This article examines the potential for earthquakes in Colorado Springs during the Christmas season, recalling a notable 4.0 magnitude earthquake that occurred on December 25, 1994. Though seismic activity is generally rare in Colorado, the piece highlights the existence of several faults and encourages residents to report any significant shaking they experience.
This year, the National Weather Service in Pueblo indicates a diminished chance for a White Christmas in Colorado Springs. However, residents may recall that earthquakes have occurred during the holiday season in the past. On December 25, 1994, a 4.0 magnitude earthquake was registered, particularly felt on the city’s northern end, prompting reports of tremors extending between Colorado Springs and Castle Rock.
William Yeck, a seismologist from the U.S. Geological Survey (USGS), noted, “It caused some damage, but it wasn’t extensive. A 4.0 is pretty small. People would feel it – and it would have been pretty surprising in Colorado – but it’s not a very large earthquake in the grand scheme of things.” The USGS records seismic activities occurring at a fast pace across the United States, logging around 50 earthquakes daily, totaling nearly 20,000 annually.
In comparison with more active seismic regions such as California and Alaska, the state of Colorado experiences relatively infrequent earthquakes. Yeck emphasized the rarity of significant seismic events that lead to extensive damage, categorizing quakes with a magnitude of 6.0 or above as extremely uncommon in the state. The most substantial earthquake documented in Colorado took place in 1882 near Fort Collins, whereas the southern part of the state experienced a 5.3 magnitude quake near Trinidad in 2011.
“All faults are cracks in the Earth’s crust, but in Colorado, we are not positioned near a tectonic plate boundary,” Yeck explained. He referred to various fault lines, noting that while Colorado harbors thousands of them, a minority—approximately 90—are noted as potentially active. Prominent faults in southern Colorado include the Sangre de Cristo Fault and the Cheraw Fault.
Residents are reminded that not every sensation of shaking is indicative of an earthquake. Yeck clarified, “Things like sonic booms can also cause shaking, so it might not actually be an earthquake.” Nevertheless, he encourages those who experience shaking to report it from their location on the official USGS website.
This article discusses the potential for earthquakes in Colorado Springs, especially during the Christmas season. It references a notable event from December 25, 1994, when a 4.0 magnitude earthquake occurred in the region. The article further elaborates on the infrequency of significant seismic activity in Colorado, the types of fault lines present, and comparisons to other states with higher earthquake frequencies. Additionally, it discusses the implications for residents who may feel tremors and encourages reporting unusual seismic sensations. This provides context for understanding earthquake occurrences in an area typically considered seismically stable.
In conclusion, while the likelihood of a White Christmas is low this year in Colorado Springs, the prospect of seismic activity during the holidays is not entirely ruled out. Colorado experiences earthquakes, albeit infrequently and generally of lower magnitudes. The state’s geological characteristics contribute to a rarity of significant seismic events, but its fault lines can still cause noticeable tremors. Residents should remain aware and report any unusual shaking, as some events may stem from non-seismic sources.
Original Source: gazette.com