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Minor mag. 1.9 earthquake - 8 Km NW of Smithville, Arkansas, USA, on Tuesday, October 13, 2020 at 07:28 GMT

Minor magnitude 1.9 earthquake at 5 km depth

13 Oct 16:38 UTC: First to report: USGS after 9 hours.

Earthquake details

Date & time	Oct 13, 2020 07:28:58 UTC
Local time at epicenter
Status	Confirmed
Magnitude	1.9
Depth	5.1 km
Epicenter latitude / longitude	36.13733°N / 91.36033°W (Arkansas, United States)
Antipode	36.137°S / 88.64°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	8 km (5 mi) NW of Smithville (pop: 72) \| Show on map \| Quakes nearby 23 km (14 mi) SE of Cherokee Village (pop: 4,600) \| Show on map \| Quakes nearby 24 km (15 mi) ESE of Ash Flat (pop: 1,060) \| Show on map \| Quakes nearby 28 km (17 mi) NE of Cave City (pop: 1,870) \| Show on map \| Quakes nearby 37 km (23 mi) WNW of Walnut Ridge (pop: 4,670) \| Show on map \| Quakes nearby 38 km (23 mi) WSW of Pocahontas (Randolph County) (pop: 6,440) \| Show on map \| Quakes nearby 38 km (23 mi) ESE of Horseshoe Bend (pop: 2,090) \| Show on map \| Quakes nearby 48 km (30 mi) NNE of Batesville (pop: 10,700) \| Show on map \| Quakes nearby 68 km (42 mi) WNW of Jonesboro (pop: 73,900) \| Show on map \| Quakes nearby 79 km (49 mi) SE of West Plains (Howell County, Missouri) (pop: 12,300) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	4.5 x 10⁷ joules (12.4 kilowatt hours) \| about seismic energy

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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.

Mag.	Depth	Location	Source
1.9	5.1 km	8 Km NW of Smithville, Arkansas, USA	USGS

Most recent quakes Top 20 past 24 hrs Quakes in the US Arkansas

Seismograms

Seismic station: Mount Ida, Arkansas, USA (MIAR/US network) | Distance from quake: 268 km / 166 mi | Show on map | Station Info

Seismic station Mount Ida, Arkansas, USA: vertical movement plot around time of quake (source: IRIS/BUD)

Seismogram (vertical component) around time of quake. Thin dotted red line indicates time of quake. Seismic waves arrive some time later, depending on distance. Bandpass filter applied: 0.5-10.0 Hz. Source: IRIS Buffer of Uniform Data (BUD) webtool

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Seismic station Mount Ida, Arkansas, USA: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Mount Ida, Arkansas, USA: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake, showing horizontal E-W and N-S ground movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: St. Louis, MO (SLM/NM network) | Distance from quake: 295 km / 183 mi | Show on map | Station Info

Seismic station St. Louis, MO: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station St. Louis, MO: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station St. Louis, MO: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Fairfield, IL (FFIL/NM network) | Distance from quake: 362 km / 225 mi | Show on map | Station Info

Seismic station Fairfield, IL: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Fairfield, IL: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Fairfield, IL: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Univ. of Southern Indiana, Evansville, IN (USIN/NM network) | Distance from quake: 386 km / 240 mi | Show on map | Station Info

Seismic station Univ. of Southern Indiana, Evansville, IN: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Univ. of Southern Indiana, Evansville, IN: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Univ. of Southern Indiana, Evansville, IN: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

Seismic station: Vicksburg, Mississippi (VBMS/US network) | Distance from quake: 443 km / 275 mi | Show on map | Station Info

Seismic station Vicksburg, Mississippi: vertical movement plot around time of quake (source: IRIS/BUD)

Seismic station Vicksburg, Mississippi: horizontal (E-W) movement plot around time of quake (source: IRIS/BUD)

Seismic station Vicksburg, Mississippi: horizontal (N-S) movement plot around time of quake (source: IRIS/BUD)

Seismograms around time of quake.
Top: vertical movement, bottom: horizontal (E-W and N-S) movements. Source: IRIS Buffer of Uniform Data (BUD) webtool

User reports for this quake

At magnitude 1.9, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.

Earlier earthquakes in the same area

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