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Largest earthquakes in or near Polk, Iowa, USA, on record since 1900 - list, stats and map

Updated Mar 22, 2022 18:34 GMT -
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Showing quakes since 1900, magnitude 3.1 or higher (1 earthquake):
Date and timeMag
Depth
Nearest volcano (distance)LocationDetailsMap
Feb 11, 1995 05:54 GMT
3.1

5 km
51 mi north of Сент-Джозеф, Бьюкенен County, Missouri, USA MoreMap
Estimated combined seismic energy released: 2.8 x 109 joules (783 kilowatt hours, equivalent to 0.674 tons of TNT) | about seismic energy

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Polk Earthquake FAQ

When was the latest earthquake in Polk?

The last earthquake in Polk occurred 27 years ago: Light mag. 3.1 earthquake - 51 mi north of Сент-Джозеф, Бьюкенен County, Missouri, USA, on Saturday, February 11, 1995 at 05:54 GMT.

How many quakes were there in Polk since 1900?

Since 1900, Polk, Iowa, USA had 1 quakes up to magnitude 3.1.

What was the strongest quake in Polk since 1900?

The strongest earthquake in Polk since 1900 occurred 27 years ago: Light mag. 3.1 earthquake - 51 mi north of Сент-Джозеф, Бьюкенен County, Missouri, USA, on Saturday, February 11, 1995 at 05:54 GMT.

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