Explore the latest developments concerning 4.9 earthquake near.
4.9 earthquake near Indio Hills; heavy shaking in Coachella Valley
The U.S. Geological Survey reported a magnitude 4.9 earthquake about 12 miles northeast of Indio that caused serious shaking in many parts of the Coachella Valley on Monday, Jan. 19.
The quake struck at around 5:56 p.m. Five smaller aftershocks in approximately the same area followed over the next hour, with magnitudes between 2.9 and 3.5, USGS reported. Another five hit over the next six hours, with magnitudes between 3.2 and 3.7.
Aftershocks continued into the morning of Tuesday, Jan. 20. At 10:48 a.m., USGS reported a magnitude 3.6 earthquake about 11 miles north of Indio.
Because of the way earthquakes are measured, a magnitude 4.9 earthquake, like Monday evening's, is far stronger than one under magnitude 4, like the aftershocks. The strength of a quake increases logarithmically with each digit up to 10. That means each whole number difference is a tenfold increase in measured amplitude, according to USGS.
Why some felt Indio Hills earthquake before their phones alerted them
INDIO, Calif. (KESQ) A magnitude 4.9 earthquake shook Indio Monday night, rattling residents across the Coachella Valley but causing no major damage or serious injuries — while also raising fresh questions about how California’s Earthquake Early Warning system works and why alerts reached some people before the shaking, but not others.
The quake struck near Indio Hills at 5:56 p.m., sending a brief but noticeable jolt through homes, businesses, and senior centers in the area.
“It was strong. And my husband, he has dementia. He was upstairs, so I got all scared,” Rosalva Gomez.
“My bed started shaking… and the dogs started barking,” Mary Ramirez said. “It was the first time I felt an earthquake here in the desert… it was scary,” Gloria Hernandez said.
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Map: 4.9-Magnitude Earthquake Shakes Southern California
By William B. Davis, Madison Dong, Judson Jones, John Keefe, Joey K. Lee and Bea Malsky
A light, 4.9-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey.
The temblor happened at 5:56 p.m. Pacific time about 12 miles northeast of Indio, Calif., data from the agency shows.
U.S.G.S. data earlier reported that the magnitude was 5.1.
As seismologists review available data, they may revise the earthquake’s reported magnitude. Additional information collected about the earthquake may also prompt U.S.G.S. scientists to update the shake-severity map.
An aftershock is usually a smaller earthquake that follows a larger one in the same general area. Aftershocks are typically minor adjustments along the portion of a fault that slipped at the time of the initial earthquake.
For more detailed information, explore updates concerning 4.9 earthquake near.
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