QuakeIndex

Every recorded earthquake within 30 km

Earthquakes near Palmer, PR

No earthquake was likely felt in Palmer in the 24 hours to 5:19 am AST (09:19 UTC). The last one was M 4.1, 65 km (41 mi) SE, at 5:44 am AST on 28 October 2026, estimated intensity II (weak) in town; 5 felt reports to USGS.

M 3.1

Latest: 11:42 am AST on 6 October 2026 · 29 km (18 mi) W of Palmer, PR

The most recent earthquake near Palmer was M 3.1, 29 km (18 mi) W of Palmer, PR, at 11:42 am AST on 6 October 2026, 113 km deep. At that size and distance it was probably too weak to feel in Palmer.

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

Last 24 hours
0
Last 7 days
0
Last 30 days
0 · an average 30 days here since 2016: 1.7
Last 12 months
13 · largest M 3.3 on 16 April 2026
Since 2016
224 earthquakes of M1.5 or more within 30 km
Largest since 2016
M 3.8 on 17 October 2016, 30 km (19 mi) ESE of Palmer, PR
Reported felt
27 of them have felt reports to USGS

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 13 Oct 28 Nov 11
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 (M2.3–M3.1), from this place's own 10-year record. A mark above the band is a bigger day than usual.

The latest 50

  1. 3.1 29 km (18 mi) W of Palmer, PR
  2. 3.2 20 km (13 mi) E of Palmer, PR
  3. 3.1 3 km (2 mi) WSW of Palmer, PR
  4. 2.1 29 km (18 mi) S of Palmer, PR
  5. 2.9 27 km (17 mi) NE of Palmer, PR
  6. 3.3 25 km (16 mi) NE of Palmer, PR
  7. 2.3 19 km (12 mi) WSW of Palmer, PR
  8. 2.8 13 km (8 mi) N of Palmer, PR
  9. 3.1 28 km (17 mi) SSE of Palmer, PR
  10. 2.6 16 km (10 mi) WSW of Palmer, PR
  11. 2.9 18 km (11 mi) NW of Palmer, PR
  12. 3.3 28 km (18 mi) W of Palmer, PR · felt by 1
  13. 2.3 28 km (17 mi) S of Palmer, PR
  14. 2.7 30 km (19 mi) SW of Palmer, PR · felt by 1
  15. 3.5 19 km (12 mi) ENE of Palmer, PR
  16. 3.2 29 km (18 mi) NE of Palmer, PR
  17. 3.6 18 km (11 mi) W of Palmer, PR
  18. 2.5 29 km (18 mi) S of Palmer, PR
  19. 2.1 29 km (18 mi) S of Palmer, PR
  20. 2.4 27 km (17 mi) SSW of Palmer, PR
  21. 3.1 4 km (2 mi) NW of Palmer, PR · felt by 1
  22. 3.4 16 km (10 mi) SW of Palmer, PR
  23. 2.4 27 km (17 mi) SSW of Palmer, PR
  24. 2.2 27 km (17 mi) SSW of Palmer, PR
  25. 2.1 28 km (17 mi) SSW of Palmer, PR
  26. 2.6 26 km (16 mi) SSW of Palmer, PR
  27. 2.1 24 km (15 mi) SW of Palmer, PR
  28. 2.4 28 km (18 mi) SSW of Palmer, PR
  29. 3.3 29 km (18 mi) WNW of Palmer, PR
  30. 2.1 25 km (15 mi) SSW of Palmer, PR
  31. 2.8 30 km (18 mi) SSW of Palmer, PR
  32. 3.2 6 km (4 mi) SW of Palmer, PR
  33. 3.2 29 km (18 mi) NE of Palmer, PR
  34. 2.8 29 km (18 mi) S of Palmer, PR
  35. 2.2 30 km (18 mi) S of Palmer, PR
  36. 3.3 29 km (18 mi) S of Palmer, PR · felt by 2
  37. 3.0 30 km (18 mi) S of Palmer, PR
  38. 3.4 13 km (8 mi) W of Palmer, PR
  39. 2.8 23 km (15 mi) SW of Palmer, PR
  40. 3.1 28 km (18 mi) SSW of Palmer, PR
  41. 2.9 25 km (15 mi) NE of Palmer, PR
  42. 3.1 21 km (13 mi) SW of Palmer, PR · felt by 3
  43. 2.6 23 km (14 mi) S of Palmer, PR
  44. 2.8 28 km (18 mi) S of Palmer, PR
  45. 2.6 28 km (18 mi) S of Palmer, PR
  46. 2.7 28 km (18 mi) S of Palmer, PR
  47. 3.7 7 km (4 mi) SSE of Palmer, PR
  48. 2.3 30 km (18 mi) S of Palmer, PR
  49. 3.3 28 km (17 mi) W of Palmer, PR · felt by 1
  50. 3.6 28 km (17 mi) S of Palmer, PR · felt by 57

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

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

On the map

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

Estimated shaking in Palmer

The strongest shaking in Palmer from a quake since 2016 is estimated at intensity III (weak), from the M 3.7 on 21 August 2022, 24 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 Palmer (est.)
M 3.7 24 kmIII · Weak · felt by 3
M 3.6 28 kmIII · Weak · felt by 57
M 3.6 29 kmIII · Weak
M 3.6 14 kmII · Weak · felt by 3
M 3.3 29 kmII · Weak · felt by 2

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 one earthquake of M5 or more within 50 km of Palmer:

  1. 5.1 3 km W of Aguas Buenas, Puerto Rico · 40 km WSW of Palmer

USGS ComCat, M5+ from 1900 to 2015. This is the record, not a forecast.

Nearby towns

Luquillo 6 km · Río Grande 6 km · Loíza 13 km · Fajardo 14 km · Aguas Claras 18 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.