On July 21, , a magnitude 6. The quake fractured ground in some places, caused rockslides and landslides in others, and caused significant property damage.
Damage included broken ceiling tiles, plaster, chimneys, windows and walls at buildings in Bishop, as well as damage to homes and utility lines in Chalfant when mobilehomes were shaken off their supports. The earthquake was felt as far away as Salt Lake City, Utah. Foreshocks had been felt for up to three weeks prior. On the morning of July 13, , a magnitude 5. Twenty-nine people were hurt, and one person died. The damage, to at least 50 buildings, stretched from Newport Beach to San Diego , and there was also a small landslide in eastern San Diego County.
There was a large aftershock sequence, also offshore. On July 8, , a magnitude 5. It caused at least 29 injuries, damaged or destroyed more than 50 homes in the Palm Springs-Morongo Valley area and caused landslides. This magnitude 6. Damage was concentrated closer to the town of Morgan Hill and the Anderson Reservoir. Longtime residents of the Central Valley will remember the Coalinga earthquake of May 2, , which occurred on a previously unknown fault and injured 94 people, mostly from furniture and other items falling or being thrown about, and from people being knocked to the ground from the shaking.
An assessment by the American Red Cross stated that single-family houses and 33 apartment buildings were almost destroyed; single-family houses, 94 mobilehomes and 39 apartment buildings sustained major damage; and single-family houses, 22 mobilehomes and 70 apartment buildings sustained minor damage. Failed cornice and exterior walls of a building in the restricted area of heavily damaged downtown Coalinga. May 4, On November 8, , a magnitude 7. Six people were injured, and aftershocks were felt for days.
The earthquake was felt in parts of California, Oregon and Nevada. Considering the size of the quake, damage was light, although structural damage did occur. Chimneys fell and, in Fields Landing, at least four wood-frame houses were shifted off their foundations, with two falling partly to the ground. Also, Tompkins Hill Road overpass suffered partial collapse, and there were a few minor landslides , areas of liquefaction , and ground cracks.
On May 25, , around a. In the next 16 minutes, five shocks between magnitude 4. Within 48 hours of the initial quake, 72 magnitude 4. There were also thousands of shakes under magnitude 3. There were also widespread landslides and rockfalls. In the middle of the night on February 25, , a magnitude 5. It was not considered a major earthquake or even a highly damaging earthquake—no injuries were reported—but it did cause landslides that closed Highway 74 between Spring Crest and Palm Springs, and it also caused a fire in Rancho Mirage when a gas line broke in a home.
Additionally, minor damage, such as broken dishes and windows, was reported in many parts of Southern California. On October 15, , a magnitude 6. The quake destroyed two houses and 11 commercial buildings and damaged more than 1, houses and more than commercial buildings.
The Imperial County Services building in El Centro had to be razed after the eastern part of the building partly collapsed. This included damage to chimneys in older houses, broken glassware in stores, and structural damage to five buildings in the town of Gilroy. For example, in Gilroy, a wall cracked in the City Hall building, and a ceiling caved in inside a room within the Municipal Courthouse. The earthquake damaged a fire station at Pacheco Pass, and a nearby lookout station was vacated because of damage, as well.
This earthquake was felt near Bakersfield and Sacramento, and at least aftershocks were recorded. In the late afternoon of August 13, , a magnitude 5.
Notable damage included a freight train being derailed, a roof collapsing, and several buildings and at least one bridge being damaged.
By amazing coincidence, just one day before the earthquake and its aftershocks happened, four new seismographs were installed in the area near the epicenter! It was felt in many parts of Northern California and Western Nevada. This earthquake also caused structural damage cracked chimneys, walls, windows and plaster at several schools, homes and hospitals in southern Butte County. On February 9, , a magnitude 6. More than 2, people were injured. Several other hospitals were also damaged, and newly constructed freeway overpasses collapsed.
Had the quake struck at a busier time of day, loss of life would have likely been even greater. Seismic shaking, compression and extension along the length of the roadway were responsible for the damage in this image.
This view, looking east, shows the overpass, which was completed although not all segments were yet in service , as well as San Fernando Valley Juvenile Hall at right. Feb 11, On April 8, , a magnitude 6. It was felt as far away as the Yosemite Valley, Fresno and Las Vegas, and it caused damage across much of Southern California: power lines severed in San Diego County , collapsed ceilings in the Imperial Valley, cracked plaster in Los Angeles , landslides close to the epicenter, and minor surface rupture that cracked Highway The earthquake also caused small displacements along the Superstition Hills fault, Imperial fault and Banning-Mission Creek fault, miles from the epicenter.
