2.1

M2.1 Earthquake 2 km NNW of Greenbrier, Arkansas — January 28, 2021

2021-01-28 18:32:00 UTC (2021-01-28) · approx. 12:32 PM UTC-6 local

MagnitudeM2.1(md)
Time18:32 UTC≈ 12:32 PM UTC-6
Depth8.6 kmshallow crustal
Coordinates35.256°, -92.395°
Felt byNo felt reports
Status✓ Reviewed by USGS
Map showing earthquake epicenter at 35.26°, -92.39°

Earthquake Details

Magnitude
2.1 md
Depth
8.6 km
shallow crustal
Location
35.2560°N
-92.3948°E

Technical Information

Event ID
nm60121123
Event Type
earthquake
Status
✓ Reviewed
Significance
66
Stations Used
10
Azimuthal Gap
107.0°
Min Station Distance
0.093°
RMS Residual
0.06 sec
Last Updated
2021-01-29 15:26:45 UTC

Nearby Earthquakes (Last 7 Days)

2.5
4 km NNE of Tatums, Oklahoma
4 days ago · 0.1 km deep
2.7
9 km NE of Pleasant Hill, Louisiana
6 days ago · 6.1 km deep

Actions

View on USGSDid You Feel It?

Location

Arkansas
View all Arkansas earthquakes

Understanding This Data

Magnitude 2.1 earthquakes are typically only recorded by instruments.

Learn more about magnitude →

Authoritative source: USGS event page (event ID: nm60121123). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2021, January 28, 2021). M2.1 Earthquake 2 km NNW of Greenbrier, Arkansas — January 28, 2021. Retrieved January 29, 2021 from https://www.earthquaketracker.org/earthquakes/event/nm60121123/