M1.6 earthquake 8 km NNW of Junction, Utah
A magnitude 1.6 earthquake struck 8 km NNW of Junction, Utah on Mon, May 18, 1987, 4:02 PM MDT (22:02 UTC), 4 km (2 mi) below the surface.
A larger quake followed: M2.3 31 km N of Beaver, Utah. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.6 (md), micro
- Local time
- UTC
- 1987-05-18 22:02:38 UTC
- Depth
- 3.6 km (2.3 mi), shallow
- Epicenter
- 38.315° N, 112.240° 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 2.2 km horizontally, 25.1 km in depth
- Depth from
- From location
- Station coverage gap
- 153°
- Stations used
- 7
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 6 in the 60 days after this one and 5 in the 30 days before it.
After
- 2.331 km N of Beaver, Utah · 14355 days ago · 0 km deep · 44 km away
- 2.419 km SE of Torrey, Utah · 14348 days ago · 1 km deep · 88 km away
- 3.223 km E of Glenwood, Utah · 14333 days ago · 4 km deep · 66 km away
- 2.524 km E of Glenwood, Utah · 14333 days ago · 6 km deep · 67 km away
- 1.919 km SW of Emery, Utah · 14329 days ago · 9 km deep · 90 km away
- 1.719 km SW of Kanosh, Utah · 14314 days ago · 5 km deep · 48 km away
Before
- 2.710 km N of Junction, Utah · 14376 days ago · 2 km deep · 2 km away
- 2.05 km WSW of Beaver, Utah · 14393 days ago · -1 km deep · 40 km away
- 1.85 km SSW of Joseph, Utah · 14395 days ago · 1 km deep · 30 km away
- 2.03 km SW of Joseph, Utah · 14395 days ago · 2 km deep · 32 km away
- 3.14 km WSW of Joseph, Utah · 14395 days ago · 6 km deep · 33 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uu50032620. Read Tue, Sep 22, 2026, 9:59 AM UTC.