Light mag. 3.5 earthquake - Duchesne County, 60 mi northeast of Provo, Utah County, USA, on Friday, 30 September 1977 at 12:56 (GMT)
Light magnitude 3.5 earthquake at 5 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 5.0 km
Epicenter latitude / longitude: 40.576°N / 110.603°W (Duchesne, Utah, United States)
Nearest volcano: Leucite Hills (197 km / 122 mi)
Nearby towns and cities:
49 km (30 mi) NNW of Duchesne (pop: 1,870) --> See nearby quakes!
60 km (38 mi) WNW of Roosevelt (Duchesne County) (pop: 6,980) --> See nearby quakes!
97 km (60 mi) ENE of Springville (Utah County) (pop: 32,300) --> See nearby quakes!
97 km (60 mi) ENE of Provo (pop: 115,300) --> See nearby quakes!
97 km (61 mi) ENE of Orem (pop: 94,500) --> See nearby quakes!
99 km (61 mi) ENE of Pleasant Grove (pop: 38,100) --> See nearby quakes!
108 km (67 mi) E of Sandy (pop: 87,500) --> See nearby quakes!
111 km (69 mi) E of Salt Lake City (pop: 192,700) --> See nearby quakes!
113 km (70 mi) E of West Jordan (pop: 111,900) --> See nearby quakes!
119 km (74 mi) E of West Valley City (pop: 136,200) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.1 x 1010 joules (3.12 megawatt hours, equivalent to 2.68 tons of TNT) More info
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.
|3.5||5 km||Utah (USA)||USGS|
User reports for this quake
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.