M4.6 earthquake 8 km NW of Marked Tree, Arkansas
A magnitude 4.6 earthquake struck 8 km NW of Marked Tree, Arkansas on Wed, Mar 24, 1976, 6:41 PM CST (00:41 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mw), light
- Local time
- UTC
- 1976-03-25 00:41:20 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 35.590° N, 90.480° W
- Region
- Arkansas
- Felt reports
- 2
- Strongest shaking
- VI, strong 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
- VI, strong shaking
- Peak ground acceleration
- 36.8% of gravity
- Peak ground velocity
- 2.8 cm/s
- Map
- Automatic
Did you feel it?
2 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
How well it is located
Reviewed by a seismologist.
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.6 and up: 7 in the 60 days after this one and 1 in the 30 days before it.
After
- 4.27 km SSE of Trumann, Arkansas · 18443 days ago · 15 km deep · 2 km away
- 1.85 km ESE of Trumann, Arkansas · 18443 days ago · 15 km deep · 7 km away
- 1.80 km WNW of Cooter, Missouri · 18427 days ago · 5 km deep · 78 km away
- 2.14 km SE of Trumann, Arkansas · 18422 days ago · 15 km deep · 7 km away
- 1.86 km S of Manila, Arkansas · 18387 days ago · 5 km deep · 37 km away
- 3.22 km WSW of Cooter, Missouri · 18385 days ago · 10 km deep · 76 km away
- 1.99 km ENE of Steele, Missouri · 18384 days ago · 5 km deep · 90 km away
Before
Earthquakes todayArkansas earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event nm600379 (also filed as ushis3400, atlas19760325004121, usp0000fkq). Read Tue, Sep 22, 2026, 10:30 AM UTC.