M1.8 earthquake 5 km ENE of Jackson, Wyoming
A magnitude 1.8 earthquake struck 5 km ENE of Jackson, Wyoming on Mon, May 11, 2015, 9:37 PM MDT (03:37 UTC), 6 km (4 mi) below the surface.
A larger quake followed: M2.6 18 km E of Kelly, Wyoming. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (ML, local (Richter)), micro
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 2015-05-12 03:37:08 UTC
- Depth
- 6.1 km (3.8 mi), shallow
- Epicenter
- 43.504° N, 110.697° W
- Region
- Wyoming
- Felt reports
- 7
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
What happened
The USGS’s account of the effects of this earthquake.
Felt (III) at Jackson.
From the USGS event page for us20002eiu. U.S. Geological Survey text and figures are in the public domain.
Did you feel it?
7 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 2.0 km horizontally, 6.2 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 72°
- Stations used
- 35
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 5 in the 30 days before it.
After
- 1.818 km W of Alpine Northwest, Wyoming · 4153 days ago · 7 km deep · 58 km away
- 1.641 km SE of West Yellowstone, Montana · 4143 days ago · 6 km deep · 96 km away
- 2.448 km SE of West Yellowstone, Montana · 4130 days ago · 4 km deep · 95 km away
- 1.848 km SE of West Yellowstone, Montana · 4130 days ago · 4 km deep · 95 km away
- 1.548 km SE of West Yellowstone, Montana · 4130 days ago · 4 km deep · 95 km away
- 2.618 km E of Kelly, Wyoming · 4122 days ago · 5 km deep · 27 km away · felt by 2
- 1.712 km SSE of Bondurant, Wyoming · 4104 days ago · 8 km deep · 53 km away
- 2.012 km SSE of Bondurant, Wyoming · 4104 days ago · 4 km deep · 53 km away
Before
- 1.624 km SW of Swan Valley, Idaho · 4171 days ago · 1 km deep · 74 km away
- 1.75 km SE of Kelly, Wyoming · 4174 days ago · 8 km deep · 14 km away
- 1.919 km SSW of Irwin, Idaho · 4180 days ago · 7 km deep · 64 km away
- 1.545 km ENE of Warm River, Idaho · 4191 days ago · 5 km deep · 81 km away
- 2.245 km ENE of Warm River, Idaho · 4191 days ago · 7 km deep · 82 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us20002eiu. Read Sun, Oct 4, 2026, 8:24 AM UTC.