M2.5 earthquake 23 km W of Tabiona, Utah
A magnitude 2.5 earthquake struck 23 km W of Tabiona, Utah on Tue, Apr 7, 1987, 9:22 AM MDT (15:22 UTC), 11 km (7 mi) below the surface.
A larger quake followed: M3.1 20 km ENE of Samak, Utah. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.5 (md), micro
- Local time
- UTC
- 1987-04-07 15:22:52 UTC
- Depth
- 11.2 km (7.0 mi), shallow
- Epicenter
- 40.353° N, 110.986° W
- Region
- Utah
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 1.7 km horizontally, 1.3 km in depth
- Depth from
- From location
- Station coverage gap
- 200°, poorly surrounded by stations
- Stations used
- 14
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 1.73 km S of Goshen, Utah · 14404 days ago · 5 km deep · 91 km away
- 1.827 km ESE of Woodland Hills, Utah · 14379 days ago · 4 km deep · 56 km away
- 2.34 km E of Heber City, Utah · 14377 days ago · 8 km deep · 36 km away
- 2.25 km ESE of Heber City, Utah · 14373 days ago · 7 km deep · 34 km away
- 3.120 km ENE of Samak, Utah · 14358 days ago · 4 km deep · 34 km away
- 2.88 km NW of Helper, Utah · 14356 days ago · 6 km deep · 68 km away
- 2.18 km NW of Helper, Utah · 14354 days ago · 2 km deep · 67 km away
Before
Earthquakes todayUtah earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu50032290. Read Tue, Sep 22, 2026, 8:36 PM UTC.