M6.1 Western Turkey

Similar Stochastic Events | Summary
Posting Date: November 23, 2022, 5:00:00 PM

A magnitude 6.1 earthquake struck Turkey Wednesday morning, near the town of Duzce in the western part of the country.  At least 50 people were injured and shaking was felt as far as Istanbul.  No casualties or major damage has been reported thus far.

ALERT™ subscribers can download similar stochastic event (SSE) IDs for this earthquake’s impacts from the Downloads tab of this posting on the ALERT website. Compatible with Touchstone® and Touchstone Re™, the SSEs were selected based on the quake’s key parameters such as location, magnitude, and focal depth.  They are recommended for use with exposures in Turkey.

According to the United States Geological Survey, he November 23, 2022, M 6.1 earthquake near Düzce, Turkey occurred as the result of strike-slip faulting at shallow depth, within the crust. Focal mechanism solutions for the event indicate that rupture occurred on either a moderately-dipping right-lateral fault striking west-southwest, or a steeply-dipping left-lateral strike-slip fault striking north-northwest. The location, depth, and focal mechanism of the earthquake are consistent with the east-west trending, right-lateral North Anatolian Fault. The North Anatolian Fault accommodates much of the right-lateral horizontal motion (23-24 mm/yr) between the Anatolian micro-plate and Eurasian plate as the Anatolian micro-plate is being pushed westward to further accommodate closure of the Mediterranean basin caused by the collision of the African and Arabian plates in southeastern Turkey. At the location of this earthquake, the Arabian plate moves north-northwest at a velocity of about 17 mm/yr relative to the Eurasian plate.

The North Anatolian Fault experiences a high level of earthquake activity. In the 50 years prior, there have been thirteen other earthquakes of magnitude 5.5 and larger within 250 km of the November 23, 2022 event. The largest was a M 7.6 earthquake on August 17, 1999, located about 95 km to the east. Three M 7 or larger earthquakes have occurred within 25 km of this earthquake, the most recent being a M 7.2 on November 12, 1999.

No additional ALERTs are planned for this event at this time.

Similar Stochastic Events | Downloads
Posting Date: November 23, 2022, 5:00:00 PM

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Similar Stochastic Event IDs

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Product	File Type	Description	Download
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