On September 12, , a magnitude 5. Damage such as fallen chimneys and cracked walls occurred in nearby Loyalton, Sierraville, Boca, Hirschdale and Hobart Mills. There were landslides and rockslides, and pipelines, bridges, dams and roads were also affected. On June 27, , a magnitude 6. Luckily, little damage was reported, because the area was not well-populated.
There had been five magnitude 6 earthquakes in the same area prior to the earthquake, occurring in , , , and Two earthquakes in March , a magnitude 5. One death is attributed to the March 22 earthquake. In Daly City, chimneys were damaged, and there was some minor damage at homes near the ocean west of Daly City. In San Francisco , the earthquakes damaged chimneys, plaster, windows and merchandise. There were also cracks on the shoulder of Highway 1, as well as landslides blocking the roadway near Mussel Rock.
On December 21, , a magnitude 6. Some underground utilities were also damaged, and a water tank collapsed. On March 19, , a magnitude 6. The magnitude 7. It was felt over a large area, including in Nevada, San Francisco and San Diego —and even caused damage in these locations. Hundreds of buildings in the Kern County area were damaged, and at least buildings had to be torn down as a result of this earthquake.
There was extensive damage to a railroad section, and to land used for agriculture and irrigation. On December 4, , a magnitude 6. Fortunately, no lives were lost. It was felt as far north as Bakersfield, as far west as Catalina Island, as far east as Central Arizona and as far south as Mexico. Walls and buildings cracked in Escondido, Corona and Pasadena. Landslides and ground cracks occurred closer to the epicenter.
In Palm Springs, two people were injured, buildings were damaged or collapsed, and thousands of dollars of merchandise was destroyed when it fell from shelves.
On April 10, , a magnitude 6. However, there were reports of cracked floors and walls, a few collapsed structures, and heavy objects being moved. This quake was notable because it was the largest earthquake at that time—and the first to cause surface rupture about three miles of rupture —in the Mojave Block tectonic region.
On October 21, , an earthquake of magnitude 6. San Diegans felt at least 40 aftershocks in the week following the initial earthquake. Because its location was in a relatively unpopulated area, the earthquake caused relatively little damage: rockslides in Carrizo Gorge, which blocked a highway and railroad track; moderate damage in Jacumba Hot Springs, near the Mexico border; and minor damage in Brawley, El Centro, Westmoreland and San Diego. On June 30, , a magnitude 5. On May 18, , a magnitude 6.
It was the strongest earthquake ever recorded to strike in the Imperial Valley and was felt far away, in Los Angeles and even Tucson, Arizona. It caused a water tank to collapse in Imperial, damaged railroad bridges in California and Mexico, displaced roadway and railroad segments in many areas, swayed tall buildings in Los Angeles, collapsed buildings closer to the quake in Brawley and El Centro, and caused extensive damage to irrigation systems.
The Imperial fault had surface rupture of at least 25 miles, most likely much longer. Around dinnertime on March 10, , a magnitude 6. It is estimated that about two-thirds of these deaths occurred because people ran out of buildings and were hit by falling debris.
Fatalities would have been even higher if the quake had struck during school hours: 70 schools were destroyed, and were damaged. This earthquake led to the California Legislature enacting the Field Act, which gave the State Division of Architecture authority and responsibility for approving design and supervising construction of public schools. Building codes were also improved. Since the passage of the Field Act, no school in California has collapsed as a result of a seismic event.
On June 6, , the magnitude 6. A falling chimney killed one person, and the quake caused several injuries and caused significant property damage in Eureka, Arcata, Fields Landing and other nearby towns.
Damage included the shaking down of small houses, fallen and cracked chimneys, broken windows, broken water mains, cracked highways and damaged walls. This earthquake was strong enough to be felt hundreds of miles away, in San Jose , as well as in Oregon and Nevada.
On November 4, , a magnitude 7. The earthquake also produced a sea-quake, which killed and stunned fish near Point Arguello and shook at least two ships in the area. On land, the quake caused people to fall to the ground and caused damage—such as broken chimneys, houses shifting on their foundations, collapse of buildings, cracked walls and damage to a railroad bridge—in the coastal town closest to the epicenter.
