QuakeIndex

Every recorded earthquake near

Earthquakes near Grass Valley, CA

M 2.0

Latest: 11:19 pm PDT on 31 August 2026 · 29 km (18 mi) NNW of Grass Valley, CA

The most recent earthquake near Grass Valley was M 2.0, 29 km (18 mi) NNW of Grass Valley, CA, at 11:19 pm PDT on 31 August 2026.

Within 30 km since 2016
15 earthquakes of M1.5 or more
In the last 12 months
2
Largest since 2016
M 2.4 on 9 November 2020, 27 km (17 mi) NW of Grass Valley, CA
Reported felt
2 of them have felt reports to USGS

USGS · feed checked · newest earthquake in our database · this page

The latest 16

  1. 2.0 29 km (18 mi) NNW of Grass Valley, CA
  2. 2.1 27 km (17 mi) NNW of Grass Valley, CA
  3. 1.9 14 km (8 mi) WNW of Grass Valley, CA · felt by 3
  4. 2.4 27 km (17 mi) NW of Grass Valley, CA · felt by 290
  5. 2.0 26 km (16 mi) NNW of Grass Valley, CA
  6. 2.2 26 km (16 mi) NNW of Grass Valley, CA
  7. 2.1 27 km (17 mi) WNW of Grass Valley, CA
  8. 1.8 24 km (15 mi) NW of Grass Valley, CA
  9. 2.3 20 km (12 mi) WSW of Grass Valley, CA
  10. 2.1 27 km (16 mi) WNW of Grass Valley, CA
  11. 1.6 24 km (15 mi) WNW of Grass Valley, CA
  12. 1.9 26 km (16 mi) WNW of Grass Valley, CA
  13. 2.3 50 km (31 mi) NE of Grass Valley, CA
  14. 2.0 21 km (13 mi) W of Grass Valley, CA
  15. 1.8 25 km (16 mi) NW of Grass Valley, CA
  16. 1.5 8 km (5 mi) E of Grass Valley, CA

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 Grass Valley time. Distances are from the town centre. Quakes USGS named after Grass Valley are listed even when they are further out.

On the map

The white circle is Grass Valley; dots are the 15 most recent earthquakes within 30 km. Map © OpenStreetMap contributors.

Before 2016

The USGS record since 1900 lists 5 earthquakes of M5 or more within 50 km of Grass Valley:

  1. 5.9 West of Downieville, California · 32 km N of Grass Valley
  2. 5.7 The 1975 Oroville, California Earthquake · 48 km WNW of Grass Valley
  3. 5.2 4 km E of Palermo, California · 44 km NW of Grass Valley
  4. 5.1 5 km ENE of Palermo, California · 44 km NW of Grass Valley
  5. 5.0 Nevada County, California · 24 km NE of Grass Valley

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

Nearest mapped faults

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

If you felt one

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