QuakeIndex

Every recorded earthquake within 30 km

Earthquakes near Emerald Lake Hills, CA

No earthquake was likely felt in Emerald Lake Hills in the 24 hours to 5:57 pm PST (01:57 UTC). The last one was M 1.9, 4 km (2 mi) SSE, at 4:14 pm PDT on 11 October 2026, estimated intensity II (weak) in town; 1 felt report to USGS.

M 2.7

Latest: 5:17 pm PDT on 28 October 2026 · 25 km (16 mi) NW of Emerald Lake Hills, CA

The most recent earthquake of M2.5 or more near Emerald Lake Hills was M 2.7, 25 km (16 mi) NW of Emerald Lake Hills, CA, at 5:17 pm PDT on 28 October 2026, 7 km deep. 526 people reported feeling it to USGS. The estimated shaking in Emerald Lake Hills was intensity II (weak), felt by some people at rest indoors. 1 smaller earthquake has been recorded near Emerald Lake Hills since; the newest is first in the list below.

No earthquake of M1.5 or more was recorded within 30 km (19 mi) of Emerald Lake Hills in the last 24 hours.

Last 24 hours
0
Last 7 days
1
Last 30 days
3 · an average 30 days here since 2016: 4.5
Last 12 months
90 · largest M 3.0 on 28 November 2025
Since 2016
595 earthquakes of M1.5 or more within 30 km
Largest since 2016
M 3.9 on 28 June 2021, 30 km (18 mi) NNE of Emerald Lake Hills, CA
Reported felt
223 of them have felt reports to USGS
Nearest mapped fault
San Andreas fault, 2 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–M2.0), from this place's own 10-year record. A mark above the band is a bigger day than usual.

