QuakeIndex

Every recorded earthquake near

Earthquakes near San Antonio Heights, CA

M 3.2

Latest: 5:37 am PDT on 2 September 2026 · 17 km (10 mi) SSE of San Antonio Heights, CA

The most recent earthquake of M2.5 or more near San Antonio Heights was M 3.2, 17 km (10 mi) SSE of San Antonio Heights, CA, at 5:37 am PDT on 2 September 2026. 730 people reported feeling it to USGS. 2 smaller earthquakes have been recorded nearby since; the newest is first in the list below.

Within 30 km since 2016
1,087 earthquakes of M1.5 or more
In the last 12 months
67
Largest since 2016
M 4.4 on 28 August 2018, 11 km (7 mi) W of San Antonio Heights, CA
Reported felt
506 of them have felt reports to USGS

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

The latest 50

  1. 2.1 21 km (13 mi) ENE of San Antonio Heights, CA
  2. 1.5 16 km (10 mi) SSE of San Antonio Heights, CA
  3. 3.2 17 km (10 mi) SSE of San Antonio Heights, CA · felt by 730
  4. 1.6 25 km (15 mi) E of San Antonio Heights, CA
  5. 1.7 15 km (10 mi) E of San Antonio Heights, CA
  6. 1.7 22 km (14 mi) N of San Antonio Heights, CA
  7. 1.7 12 km (8 mi) WSW of San Antonio Heights, CA
  8. 1.6 17 km (11 mi) SSE of San Antonio Heights, CA
  9. 2.8 17 km (11 mi) SSE of San Antonio Heights, CA · felt by 128
  10. 1.6 24 km (15 mi) N of San Antonio Heights, CA
  11. 1.5 24 km (15 mi) N of San Antonio Heights, CA
  12. 1.6 24 km (15 mi) N of San Antonio Heights, CA
  13. 1.6 23 km (15 mi) E of San Antonio Heights, CA
  14. 1.7 20 km (12 mi) ENE of San Antonio Heights, CA
  15. 1.5 16 km (10 mi) SSE of San Antonio Heights, CA
  16. 1.6 20 km (12 mi) E of San Antonio Heights, CA
  17. 2.1 22 km (13 mi) ENE of San Antonio Heights, CA
  18. 1.6 21 km (13 mi) E of San Antonio Heights, CA
  19. 1.9 16 km (10 mi) NE of San Antonio Heights, CA
  20. 1.6 29 km (18 mi) E of San Antonio Heights, CA
  21. 2.0 12 km (7 mi) W of San Antonio Heights, CA
  22. 3.3 30 km (18 mi) E of San Antonio Heights, CA · felt by 592
  23. 2.0 19 km (12 mi) ENE of San Antonio Heights, CA · felt by 1
  24. 2.4 19 km (12 mi) ENE of San Antonio Heights, CA · felt by 4
  25. 2.5 16 km (10 mi) SSE of San Antonio Heights, CA · felt by 151
  26. 2.7 23 km (14 mi) E of San Antonio Heights, CA · felt by 184
  27. 1.6 17 km (10 mi) SE of San Antonio Heights, CA
  28. 1.6 23 km (14 mi) SSW of San Antonio Heights, CA
  29. 1.9 18 km (11 mi) NNE of San Antonio Heights, CA
  30. 1.6 6 km (4 mi) W of San Antonio Heights, CA · felt by 1
  31. 1.5 29 km (18 mi) SW of San Antonio Heights, CA
  32. 1.9 17 km (11 mi) E of San Antonio Heights, CA · felt by 2
  33. 1.8 29 km (18 mi) WSW of San Antonio Heights, CA
  34. 1.7 16 km (10 mi) SW of San Antonio Heights, CA
  35. 1.9 20 km (13 mi) ENE of San Antonio Heights, CA
  36. 1.8 20 km (12 mi) E of San Antonio Heights, CA · felt by 1
  37. 2.3 16 km (10 mi) SSE of San Antonio Heights, CA · felt by 38
  38. 1.7 17 km (11 mi) E of San Antonio Heights, CA
  39. 2.4 26 km (16 mi) E of San Antonio Heights, CA · felt by 3
  40. 2.4 17 km (11 mi) ESE of San Antonio Heights, CA · felt by 7
  41. 1.6 21 km (13 mi) E of San Antonio Heights, CA
  42. 2.9 21 km (13 mi) E of San Antonio Heights, CA · felt by 156
  43. 2.5 20 km (12 mi) ENE of San Antonio Heights, CA · felt by 4
  44. 1.5 30 km (18 mi) SSW of San Antonio Heights, CA
  45. 1.8 19 km (11 mi) SE of San Antonio Heights, CA · felt by 1
  46. 1.8 19 km (12 mi) SE of San Antonio Heights, CA · felt by 1
  47. 1.6 9 km (6 mi) NNE of San Antonio Heights, CA
  48. 1.8 29 km (18 mi) WSW of San Antonio Heights, CA
  49. 1.9 17 km (11 mi) ESE of San Antonio Heights, CA · felt by 8
  50. 1.6 17 km (10 mi) E of San Antonio Heights, CA · felt by 1

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 San Antonio Heights time. Distances are from the town centre. Quakes USGS named after San Antonio Heights are listed even when they are further out.

On the map

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

Before 2016

The USGS record since 1900 lists 9 earthquakes of M5 or more within 50 km of San Antonio Heights; the five largest:

  1. 6.2 3 km SE of San Bernardino, California · 37 km ESE of San Antonio Heights
  2. 5.9 The 1987 Whittier Narrows, California Earthquake · 40 km WSW of San Antonio Heights
  3. 5.8 The 1991 Sierra Madre, California Earthquake · 33 km WNW of San Antonio Heights
  4. 5.5 The 1990 Upland, California Earthquake · 4 km WSW of San Antonio Heights
  5. 5.4 5km S of Chino Hills, CA · 25 km SSW of San Antonio Heights

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.

Nearby towns

Rancho Cucamonga 8 km · Ontario 10 km · La Verne 12 km · Charter Oak 18 km · Chino Hills 20 km · Fontana 22 km · Glen Avon 22 km · Wrightwood 23 km

If you felt one

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