menuside

2

MAJOR CALIFORNIA EARTHQUAKES BY MONTH000

  1

January

Date

Magnitude

Epicenter

Name, Location, or
Region Affected

Loss of Life and Property

Latitude

Longitude

Jan. 9, 1857

7.9

36.20

-120.80

Great Fort Tejon earthquake

1 dead; damage
from Monterey to San Bernardino 
County

Jan. 17, 1994

6.7

34.21

-118.54

Northridge

57 dead; more than 9,000 injured; about $40 billion in property damage

Jan. 22, 1923

7.2

40.40

-124.90

Off Cape Mendocino

Destructive in Humboldt County; strongly felt in Reno

Jan. 26, 1700

9.0?

?

?

Offshore, somewhere between Cape Mendocino and Canada

Data not available,
but shook northern California, Oregon, Washington, and southern British Columbia; caused tsunami damage to villages in Japan and western US

Jan. 31, 1922

7.3

41.00

-125.50

Offshore, about 70 mi W of Eureka

February

Date

Magnitude

Epicenter

Name, Location, or
Region Affected

Loss of Life and Property

Latitude

Longitude

Feb. 9, 1890

6.8

33.40

-116.30

San Jacinto fault?

Little damage

Feb. 9, 1971

6.6

34.41

-118.4

San Fernando

65 dead; more than 2,000 injured; $505 million in losses

Feb. 24, 1892

7.3

32.55

-115.65

Laguna Salida, Baja California

Damage to San Diego and Imperial Valley

March

Date

Magnitude

Epicenter

Name, Location, or
Region Affected

Loss of Life and Property

Latitude

Longitude

Mar. 10, 1922

6.3

36.10

-120.60

Parkfield

Mar. 11, 1933

6.4

33.70

-118.00

Long Beach

115 dead; $40 million in property damage

Mar. 26, 1872

7.4

36.70

-118.10

Owens Valley

27 dead; 56 injured; $250,000 in property damage

Mar. 31, 1898

6.4

38.20

-122.50

Mare Island

$350,000 in property damage

April

Date

Magnitude

Epicenter

Name, Location, or
Region Affected

Loss of Life and Property

Latitude

Longitude

Apr. 8, 1968

6.6

33.19

-116.13

Borrego Mountain

Apr. 10, 1947

6.5

34.98

-116.55

East of Yermo

Apr. 15, 1898

6.7?

39.20

-123.80

Fort Bragg - Mendocino

Damage from Fort Bragg to Mendocino; 3 houses collapsed; landslides reported

Apr. 16, 1899

7.0

41.00

-126.00

Offshore, about 80 miles west of Eureka

Apr. 18, 1906

7.8

37.70

-122.50

Great 1906 San Francisco Earthquake and Fire

3,000 dead; $524 million in property damage (includes damage from fire)

Apr. 19, 1892

6.6

38.40

-122.00

Vacaville

1 dead; $225,000 in property damage

Apr. 21, 1918

6.8

33.75

-117.00

San Jacinto

1 dead; several injuries; $200,000 in property damage

Apr. 24, 1984

6.2

37.31

-121.68

Morgan Hill

$8 million in property damage

Apr. 25, 1992

7.2

40.33

-124.23

Cape Mendocino area

356 injured; $48.3 million in property damage; two M 6.6 aftershocks on following day

May

Date

Magnitude

Epicenter

Name, Location, or
Region Affected

Loss of Life and Property

Latitude

Longitude

May 2, 1983

6.4

36.23

-120.31

Coalinga

 May 19, 1940

7.0

32.73

-115.50

Imperial Valley

9 dead; $6 million in property damage

May 25, 1980

6.2

37.60

-118.85

Mammoth Lakes

May 25, 1980

6.0

37.63

-118.93

Mammoth Lakes

June

Date

Magnitude

Epicenter

Name, Location, or
Region Affected

Loss of Life and Property

Latitude

Longitude

June 1838

7.4?

