M6.4 and M6.3 NORTHWESTERN IRAN on August 11th 2012 at 12:23 UTC
Last update: 25 September 2012 at 10:41 UTC
Two strong earthquakes of magnitude Mw 6.4 and Mw 6.3 occurred 11mn apart in Northwestern Iran on August 11th 2012 at 4pm local time. Severe damages are reported in the region of Ahar, Varzaghan and Tabriz. More than 300 casualties and more than 2,000 injuries are reported 24 hours after the main shocks. 30 aftershocks of magnitude larger than 3.5 have been recorded in the following day.
If you have experienced this earthquake, you are invited to answer the online questionnaire. Your testimony will be useful to update the Intensity map here below, where intensities correspond to the effects of the earthquake. You can also read the comments posted by people who experienced this event or view them on the interactive map here below.
Read the Preliminary report of the twin Ahar eathquakes by M. Zare and M. P. M. Shahvar from the IIEES (Tehran)
(generated with the results of the online questionnaire)
(click to enlarge)
Comments posted by the witnesses
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Main Shock Epicenter Location
Past Regional Seismicity as from the ISC catalogue (1964-2004) and EMSC Real Time catalogue (2005-today)
Moment Tensors Solutions