2.7

M2.7 Earthquake 2 km ENE of Eastborough, Kansas — December 19, 2020

2020-12-19 18:40:46 UTC (2020-12-19) · approx. 12:40 PM UTC-6 local

Felt by 175 people across surrounding communities.

MagnitudeM2.7(mb_lg)
Time18:40 UTC≈ 12:40 PM UTC-6
Depth5.0 kmshallow crustal
Coordinates37.697°, -97.233°
Felt by175DYFI responses
Status✓ Reviewed by USGS

On December 19, 2020 at 18:40 UTC, a magnitude 2.7 shallow crustal earthquake struck 2 km ENE of Eastborough, Kansas, at a depth of 5.0 km and coordinates 37.6969°, -97.2329°.

Physical scale: An earthquake of magnitude 2.7 releases seismic energy equivalent to roughly 169 kg of TNT. Empirical fault-scaling laws (Wells & Coppersmith, 1994) estimate the subsurface rupture length at approximately 44 m — a useful intuition for the size of the slip patch on the fault.

Map showing earthquake epicenter at 37.70°, -97.23°

Did You Feel It? — community-reported shaking

Aggregated felt-report intensity from 175 citizen responses to the USGS Did You Feel It? system. Each colored zone represents the average MMI from reports in that area.

USGS DYFI community-reported intensity map for the M2.7 earthquake near 2 km ENE of Eastborough, Kansas

Source: U.S. Geological Survey Did You Feel It?. View on USGS · submit your own report

Earthquake Details

Magnitude
2.7 mb_lg
Depth
5.0 km
shallow crustal
Location
37.6969°N
-97.2329°E
Felt Reports
175
DYFI responses
Community Intensity
5.2
CDI from reports

Technical Information

Event ID
us7000cshl
Event Type
earthquake
Status
✓ Reviewed
Significance
203
Azimuthal Gap
64.0°
Min Station Distance
0.649°
RMS Residual
1.06 sec
Last Updated
2021-02-27 23:26:14 UTC

Common Questions

How strong was the magnitude 2.7 earthquake near Eastborough, Kansas?

The magnitude 2.7 earthquake that struck 2 km ENE of Eastborough, Kansas on December 19, 2020 at 18:40 UTC had a depth of 5.0 km. For context, this was a minor earthquake typically detected only by instruments.

Where did the earthquake occur?

The earthquake epicenter was located at 37.6969°, -97.2329°, which is 2 km ENE of Eastborough, Kansas.

Were there aftershocks?

Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 2.7 earthquakes can continue for several days and gradually diminish over time.

Authoritative source: USGS event page (event ID: us7000cshl). All scientific values on this page are sourced verbatim from the USGS feed.

Cite this page: EarthquakeTracker.org. (2020, December 19, 2020). M2.7 Earthquake 2 km ENE of Eastborough, Kansas — December 19, 2020. Retrieved February 27, 2021 from https://www.earthquaketracker.org/earthquakes/event/us7000cshl/