QuakeIndex

Every recorded earthquake within 30 km

Earthquakes near Rio Del Mar, CA

No earthquake was likely felt in Rio Del Mar in the 24 hours to 4:16 pm PST (00:16 UTC). The last one was M 3.9, 77 km (48 mi) SE, at 3:19 am PDT on 11 August 2026, estimated intensity II (weak) in town; 34 felt reports to USGS.

M 2.5

Latest: 6:10 am PDT on 26 October 2026 · 29 km (18 mi) ESE of Rio Del Mar, CA

The most recent earthquake of M2.5 or more near Rio Del Mar was M 2.5, 29 km (18 mi) ESE of Rio Del Mar, CA, at 6:10 am PDT on 26 October 2026, 5 km deep. 6 people reported feeling it to USGS. The estimated shaking in Rio Del Mar was intensity II (weak), felt by some people at rest indoors. 1 smaller earthquake has been recorded near Rio Del Mar since; the newest is first in the list below.

No earthquake of M1.5 or more was recorded within 30 km (19 mi) of Rio Del Mar in the last 24 hours.

Last 24 hours
0
Last 7 days
0
Last 30 days
3 · an average 30 days here since 2016: 4.8
Last 12 months
57 · largest M 4.6 on 2 April 2026
Since 2016
629 earthquakes of M1.5 or more within 30 km
Largest since 2016
M 4.6 on 2 April 2026, 25 km (16 mi) NW of Rio Del Mar, CA
Reported felt
231 of them have felt reports to USGS
Nearest mapped fault
East Monterey Bay fault, 3 km from its surface trace

USGS · feed checked · newest earthquake in our database · this page · counts are earthquakes of M1.5 or more within 30 km (19 mi) of the town centre; shaking is estimated for the town centre with the intensity equation USGS Did You Feel It? uses

If you felt one

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

The last 30 days

Oct 14 Oct 29 Nov 12
Each mark is a day's largest quake within range; its size is the magnitude. The shaded band is the magnitude a day's largest quake normally falls in here (M1.6–M2.3), from this place's own 10-year record. A mark above the band is a bigger day than usual.

