Earthquake Information for Alto, California

Alto, CA has a very high earthquake risk, with a total of 3,727 earthquakes since 1931. The USGS database shows that there is a 97.07% chance of a major earthquake within 50km of Alto, CA within the next 50 years. The largest earthquake within 30 miles of Alto, CA was a 6.0 Magnitude in 2014.

Risk Level:
Very High

Total Number of Earthquakes in Alto since 1931 within 30 miles

3,727

Probability of A 5.0 Earthquake within next 50 years

97.07%

Most Recent
Largest

4/28/2024 - 1.0 mag, 8.6mi depth 2.52335 mi from Berkeley, CA
4/26/2024 - 2.0 mag, 1.5mi depth 5.28199 mi from Vallejo, CA
4/26/2024 - 1.6 mag, 9.6mi depth 3.88431 mi from Muir Beach, CA
4/25/2024 - 1.6 mag, 8.2mi depth 0.581144 mi from Alamo, CA
4/22/2024 - 1.6 mag, 7.7mi depth 7.90782 mi from San Francisco, CA
4/19/2024 - 2.1 mag, 3.1mi depth 5.85428 mi from Vallejo, CA
4/19/2024 - 2.1 mag, 10.0mi depth 8.83305 mi from San Francisco, CA
4/19/2024 - 1.1 mag, 10.0mi depth 1.33475 mi from Crockett, CA
4/18/2024 - 2.0 mag, 0.0mi depth 3.37389 mi from American Canyon, CA
4/15/2024 - 0.8 mag, 9.2mi depth 3.38581 mi from Berkeley, CA
4/13/2024 - 1.3 mag, 12.4mi depth 1.8148 mi from Pleasant Hill, CA
4/13/2024 - 0.9 mag, 9.5mi depth 0.789862 mi from East Richmond Heights, CA
4/12/2024 - 1.5 mag, 1.1mi depth 3.34381 mi from Santa Venetia, CA
4/12/2024 - 1.8 mag, 0.1mi depth 4.83328 mi from Vallejo, CA
4/12/2024 - 1.2 mag, 9.8mi depth 4.71481 mi from Alameda, CA
4/12/2024 - 2.2 mag, -0.3mi depth 1.31998 mi from Vallejo, CA
4/12/2024 - 1.8 mag, 8.6mi depth 4.05962 mi from Muir Beach, CA
4/12/2024 - 1.8 mag, 4.8mi depth 0.553254 mi from Orinda, CA
4/12/2024 - 1.7 mag, 4.1mi depth 0.435303 mi from Orinda, CA
4/11/2024 - 2.2 mag, 9.0mi depth 3.07133 mi from Berkeley, CA
4/11/2024 - 1.3 mag, 9.5mi depth 3.92906 mi from San Leandro, CA
4/10/2024 - 2.3 mag, 8.5mi depth 4.24861 mi from Muir Beach, CA
4/6/2024 - 1.4 mag, 5.0mi depth 7.81608 mi from San Francisco, CA
4/6/2024 - 3.4 mag, 9.4mi depth 3.30386 mi from Berkeley, CA
4/6/2024 - 0.7 mag, 8.2mi depth 3.19282 mi from Berkeley, CA
4/6/2024 - 1.6 mag, 7.0mi depth 1.44501 mi from Walnut Creek, CA
4/6/2024 - 1.9 mag, 8.8mi depth 3.10502 mi from Berkeley, CA
4/4/2024 - 1.7 mag, 12.2mi depth 1.01478 mi from Pacheco, CA
4/4/2024 - 1.6 mag, 1.3mi depth 3.07427 mi from Santa Venetia, CA
3/29/2024 - 1.5 mag, 9.2mi depth 1.027 mi from East Richmond Heights, CA
3/27/2024 - 1.5 mag, 1.2mi depth 3.30412 mi from Santa Venetia, CA
3/25/2024 - 1.4 mag, 5.8mi depth 1.33294 mi from Fairview, CA
3/22/2024 - 0.7 mag, 7.2mi depth 2.2355 mi from Alamo, CA
3/22/2024 - 2.6 mag, 10.7mi depth 3.19117 mi from Pleasant Hill, CA
3/22/2024 - 1.8 mag, 8.0mi depth 7.86845 mi from San Francisco, CA
3/21/2024 - 1.7 mag, 7.6mi depth 4.60053 mi from Napa, CA
3/21/2024 - 2.1 mag, 2.9mi depth 4.88649 mi from Muir Beach, CA
3/19/2024 - 1.6 mag, 0.0mi depth 2.94685 mi from Santa Venetia, CA
3/18/2024 - 1.4 mag, 8.0mi depth 1.89489 mi from Alamo, CA
3/18/2024 - 1.6 mag, 2.7mi depth 2.81534 mi from Pacifica, CA
3/18/2024 - 1.6 mag, 7.8mi depth 2.7965 mi from Oakland, CA
3/18/2024 - 1.9 mag, 7.9mi depth 2.08868 mi from Alamo, CA
3/17/2024 - 1.8 mag, 15.2mi depth 1.51411 mi from Pacheco, CA
3/15/2024 - 1.8 mag, 8.5mi depth 3.18213 mi from Oakland, CA
3/15/2024 - 2.4 mag, 10.7mi depth 3.00559 mi from Berkeley, CA
3/13/2024 - 2.4 mag, 9.7mi depth 2.42339 mi from American Canyon, CA
3/12/2024 - 1.7 mag, 10.8mi depth 9.16166 mi from San Francisco, CA
3/7/2024 - 1.4 mag, 6.7mi depth 1.5437 mi from Pleasant Hill, CA
3/5/2024 - 2.0 mag, 9.3mi depth 7.53332 mi from San Francisco, CA
3/4/2024 - 1.7 mag, 7.8mi depth 8.6167 mi from San Francisco, CA

