Magnitude | 6.1 - Richter scale |
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Depth | 7 km (4.3 miles) set by location program Km |
Location | WESTERN IRAN LAT 33.581, LON 48.794 |
Date-Time | Mar 31, 2006 01:17:01 UTC |
Source | USGS NEIC (WDCS-D) |
Event ID(s) | uskyae |
Distances from major cities | |
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45 km (25 miles) ENE of Khorramabad, Iran |
This earthquake occurred as the result of stresses generated by the motion of the Arabian plate northward against the Eurasian plate at a rate of 2 to 3 cm/year (about one inch per year). Deformation of the Earth's crust in response to the plate motion takes place in a broad zone that spans the entire width of Iran and extends into Turkmenistan. Earthquakes occur primarily as the result of reverse faulting and strike-slip faulting within the zone of deformation. The March 31 earthquake occurred close to the Main Recent Fault, a major strike-slip fault, but we do not know at present if the earthquake occurred on that fault or on a related smaller fault.
The section of the Main Recent Fault near the epicenter of the March 31 earthquake produced a magnitude 7.4 earthquake in 1909.
Earthquake Information for Asia
Earthquake Information for Iran