1952 Kern County earthquake

Kern County earthquake1952 earthquake1952 Kern County1952 Kern County earthquake - Wikipedia1952 Tehachapi earthquake1952-08-22Kern County sequence of shocksmagnitude 7.5 earthquake
The 1952 Kern County earthquake occurred on July 21 in the southern San Joaquin Valley and measured 7.3 on the moment magnitude scale.wikipedia
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Tehachapi, California

TehachapiTehachapi, CACalifornia (Tehachapi)
The town of Tehachapi suffered the greatest damage and loss of life from the earthquake, though other locations in Kern County experienced significant damage as well, but its effects were widely felt throughout central and southern California.
Tehachapi experienced the 7.3 magnitude 1952 Kern County earthquake on the White Wolf Fault.

White Wolf Fault

earthquake of 1952
The earthquake occurred on the White Wolf Fault near the community of Wheeler Ridge and was the strongest to occur in California since the 1906 San Francisco earthquake.
The White Wolf Fault was the source of the 1952 Kern County earthquake on July 21 (M=7.3).

Bakersfield, California

BakersfieldBakersfield, CACalifornia (Bakersfield)
Repercussions of the sequence of earthquakes were still being felt in the heavily damaged downtown area of Bakersfield well into the 1990s as city leaders attempted to improve safety of the surviving unreinforced masonry buildings.
One of the more definitive amendments was to change the Mayor from an appointed position (by the City Council) to an elected position in 1956, which was done as a result of the 1952 Kern County earthquake.

Wheeler Ridge, California

Wheeler RidgeWheeler Ridge areaWheeler Ridge, CA
The earthquake occurred on the White Wolf Fault near the community of Wheeler Ridge and was the strongest to occur in California since the 1906 San Francisco earthquake.
The epicenter of the magnitude 7.3 1952 Kern County earthquake (White Wolf earthquake), on the White Wolf Fault, was at Wheeler Ridge.

Arvin, California

ArvinArvin, CA
The July 21 M5.1 shock at 15:13 GMT and the July 23 shock at 00:38 both damaged buildings in Arvin, and the latter event also caused slight damage in Fresno and near Bakersfield.
The city was nearly destroyed on July 21, 1952 during the M7.3 Kern County earthquake (a rupture of the White Wolf Fault).

California Institution for Women

California Institute for WomenCalifornia state prisonTehachapi Prison for Women
All 417 inmates from the Tehachapi Prison for Women were evacuated because of damage; the California Department of Corrections stated that the facility was left unusable.
The original California Institution for Women was dedicated in Tehachapi in 1932; however, after the 1952 Kern County earthquake, the female inmates were transferred to the just-opened CIW in Chino, and the Tehachapi facility was rebuilt as the male-only California Correctional Institution.

Tehachapi Municipal Airport

Tehachapi (TSP)Tehachapi Municipal Airport (KTSP)
All aircraft not related to the relief effort were ordered not to land at the Tehachapi Municipal Airport.
The airport was established in 1929 originally to support an air mail route between Tehachapi and Bakersfield, but after the 1952 Kern County earthquake Tehachapi became inaccessible by roads or rail, and the airport saw an emergency relief airlift for several weeks.

Kern County Hall of Records

Hall of Records
It is also one of the few government buildings to survive the 1952 earthquake.

Beale Memorial Clock Tower

The Kern County Courthouse, St. Francis Church, and the original Beale Memorial Clock Tower were all damaged and were leveled or rebuilt.
The clock tower continued to stand until the 1952 Kern County earthquake sequence took place in July and August.

First Baptist Church (Bakersfield, California)

First Baptist Church
It is the only religious structure of its era to survive the 1952 Kern County earthquake that destroyed many of downtown Bakersfield's historic structures.

Tevis Block

It was one of only a handful of unreinforced masonry buildings to survive the 1952 Kern County earthquake, and was subsequently strengthened, renovated and restored to a close proximity of its original architecture.

San Joaquin Valley

San JoaquinSan Joaquin Valley (North)San Joaquin Valley, California
The 1952 Kern County earthquake occurred on July 21 in the southern San Joaquin Valley and measured 7.3 on the moment magnitude scale.

Moment magnitude scale

moment magnitudeM w magnitude
The 1952 Kern County earthquake occurred on July 21 in the southern San Joaquin Valley and measured 7.3 on the moment magnitude scale.

Pacific Time Zone

Pacific (PST)PSTPacific
The main shock occurred at 4:52 am Pacific Daylight Time (11:52 UTC), killed 12 people and injured hundreds, and caused an estimated $60 million in property damage.

Coordinated Universal Time

UTCUTC-3UTC-4
The main shock occurred at 4:52 am Pacific Daylight Time (11:52 UTC), killed 12 people and injured hundreds, and caused an estimated $60 million in property damage.

Bealville, California

Bealville
A small sector of damage near Bealville corresponded to a maximum Mercalli intensity of XI (Extreme), though this intensity rating was not representative of the majority of damage.

Modified Mercalli intensity scale

Mercalli intensityMercalli intensity scaleMMI
A small sector of damage near Bealville corresponded to a maximum Mercalli intensity of XI (Extreme), though this intensity rating was not representative of the majority of damage.

1906 San Francisco earthquake

1906 earthquakeSan Francisco earthquakeSan Francisco earthquake of 1906
The earthquake occurred on the White Wolf Fault near the community of Wheeler Ridge and was the strongest to occur in California since the 1906 San Francisco earthquake.

Peak ground acceleration

gground accelerationacceleration
Following the event, a field survey was conducted along the fault zone with the goal of estimating the peak ground acceleration of the shock based on visually evaluating precarious rock formations and other indicators.

Strong ground motion

ShakeMappeak ground velocitystrong motion
The strong motion records that were acquired from the event were significant, and a reconnaissance report was recognized for its coverage of the event, and how it set a standard for those types of engineering or scientific papers.

Unreinforced masonry building

unreinforced masonryunreinforced brick buildingsunreinforced brick masonry
Repercussions of the sequence of earthquakes were still being felt in the heavily damaged downtown area of Bakersfield well into the 1990s as city leaders attempted to improve safety of the surviving unreinforced masonry buildings.

Lebec, California

Lebec
At Lebec, California, just south of the epicenter of the July mainshock, the San Andreas Fault comes together with the Garlock Fault, which is positioned at the northern border of the Mojave Desert.