The latest 50

  1. 1.8 17 km (11 mi) N of Rio Del Mar, CA
  2. 2.5 29 km (18 mi) ESE of Rio Del Mar, CA · felt by 6
  3. 2.4 26 km (16 mi) ESE of Rio Del Mar, CA
  4. 2.3 20 km (12 mi) NNW of Rio Del Mar, CA · felt by 3
  5. 1.8 14 km (8 mi) S of Rio Del Mar, CA
  6. 1.7 19 km (12 mi) ESE of Rio Del Mar, CA
  7. 1.5 23 km (14 mi) ESE of Rio Del Mar, CA
  8. 2.6 26 km (16 mi) ESE of Rio Del Mar, CA
  9. 1.8 26 km (16 mi) ESE of Rio Del Mar, CA
  10. 1.5 25 km (16 mi) ESE of Rio Del Mar, CA
  11. 2.2 25 km (15 mi) E of Rio Del Mar, CA · felt by 1
  12. 1.6 25 km (15 mi) E of Rio Del Mar, CA
  13. 1.6 24 km (15 mi) E of Rio Del Mar, CA
  14. 1.8 23 km (14 mi) E of Rio Del Mar, CA
  15. 1.7 26 km (16 mi) ESE of Rio Del Mar, CA
  16. 1.7 19 km (12 mi) ESE of Rio Del Mar, CA
  17. 1.6 26 km (16 mi) ESE of Rio Del Mar, CA
  18. 1.6 26 km (16 mi) ESE of Rio Del Mar, CA
  19. 1.8 30 km (18 mi) ESE of Rio Del Mar, CA
  20. 1.9 27 km (17 mi) ESE of Rio Del Mar, CA
  21. 1.6 23 km (14 mi) E of Rio Del Mar, CA
  22. 2.0 26 km (16 mi) ESE of Rio Del Mar, CA
  23. 3.0 19 km (12 mi) ESE of Rio Del Mar, CA · felt by 84
  24. 3.0 27 km (17 mi) ESE of Rio Del Mar, CA · felt by 75
  25. 1.5 23 km (14 mi) E of Rio Del Mar, CA
  26. 1.6 20 km (12 mi) ESE of Rio Del Mar, CA
  27. 1.7 26 km (16 mi) ESE of Rio Del Mar, CA
  28. 1.6 26 km (16 mi) ESE of Rio Del Mar, CA
  29. 2.0 18 km (11 mi) N of Rio Del Mar, CA · felt by 1
  30. 2.3 30 km (19 mi) ESE of Rio Del Mar, CA · felt by 1
  31. 1.7 26 km (16 mi) ESE of Rio Del Mar, CA
  32. 1.6 26 km (16 mi) ESE of Rio Del Mar, CA
  33. 1.8 27 km (17 mi) ESE of Rio Del Mar, CA
  34. 1.8 25 km (16 mi) E of Rio Del Mar, CA
  35. 1.7 26 km (16 mi) NW of Rio Del Mar, CA
  36. 1.6 24 km (15 mi) NW of Rio Del Mar, CA
  37. 2.6 26 km (16 mi) E of Rio Del Mar, CA · felt by 47
  38. 1.6 26 km (16 mi) NW of Rio Del Mar, CA
  39. 4.6 25 km (16 mi) NW of Rio Del Mar, CA · felt by 33,078
  40. 2.0 27 km (16 mi) ESE of Rio Del Mar, CA · felt by 5
  41. 1.8 27 km (17 mi) ESE of Rio Del Mar, CA
  42. 1.6 23 km (14 mi) E of Rio Del Mar, CA
  43. 2.5 6 km (3 mi) ESE of Rio Del Mar, CA · felt by 122
  44. 2.1 27 km (17 mi) ESE of Rio Del Mar, CA
  45. 2.5 27 km (17 mi) ESE of Rio Del Mar, CA · felt by 2
  46. 2.5 27 km (17 mi) ESE of Rio Del Mar, CA
  47. 2.3 28 km (17 mi) W of Rio Del Mar, CA · felt by 1
  48. 2.4 28 km (17 mi) ESE of Rio Del Mar, CA
  49. 2.7 27 km (17 mi) ESE of Rio Del Mar, CA
  50. 1.8 28 km (17 mi) E of Rio Del Mar, 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 Rio Del Mar time. Distances are from the town centre. Quakes USGS named after Rio Del Mar are listed even when they are further out.

Show these earthquakes on your own site: a free card with the latest quakes near Rio Del Mar, for a local news site, school or neighborhood page.

On the map

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

Estimated shaking in Rio Del Mar

The strongest shaking in Rio Del Mar from a quake since 2016 is estimated at intensity III (weak), from the M 4.6 on 2 April 2026, 25 km away. Intensity II and III are felt by some people at rest indoors; IV by most people indoors; V and above wakes sleepers and moves objects.

MagnitudeWhenDistanceShaking in Rio Del Mar (est.)
M 4.6 25 kmIII · Weak · felt by 33,078
M 4.2 23 kmIII · Weak · felt by 4,076
M 4.2 28 kmIII · Weak · felt by 13,081
M 3.6 13 kmIII · Weak · felt by 742
M 4.0 27 kmIII · Weak · felt by 511

An estimate for the town centre from magnitude, depth and distance, with the intensity equation USGS Did You Feel It? uses (Atkinson & Wald, 2007), on the Modified Mercalli scale. All 5 reach intensity II or more in town, where people at rest start to notice. Ground conditions change it street by street. It describes the past, not a hazard.

Before 2016

The USGS record since 1900 lists 31 earthquakes of M5 or more within 50 km of Rio Del Mar; the five largest:

  1. 6.9 The 1989 Loma Prieta, California Earthquake · 8 km NNE of Rio Del Mar
  2. 6.5 Near Morgan Hill, California · 28 km NE of Rio Del Mar
  3. 6.3 22 km S of Davenport, California · 32 km WSW of Rio Del Mar
  4. 6.3 16 km SW of Davenport, California · 39 km W of Rio Del Mar
  5. 6.2 Near San Jose, California · 38 km NNE of Rio Del Mar

USGS ComCat, M5+ from 1900 to 2015. 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

Capitola 5 km · Live Oak 7 km · Santa Cruz 12 km · Scotts Valley 14 km · Watsonville 14 km

Be ready

Earthquakes cannot be predicted, here or anywhere, so the useful step is the one taken beforehand. The advice below is from the agencies responsible for it.

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