Strong mag. 6.3 earthquake - Isfahan, 160 km south of Semnan, Iran, on Friday, 22 July 1927 at 03:55 (GMT)

Strong mag. 6.3 earthquake - Isfahan, 160 km south of Semnan, Iran, on Friday, 22 July 1927 at 03:55 (GMT)

Strong magnitude 6.3 earthquake at 10 km depth

Date & time: 22 Jul 1927 03:55:12 UTC
Magnitude: 6.3
Depth: 10.0 km
Epicenter latitude / longitude: 34.222°N / 53.996°E (Isfahan, Iran)
Nearby towns and cities:
160 km (100 mi) SSE of Semnan (pop: 124,800) --> See nearby quakes!
176 km (109 mi) SSE of Mahdishahr (Mahdi Shahr, Semnan) (pop: 21,000) --> See nearby quakes!
177 km (110 mi) ENE of Ardestān (Ardestan) (pop: 16,100) --> See nearby quakes!
191 km (119 mi) SE of Īstgāh-e Rāh Āhan-e Garmsār (Semnan) (pop: 49,500) --> See nearby quakes!
213 km (132 mi) N of Ardakān (Yazd) (pop: 58,800) --> See nearby quakes!
219 km (136 mi) S of Dāmghān (Semnan) (pop: 67,700) --> See nearby quakes!
247 km (154 mi) ESE of Varāmīn (Tehrān) (pop: 179,600) --> See nearby quakes!
277 km (172 mi) NE of Isfahan (pop: 1,547,200) --> See nearby quakes!
285 km (177 mi) NE of Khomeynī Shahr (pop: 277,300) --> See nearby quakes!
286 km (178 mi) SE of Teheran (Tehrān) (pop: 7,153,300) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.8 x 1014 joules (49.4 gigawatt hours, equivalent to 42502 tons of TNT or 2.7 atomic bombs!) More info
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
MagnitudeDepthLocationSource
M 6.310 kmcentral IranUSGS
Note: for quakes of 2012 and earlier, our database often contains only records from USGS.

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Aftershocks of the 6.3 quake Isfahan, 160 km south of Semnan, Iran, 22 July 1927 03:55 GMT

More info
Recorded aftershocks, latest first (0 quakes):
So far, no aftershocks have been registered.
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Earlier earthquakes in the same area

Strong mag. 6.3 earthquake - Isfahan, 160 km south of Semnan, Iran, on Friday, 22 July 1927 at 03:55 (GMT)
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