On June 29, , a magnitude 6. Because portions of Santa Barbara were built on landfill, many structures were demolished. Additionally, this earthquake caused landslides in bluffs adjacent to the ocean, as well as damage to railroad tracks in the area.
Striking a little before midnight on July 22, , a magnitude 6. Two people were critically injured, but luckily no deaths were reported. Minor damage—chimneys falling and windows breaking—occurred in Redlands and San Bernardino. Additionally, trees fell in the San Bernardino Mountains nearby.
On January 22, , a magnitude 6. Damage included broken chimneys, separation of houses from their foundations, and broken utility lines. It also caused a small tsunami and aftershocks.
On April 21, , a magnitude 6. It was a Sunday, which meant business districts in San Jacinto and nearby Hemet were empty, so the number of fatalities and injuries was lower than it might have been on a weekday, with only a few injuries and one reported death. This earthquake was felt in Arizona and Baja California, as well. The amount of damage in the business districts was significant, and many large masonry structures collapsed. The quake also caused landslides , which resulted in at least one car accident, and blocked roads, including the road from Hemet to Idyllwild.
Near Winchester, two miners were trapped in a mine temporarily. Additionally, the shaking caused cracks in the ground, roads and irrigation canals.
On June 22, , two separate earthquakes occurred about an hour apart near El Centro. The first, a magnitude 6. The second, a magnitude 6. The first shock had caused many people to exit buildings and move into the streets, and because many of them had not yet returned to the buildings when the second quake occurred, severe injuries were limited.
However, in Mexicali, Mexico, less than 20 miles south of El Centro, dance halls and gambling halls had been busy before the first quake and continued to operate afterward, so many people returned to them. As a result, six deaths and many injuries occurred in Mexicali when weakened structures collapsed with patrons inside them or when materials inside the structures fell. On May 15, , a magnitude 6. It had been preceded by moderate foreshocks on April 10 and May It was not considered to be strong or damaging, apart from toppling some chimneys in Corona, Temescal and Wildomar.
The quake it is notable because its epicenter was thought to be somewhere along the Elsinore fault zone , in Temescal Valley, and no other earthquakes this large have been recorded along this fault zone. It was the result of a rupture on the San Andreas fault that caused strong shaking felt as far north as Eureka and as far south as Salinas.
Damage occurred well beyond San Francisco , such as into nearby Santa Cruz, San Benito and Monterey counties, where buildings collapsed, bridges were damaged, and river courses were altered.
The earthquake- and fire-wrecked Hibernia Bank Building in San Francisco, following the earthquake. On Christmas Day in , a magnitude 6. It caused six deaths on the Soboba Indian Reservation, as adobe walls fell on people there. It also badly damaged or destroyed almost all the brick buildings in San Jacinto and nearby Hemet.
In Riverside, the quake resulted in cracked walls and fallen chimneys. The earthquake supposedly even broke glass and stopped clocks at the railroad stop in what is now Needles, near the Arizona border.
On July 22, , a magnitude 5. People reported feeling this quake in much of Southern California. No deaths were reported, but the number of injuries is uncertain.
The earthquake caused landslides that blocked the Lytle Creek Canyon road and the road through Cajon Pass. It also caused some damage to buildings in San Bernardino, Highland and Patton. On April 19, , a magnitude 6.
Two days after the first quake, in the midmorning on Thursday, April 21, a second severe earthquake estimated to be around magnitude 6. There were numerous large aftershocks, including one of approximately magnitude 6.
On February 23, , an earthquake estimated at magnitude 7. The fact that the area was largely uninhabited helped to minimize damage and meant that there were no fatalities. Still, the quake cracked buildings in San Diego , destroyed adobe buildings at the Carrizo stage depot, and destroyed a church and a school in Paradise Valley.
Strong, violent shaking was also felt in Los Angeles and towns in Mexico, but luckily damage was minimal. Report a correction or typo. Related topics: marin san francisco alameda san mateo san jose earthquake society disaster abc7 originals prepare norcal loma prieta earthquake.
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The first major event to occur along the San Andreas fault zone since the earthquake. The Loma Prieta earthquake ruptured the southernmost 40 km of the break, in comparable amounts of right-lateral strike slip and reverse slip motion. The average strike-slip displacement was 1. Shaking was noticed as far south as Fresno and as far north as Chico.
The epicenter of this magnitude 6.
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