Every recorded earthquake near

Earthquakes near Portola Valley, CA

M 2.5

Latest: 10:39 am PDT on 14 March 2026 · 5 km (3 mi) WSW of Portola Valley, CA

The most recent earthquake of M2.5 or more near Portola Valley was M 2.5, 5 km (3 mi) WSW of Portola Valley, CA, at 10:39 am PDT on 14 March 2026. 26 people reported feeling it to USGS. 14 smaller earthquakes have been recorded nearby since; the newest is first in the list below.

Within 30 km since 2016: 389 earthquakes of M1.5 or more
In the last 12 months: 32
Largest since 2016: M 3.7 on 27 October 2023, 29 km (18 mi) NNW of Portola Valley, CA
Reported felt: 128 of them have felt reports to USGS

USGS · feed checked 1 seconds ago · newest earthquake in our database 19 minutes ago · this page 01:36 UTC

The latest 50

1.3 11 km (7 mi) SSE of Portola Valley, CA Sep 28, 2026
5:57 am PDT
1.7 5 km (3 mi) N of Portola Valley, CA Sep 13, 2026
5:52 pm PDT
1.8 5 km (3 mi) N of Portola Valley, CA · felt by 5 Sep 13, 2026
5:45 pm PDT
2.5 5 km (3 mi) N of Portola Valley, CA · felt by 179 Sep 13, 2026
5:44 pm PDT
1.5 3 km (2 mi) NNE of Portola Valley, CA Aug 18, 2026
11:18 am PDT
1.8 3 km (2 mi) NNE of Portola Valley, CA Aug 18, 2026
10:05 am PDT
1.7 6 km (4 mi) SSE of Portola Valley, CA Aug 18, 2026
7:04 am PDT
1.9 3 km (2 mi) NNE of Portola Valley, CA · felt by 1 Aug 18, 2026
2:30 am PDT
1.6 2 km (1 mi) W of Portola Valley, CA Jul 23, 2026
9:47 pm PDT
1.6 29 km (18 mi) NNW of Portola Valley, CA Jul 4, 2026
5:24 pm PDT
1.9 7 km (4 mi) SSE of Portola Valley, CA Jun 14, 2026
2:35 pm PDT
2.4 26 km (16 mi) SSW of Portola Valley, CA · felt by 3 May 31, 2026
1:09 am PDT
1.6 18 km (11 mi) SSE of Portola Valley, CA May 3, 2026
5:24 pm PDT
1.9 22 km (14 mi) SSE of Portola Valley, CA · felt by 36 Apr 1, 2026
10:22 pm PDT
1.8 29 km (18 mi) NW of Portola Valley, CA Mar 21, 2026
12:06 am PDT
2.5 5 km (3 mi) WSW of Portola Valley, CA · felt by 26 Mar 14, 2026
10:39 am PDT
1.9 5 km (3 mi) WSW of Portola Valley, CA · felt by 2 Mar 13, 2026
3:44 pm PDT
2.4 5 km (3 mi) WSW of Portola Valley, CA · felt by 7 Mar 13, 2026
12:25 pm PDT
2.1 28 km (18 mi) NNW of Portola Valley, CA · felt by 3 Mar 13, 2026
2:30 am PDT
1.8 25 km (15 mi) SSW of Portola Valley, CA Feb 17, 2026
11:20 am PST
1.7 4 km (3 mi) SE of Portola Valley, CA Dec 26, 2025
1:54 pm PST
1.5 29 km (18 mi) NNW of Portola Valley, CA Dec 5, 2025
2:03 am PST
2.0 26 km (16 mi) NNW of Portola Valley, CA Nov 23, 2025
3:38 pm PST
2.4 5 km (3 mi) N of Portola Valley, CA · felt by 23 Oct 23, 2025
5:11 pm PDT
1.6 5 km (3 mi) NNW of Portola Valley, CA Oct 23, 2025
5:02 pm PDT
2.6 5 km (3 mi) N of Portola Valley, CA · felt by 262 Oct 23, 2025
4:45 pm PDT
2.2 5 km (3 mi) N of Portola Valley, CA · felt by 6 Oct 23, 2025
4:37 pm PDT
2.0 5 km (3 mi) N of Portola Valley, CA Oct 23, 2025
4:36 pm PDT
