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130 Tremors in 10 Days: Scientists Warn of Possible Major Earthquake
Since October 9, seismologists have recorded a surge of more than 100 tremors clustered in a single area.
In a seismic burst, Death Valley has experienced 130 earthquakes since October 9, a spike that has scientists on edge. Experts warn these tremors may signal a much larger earthquake looming, according to the Daily Mail.
The first tremors were detected in Death Valley, California, on October 9. Since then, the region has experienced a total of 130 quakes, with the most significant occurring on October 25, registering magnitudes of 4.7 and 4.5, reports Elizabeth Cochran, a geophysicist with the U.S. Geological Survey.
Despite the series of shocks, there has been no reported damage to Death Valley National Park or surrounding communities. However, the intensity and frequency of these tremors have scientists concerned about the possibility of a major earthquake soon.
While clusters of quakes—known as “swarms”—are not uncommon, they do cause alarm when they occur along the highly active Death Valley fault system, known for producing earthquakes of up to magnitude 7.
Kristi Rowe, director of the Nevada Seismological Laboratory at the University of Nevada, Reno, notes that she and her team are monitoring these tremors closely due to their potential impact on the Las Vegas Valley.
Activity spiked significantly on October 25, when a 4.2-magnitude earthquake shook the area. This was quickly followed by the strongest quake so far, a 4.7-magnitude tremor, and another sizable 4.5-magnitude quake later that day.
Rowe states that earthquake swarms are common in Nevada, but the frequency and intensity of this swarm have scientists concerned that larger quakes could follow. Death Valley has a history of significant seismic events, including a 7.1-magnitude quake in 2019 that left a large fissure in California’s desert.
The most powerful quake in the last 20 years in the area was a magnitude 6.4, which triggered 28 additional quakes of 4.5 or higher over the following days.
Death Valley sits atop three major fault lines:
Northern Death Valley Fault Zone (NDVFZ)
Black Mountain Fracture Zone (BMFZ)
South Death Valley Fault Zone (SDVFZ)
Clusters of earthquakes in California frequently renew concerns about the “Big One,” a hypothetical large-magnitude earthquake that experts warn could strike along the San Andreas Fault at any time.
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