Live earthquake check
Earthquakes near West Lake Sammamish today
Updated
No M2.5+ earthquake within 100 km of West Lake Sammamish in the last 24 hours The last M2.5+ within 100 km was M2.6 27 km SE, 22 days ago.
Recent earthquakes near West Lake Sammamish
USGS recorded 2 earthquakes of magnitude 2.5 or more within 100 km of West Lake Sammamish in the past 30 days, 0 of them in the last 7 days. The most recent was M2.6 27 km SE of the city at Oct 14, 18:09 local time (22 days ago).
The average depth was about 19 km and 2 of 2 were shallow (under 70 km), which are the ones most likely to be felt at the surface.
| Time (West Lake Sammamish) | UTC | Magnitude | Distance | Depth | Location |
|---|---|---|---|---|---|
| Oct 25, 07:15 | Oct 25, 14:15 UTC | M2.5 | 134 km NE | 3 km | 41 km WSW of Winthrop, Washington |
| Oct 14, 18:09 | Oct 15, 01:09 UTC | M2.6 | 27 km SE | 19 km | 5 km SW of Wilderness Rim, Washington |
| Oct 14, 02:00 | Oct 14, 09:00 UTC | M2.6 | 27 km SE | 19 km | 5 km WSW of Wilderness Rim, Washington |
M2.5+ within 150 km, past 30 days, newest first. Times in America/Los_Angeles.
Was there an earthquake in West Lake Sammamish just now? This page checks the live USGS catalogue for quakes around West Lake Sammamish, Washington, United States and updates every few minutes.
- Last 24 hours
- 0 M2.5+ within 100 km
- Last 7 days
- 0 M2.5+ within 100 km
- Last 30 days
- 2 M2.5+ within 100 km
- Largest in 30 days
- M2.6 27 km SE, Oct 14, 2026
- Largest in past year
- M4.2 51 km WSW, Sep 29, 2026
- Past year count
- 27 M2.5+ within 150 km
- Nearest in 30 days
- 27 km M2.6, Oct 14, 2026
Largest earthquakes near West Lake Sammamish in the past year
The strongest earthquake within 150 km of West Lake Sammamish in the past 12 months was M4.2 on Sep 29, 2026, 51 km WSW of the city (6 km WNW of Wauna, Washington).
With 27 M2.5+ earthquakes in a year (about 2.3 a month), the area around West Lake Sammamish is active by global standards. 0 of the ten largest reached M4.5, the level at which damage near the epicentre becomes possible.
| Date | Magnitude | Distance | Depth | Location |
|---|---|---|---|---|
| Sep 29, 2026 | M4.2 | 51 km WSW | 28 km | 6 km WNW of Wauna, Washington |
| Jul 2, 2026 | M3.8 | 88 km NNW | 25 km | 2 km E of Oak Harbor, Washington |
| Feb 24, 2026 | M3.0 | 29 km N | 26 km | 4 km ESE of Cathcart, Washington |
| Jan 22, 2026 | M3.0 | 12 km NE | 27 km | 2 km NNW of Ames Lake, Washington |
| Dec 15, 2025 | M2.9 | 108 km NNE | 6 km | 4 km WSW of Concrete, Washington |
| Jun 8, 2026 | M2.9 | 88 km NNW | 26 km | 2 km ESE of Oak Harbor, Washington |
| Mar 11, 2026 | M2.9 | 62 km WSW | 25 km | 2 km W of Home, Washington |
| May 27, 2026 | M2.8 | 50 km WSW | 26 km | 4 km W of Wauna, Washington |
| Jun 26, 2026 | M2.8 | 80 km ESE | 0 km | 1 km SSE of Easton, Washington |
| Dec 25, 2025 | M2.8 | 51 km W | 23 km | 5 km W of Gorst, Washington |
Was it felt in West Lake Sammamish?
The largest nearby quake this month, M2.6 at 27 km, was probably too small or too distant to notice in West Lake Sammamish by a rough rule of thumb (an M3 is typically noticed within a few tens of km, an M5 up to a few hundred km; local ground and building type matter a lot).
USGS "Did You Feel It?" received reports for 3 of these quakes: M2.5 on Oct 25, 2026 (7 reports, max intensity 3.8); M2.6 on Oct 15, 2026 (46 reports, max intensity 2.7); M2.6 on Oct 14, 2026 (78 reports, max intensity 2.7).
If you felt shaking, you can report it to USGS; reports refine the intensity map within minutes.
Tsunami warning status
None of the earthquakes near West Lake Sammamish in the past year carried the USGS tsunami flag, which USGS sets for large quakes in oceanic regions where the tsunami warning centres issue messages.
Official tsunami warnings come from the NOAA tsunami warning centres (tsunami.gov) and national agencies; follow local authorities if you are on a coast after strong shaking.
Earthquakes around the world today
Worldwide, USGS listed 171 earthquakes of M1+ in the last 24 hours; the largest was M6.1 Fiji region.
USGS lists every magnitude in the United States but outside it coverage is complete only from about M4–4.5, so smaller local quakes reported by national agencies may be missing. Magnitudes and locations are revised for hours after an event.
Earthquakes near other cities in United States and nearby
Earthquake pages
More live data for West Lake Sammamish
Data: USGS Earthquake Hazards Program (ComCat), GeoNames (cities, CC BY 4.0).