An earthquake-damaged street is seen Saturday, July 6, 2019, in Trona, Calif. (AP Photo/Marcio Jose Sanchez)
Rose Ann Austin, top left, walks past an earthquake-damaged brick fence on her family's property Saturday, July 6, 2019, in Trona, Calif. (AP Photo/Marcio Jose Sanchez)
Eugene Johnson, right, looks at the chimney collapsed by an earthquake Saturday, July 6, 2019, at his home in Trona, Calif. (AP Photo/Marcio Jose Sanchez)
A crack is seen in a gas station's driveway in the aftermath of an earthquake Saturday, July 6, 2019, in Trona, Calif. (AP Photo/Marcio Jose Sanchez)
Eugene Johnson looks at damage inside a guest room of his house in the aftermath of an earthquake Saturday, July 6, 2019, in Trona, Calif. (AP Photo/Marcio Jose Sanchez)
An employee walks past broken bottles scattered on the floor in Eastridge Market, following a 7.1 magnitude earthquake which struck nearby, on July 6, 2019 in Ridgecrest. (Mario Tama/Getty Images)
An employee works at the cash register near broken bottles scattered on the floor, following a 7.1 magnitude earthquake which struck nearby, on July 6, 2019 in Ridgecrest. (Mario Tama/Getty Images)
An employee carries items for a customer past broken bottles scattered on the floor, following a 7.1 magnitude earthquake which struck nearby, on July 6, 2019 in Ridgecrest. (Mario Tama/Getty Images)
An employee stands at the register as broken bottles are scattered on the floor in Eastridge Market on July 6, 2019, in Ridgecrest, California. (Mario Tama/Getty Images)
Firefighters work to put out a house fire, the morning after a 7.1 magnitude earthquake struck in the area, on July 6, 2019, in Ridgecrest, California. (Mario Tama/Getty Images)
The Hope family, afraid to sleep inside, spends the night outdoors Saturday, July 6, 2019, following an earthquake in Ridgecrest, Calif. (AP Photo/Marcio Jose Sanchez)
A fireman looks over a home Saturday, July 6, 2019, that burned after an earthquake in Ridgecrest, Calif. (AP Photo/Marcio Jose Sanchez)
Items are scattered around a kitchen Saturday, July 6, 2019, following an earthquake in Ridgecrest, Calif. (AP Photo/Marcio Jose Sanchez)
A worker steps over merchandise that is scattered on the floor of an Albertson's grocery store Saturday, July 6, 2019, following an earthquake in Ridgecrest, Calif. (AP Photo/Marcio Jose Sanchez)
Merchandise is scattered on the floor of an Albertson's grocery store Saturday, July 6, 2019, following an earthquake in Ridgecrest, Calif. (AP Photo/Marcio Jose Sanchez)
Merchandise is scattered on the floor of an Albertson's grocery store Saturday, July 6, 2019, following an earthquake in Ridgecrest, Calif. (AP Photo/Marcio Jose Sanchez)
Players and staff leave the court after an earthquake during an NBA summer league basketball game between the New York Knicks and the New Orleans Pelicans on Friday, July 5, 2019, (AP Photo/Steve Marcus)
A CHP photo shows conditions on SR-178 through the Kern River Canyon after rock slides on July 5, 2019. (CHP Bakersfield/Twitter)
Food that fell from the shelves litters the floor of an aisle at a Walmart following an earthquake in Yucca Valley, Calif., on Friday, July 5, 2019. (Chad Mayes via AP)
In this photo provided by Adam Graehl emergency responders fight a fire in Ridgecrest, Calif., Thursday, July 4, 2019. (Adam Graehl via AP)
Shattered glass lies on the floor at a vacant business after an earthquake, Thursday, July 4, 2019, in Trona, Calif. (AP Photo/Matt Hartman)
Merchandise lies on the floor at a Family Dollar store seen through a window after an earthquake Thursday, July 4, 2019, in Trona, Calif. (AP Photo/Matt Hartman)
