Every recorded earthquake near

Earthquakes near Altadena, CA

M 2.7

Latest: 12:22 pm PDT on 24 June 2025 · 28 km (18 mi) W of Altadena, CA

The most recent earthquake of M2.5 or more near Altadena was M 2.7, 28 km (18 mi) W of Altadena, CA, at 12:22 pm PDT on 24 June 2025. 751 people reported feeling it to USGS. 31 smaller earthquakes have been recorded nearby since; the newest is first in the list below.

Within 30 km since 2016: 325 earthquakes of M1.5 or more
In the last 12 months: 24
Largest since 2016: M 4.5 on 18 September 2020, 18 km (11 mi) SSE of Altadena, CA
Reported felt: 144 of them have felt reports to USGS

USGS · feed checked 26 seconds ago · newest earthquake in our database 4 minutes ago · this page 02:51 UTC

The latest 50

1.7 25 km (16 mi) SW of Altadena, CA Sep 10, 2026
3:20 pm PDT
1.9 25 km (16 mi) SSW of Altadena, CA Sep 5, 2026
9:15 am PDT
1.8 22 km (14 mi) W of Altadena, CA Aug 27, 2026
11:39 am PDT
1.6 13 km (8 mi) SW of Altadena, CA Aug 18, 2026
3:34 am PDT
1.6 28 km (17 mi) S of Altadena, CA Aug 8, 2026
8:47 pm PDT
1.6 29 km (18 mi) WSW of Altadena, CA Jul 31, 2026
4:57 pm PDT
2.2 29 km (18 mi) SW of Altadena, CA · felt by 8 Jul 31, 2026
4:37 pm PDT
1.6 22 km (14 mi) WSW of Altadena, CA Jul 8, 2026
5:52 am PDT
1.5 26 km (16 mi) SW of Altadena, CA Jun 28, 2026
6:42 am PDT
1.8 26 km (16 mi) SE of Altadena, CA Jun 17, 2026
11:57 am PDT
1.7 22 km (14 mi) W of Altadena, CA May 15, 2026
5:58 pm PDT
1.5 28 km (17 mi) WNW of Altadena, CA Mar 31, 2026
4:33 am PDT
2.4 26 km (16 mi) WNW of Altadena, CA · felt by 26 Mar 25, 2026
3:13 am PDT
1.7 3 km (2 mi) NNW of Altadena, CA Mar 16, 2026
4:42 pm PDT
1.8 21 km (13 mi) SE of Altadena, CA Feb 23, 2026
12:20 am PST
1.8 18 km (11 mi) ESE of Altadena, CA Jan 7, 2026
11:12 am PST
1.5 26 km (16 mi) SW of Altadena, CA Dec 30, 2025
9:57 am PST
1.8 21 km (13 mi) W of Altadena, CA Dec 27, 2025
4:30 am PST
1.6 21 km (13 mi) W of Altadena, CA Dec 27, 2025
4:23 am PST
1.6 22 km (14 mi) W of Altadena, CA Dec 27, 2025
12:53 am PST
1.7 21 km (13 mi) W of Altadena, CA Dec 22, 2025
6:34 am PST
1.8 29 km (18 mi) E of Altadena, CA Nov 4, 2025
7:47 pm PST
1.7 20 km (12 mi) SW of Altadena, CA Oct 16, 2025
4:18 am PDT
2.1 20 km (12 mi) SW of Altadena, CA · felt by 25 Oct 12, 2025
1:24 am PDT
2.3 29 km (18 mi) SW of Altadena, CA · felt by 36 Sep 8, 2025
7:00 am PDT
1.9 29 km (18 mi) SW of Altadena, CA · felt by 2 Sep 4, 2025
12:14 pm PDT
1.5 23 km (14 mi) SSW of Altadena, CA Jul 27, 2025
7:34 pm PDT
2.2 26 km (16 mi) SSW of Altadena, CA · felt by 11 Jul 6, 2025
9:31 pm PDT
1.9 21 km (13 mi) W of Altadena, CA Jul 4, 2025
4:58 pm PDT
1.5 27 km (17 mi) SW of Altadena, CA Jul 3, 2025
3:41 am PDT
1.6 13 km (8 mi) E of Altadena, CA Jun 30, 2025
2:07 pm PDT
2.7 28 km (18 mi) W of Altadena, CA · felt by 751 Jun 24, 2025
12:22 pm PDT
1.8 17 km (11 mi) ESE of Altadena, CA Jun 16, 2025
12:59 am PDT
2.5 26 km (16 mi) SSW of Altadena, CA · felt by 36 Jun 9, 2025
8:33 am PDT
1.7 7 km (4 mi) ESE of Altadena, CA Jun 7, 2025
8:07 am PDT
1.6 7 km (4 mi) E of Altadena, CA Jun 3, 2025
6:52 pm PDT
1.7 29 km (18 mi) WNW of Altadena, CA Jun 2, 2025
8:46 am PDT
2.0 25 km (15 mi) WNW of Altadena, CA May 18, 2025
10:41 pm PDT
1.7 17 km (11 mi) ESE of Altadena, CA May 18, 2025
5:06 pm PDT
1.8 30 km (18 mi) SW of Altadena, CA · felt by 4 May 18, 2025
6:30 am PDT
1.7 21 km (13 mi) W of Altadena, CA May 14, 2025
4:42 pm PDT
1.9 21 km (13 mi) W of Altadena, CA May 14, 2025
4:41 pm PDT
1.7 27 km (17 mi) SSW of Altadena, CA May 14, 2025
8:18 am PDT
1.7 28 km (17 mi) WNW of Altadena, CA · felt by 1 May 9, 2025
9:33 am PDT
1.7 21 km (13 mi) WSW of Altadena, CA · felt by 1 Apr 26, 2025
8:21 am PDT
1.8 29 km (18 mi) W of Altadena, CA · felt by 26 Apr 14, 2025
8:04 am PDT
1.8 28 km (18 mi) S of Altadena, CA · felt by 1 Apr 8, 2025
9:51 pm PDT
1.7 21 km (13 mi) W of Altadena, CA Mar 28, 2025
5:01 pm PDT
1.6 21 km (13 mi) W of Altadena, CA Mar 28, 2025
6:29 am PDT
1.6 29 km (18 mi) W of Altadena, CA · felt by 1 Mar 25, 2025
2:54 pm PDT

