QuakeIndex

Every recorded earthquake near

Earthquakes near Helena, MT

M 2.5

Latest: 9:07 am MDT on 20 March 2025 · 38 km (24 mi) NNE of Helena, MT

The most recent earthquake of M2.5 or more near Helena was M 2.5, 38 km (24 mi) NNE of Helena, MT, at 9:07 am MDT on 20 March 2025. 15 smaller earthquakes have been recorded nearby since; the newest is first in the list below.

Within 30 km since 2016
88 earthquakes of M1.5 or more
In the last 12 months
6
Largest since 2016
M 3.7 on 4 February 2016, 10 km (6 mi) S of Helena, MT
Reported felt
13 of them have felt reports to USGS

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

The latest 50

  1. 1.5 29 km (18 mi) NNE of Helena, MT
  2. 1.6 41 km (25 mi) NNE of Helena, MT
  3. 2.4 35 km (22 mi) NNE of Helena, MT
  4. 1.5 7 km (4 mi) SE of Helena, MT
  5. 1.7 5 km (3 mi) SE of Helena, MT
  6. 1.7 23 km (14 mi) WNW of Helena, MT
  7. 2.0 44 km (27 mi) NE of Helena, MT
  8. 1.5 43 km (27 mi) NE of Helena, MT
  9. 1.9 6 km (4 mi) SSE of Helena, MT
  10. 2.4 16 km (10 mi) SSE of Helena, MT
  11. 1.5 36 km (23 mi) W of Helena, MT
  12. 2.3 25 km (16 mi) W of Helena, MT
  13. 1.7 25 km (16 mi) E of Helena, MT
  14. 1.5 5 km (3 mi) N of Helena, MT
  15. 2.3 19 km (12 mi) WNW of Helena, MT · felt by 1
  16. 2.5 38 km (24 mi) NNE of Helena, MT
  17. 1.9 37 km (23 mi) NNE of Helena, MT
  18. 2.7 3 km (2 mi) ENE of Helena, MT · felt by 267
  19. 1.8 3 km (2 mi) E of Helena, MT · felt by 2
  20. 1.6 33 km (20 mi) NNW of Helena, MT
  21. 2.0 22 km (13 mi) NW of Helena, MT
  22. 2.2 8 km (5 mi) E of Helena, MT
  23. 2.2 43 km (26 mi) NE of Helena, MT
  24. 2.3 42 km (26 mi) NE of Helena, MT
  25. 1.7 37 km (23 mi) NW of Helena, MT
  26. 2.0 48 km (30 mi) WNW of Helena, MT
  27. 2.0 38 km (24 mi) NNE of Helena, MT
  28. 1.9 47 km (29 mi) S of Helena, MT
  29. 1.9 25 km (15 mi) WSW of Helena, MT
  30. 1.8 25 km (15 mi) WSW of Helena, MT
  31. 2.2 45 km (28 mi) SSE of Helena, MT
  32. 2.5 44 km (27 mi) SSE of Helena, MT
  33. 2.1 25 km (15 mi) WSW of Helena, MT
  34. 1.5 49 km (30 mi) WNW of Helena, MT
  35. 1.6 37 km (23 mi) NNW of Helena, MT
  36. 2.4 5 km (3 mi) NW of Helena, MT · felt by 47
  37. 1.7 45 km (28 mi) NW of Helena, MT
  38. 1.9 40 km (25 mi) W of Helena, MT
  39. 1.5 7 km (5 mi) SE of Helena, MT
  40. 2.4 40 km (25 mi) SSE of Helena, MT
  41. 1.6 32 km (20 mi) NNW of Helena, MT
  42. 1.7 7 km (5 mi) SE of Helena, MT
  43. 1.9 35 km (22 mi) NW of Helena, MT
  44. 2.2 39 km (24 mi) W of Helena, MT
  45. 1.8 7 km (5 mi) NNE of Helena, MT
  46. 1.7 39 km (24 mi) W of Helena, MT
  47. 1.7 34 km (21 mi) S of Helena, MT
  48. 2.1 33 km (21 mi) S of Helena, MT
  49. 1.6 33 km (21 mi) S of Helena, MT
  50. 1.7 39 km (24 mi) W of Helena, MT

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

On the map

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

Before 2016

The USGS record since 1900 lists 4 earthquakes of M5 or more within 50 km of Helena:

  1. 6.1 The 1935 Helena, Montana Earthquakes (Mainshock) · 29 km E of Helena
  2. 5.9 2 km ENE of Helena, Montana · 3 km ENE of Helena
  3. 5.9 The 1935 Helena, Montana Earthquakes (Largest Aftershock) · 15 km ESE of Helena
  4. 5.0 2 km ENE of Helena, Montana · 3 km ENE of Helena

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

Nearby towns

Helena Valley West Central 8 km · Helena Valley Northeast 13 km · Clancy 15 km · Helena Valley Northwest 15 km

If you felt one

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