Earthquake Information for Los Altos, California

Los Altos, CA has a very high earthquake risk, with a total of 4,850 earthquakes since 1931. The USGS database shows that there is a 99.44% chance of a major earthquake within 50km of Los Altos, CA within the next 50 years. The largest earthquake within 30 miles of Los Altos, CA was a 6.9 Magnitude in 1989.

Risk Level:
Very High

Total Number of Earthquakes in Los Altos since 1931 within 30 miles

4,850

Probability of A 5.0 Earthquake within next 50 years

99.44%

Most Recent
Largest

4/25/2024 - 1.6 mag, 2.1mi depth 5.55662 mi from Day Valley, CA
4/23/2024 - 1.1 mag, 10.9mi depth 6.68403 mi from Day Valley, CA
4/18/2024 - 1.7 mag, 26.2mi depth 8.69359 mi from Livermore, CA
4/17/2024 - 1.3 mag, 3.3mi depth 4.39597 mi from Portola Valley, CA
4/16/2024 - 1.6 mag, 6.4mi depth 9.40596 mi from Morgan Hill, CA
4/12/2024 - 1.2 mag, 9.8mi depth 4.71481 mi from Alameda, CA
4/11/2024 - 1.3 mag, 9.5mi depth 3.92906 mi from San Leandro, CA
4/10/2024 - 3.2 mag, 5.6mi depth 9.04923 mi from Morgan Hill, CA
4/8/2024 - 1.1 mag, 10.3mi depth 2.31097 mi from Portola Valley, CA
4/6/2024 - 2.1 mag, 9.0mi depth 5.03793 mi from Milpitas, CA
4/4/2024 - 1.8 mag, 3.3mi depth 0.914178 mi from Union City, CA
3/31/2024 - 1.3 mag, 6.0mi depth 1.44968 mi from Sunol, CA
3/30/2024 - 1.6 mag, 4.4mi depth 5.41771 mi from Milpitas, CA
3/25/2024 - 1.4 mag, 5.8mi depth 1.33294 mi from Fairview, CA
3/23/2024 - 1.1 mag, 2.4mi depth 8.55902 mi from Livermore, CA
3/20/2024 - 1.3 mag, 7.7mi depth 3.03335 mi from Fremont, CA
3/18/2024 - 1.6 mag, 2.7mi depth 2.81534 mi from Pacifica, CA
3/15/2024 - 1.9 mag, 5.1mi depth 8.77621 mi from Morgan Hill, CA
3/14/2024 - 2.5 mag, 9.6mi depth 10.0511 mi from Morgan Hill, CA
3/11/2024 - 1.2 mag, 5.1mi depth 1.80779 mi from Morgan Hill, CA
2/27/2024 - 2.7 mag, 2.4mi depth 3.21002 mi from Corralitos, CA
2/26/2024 - 1.0 mag, 2.3mi depth 6.19456 mi from Day Valley, CA
2/23/2024 - 1.1 mag, 5.6mi depth 1.74517 mi from Los Altos Hills, CA
2/22/2024 - 3.2 mag, 9.2mi depth 3.46245 mi from Fremont, CA
2/20/2024 - 1.2 mag, 8.8mi depth 1.10571 mi from San Leandro, CA
2/20/2024 - 1.6 mag, 3.2mi depth 2.18907 mi from Hayward, CA
2/18/2024 - 1.9 mag, 9.6mi depth 3.35151 mi from Newark, CA
2/16/2024 - 0.6 mag, 2.7mi depth 3.07116 mi from Portola Valley, CA
2/15/2024 - 1.7 mag, 4.1mi depth 3.47215 mi from Hayward, CA
2/12/2024 - 1.4 mag, 7.7mi depth 2.72605 mi from Union City, CA
2/11/2024 - 1.1 mag, 8.9mi depth 2.89815 mi from Portola Valley, CA
2/3/2024 - 1.2 mag, 9.1mi depth 2.93162 mi from Union City, CA
2/1/2024 - 2.3 mag, 3.1mi depth 1.96081 mi from Woodside, CA
2/1/2024 - 1.6 mag, 15.9mi depth 3.51611 mi from Alameda, CA
2/1/2024 - 2.3 mag, 16.6mi depth 3.91791 mi from Alameda, CA
2/1/2024 - 2.2 mag, 6.0mi depth 1.88376 mi from Woodside, CA
2/1/2024 - 1.4 mag, 10.3mi depth 2.84277 mi from Portola Valley, CA
2/1/2024 - 2.3 mag, 1.9mi depth 1.88595 mi from Portola Valley, CA
1/31/2024 - 1.2 mag, 3.5mi depth 14.783 mi from Livermore, CA
1/27/2024 - 1.5 mag, 2.2mi depth 1.80837 mi from Portola Valley, CA
1/24/2024 - 1.2 mag, 8.5mi depth 0.841824 mi from Pacifica, CA
1/22/2024 - 1.6 mag, 15.6mi depth 8.93366 mi from Morgan Hill, CA
1/21/2024 - 0.9 mag, 0.4mi depth 9.464 mi from Morgan Hill, CA
1/20/2024 - 1.5 mag, 6.0mi depth 1.85103 mi from Woodside, CA
1/17/2024 - 1.4 mag, 5.3mi depth 3.7165 mi from Day Valley, CA
1/13/2024 - 1.6 mag, 11.4mi depth 4.60525 mi from Moraga, CA
1/13/2024 - 1.0 mag, -0.3mi depth 7.60736 mi from Boulder Creek, CA
1/9/2024 - 0.8 mag, 4.8mi depth 4.09287 mi from Saratoga, CA
1/7/2024 - 1.5 mag, 10.0mi depth 5.99691 mi from San Ramon, CA
1/6/2024 - 2.2 mag, 10.0mi depth 1.68753 mi from Portola Valley, CA

