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Minor mag. 1.8 earthquake - 23km NE of Cave City, Arkansas (USA), on 2020-01-23 01:51:15 -06:00

Minor magnitude 1.8 earthquake at 5 km depth

23 Jan 15:26 UTC: First to report: USGS after 8 hours.

Earthquake details

Date & time	Jan 23, 2020 07:51:15 UTC
Local time at epicenter	2020-01-23 01:51:15 -06:00
Status	Confirmed
Magnitude	1.8
Depth	4.9 km
Epicenter latitude / longitude	36.065°N / 91.3315°W (Arkansas, United States)
Antipode	36.065°S / 88.669°E
Shaking intensity	Very weak shaking
Felt	0 reports
Primary data source	USGS (United States Geological Survey)
Nearest volcano	###NEARESTVOLCANO2###
Nearby towns and cities	3 km (2 mi) SW of Smithville (pop: 72) \| Show on map \| Quakes nearby 24 km (15 mi) NE of Cave City (pop: 1,870) \| Show on map \| Quakes nearby 31 km (19 mi) SE of Ash Flat (pop: 1,060) \| Show on map \| Quakes nearby 31 km (19 mi) SSE of Cherokee Village (pop: 4,600) \| Show on map \| Quakes nearby 34 km (21 mi) W of Walnut Ridge (pop: 4,670) \| Show on map \| Quakes nearby 39 km (24 mi) SW of Pocahontas (Randolph County) (pop: 6,440) \| Show on map \| Quakes nearby 43 km (27 mi) NE of Batesville (pop: 10,700) \| Show on map \| Quakes nearby 51 km (32 mi) N of Newport (Arkansas) (pop: 7,770) \| Show on map \| Quakes nearby 62 km (38 mi) WNW of Jonesboro (pop: 73,900) \| Show on map \| Quakes nearby 75 km (47 mi) W of Paragould (Greene County) (pop: 27,900) \| Show on map \| Quakes nearby
Weather at epicenter at time of quake
Estimated seismic energy released	3.2 x 10⁷ joules (8.78 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
1.8	4.9 km	23km NE of Cave City, 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: 265 km / 164 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: 302 km / 188 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: 366 km / 228 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: 388 km / 241 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: 434 km / 270 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 1.8, 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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