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the claim

Colorado has recorded earthquakes of magnitude 5 or higher.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
1 source for · 4 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that Colorado has recorded earthquakes of magnitude 5 or higher?

Yes. A peer-reviewed study of Colorado seismicity reports that the state's largest historical earthquake, in 1882, had an estimated magnitude of 6.5, which exceeds magnitude 5. Other Colorado catalogues cover only limited areas or periods and list smaller events.

Verdict: SUPPORTED · 1 source for, 4 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 1
Magnitude Recurrence Relations for Colorado Earthquakes
2002
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Charlie, W. A., Battalora, R. J., Siller, T. J., & Doehring, D. O. (2002). Magnitude Recurrence Relations for Colorado Earthquakes. doi.org. https://doi.org/10.1193/1.1490546

Evidence against · 4
Investigation of an earthquake swarm near Trinidad, Colorado, August-October 2001
2002
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Investigation of an earthquake swarm near Trinidad, Colorado, August-October 2001. (2002). pubs.usgs.gov. https://doi.org/10.3133/ofr0273

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More against · 3
The 24 January 2013 ML 4.4 Earthquake near Paradox, Colorado, and Its Relation to Deep Well Injection
2014
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The 24 January 2013 ML 4.4 Earthquake near Paradox, Colorado, and Its Relation to Deep Well Injection. (2014). doi.org. https://doi.org/10.1785/0220130188

2017 One‐Year Seismic‐Hazard Forecast for the Central and Eastern United States from Induced and Natural Earthquakes
2017
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2017 One‐Year Seismic‐Hazard Forecast for the Central and Eastern United States from Induced and Natural Earthquakes. (2017). doi.org. https://doi.org/10.1785/0220170005

Seismicity in the Rangely, Colorado, area: 1962-1970
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Seismicity in the Rangely, Colorado, area: 1962-1970. (n.d.). cir.nii.ac.jp. https://doi.org/10.1785/bssa0630051557

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