Earthquake Risk in Kansas

Kansas has experienced increased seismicity in recent years, particularly in the south-central part of the state near the Oklahoma border. Much of this activity is associated with wastewater injection from oil and gas operations. The Harper County area has been especially active.

The largest earthquake recorded in Kansas was a magnitude 4.9 4 km ENE of Milan, Kansas on November 12, 2014. Kansas has 50 notable earthquakes on record since 2004, with the most recent being a M3.5 on February 25, 2026.

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Notable Earthquakes
50
Recorded in or near Kansas (since 2004)
Largest Earthquake
M4.9
4 km ENE of Milan, Kansas (Nov 2014)
Most Recent
M3.5
Feb 25, 2026

Notable Earthquakes

Significant earthquakes recorded in or near this state.

MagnitudeLocationDepthDate
M4.9 4 km ENE of Milan, Kansas 4.0 km Nov 12, 2014
M4.6 2 km SSE of Zurich, Kansas 3.0 km Jun 22, 2019
M4.5 2 km W of South Hutchinson, Kansas 5.0 km Jan 19, 2020
M4.3 6 km SSW of Gypsum, Kansas 3.0 km Dec 8, 2021
M4.3 7 km SW of Danville, Kansas 5.0 km Oct 2, 2014
M4.2 3 km W of South Hutchinson, Kansas 5.0 km Aug 16, 2019
M4.1 5 km WSW of South Hutchinson, Kansas 5.0 km Aug 18, 2019
M4.1 3 km SW of Danville, Kansas 2.4 km Jun 5, 2015
M4.0 4 km NW of Bennington, Kansas 5.0 km Nov 11, 2023
M4.0 1 km SSW of Gypsum, Kansas 3.0 km Dec 15, 2021
M4.0 6 km NNW of Sun City, Kansas 5.0 km May 23, 2015
M4.0 4 km ENE of South Haven, Kansas 5.0 km Jan 16, 2019
M3.9 5 km NNE of Danville, Kansas 5.0 km Aug 30, 2018
M3.8 8 km WSW of Superior, Nebraska 3.0 km Jul 17, 2022
M3.8 4 km WSW of Gypsum, Kansas 5.0 km Oct 4, 2021
M3.8 15 km NW of Elmdale, Kansas 5.0 km Sep 16, 2019
M3.8 4 km W of Freeport, Kansas 9.9 km Mar 3, 2015
M3.8 10 km SE of Freeport, Kansas 5.0 km Dec 16, 2013
M3.8 6 km S of Harper, Kansas 6.4 km Nov 15, 2014
M3.8 9 km SE of Harper, Kansas 3.2 km Sep 30, 2014
M3.7 10 km SW of Gypsum, Kansas 11.4 km Dec 9, 2025
M3.7 7 km WSW of Gypsum, Kansas 5.0 km Dec 27, 2021
M3.7 6 km SW of Gypsum, Kansas 5.0 km Dec 26, 2021
M3.7 3 km NE of Eastborough, Kansas 5.0 km Dec 30, 2020
M3.7 7 km E of Freeport, Kansas 6.5 km Sep 8, 2018
M3.7 6 km NNW of Natoma, Kansas 5.0 km Aug 22, 2018
M3.7 7 km SE of Harper, Kansas 4.4 km Jun 22, 2017
M3.7 10 km N of Caldwell, Kansas 6.1 km Aug 9, 2017
M3.7 8 km NNE of Jewell, Kansas 5.0 km Jun 12, 2017
M3.7 5 km SE of Mankato, Kansas 5.0 km Jun 12, 2017
M3.7 6 km SSE of Harper, Kansas 3.8 km Jun 10, 2017
M3.7 3 km NNW of Freeport, Kansas 4.3 km May 4, 2017
M3.7 8 km NNW of Caldwell, Kansas 5.9 km Mar 24, 2015
M3.7 8 km NNW of Caldwell, Kansas 5.1 km Jan 23, 2015
M3.7 3 km WSW of Freeport, Kansas 3.1 km Mar 16, 2014
M3.6 7 km WSW of Gypsum, Kansas 5.0 km Dec 12, 2021
M3.6 5 km S of Formoso, Kansas 5.0 km May 6, 2021
M3.6 6 km SE of Mankato, Kansas 5.0 km Jun 13, 2017
M3.6 6 km SE of Harper, Kansas 4.6 km Jun 1, 2017
M3.6 10 km N of Caldwell, Kansas 4.3 km Nov 9, 2015
M3.6 10 km N of Caldwell, Kansas 4.0 km Oct 27, 2015
M3.6 4 km SW of Bluff City, Kansas 5.0 km May 30, 2015
M3.6 9 km SE of Harper, Kansas 5.1 km Jun 5, 2015
M3.6 6 km SSW of Bluff City, Kansas 7.7 km Apr 28, 2015
M3.6 4 km WSW of Freeport, Kansas 5.0 km Feb 15, 2015
M3.6 4 km NNE of Anthony, Kansas 5.0 km Feb 10, 2015
M3.6 8 km NE of Bluff City, Kansas 5.0 km Jul 17, 2014
M3.6 10 km SE of Freeport, Kansas 5.0 km Feb 3, 2014
M3.5 6 km E of Assaria, Kansas 7.0 km Feb 25, 2026
M3.5 9 km S of Hill City, Kansas 10.6 km Jun 1, 2025

Cities in Kansas