August 14, 1988 – San Rafael Swell, UT – M 5.3 This earthquake was located approximately 10 miles ESE of Castle Dale, Utah in Emery County. There were no reports of injuries or serious damage resulting from the earthquake. Reports indicate that the earthquake was felt as far east as Golden, Colorado, as far south […]
Read MoreAugust 17, 1959 – Hebgen Lake, MT – M 7.5 The Hebgen Lake earthquake—the largest and deadliest earthquake recorded in Montana and the Intermountain West—occurred at 11:37 p.m. (local time) on Monday, August 17, 1959. The epicenter of the magnitude 7.5 earthquake was approximately 15 miles north of West Yellowstone, Montana (later revised by the […]
Read MoreJuly 18, 1894 – Ogden, UT – M 5.0 A magnitude 5.0 earthquake occurred in Ogden, Utah at 3:50 p.m. on Wednesday, July 18, 1894. According to a report, the earthquake was accompanied by a cracking sound similar to the snapping of timbers. The earthquake shook buildings, cracked walls, moved office desks and bookcases, caused […]
Read MoreApril 20, 1891 – St. George, UT – M 5.0 A magnitude 5.0 earthquake struck St. George, Utah at 6:55 a.m. on Monday, April 20, 1891. Reports from St. George noted that the earthquake shook houses and rattled windows. Damage included a downed chimney, fallen plaster and broken dishes (Stover & Coffman, 1993). The shaking […]
Read MoreJanuary 20, 1933 – Parowan, UT – M 5.0 On Friday, January 20, 1933, a magnitude 5.0 earthquake occurred in Parowan, UT. The earthquake was reported felt in Panguitch, Utah (approximately 21 miles west of Parowan) and Paragonah, Utah (approximately 4 miles southeast of Parowan). A report from Paragonah indicated that the shaking excited the […]
Read MoreSeptember 2, 1992 – St. George, UT – M 5.8 In the early morning of Wednesday, September 2, 1992 (4:26 a.m. MDT), a magnitude 5.8 earthquake occurred near Washington, Utah. Most of the destruction occurred near the town of Springdale, Utah, near the mouth of Zion National Park. Utah State Route 9 (SR-9) connecting Springdale […]
Read MoreSeptember 5, 1962 – Magna, UT – M 5.2 A magnitude 5.2 earthquake occurred in Magna, Utah, on Wednesday, September 5, 1962 at 9:04 a.m. The earthquake was felt from the Ogden, Utah area in the north, down to the Provo/Spanish Fork, Utah area in the south. Widespread structural damage occurred in the Salt Lake […]
Read MoreJanuary 29, 1989 – So. Wasatch Plateau, UT – M 5.4 A magnitude 5.4 earthquake struck the southern Wasatch Plateau approximately 15 miles east southeast of Salina, Sevier County, Utah, at 9:06 p.m. on Sunday, January 29, 1989. The felt area for the earthquake was 148,000 square kilometers (~57,143 square miles) and extended from northeastern […]
Read MoreOctober 28, 1983 – Borah Peak, ID – M 7.3 Mainshock The M7.3 Borah Peak mainshock occurred at 8:06 a.m. on October 28, 1983, rupturing portions of the Lost River fault and the Lone Pine fault for ~30-60 s. The earthquake created a 20+ mi long fault scarp from ~3 mi (5 km) E of […]
Read MoreDecember 5, 1887 – Kanab, UT – M 5.7 On Monday, December 5, 1887 a magnitude 5.7 earthquake occurred in Kanab, Utah. It was reported that dishes were shaken from cupboard shelves in several houses. Clocks stopped, and bricks fell from tops of chimneys and some cracks in houses were observed. The shaking frightened many […]
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