 days 18 hours
53 earthquakes
29 May
6 days 15 hours
82 earthquakes
7 Jun
19 days 3 hours
405 earthquakes
28 Jul
1 day 19 hours
36 earthquakes
31 Jul
1 day 16 hours
30 earthquakes
20 Sep
3 days 6 hours
47 earthquakes
28 Sep
30 days 0 hours
1357 earthquakes
20 Nov
4 days 9 hours
76 earthquakes
8 Dec
4 days 20 hours
61 earthquakes
2026
16 Feb
3 days 10 hours
56 earthquakes
10 Apr
4 days 9 hours
220 earthquakes
AI-generated article — for informational and entertainment purposes only. May contain inaccuracies. Full disclaimerFound an error?

Seismic Swarm S20260211.1 in Western Turkey: February 2026 Analysis

Western Turkey occupies a tectonically dynamic zone within the Aegean extensional province, where ongoing convergence between the African and Eurasian plates drives back-arc extension. This setting produces pervasive normal faulting and frequent low-magnitude earthquake sequences. The region’s crust is thinned and highly fractured, with active faults oriented primarily east-west that accommodate north-south stretching at rates of approximately 20–30 mm per year.

Swarm S20260211.1 began at 18:59 on 10 February 2026 and concluded at 16:57 on 12 February 2026, lasting 45 hours and 57 minutes. During this interval, 33 earthquakes were recorded, with magnitudes ranging from 0.9 to 2.8 and focal depths between 7 and 16 km. The sequence displayed a typical swarm pattern: an initial cluster of events on the evening of 10 February, followed by a steady decline in both frequency and magnitude through 11 February, and a final small event on 12 February. Most hypocenters clustered near 7–11 km depth, consistent with brittle failure within the upper crust of this extensional domain.

Such swarms are not uncommon in Western Turkey. Since 2000, nineteen documented swarms have occurred in the same broad area, with notable concentrations in 2009 (one swarm), 2011 (four swarms), 2012 (three swarms), and 2025 (eleven swarms). These episodes reflect episodic fluid migration and stress redistribution along pre-existing faults rather than the mainshock-aftershock behavior associated with larger, isolated events.

The February 2026 swarm remained well below thresholds that produce felt shaking or structural damage. Its characteristics align with the long-term background seismicity of the Aegean extensional regime, where thousands of micro-earthquakes occur annually without escalating into destructive mainshocks.

References

  • Boğaziçi University Kandilli Observatory and Earthquake Research Institute seismic bulletins
  • United States Geological Survey Earthquake Hazards Program regional reports
  • McClusky et al., 2000, Global Positioning System constraints on plate kinematics and dynamics in the eastern Mediterranean and Caucasus, Journal of Geophysical Research