10/18/1989 - 6.9 mag, 11.4mi depth 7.256 mi from Morgan Hill, CA
10/18/1989 - 6.9 mag, 18.0mi depth 1.6417 mi from Day Valley, CA
4/24/1984 - 6.1 mag, 8.8mi depth 6.1436 mi from San Jose, CA
3/31/1986 - 5.6 mag, 9.2mi depth 9.7153 mi from East Foothills, CA
3/31/1986 - 5.6 mag, 8.0mi depth 9.7507 mi from East Foothills, CA
10/31/2007 - 5.6 mag, 10.0mi depth 4.1896 mi from East Foothills, CA
10/25/2022 - 5.1 mag, 6.9mi depth 7.85001 mi from San Jose, CA
10/18/1989 - 5.0 mag, 5.0mi depth 3.0013 mi from Day Valley, CA
6/13/1988 - 5.0 mag, 7.0mi depth 2.3963 mi from East Foothills, CA
8/8/1989 - 4.9 mag, 15.0mi depth 2.8591 mi from Lexington Hills, CA
1/15/1981 - 4.8 mag, 9.0mi depth 4.3146 mi from East Foothills, CA
6/27/1988 - 4.8 mag, 13.0mi depth 6.4949 mi from Lexington Hills, CA
5/21/1996 - 4.8 mag, 7.6mi depth 5.2988 mi from East Foothills, CA
10/18/1989 - 4.8 mag, 19.0mi depth 4.5815 mi from Boulder Creek, CA
10/18/1989 - 4.6 mag, 14.0mi depth 2.8451 mi from Lexington Hills, CA
10/25/1989 - 4.6 mag, 14.0mi depth 3.8901 mi from Day Valley, CA
8/11/1993 - 4.6 mag, 9.8mi depth 8.0093 mi from San Jose, CA
11/2/1989 - 4.5 mag, 12.0mi depth 3.9548 mi from Day Valley, CA
11/5/1989 - 4.5 mag, 15.0mi depth 3.9334 mi from Day Valley, CA
4/3/1989 - 4.5 mag, 9.0mi depth 2.9123 mi from East Foothills, CA
10/21/1989 - 4.5 mag, 13.0mi depth 3.4524 mi from Day Valley, CA
11/10/1988 - 4.5 mag, 7.0mi depth 3.2923 mi from East Foothills, CA
11/7/1989 - 4.4 mag, 11.0mi depth 2.8423 mi from Monte Sereno, CA
10/21/1989 - 4.4 mag, 14.0mi depth 1.8751 mi from Day Valley, CA
2/25/2001 - 4.4 mag, 7.8mi depth 7.0671 mi from San Jose, CA
4/28/1979 - 4.4 mag, 12.0mi depth 2.1811 mi from Pacifica, CA
5/3/1984 - 4.4 mag, 10.0mi depth 8.3454 mi from San Jose, CA
4/25/1981 - 4.4 mag, 10.0mi depth 4.7388 mi from Day Valley, CA
3/30/2009 - 4.3 mag, 7.7mi depth 10.6459 mi from Morgan Hill, CA
9/26/1984 - 4.3 mag, 6.0mi depth 5.4739 mi from East Foothills, CA
10/20/1989 - 4.3 mag, 12.0mi depth 4.6412 mi from Scotts Valley, CA
12/30/1988 - 4.3 mag, 7.0mi depth 7.1407 mi from San Jose, CA
10/18/1989 - 4.3 mag, 7.0mi depth 2.2684 mi from Corralitos, CA
8/8/1989 - 4.3 mag, 13.0mi depth 2.9619 mi from Lexington Hills, CA
8/29/1978 - 4.3 mag, 8.0mi depth 4.8122 mi from East Foothills, CA
3/27/1984 - 4.3 mag, 7.0mi depth 2.3184 mi from San Leandro, CA
10/18/1989 - 4.3 mag, 20.0mi depth 2.4448 mi from Lompico, CA
5/8/1979 - 4.3 mag, 9.0mi depth 8.1211 mi from San Jose, CA
11/5/1989 - 4.2 mag, 15.0mi depth 5.0119 mi from Scotts Valley, CA
8/8/1989 - 4.2 mag, 15.0mi depth 1.1074 mi from Lexington Hills, CA
10/18/1989 - 4.2 mag, 5.0mi depth 2.8338 mi from Lexington Hills, CA
11/12/1973 - 4.2 mag, 17.0mi depth 2.9357 mi from Lexington Hills, CA
9/3/1986 - 4.2 mag, 10.0mi depth 8.373 mi from San Jose, CA
3/3/1981 - 4.2 mag, 8.0mi depth 3.7116 mi from Fremont, CA
6/5/1984 - 4.2 mag, 6.0mi depth 9.5294 mi from Morgan Hill, CA
4/20/1991 - 4.1 mag, 5.0mi depth 7.0305 mi from East Foothills, CA
2/2/2003 - 4.1 mag, 16.7mi depth 1.3706 mi from San Ramon, CA
10/30/1989 - 4.1 mag, 13.0mi depth 3.4005 mi from Day Valley, CA
10/18/1989 - 4.1 mag, 12.0mi depth 3.0865 mi from Corralitos, CA
7/9/1989 - 4.1 mag, 5.0mi depth 2.0429 mi from East Foothills, CA

