M3.6 earthquake 7 km ENE of Harrah, Oklahoma
A magnitude 3.6 earthquake struck 7 km ENE of Harrah, Oklahoma on Tue, Apr 26, 2016, 10:44 AM CDT (15:44 UTC), 7 km (4 mi) below the surface.
A larger quake followed: M3.7 5 km W of Fallis, Oklahoma. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.6 (mwr), minor
- Local time
- UTC
- 2016-04-26 15:44:11 UTC
- Depth
- 6.9 km (4.3 mi), shallow
- Epicenter
- 35.520° N, 97.090° W
- Region
- Oklahoma
- Felt reports
- 45
- Strongest shaking
- IV, light shaking
- PAGER alert
- Green
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Map
- Automatic

Did you feel it?
45 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.

Estimated impact
The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.
- Alert level
- Green: little or no damage or loss of life expected
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Strike-slip
- Moment magnitude
- 3.6 Mwr
- Nodal plane 1
- Strike 41°, dip 69°, rake -154°
- Nodal plane 2
- Strike 301°, dip 65°, rake -23°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 1.7 km horizontally, 5.3 km in depth
- Magnitude uncertainty
- ±0.05
- Station coverage gap
- 40°
- Stations used
- 0
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 150 in the 60 days after this one and 49 in the 30 days before it.
After
- 2.8Oklahoma · 3801 days ago · 8 km deep · 25 km away
- 3.64 km WSW of Fallis, Oklahoma · 3801 days ago · 5 km deep · 24 km away · felt by 90
- 2.94 km WSW of Fallis, Oklahoma · 3801 days ago · 5 km deep · 24 km away
- 3.01 km E of Luther, Oklahoma · 3800 days ago · 6 km deep · 18 km away
- 2.87 km ENE of Harrah, Oklahoma · 3800 days ago · 7 km deep · 0 km away · felt by 2
- 3.07 km ENE of Harrah, Oklahoma · 3800 days ago · 6 km deep · 0 km away · felt by 5
- 2.97 km ENE of Harrah, Oklahoma · 3800 days ago · 6 km deep · 0 km away · felt by 1
- 3.75 km W of Fallis, Oklahoma · 3800 days ago · 6 km deep · 26 km away · felt by 65
- 2.94 km WSW of Fallis, Oklahoma · 3800 days ago · 5 km deep · 24 km away
- 2.74 km SW of Fallis, Oklahoma · 3800 days ago · 6 km deep · 24 km away
- 2.94 km WSW of Fallis, Oklahoma · 3800 days ago · 4 km deep · 24 km away · felt by 4
- 3.04 km WSW of Fallis, Oklahoma · 3800 days ago · 5 km deep · 24 km away
- 2.6Oklahoma · 3800 days ago · 6 km deep · 52 km away
- 3.08 km NE of Orlando, Oklahoma · 3800 days ago · 5 km deep · 79 km away · felt by 3
- 2.68 km SW of Yale, Oklahoma · 3799 days ago · 5 km deep · 67 km away
- 2.58 km ESE of Lucien, Oklahoma · 3799 days ago · 6 km deep · 85 km away · felt by 1
- 3.09 km WNW of Prague, Oklahoma · 3798 days ago · 5 km deep · 29 km away
- 2.77 km N of Spencer, Oklahoma · 3798 days ago · 6 km deep · 27 km away
- 3.43 km WSW of Fallis, Oklahoma · 3798 days ago · 5 km deep · 24 km away · felt by 2
- 3.45 km WSW of Fallis, Oklahoma · 3798 days ago · 5 km deep · 24 km away · felt by 1
- 2.7Oklahoma · 3798 days ago · 6 km deep · 23 km away
- 3.23 km NNE of Nicoma Park, Oklahoma · 3798 days ago · 6 km deep · 20 km away · felt by 35
- 2.72 km NNW of Maramec, Oklahoma · 3797 days ago · 5 km deep · 90 km away
- 3.14 km E of Edmond, Oklahoma · 3797 days ago · 6 km deep · 34 km away · felt by 14
- 3.0Oklahoma · 3797 days ago · 6 km deep · 18 km away · felt by 2
- 2.6Oklahoma · 3797 days ago · 5 km deep · 24 km away
- 2.84 km N of Choctaw, Oklahoma · 3796 days ago · 7 km deep · 16 km away · felt by 1
- 2.74 km SW of Fallis, Oklahoma · 3795 days ago · 5 km deep · 24 km away
- 3.14 km SW of Fallis, Oklahoma · 3795 days ago · 6 km deep · 23 km away · felt by 1
- 2.74 km WSW of Fallis, Oklahoma · 3795 days ago · 5 km deep · 24 km away
- 2.21 km N of Stillwater, Oklahoma · 3795 days ago · 4 km deep · 67 km away · felt by 4
- 2.94 km NNE of Coyle, Oklahoma · 3794 days ago · 6 km deep · 54 km away · felt by 1
- 2.75 km ENE of Crescent, Oklahoma · 3794 days ago · 5 km deep · 65 km away
