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M0.7 earthquake 6 km WSW of Tracyton, Washington, United States

A magnitude 0.7 earthquake struck 6 km WSW of Tracyton, Washington, United States at 23:01 local time (06:01 UTC) on 10 Oct 2026, at a depth of 14 km, according to USGS.

Data: USGS · updated 2026-10-12 17:51 UTC · reviewed

Magnitude
0.7micro
local magnitude (Richter) (ml)
Depth
13.9 km
Status
Reviewed
Origin time
2026-10-11 06:01:35 UTC
Local: 10 Oct 2026, 23:01:35 (America/Los Angeles)
Epicentre
47.592° N, 122.742° W

Circles show this event and others within 30 km from 7 days before to 30 days after. Lines: plate boundaries and GEM active faults. Open on the live map

Nearby places

Distance and estimated shaking at nearby places
PlaceDistanceEst. shaking
TracytonWashington, United States · pop. 5,2336 kmINot felt
SilverdaleWashington, United States · pop. 19,2047 kmINot felt
BremertonWashington, United States · pop. 39,5209 kmINot felt
Bainbridge IslandWashington, United States · pop. 23,84017 kmINot felt
SeattleWashington, United States · pop. 780,99531 kmINot felt
BurienWashington, United States · pop. 50,46732 kmINot felt
VictoriaBritish Columbia, Canada · pop. 289,625105 kmINot felt
SurreyBritish Columbia, Canada · pop. 568,322169 kmINot felt

Shaking is an estimate from the intensity prediction equation of Allen, Wald & Worden (2012), not an observation. Local ground and buildings can change it by a level or more.

Every agency's solution

Agencies locate earthquakes with their own stations and methods, so their numbers differ. We match reports of the same event by time, distance and magnitude and show them side by side. The headline uses USGS · UW, which has been reviewed by an analyst.

AgencyMagnitudeDepthEpicentreTime offsetStatus
USGS · UWheadlinePacific Northwest Seismic Network via U.S. Geological Survey0.7 ml13.9 km47.59° N, 122.74° W–Reviewed

How big was it?

Usually not felt. Recorded by nearby seismometers; thousands occur worldwide every day.

It released roughly the energy of 163 g of TNT. Magnitude is logarithmic: each whole step means about 32 times more energy and 10 times larger waves on a seismogram. Depth matters too: at 14 km this was a shallow earthquake, which is felt more strongly at the surface than a deeper one of the same size.

M1.0 releases about 2.9× the energy of M0.7, and its waves are about 2× taller on a seismogram. Energy: 477 g of TNT vs 163 g of TNT.

Each square is the energy of one M0.7. Energy from log₁₀E = 1.5M + 4.8.

Aftershocks and nearby activity

22 later earthquakes within 30 km; the largest was M1.9 30 days ago. 9 in the 7 days before. Aftershock rates usually fall off roughly in proportion to 1/time.

Aftershocks

Mainshock M0.7

22 later earthquakes nearby. Aftershock rates typically fall off roughly as 1/time (Omori's law).

Aftershocks
Time after mainshock (hours)MagnitudeDepth (km)
2.200.813
4.791.113
43.970.718
56.600.523
69.961.122
70.510.922
85.820.713
87.081.930
112.810.619
155.070.620
222.140.421
223.231.328
293.390.422
359.081.15
397.910.4-1
401.951.518
544.550.420
604.150.921
626.640.923
665.521.318
704.91-0.311
705.750.522
  1. 1.917 km WSW of East Port Orchard, Washington, United States10-14 21:06
  2. 1.513 km W of Port Orchard, Washington, United States10-27 23:58
  3. 1.37 km SE of Manchester, Washington, United States10-20 13:15
  4. 1.38 km WSW of Tracyton, Washington, United States11-07 23:32
  5. 1.17 km SW of Silverdale, Washington, United States10-11 10:48
  6. 1.17 km NNW of Bangor Trident Base, Washington, United States10-14 03:59
  7. 1.113 km W of Bangor Trident Base, Washington, United States10-26 05:06
  8. 0.96 km NNW of Bangor Trident Base, Washington, United States10-14 04:32
  9. 0.9Near Tracyton, Washington, United States11-06 08:39
  10. 0.912 km NW of Bangor Trident Base, Washington, United States11-05 10:10
  11. 0.85 km WSW of Tracyton, Washington, United States10-11 08:13
  12. 0.74 km W of Tracyton, Washington, United States10-14 19:50
  13. 0.711 km WNW of Bangor Trident Base, Washington, United States10-13 01:59
  14. 0.64 km SSW of Bainbridge Island, Washington, United States10-15 22:50
  15. 0.611 km NW of Bangor Trident Base, Washington, United States10-17 17:05
  16. 0.511 km W of Port Orchard, Washington, United States11-09 15:46
  17. 0.514 km NW of Bangor Trident Base, Washington, United States10-13 14:37
  18. 0.415 km WNW of Bangor Trident Base, Washington, United States10-20 12:09
  19. 0.413 km NW of Bangor Trident Base, Washington, United States10-23 11:25
  20. 0.411 km WNW of Bangor Trident Base, Washington, United States11-02 22:34
  21. 0.424 km NNE of Shelton, Washington, United States10-27 19:56
  22. -0.320 km W of Port Orchard, Washington, United States11-09 14:56

Did you feel it?

Reports from people help show where shaking was strong. They are anonymous and shown here in aggregate.

Reports close 14 days after an earthquake.

Reports on SeismoAtlas

No reports yet.

Event id uw714118302. First recorded here 12 Oct 2026, 18:32:54 UTC. Solutions: USGS · UW (usgs:uw714118302). Cite as: SeismoAtlas, “M0.7 earthquake 6 km WSW of Tracyton, Washington, United States”, https://seismoatlas.com/earthquake/uw714118302-m0-7-earthquake-6-km-wsw-of-tracyton-washington-united-states, data from USGS.

JSON: /api/v1/events/uw714118302. SeismoAtlas is not an official warning service.