2.5 5 km (3 mi) N of Portola Valley, CA · felt by 72 Oct 23, 2025
4:27 pm PDT
2.2 5 km (3 mi) N of Portola Valley, CA · felt by 7 Oct 23, 2025
3:34 pm PDT
2.0 5 km (3 mi) N of Portola Valley, CA Oct 23, 2025
3:32 pm PDT
1.5 17 km (11 mi) SSE of Portola Valley, CA Oct 19, 2025
9:34 pm PDT
2.1 6 km (4 mi) SSE of Portola Valley, CA · felt by 1 Oct 3, 2025
11:56 am PDT
1.7 23 km (14 mi) NW of Portola Valley, CA Oct 1, 2025
5:00 pm PDT
1.6 13 km (8 mi) NNW of Portola Valley, CA Sep 30, 2025
4:57 am PDT
1.6 22 km (14 mi) NW of Portola Valley, CA Sep 11, 2025
5:01 pm PDT
1.8 12 km (7 mi) SE of Portola Valley, CA Aug 28, 2025
3:47 pm PDT
2.5 12 km (7 mi) SE of Portola Valley, CA · felt by 18 Aug 24, 2025
5:21 pm PDT
2.5 7 km (4 mi) NNW of Portola Valley, CA · felt by 217 Aug 19, 2025
4:06 pm PDT
1.6 11 km (7 mi) SE of Portola Valley, CA Jul 15, 2025
3:18 pm PDT
2.6 11 km (7 mi) SE of Portola Valley, CA · felt by 72 Jul 8, 2025
3:56 pm PDT
3.0 11 km (7 mi) SE of Portola Valley, CA · felt by 562 Jul 8, 2025
2:16 pm PDT
2.5 11 km (7 mi) SE of Portola Valley, CA · felt by 40 Jul 6, 2025
4:58 am PDT
2.2 14 km (9 mi) NW of Portola Valley, CA Jul 4, 2025
4:12 pm PDT
1.7 14 km (9 mi) SW of Portola Valley, CA Jul 1, 2025
8:31 am PDT
1.6 20 km (12 mi) SSE of Portola Valley, CA Jun 16, 2025
3:59 am PDT
1.8 6 km (4 mi) SE of Portola Valley, CA Jun 10, 2025
11:09 am PDT
1.7 9 km (5 mi) SE of Portola Valley, CA Jun 9, 2025
6:24 pm PDT
1.7 30 km (19 mi) NW of Portola Valley, CA Apr 14, 2025
11:33 am PDT
1.7 17 km (11 mi) SSE of Portola Valley, CA Mar 18, 2025
7:47 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 Portola Valley time. Distances are from the town centre. Quakes USGS named after Portola Valley are listed even when they are further out.

On the map

Map loads when it scrolls into view

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

Before 2016

The USGS record since 1900 lists 17 earthquakes of M5 or more within 50 km of Portola Valley; the five largest:

7.9 The 1906 San Francisco, California Earthquake · 49 km NW of Portola Valley 1906
6.9 The 1989 Loma Prieta, California Earthquake · 50 km SE of Portola Valley 1989
6.2 Near San Jose, California · 40 km ESE of Portola Valley 1903
6.2 The 1984 Morgan Hill, California Earthquake · 50 km E of Portola Valley 1984
6.1 Near San Jose, California · 44 km ESE of Portola Valley 1903

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

Nearest mapped faults

San Andreas fault, under 1 km from its surface trace
Monte Vista-Shannon fault, 4 km from its surface trace
Butano fault, 13 km from its surface trace

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

Nearby towns

Woodside 5 km · Los Altos Hills 9 km · Loyola 12 km · Sunnyvale 18 km · Cupertino 19 km · Half Moon Bay 19 km · Saratoga 23 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.