The 6.4-magnitude earthquake that jolted a large swath of Southern California has produced more than 1,400 aftershocks and left what looks like a 'scar across the desert,' scientists say
Ridgecrest, California An earthquake that jolted a large swath of Southern California has produced more than 1,400 aftershocks and left what looks like a"scar across the desert," scientists said Friday.
"An event like this will continue producing aftershocks for years," Cal Tech geophysicist Zach Ross said of Thursday's 6.4 magnitude earthquake. The quake -- centered near Ridgecrest, 150 miles north of Los Angeles -- was the strongest to hit Southern California in nearly 20 years, prompting one city's mayor and later the governor to declare a state of emergency for the area.
Mayor of city that was the epicenter of quake warns about aftershocks 05:50But a larger quake isn't as likely, the USGS said. "While it is always possible for large quakes to trigger an even larger quake, most do not," the agency said."It's generally not possible to determine whether a given quake will turn out to be a 'foreshock' of a larger one.
Seismologist explains rolling sensation from earthquakes 00:50In Kern County, the earthquake's epicenter, the fire department responded to more than 20 incidents relating to the earthquake and aftershocks, including fires and medical emergencies, the department said.Gov. Gavin Newsom approved an emergency proclamation for the county to address the earthquake and aftershocks.A 4-inch crack opened up on State Route 178, according to San Bernardino County Fire spokesman Jeremy Kern.
5 things you should know about earthquakes 01:35In 1994, Los Angeles' San Fernando Valley was struck by a deadly 6.7 magnitude earthquake that killed at least 57 people and injured more than 7,000, according to the USGS."The earthquake had immense impact on people and structures because it was centered directly beneath a heavily populated and built-up urban region," the USGS said.
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