8/24/2014 - 6.0 mag, 10.8mi depth 4.17432 mi from American Canyon, CA
10/2/1969 - 5.7 mag, 15.0mi depth 3.3136 mi from Cotati, CA
1/8/1977 - 4.8 mag, 10.0mi depth 2.3623 mi from Orinda, CA
4/7/1990 - 4.5 mag, 1.0mi depth 1.9436 mi from Alamo, CA
1/4/2018 - 4.5 mag, 13.0mi depth 3.13005 mi from Berkeley, CA
8/18/1999 - 4.5 mag, 7.0mi depth 1.4801 mi from Bolinas, CA
10/14/2019 - 4.5 mag, 14.6mi depth 1.5005 mi from Pleasant Hill, CA
4/28/1979 - 4.4 mag, 12.0mi depth 2.1811 mi from Pacifica, CA
5/11/1987 - 4.3 mag, 4.0mi depth 1.8793 mi from Canyon, CA
4/28/1990 - 4.3 mag, 6.0mi depth 1.6798 mi from North Gate, CA
3/27/1984 - 4.3 mag, 7.0mi depth 2.3184 mi from San Leandro, CA
6/26/1994 - 4.2 mag, 7.4mi depth 0.5747 mi from Kensington, CA
4/28/1990 - 4.2 mag, 5.0mi depth 0.7963 mi from Alamo, CA
7/20/2007 - 4.2 mag, 5.3mi depth 2.2993 mi from Canyon, CA
3/2/2007 - 4.2 mag, 16.2mi depth 0.6229 mi from Lafayette, CA
9/6/2008 - 4.1 mag, 16.2mi depth 1.2165 mi from Alamo, CA
1/8/1977 - 4.1 mag, 10.0mi depth 2.0121 mi from Orinda, CA
8/17/2015 - 4.1 mag, 5.4mi depth 1.21708 mi from Piedmont, CA
3/29/1986 - 4.0 mag, 9.0mi depth 1.6023 mi from Orinda, CA
5/3/2015 - 4.0 mag, 14.6mi depth 1.54997 mi from Concord, CA
9/5/2003 - 4.0 mag, 11.5mi depth 1.3839 mi from Piedmont, CA
3/5/2012 - 4.0 mag, 8.1mi depth 0.6563 mi from El Cerrito, CA
6/4/1983 - 4.0 mag, 6.0mi depth 1.5122 mi from Ashland, CA
1/8/1977 - 4.0 mag, 10.0mi depth 2.3623 mi from Orinda, CA
6/4/2008 - 3.9 mag, 10.3mi depth 1.9077 mi from Green Valley, CA
10/27/2023 - 3.9 mag, 13.1mi depth 1.64644 mi from Millbrae, CA
8/26/2014 - 3.9 mag, 11.7mi depth 2.31096 mi from American Canyon, CA
6/28/2021 - 3.9 mag, 10.6mi depth 2.70219 mi from San Lorenzo, CA
10/20/2011 - 3.9 mag, 8.2mi depth 2.6196 mi from Berkeley, CA
12/4/1998 - 3.9 mag, 6.9mi depth 0.709 mi from Kensington, CA
10/21/2011 - 3.8 mag, 8.0mi depth 2.3283 mi from Berkeley, CA
1/14/2021 - 3.8 mag, 6.7mi depth 1.89933 mi from Concord, CA
12/20/1992 - 3.7 mag, 3.0mi depth 2.9694 mi from San Leandro, CA
1/16/2019 - 3.7 mag, 11.7mi depth 2.07791 mi from Piedmont, CA
