Shallow and dangerous M 5.6 earthquake struck eastern Iran

Shallow and dangerous M 5.6 earthquake struck eastern Iran

Strong earthquake, initially registered as M 6.0, but later revised to M 5.6 hit South Khorasan Province in eastern Iran  at 17:08 UTC on December 5, 2012. The epicenter was located 18 km E of Khoshk, 22 km W of Zahan, The epicenter was at depth of 5.4 km according to USGS and 10 km according to EMSC.  USGS and EMSC recorded same magnitude while IIEES recorded M 5.4 at depth of 14,1 km. There are still no report of damage or injuries at the  moment.

Intensity shake map (Source: USGS)


  • Wednesday, December 05, 2012 at 17:08:12 UTC
  • Wednesday, December 05, 2012 at 08:38:12 PM at epicenter
Location33.520°N, 59.570°E
Depth5.4 km (3.4 miles) (poorly constrained)
Distances42 km (26 miles) ESE of Qayen, Iran
79 km (49 miles) NNE of Birjand, Iran
123 km (76 miles) SE of Gonabad, Iran
175 km (108 miles) SW of Taybad, Iran
Location Uncertaintyhorizontal +/- 13.4 km (8.3 miles); depth +/- 5.9 km (3.7 miles)
ParametersNST=202, Nph=205, Dmin=507.6 km, Rmss=1.07 sec, Gp= 43°,
M-type=teleseismic moment magnitude (Mw), Version=8
  • Magnitude: USGS NEIC (WDCS-D)
    Location: USGS NEIC (WDCS-D)
Event IDusc000e4lq

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Epicenter map (Source: EMSC)

The epicenter was located between three active faults - 40 km from Abriz fault, 42 km from Nozad fault and 54 km from Ferdows fault.

Featured image: EMSC + Google Earth

Tags: iran


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