Earthquakes by city Costa Rica 100 km
Seismic city profile

Alajuela

Alajuela, Costa Rica: 470 earthquakes of magnitude 4.0+ detected within 100 km.

Population
47,494
Residents in the indexed city record.
Earthquakes
470
Earthquakes at M4.0+ nearby.
Max magnitude
7.6
Strongest recorded event in the current radius.
Timezone
America/Costa_Rica
Coordinates 10.016, -84.212
Nearby activity pulse
Last 30 days
0
Last 12 months
7
Last nearby event: 2026-01-19 23:06 UTC
Strongest nearby event
M 7.6
CR
1939-12-21 20:54 UTC

Map

Earthquakes within 100 km of Alajuela

The map centers on Alajuela and highlights the most recent earthquakes detected within 100 km.

Average magnitude
4.7
Average depth
37.9 km

Timeline

Recent seismic activity

Latest 7 events shown
UTC Magnitude Region Depth
2026-01-19 23:06 M 4.0
San José
Costa Rica
10.0 km
2025-11-21 19:47 M 4.5
San José
Costa Rica
45.0 km
2025-10-22 03:57 M 5.9 San José
Costa Rica
20.0 km
2025-10-04 21:08 M 4.7
Alajuela
Costa Rica
10.0 km
2025-08-01 19:33 M 4.8
Alajuela
Costa Rica
117.2 km
2025-07-18 10:34 M 4.0
San José
Costa Rica
10.0 km
2025-07-06 19:59 M 4.7
San José
Costa Rica
43.8 km

Monthly profile

Recent monthly trend

2025-07 2 events
2025-08 1 events
2025-10 2 events
2025-11 1 events
2026-01 1 events

Historic snapshot

Earthquakes history

1
1907
1
1910
1
1916
1
1918
5
1924
2
1936
4
1939
3
1940
1
1943
1
1948
1
1950
1
1951
2
1952
1
1955
1
1956
1
1959
2
1966
1
1968
2
1971
7
1973
5
1974
1
1975
6
1976
4
1977
3
1978
1
1979
1
1980
4
1981
2
1982
13
1983
4
1984
5
1985
3
1986
11
1987
9
1988
6
1989
19
1990
15
1991
9
1992
7
1993
3
1994
8
1995
7
1996
2
1997
5
1998
7
1999
15
2000
13
2001
6
2002
12
2003
10
2004
18
2005
5
2006
12
2007
4
2008
11
2009
10
2010
10
2011
14
2012
9
2013
18
2014
13
2015
13
2016
10
2017
14
2018
8
2019
6
2020
5
2021
9
2022
13
2023
6
2024
6
2025
1
2026
Year Max magnitude Earthquakes
2026 M 4.0 1
2025 M 5.9 6
2024 M 4.4 6
2023 M 5.5 13
2022 M 4.6 9
2021 M 5.0 5
2020 M 6.0 6
2019 M 4.9 8
2018 M 4.8 14
2017 M 6.5 10
2016 M 5.3 13
2015 M 4.8 13
2014 M 5.2 18
2013 M 4.8 9
2012 M 5.9 14
2011 M 5.9 10
2010 M 6.0 10
2009 M 6.1 11
2008 M 5.0 4
2007 M 4.9 12
2006 M 4.6 5
2005 M 5.3 18
2004 M 6.4 10
2003 M 4.8 12
2002 M 4.8 6
2001 M 5.4 13
2000 M 4.7 15
1999 M 5.6 7
1998 M 5.3 5
1997 M 4.7 2
1996 M 6.2 7
1995 M 5.1 8
1994 M 5.1 3
1993 M 5.8 7
1992 M 6.6 9
1991 M 6.2 15
1990 M 7.3 19
1989 M 5.4 6
1988 M 5.5 9
1987 M 4.9 11
1986 M 4.3 3
1985 M 5.5 5
1984 M 5.0 4
1983 M 6.5 13
1982 M 5.5 2
1981 M 5.1 4
1980 M 4.5 1
1979 M 4.8 1
1978 M 5.0 3
1977 M 4.9 4
1976 M 5.5 6
1975 M 4.4 1
1974 M 6.2 5
1973 M 6.5 7
1971 M 5.7 2
1968 M 5.4 1
1966 M 5.8 2
1959 M 5.7 1
1956 M 5.8 1
1955 M 5.8 1
1952 M 5.7 2
1951 M 5.7 1
1950 M 5.7 1
1948 M 6.3 1
1943 M 5.9 1
1940 M 6.7 3
1939 M 7.6 4
1936 M 6.1 2
1924 M 6.7 5
1918 M 5.9 1
1916 M 7.1 1
1910 M 6.1 1
1907 M 5.8 1