View All

Earthquake Probability for Los Altos, CA

View the probability of a major earthquake within the next 50 years in Los Altos, CA.

Probability of Earthquakes Within the Next 50 Years For Magnitudes Between 5.0 and 9.2

(within 31 km/51 miles above magnitude)

5.0

99.44%

5.1

98.97%

5.2

98.97%

5.2

98.27%

5.3

97.35%

5.4

96.21%

5.5

94.90%

5.6

93.48%

5.7

91.99%

5.8

90.51%

5.9

89.06%

6.0

87.36%

6.1

84.97%

6.2

81.50%

6.3

76.99%

6.4

71.30%

6.5

64.91%

6.6

59.11%

6.7

53.03%

6.8

46.40%

6.9

39.96%

7.0

33.77%

7.1

28.85%

7.2

25.35%

7.3

21.97%

7.4

18.19%

7.5

13.40%

7.6

10.56%

7.7

8.82%

7.8

7.64%

7.9

5.84%

8.0

3.68%

8.1

2.43%

8.2

0.66%

8.3

0.32%

8.4

0.00%

8.5

0.00%

8.6

0.00%

8.7

0.00%

8.8

0.00%

8.9

0.00%

9.0

0.00%

9.1

0.00%

9.2

0.00%

Earthquake Count for Los Altos, CA

View the number of earthquake incidents in Los Altos, CA by year that are more than 2.5 Magnitude.

List of Earthquake Incidents for Los Altos, CA

Total Number of Earthquakes in Los Altos, CA within 30 miles. All distances and depths in the table are measured in miles.

04/25/2024

1.6

2.1

5.56

Earthquake Information for Los Altos, California

Earthquake Probability for Los Altos, CA

Probability of Earthquakes Within the Next 50 Years For Magnitudes Between 5.0 and 9.2

Earthquake Count for Los Altos, CA

List of Earthquake Incidents for Los Altos, CA

Risk Of Natural Disasters In Los Altos, CA

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