37.30

-122.15

San Francisco to San Juan Bautista

Damage to San Francisco and Santa Clara

June 28, 1992

7.3

34.20

-116.44

Landers

1 dead; 402 injured; $91.1 million in property damage

June 28, 1992

6.5

34.17

-116.83

Big Bear

Included with Landers losses, above

Jun. 29, 1925

6.8

34.30

-119.80

Santa Barbara

13 dead; $8 million in property damage

July

Date

Magnitude

Epicenter

Name, Location, or
Region Affected

Loss of Life and Property

Latitude

Longitude

July 1, 1911

6.4

37.25

-121.75

Morgan Hill area

July 21, 1952

7.3

35.00

-119.02

Kern County earthquake

12 dead; $60 million
in property damage

July 21, 1986

6.4

37.54

-118.44

Chalfant Valley

July 22, 1899

6.4

34.30

-117.50

Wrightwood

Chimneys knocked down; landslides reported

August

Date

Magnitude

Epicenter

Name, Location, or
Region Affected

Loss of Life and Property

Latitude

Longitude

Aug. 17, 1991

7.0

41.71

-125.63

Offshore, about 100 miles NW of Eureka

Preceded by two quakes (6.3 and 6.2) on Aug. 16 and 17

September

Date

Magnitude

Epicenter

Name, Location, or
Region Affected

Loss of Life and Property

Latitude

Longitude

Sep. 1, 1994

7.0

40.40

-125.68

Offshore, about 70 miles W of Cape Mendocino

October

Date

Magnitude

Epicenter

Name, Location, or
Region Affected

Loss of Life and Property

Latitude

Longitude

Oct. 1, 1987

6.0

34.07

-118.08

Whittier Narrows

8 dead; $358 million in property damage to 10,500 homes and businesses

Oct. 8, 1865

6.5

37.20

-121.90

Santa Cruz Mountains

$0.5 million in property damage

Oct. 15, 1979

6.5

32.61

-115.32

Imperial Valley

9 injured; $30 million
in property damage

Oct. 16, 1999

7.1

34.60

-116.27

Bullion Mountains (Hector Mine)

Minimal injuries and damage due to sparse population in affected area

Oct. 17, 1989

6.9

37.04

-121.88

Loma Prieta

63 dead; 3,737 injured; $6 billion in property damage

Oct. 21, 1868

7.0

37.70

-122.10

Hayward Fault

30 dead; $350,000 in property damage

Oct. 21, 1942

6.4

32.97

-116.00

About 25 miles W of Westmoreland

November

Date

Magnitude

Epicenter

Name, Location, or
Region Affected

Loss of Life and Property

Latitude

Longitude

Nov. 4, 1927

7.1

34.60

-120.90

40 km west of Lompoc

Damage in Santa Barbara and San Luis Obispo counties

Nov. 4, 1908

6.0

36.00

-117.00

SW of Death Valley

Nov. 8, 1980

7.4

41.12

-124.67

West of Eureka

6 injured; $2 million
in property damage

Nov. 21, 1915

6.6

32.00

-115.00

In Mexico, about 60 miles S of El Centro

Nov. 22, 1800

6.3?

32.90

-117.80

San Diego/San Juan Capistrano region

Damaged adobe walls of missions in San Diego and San Juan Capistrano

Nov. 23, 1873

6.9

42.00

-124.20

Crescent City region

Damage in California-Oregon border area

Nov. 24, 1987

6.2

33.09

-115.79

Superstition Hills

$3 million in property damage

Nov. 24, 1987

6.6

33.01

-115.85

Superstition Hills

part of above damage

December

Date

Magnitude

Epicenter

Name, Location, or
Region Affected

Loss of Life and Property

Latitude

Longitude

Dec. 4, 1948

6.0

33.93

-116.38

Desert Hot Springs

Dec. 8, 1812

7.3

34.37

-117.65

Wrightwood

40 dead at San Juan Capistrano

Dec. 16, 1954

7.3

39.28

-118.12

Fairview Peak, near Fallon, NV

Dec. 16, 1954

7.1

39.80

-118.10

Dixie Valley, near Fallon, NV

Dec. 21, 1812

7.1

34.75

-118.60

Los Angeles, Ventura, Santa Barbara

1 dead

Dec. 21, 1954

6.6

40.93

-123.78

East of Arcata

1 dead; several injured; $2.1 million in property damage

Dec. 25, 1899

6.7

33.80

-117.00

San Jacinto and Hemet

6 dead; $50,000 in property damage

Dec 31, 1934

7.0

32.00

-114.75

In Mexico, about 100 miles SE of El Centro

   

orange bar