In this photo provided by Adam Graehl shows merchandise line the floor at the Stater Bros. on China Lake Blvd., in Ridgecrest, Calif., Thursday, July 4, 2019. (Adam Graehl via AP)
This Thursday, July 4, 2019 photo provided by Richard Wagner shows hundreds of books that have tumbled off shelves at the Kern County Branch Library in Ridgecrest, Calif. (Richard Wagner/Kern County Library via AP)
In this photo provided by Adam Graehl shows merchandise line the floor at the Stater Bros. on China Lake Blvd., in Ridgecrest, Calif., Thursday, July 4, 2019. (Adam Graehl via AP)
This Thursday, July 4, 2019 photo provided by Richard Wagner shows hundreds of books that have tumbled off shelves at the Kern County Branch Library in Ridgecrest, Calif. (Richard Wagner/Kern County Library via AP)
This Thursday, July 4, 2019 photo provided by Richard Wagner shows hundreds of books that have tumbled off shelves at the Kern County Branch Library in Ridgecrest, Calif. (Richard Wagner/Kern County Library via AP)
In this photo provided by Adam Graehl shows merchandise line the floor at the Stater Bros. on China Lake Blvd., in Ridgecrest, Calif., Thursday, July 4, 2019. (Adam Graehl via AP)
A damaged motorhome is seen red-taped after an earthquake, Thursday, July 4, 2019, in Ridgecrest, Calif. (AP Photo/Matt Hartman)
Pipes are damaged from an earthquake, Thursday, July 4, 2019, in Trona, Calif. (AP Photo/Matt Hartman)
Utility poles are damaged from an earthquake, Thursday, July 4, 2019, in Trona, Calif. (AP Photo/Matt Hartman)
A road is damaged from an earthquake Thursday, July 4, 2019, in Trona, Calif. (AP Photo/Matt Hartman)
A motorcyclist rides over a temporarily repaired part of damage on Highway 178 in Ridgecrest, Calif., following an earthquake in the area Thursday, July 4, 2019. (AP Photo/Matt Hartman)
This photo shows damage on Highway 178 in Ridgecrest, Calif., following an earthquake in the area Thursday, July 4, 2019. (AP Photo/Matt Hartman)
An eyewitness photo shows damage to a Ridgecrest-area roadway after Thursday morning's earthquake. (Karaleigh Roe/CNN)
In this image taken from video provided by Ben Hood, a firefighter works to extinguish a fire, Thursday, July 4, 2019, following an earthquake in Ridgecrest, Calif. (Ben Hood via AP)
Photos show the aftermath of an earthquake in Ridgecrest, California, on July 4, 2019. (Ledesma Chiropractic/Instagram)
Photos show the aftermath of an earthquake in Ridgecrest, California, on July 4, 2019. (Ledesma Chiropractic/Instagram)
Photos show the aftermath of an earthquake in Ridgecrest, California, on July 4, 2019. (Ledesma Chiropractic/Instagram)
Photos show the aftermath of an earthquake in Ridgecrest, California, on July 4, 2019. (Ledesma Chiropractic/Instagram)
Photos show the aftermath of an earthquake in Ridgecrest, California, on July 4, 2019. (DarthTowler/Twitter)
Photos show the aftermath of an earthquake in Ridgecrest, California, on July 4, 2019. (DarthTowler/Twitter)
Photos show the aftermath of an earthquake in Ridgecrest, California, on July 4, 2019. (DarthTowler/Twitter)
Photos show the aftermath of an earthquake in Ridgecrest, California, on July 4, 2019. (DarthTowler/Twitter)
Photos show the aftermath of an earthquake in Ridgecrest, California, on July 4, 2019. (BluePencap/Twitter)
Photos show the aftermath of an earthquake in Ridgecrest, California, on July 4, 2019. (BluePencap/Twitter)
Photos show the aftermath of earthquakes in Ridgecrest, California, on July 4 and July 5.