Moderate mag. 4.2 earthquake - Juab County, 52 mi south of Provo, Utah County, USA, on Thursday, 17 April 2003 at 01:04 (GMT)
Moderate magnitude 4.2 earthquake at 1 km depth
1 Jan 00:00 UTC: First to report: USGS after 30 seconds.
Depth: 1.4 km
Epicenter latitude / longitude: 39.50483°N / 111.8855°W (Utah, United States)
Nearest volcano: Black Rock Desert (80 km / 50 mi)
Nearby towns and cities:
22 km (13 mi) W of Wales (pop: 348) --> See nearby quakes!
23 km (14 mi) S of Nephi (Juab County) (pop: 5,560) --> See nearby quakes!
30 km (19 mi) WNW of Ephraim (Sanpete County) (pop: 6,860) --> See nearby quakes!
61 km (38 mi) SSW of Payson (Utah County) (pop: 19,500) --> See nearby quakes!
71 km (44 mi) SSW of Spanish Fork (pop: 37,900) --> See nearby quakes!
83 km (52 mi) SSW of Provo (pop: 115,300) --> See nearby quakes!
90 km (56 mi) S of Orem (pop: 94,500) --> See nearby quakes!
99 km (61 mi) S of Lehi (pop: 58,500) --> See nearby quakes!
132 km (82 mi) S of West Valley City (pop: 136,200) --> See nearby quakes!
140 km (87 mi) S of Salt Lake City (pop: 192,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.3 x 1011 joules (35 megawatt hours, equivalent to 30.1 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.
|4.2||1.4 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.