QuakeIndex

Every recorded earthquake within 30 km

Earthquakes near Riverton, WA

No earthquake was likely felt in Riverton in the 24 hours to 3:00 am PDT (10:00 UTC). The last one was M 4.2, 33 km (21 mi) WSW, at 2:05 pm PDT on 29 September 2026, estimated intensity III (weak) in town; 9,329 felt reports to USGS.

M 2.6

Latest: 3:58 pm PST on 25 January 2026 · 24 km (15 mi) WNW of Riverton, WA

The most recent earthquake of M2.5 or more near Riverton was M 2.6, 24 km (15 mi) WNW of Riverton, WA, at 3:58 pm PST on 25 January 2026, 24 km deep. 6 people reported feeling it to USGS. The estimated shaking in Riverton was intensity II (weak), felt by some people at rest indoors. 28 smaller earthquakes have been recorded near Riverton since; the newest is first in the list below.

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

Last 24 hours
0
Last 7 days
2
Last 30 days
4 · an average 30 days here since 2016: 3.2
Last 12 months
38 · largest M 2.6 on 25 January 2026
Since 2016
424 earthquakes of M1.5 or more within 30 km
Largest since 2016
M 3.5 on 11 May 2017, 25 km (15 mi) WNW of Riverton, WA
Reported felt
125 of them have felt reports to USGS
Nearest mapped fault
Seattle fault, 4 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

Sep 14 Sep 29 Oct 13
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 29 km (18 mi) WNW of Riverton, WA
  2. 2.0 28 km (17 mi) WNW of Riverton, WA · felt by 1
  3. 1.8 28 km (18 mi) WNW of Riverton, WA
  4. 2.0 17 km (11 mi) E of Riverton, WA
  5. 1.6 21 km (13 mi) ESE of Riverton, WA
  6. 1.5 28 km (17 mi) NE of Riverton, WA
  7. 1.7 28 km (17 mi) WNW of Riverton, WA
  8. 1.9 26 km (16 mi) SSE of Riverton, WA
  9. 1.5 7 km (4 mi) N of Riverton, WA
  10. 1.6 28 km (18 mi) N of Riverton, WA
  11. 1.6 30 km (19 mi) SSE of Riverton, WA
  12. 1.9 11 km (7 mi) WNW of Riverton, WA
  13. 1.7 28 km (18 mi) SSW of Riverton, WA
  14. 1.7 18 km (11 mi) NNE of Riverton, WA
  15. 1.6 18 km (11 mi) NNE of Riverton, WA
  16. 1.9 29 km (18 mi) E of Riverton, WA
  17. 1.6 23 km (15 mi) S of Riverton, WA
  18. 2.0 12 km (8 mi) ESE of Riverton, WA · felt by 1
  19. 1.7 20 km (12 mi) SW of Riverton, WA
  20. 1.7 26 km (16 mi) E of Riverton, WA
  21. 1.7 28 km (18 mi) E of Riverton, WA
  22. 2.2 28 km (17 mi) E of Riverton, WA
  23. 1.8 29 km (18 mi) N of Riverton, WA
  24. 1.9 22 km (14 mi) WNW of Riverton, WA · felt by 2
  25. 1.9 25 km (16 mi) WNW of Riverton, WA
  26. 1.6 18 km (11 mi) NNE of Riverton, WA · felt by 1
  27. 1.5 23 km (14 mi) SSW of Riverton, WA · felt by 1
  28. 1.6 24 km (15 mi) WNW of Riverton, WA
  29. 2.6 24 km (15 mi) WNW of Riverton, WA · felt by 6
  30. 1.7 20 km (12 mi) NNE of Riverton, WA
  31. 1.8 25 km (15 mi) NW of Riverton, WA · felt by 3
  32. 1.5 17 km (10 mi) SSW of Riverton, WA
  33. 1.9 22 km (14 mi) E of Riverton, WA
  34. 1.7 29 km (18 mi) N of Riverton, WA
  35. 1.5 5 km (3 mi) NNE of Riverton, WA
  36. 1.7 5 km (3 mi) NNE of Riverton, WA
  37. 1.5 17 km (11 mi) NE of Riverton, WA
  38. 1.7 13 km (8 mi) NNE of Riverton, WA
  39. 1.6 26 km (16 mi) WNW of Riverton, WA · felt by 1
  40. 1.9 30 km (19 mi) NNW of Riverton, WA · felt by 3
  41. 1.9 20 km (13 mi) ESE of Riverton, WA
  42. 1.5 15 km (9 mi) SSW of Riverton, WA
  43. 2.1 10 km (6 mi) W of Riverton, WA
  44. 1.8 28 km (17 mi) NW of Riverton, WA · felt by 1
  45. 1.6 21 km (13 mi) NE of Riverton, WA
  46. 1.7 15 km (10 mi) NW of Riverton, WA
  47. 1.7 17 km (11 mi) SSW of Riverton, WA
  48. 1.9 29 km (18 mi) W of Riverton, WA
  49. 1.6 3 km (2 mi) NW of Riverton, WA
  50. 1.8 20 km (12 mi) ESE of Riverton, WA

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

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

On the map

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

Estimated shaking in Riverton

The strongest shaking in Riverton from a quake since 2016 is estimated at intensity II (weak), from the M 3.5 on 11 May 2017, 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 Riverton (est.)
M 3.5 25 kmII · Weak · felt by 960
M 3.4 24 kmII · Weak · felt by 751
M 3.4 26 kmII · Weak · felt by 1,640
M 3.2 18 kmII · Weak · felt by 1,291
M 2.3 0 kmII · Weak · felt by 3

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 6 earthquakes of M5 or more within 50 km of Riverton; the five largest:

  1. 6.8 The 2001 Nisqually, Washington Earthquake · 50 km SW of Riverton
  2. 6.7 1 km ENE of Dash Point, Washington · 20 km SSW of Riverton
  3. 6.1 Puget Sound region, Washington · 36 km WSW of Riverton
  4. 5.4 8 km NNE of Lake Marcel-Stillwater, Washington · 44 km NE of Riverton
  5. 5.2 9 km NE of Lake Marcel-Stillwater, Washington · 46 km NE of Riverton

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

Tukwila 3 km · SeaTac 4 km · Bryn Mawr-Skyway 4 km · Burien 4 km · White Center 6 km · Renton 6 km · Columbia City 9 km · Des Moines 9 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.