From the QuakeIndex database, which reads the USGS feed every 30 seconds and holds the USGS catalogue for the US from 2016 (M1.5+). Times are Altadena time. Distances are from the town centre. Quakes USGS named after Altadena are listed even when they are further out.

On the map

Map loads when it scrolls into view

The white circle is Altadena; dots are the 50 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.

Before 2016

The USGS record since 1900 lists 21 earthquakes of M5 or more within 50 km of Altadena; the five largest:

6.7 Northridge, California, earthquake · 37 km W of Altadena 1994
6.6 1971 San Fernando Earthquake, California · 33 km NW of Altadena 1971
5.9 The 1987 Whittier Narrows, California Earthquake · 15 km SSE of Altadena 1987
5.9 1km ENE of Granada Hills, California · 35 km WNW of Altadena 1994
5.8 10km SSW of Agua Dulce, CA · 33 km NW of Altadena 1971

USGS ComCat, M5+ from 1900 to 2016. This is the record, not a forecast.

Nearest mapped faults

Sierra Madre fault, 1 km from its surface trace
San Gabriel fault, 2 km from its surface trace
Raymond fault, 8 km from its surface trace

USGS Quaternary Fault and Fold Database. Near is not the same as on.

Nearby towns

Sierra Madre 8 km · South Pasadena 8 km · Alhambra 11 km · Monterey Park 14 km · South El Monte 17 km · Los Angeles 18 km

If you felt one

Was that an earthquake? — checks what was recorded near you in the last hour
Report what you felt to USGS — reports go to USGS, not to us
Earthquakes in California, with the state's activity score

QuakeIndex does not issue warnings or forecasts. For earthquake early warning see ShakeAlert and the MyShake app.