- 2.65 km S of Cushing, Oklahoma · 3793 days ago · 4 km deep · 55 km away
- 2.62 km E of Luther, Oklahoma · 3793 days ago · 6 km deep · 18 km away
- 2.65 km W of Lucien, Oklahoma · 3793 days ago · 7 km deep · 93 km away · felt by 1
- 2.73 km NE of Coyle, Oklahoma · 3793 days ago · 4 km deep · 52 km away · felt by 2
- 2.75 km SE of Guthrie, Oklahoma · 3792 days ago · 6 km deep · 45 km away · felt by 1
- 2.64 km SSE of Covington, Oklahoma · 3790 days ago · 5 km deep · 94 km away
- 2.58 km WNW of Orlando, Oklahoma · 3789 days ago · 6 km deep · 80 km away
- 2.62 km NE of Meridian, Oklahoma · 3789 days ago · 5 km deep · 39 km away
- 2.52 km NE of Meridian, Oklahoma · 3789 days ago · 5 km deep · 39 km away
- 3.34 km SSE of Covington, Oklahoma · 3789 days ago · 6 km deep · 94 km away · felt by 1
- 2.84 km SSE of Covington, Oklahoma · 3789 days ago · 6 km deep · 94 km away
- 3.44 km SSE of Covington, Oklahoma · 3789 days ago · 5 km deep · 94 km away · felt by 2
- 2.54 km NNW of Cromwell, Oklahoma · 3788 days ago · 3 km deep · 58 km away
- 3.14 km SSW of Pawnee, Oklahoma · 3787 days ago · 4 km deep · 90 km away · felt by 3
- 2.5Oklahoma · 3787 days ago · 7 km deep · 67 km away · felt by 2
- 3.112 km NNW of Perry, Oklahoma · 3786 days ago · 5 km deep · 100 km away · felt by 1
- 3.35 km WNW of Lucien, Oklahoma · 3785 days ago · 7 km deep · 93 km away · felt by 3
- 2.77 km NNW of Carney, Oklahoma · 3784 days ago · 5 km deep · 38 km away
- 2.77 km ESE of Orlando, Oklahoma · 3784 days ago · 5 km deep · 70 km away
- 2.75 km WNW of Jones, Oklahoma · 3784 days ago · 10 km deep · 24 km away
- 1.75 km SSW of Cushing, Oklahoma · 3784 days ago · 2 km deep · 54 km away
- 3.15 km SSE of Cole, Oklahoma · 3784 days ago · 5 km deep · 67 km away · felt by 7
- 2.85 km S of Cole, Oklahoma · 3783 days ago · 7 km deep · 68 km away · felt by 1
- 2.52 km SSW of Carney, Oklahoma · 3783 days ago · 7 km deep · 30 km away
- 2.610 km N of Crescent, Oklahoma · 3782 days ago · 5 km deep · 74 km away
- 2.62 km E of Luther, Oklahoma · 3782 days ago · 6 km deep · 17 km away
- 3.42 km E of Luther, Oklahoma · 3782 days ago · 6 km deep · 18 km away · felt by 22
The first 60 of 150.
Before
- 2.57 km ENE of Harrah, Oklahoma · 3802 days ago · 7 km deep · 1 km away
- 2.87 km ENE of Harrah, Oklahoma · 3802 days ago · 7 km deep · 0 km away
- 2.52 km E of Luther, Oklahoma · 3803 days ago · 5 km deep · 17 km away
- 2.910 km NW of Perry, Oklahoma · 3803 days ago · 6 km deep · 96 km away · felt by 1
- 3.48 km NE of Marshall, Oklahoma · 3804 days ago · 5 km deep · 88 km away
- 2.58 km NE of Marshall, Oklahoma · 3804 days ago · 6 km deep · 88 km away
- 3.07 km W of Cromwell, Oklahoma · 3804 days ago · 3 km deep · 54 km away · felt by 4
- 2.11 km NW of Stillwater, Oklahoma · 3805 days ago · 11 km deep · 67 km away · felt by 1
- 2.510 km NNW of Arcadia, Oklahoma · 3806 days ago · 9 km deep · 35 km away · felt by 1
- 3.34 km SW of Yale, Oklahoma · 3806 days ago · 5 km deep · 71 km away · felt by 1
- 2.65 km SSE of Cushing, Oklahoma · 3808 days ago · 4 km deep · 56 km away · felt by 1
- 1.97 km ENE of Edmond, Oklahoma · 3809 days ago · 3 km deep · 34 km away · felt by 1
- 2.65 km W of Quay, Oklahoma · 3810 days ago · 4 km deep · 77 km away · felt by 1
- 2.75 km W of Quay, Oklahoma · 3810 days ago · 4 km deep · 77 km away
- 2.68 km NNW of Arcadia, Oklahoma · 3810 days ago · 6 km deep · 34 km away
- 2.52 km ENE of Tuttle, Oklahoma · 3810 days ago · 7 km deep · 67 km away · felt by 2
- 2.62 km NNE of Douglas, Oklahoma · 3810 days ago · 6 km deep · 99 km away
- 2.17 km S of Perry, Oklahoma · 3811 days ago · 4 km deep · 80 km away · felt by 1
- 2.69 km NNE of Guthrie, Oklahoma · 3812 days ago · 5 km deep · 54 km away
- 2.59 km W of Quay, Oklahoma · 3813 days ago · 4 km deep · 76 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event us10005bn1. Read Tue, Sep 22, 2026, 4:16 PM UTC.