The latest 50

  1. 2.0 24 km (15 mi) SE of Emerald Lake Hills, CA · felt by 4
  2. 2.7 25 km (16 mi) NW of Emerald Lake Hills, CA · felt by 526
  3. 1.6 15 km (9 mi) WNW of Emerald Lake Hills, CA
  4. 1.9 4 km (2 mi) SSE of Emerald Lake Hills, CA · felt by 1
  5. 1.8 28 km (17 mi) S of Emerald Lake Hills, CA
  6. 1.7 17 km (11 mi) SE of Emerald Lake Hills, CA
  7. 2.3 23 km (14 mi) NW of Emerald Lake Hills, CA · felt by 54
  8. 2.1 25 km (16 mi) NW of Emerald Lake Hills, CA · felt by 8
  9. 1.8 27 km (17 mi) NW of Emerald Lake Hills, CA
  10. 1.7 4 km (3 mi) SSE of Emerald Lake Hills, CA
  11. 1.8 4 km (3 mi) SSE of Emerald Lake Hills, CA · felt by 5
  12. 2.5 5 km (3 mi) SSE of Emerald Lake Hills, CA · felt by 179
  13. 1.6 27 km (17 mi) NE of Emerald Lake Hills, CA
  14. 1.6 24 km (15 mi) NW of Emerald Lake Hills, CA
  15. 2.0 23 km (14 mi) NW of Emerald Lake Hills, CA · felt by 7
  16. 1.7 24 km (15 mi) NW of Emerald Lake Hills, CA
  17. 2.1 24 km (15 mi) NW of Emerald Lake Hills, CA · felt by 11
  18. 1.6 24 km (15 mi) NW of Emerald Lake Hills, CA
  19. 2.3 29 km (18 mi) N of Emerald Lake Hills, CA · felt by 8
  20. 1.5 7 km (4 mi) SE of Emerald Lake Hills, CA
  21. 1.8 7 km (4 mi) SE of Emerald Lake Hills, CA
  22. 1.7 16 km (10 mi) SSE of Emerald Lake Hills, CA
  23. 1.9 7 km (5 mi) SE of Emerald Lake Hills, CA · felt by 1
  24. 1.6 27 km (17 mi) NE of Emerald Lake Hills, CA
  25. 1.6 9 km (5 mi) S of Emerald Lake Hills, CA
  26. 1.5 23 km (15 mi) NW of Emerald Lake Hills, CA
  27. 1.5 23 km (14 mi) NW of Emerald Lake Hills, CA
  28. 1.5 23 km (14 mi) NW of Emerald Lake Hills, CA
  29. 1.7 23 km (15 mi) NW of Emerald Lake Hills, CA
  30. 2.0 28 km (17 mi) NE of Emerald Lake Hills, CA · felt by 6
  31. 1.6 19 km (12 mi) NNW of Emerald Lake Hills, CA
  32. 2.4 28 km (17 mi) NE of Emerald Lake Hills, CA · felt by 42
  33. 1.6 23 km (15 mi) NW of Emerald Lake Hills, CA
  34. 2.3 24 km (15 mi) NW of Emerald Lake Hills, CA · felt by 19
  35. 1.9 23 km (15 mi) NW of Emerald Lake Hills, CA
  36. 1.9 16 km (10 mi) SSE of Emerald Lake Hills, CA
  37. 1.6 23 km (14 mi) NW of Emerald Lake Hills, CA
  38. 2.1 29 km (18 mi) ENE of Emerald Lake Hills, CA · felt by 1
  39. 1.7 23 km (15 mi) NW of Emerald Lake Hills, CA
  40. 1.7 23 km (15 mi) NW of Emerald Lake Hills, CA
  41. 1.8 23 km (15 mi) NW of Emerald Lake Hills, CA
  42. 2.3 23 km (15 mi) NW of Emerald Lake Hills, CA · felt by 14
  43. 1.6 27 km (17 mi) SSE of Emerald Lake Hills, CA
  44. 1.8 28 km (17 mi) NE of Emerald Lake Hills, CA
  45. 2.2 28 km (17 mi) NE of Emerald Lake Hills, CA · felt by 39
  46. 1.5 23 km (14 mi) NW of Emerald Lake Hills, CA
  47. 1.6 22 km (14 mi) NW of Emerald Lake Hills, CA
  48. 1.7 23 km (14 mi) NW of Emerald Lake Hills, CA
  49. 1.8 23 km (14 mi) NW of Emerald Lake Hills, CA
  50. 1.8 23 km (14 mi) NW of Emerald Lake Hills, 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 Emerald Lake Hills time. Distances are from the town centre. Quakes USGS named after Emerald Lake Hills are listed even when they are further out.

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

On the map

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

Estimated shaking in Emerald Lake Hills

The strongest shaking in Emerald Lake Hills from a quake since 2016 is estimated at intensity III (weak), from the M 3.7 on 27 October 2023, 20 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 Emerald Lake Hills (est.)
M 3.7 20 kmIII · Weak · felt by 16,471
M 3.9 30 kmIII · Weak · felt by 12,071
M 2.9 11 kmIII · Weak · felt by 133
M 2.5 5 kmIII · Weak · felt by 179
M 3.6 28 kmIII · Weak · felt by 4,288

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 11 earthquakes of M5 or more within 50 km of Emerald Lake Hills; the five largest:

  1. 7.9 The 1906 San Francisco, California Earthquake · 40 km NW of Emerald Lake Hills
  2. 6.2 Near San Jose, California · 45 km ESE of Emerald Lake Hills
  3. 5.8 7 km NNW of Boulder Creek, California · 33 km SSE of Emerald Lake Hills
  4. 5.5 Santa Cruz Mountains, California · 40 km SE of Emerald Lake Hills
  5. 5.5 6 km NNE of East Foothills, California · 44 km E of Emerald Lake Hills

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

Redwood City 4 km · San Carlos 5 km · Belmont 6 km · Menlo Park 8 km · Foster City 10 km · East Palo Alto 11 km · Palo Alto 11 km · San Mateo 12 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.