7/10/1979 - 3.7 mag, 17.0mi depth 1.8371 mi from Diablo, CA
4/6/1990 - 3.7 mag, 5.0mi depth 1.5633 mi from Alamo, CA
9/5/1977 - 3.7 mag, 8.0mi depth 5.6827 mi from Green Valley, CA
11/10/2018 - 3.7 mag, 10.1mi depth 0.928251 mi from Crockett, CA
7/15/2000 - 3.7 mag, 15.3mi depth 1.7764 mi from Concord, CA
3/21/2006 - 3.7 mag, 12.9mi depth 3.7336 mi from Moraga, CA
10/5/2019 - 3.6 mag, 7.6mi depth 3.88952 mi from Colma, CA
12/24/2002 - 3.6 mag, 9.4mi depth 0.2037 mi from Pacifica, CA
2/23/2018 - 3.6 mag, 0.5mi depth 1.32212 mi from Diablo, CA
12/21/2006 - 3.6 mag, 8.8mi depth 2.515 mi from Piedmont, CA
12/1/1995 - 3.6 mag, 9.9mi depth 0.9352 mi from El Cerrito, CA
5/14/2018 - 3.6 mag, 9.0mi depth 3.13147 mi from Oakland, CA
12/31/2020 - 3.6 mag, 14.4mi depth 4.32642 mi from Muir Beach, CA
12/17/2022 - 3.6 mag, 5.8mi depth 0.289815 mi from El Cerrito, CA
11/4/1989 - 3.6 mag, 9.0mi depth 3.7813 mi from Canyon, CA
12/23/2006 - 3.6 mag, 10.0mi depth 2.6828 mi from Piedmont, CA

View All

Earthquake Probability for Alto, CA

View the probability of a major earthquake within the next 50 years in Alto, 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

97.07%

5.1

95.91%

5.2

95.91%

5.2

94.60%

5.3

93.20%

5.4

91.76%

5.5

90.33%

5.6

88.96%

5.7

87.67%

5.8

86.48%

5.9

85.41%

6.0

84.45%

6.1

83.50%

6.2

82.48%

6.3

81.37%

6.4

79.39%

6.5

75.74%

6.6

70.45%

6.7

64.52%

6.8

57.70%

6.9

50.12%

7.0

42.88%

7.1

37.04%

7.2

32.91%

7.3

29.31%

7.4

25.73%

7.5

21.23%

7.6

17.69%

7.7

14.28%

7.8

10.78%

7.9

7.07%

8.0

3.86%

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 Alto, CA

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

List of Earthquake Incidents for Alto, CA

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

04/28/2024

1.0

8.6

2.52

Earthquake Information for Alto, California

Earthquake Probability for Alto, CA

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

Earthquake Count for Alto, CA

List of Earthquake Incidents for Alto, CA

Risk Of Natural Disasters In Alto, CA

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