Live record · within 100 km (62 mi) · M2.5+
Earthquakes near West Lake Sammamish
In the last 30 days there were 3 earthquakes of magnitude 2.5 or larger within 100 km (62 mi) of West Lake Sammamish, Washington, and 0 in the last 24 hours. The strongest was a magnitude 4.2, 51 km (31 mi) WSW of West Lake Sammamish, on 2026-09-29.
Earthquakes M2.5+ within 100 km
- Last 24 hours0
- Last 7 days0
- Last 30 days3
- Last year16
- Last 5 years86
M1+ in the last 7 days: 12. Methodology
01 — History
Earthquakes per month near West Lake Sammamish
38 earthquakes of magnitude 2.5 or larger within 100 km of West Lake Sammamish in the last 24 months. The busiest month was Feb 2025, with 4.
02 — Recent
Recent earthquakes near West Lake Sammamish
| Magnitude | Location | Distance | Depth | Time |
|---|---|---|---|---|
| 2.6 | 5 km SW of Wilderness Rim, Washington | 27 km / 17 mi | depth 19 km | |
| 2.6 | 5 km WSW of Wilderness Rim, Washington | 27 km / 17 mi | depth 19 km | |
| 4.2 | 6 km WNW of Wauna, Washington | 51 km / 31 mi | depth 28 km |
03 — Questions
Earthquakes in West Lake Sammamish, answered
Was there an earthquake in West Lake Sammamish today?
No earthquake of magnitude 2.5 or larger was recorded within 100 km of West Lake Sammamish in the last 24 hours. Smaller ones can still occur. The home page lists them when you choose “All” magnitudes.
Are earthquakes common near West Lake Sammamish?
Over the last five years there were 86 earthquakes of magnitude 2.5 or larger within 100 km of West Lake Sammamish, an average of 17 a year. 16 occurred in the last 12 months. That is close to the five-year average.
What was the largest earthquake near West Lake Sammamish in five years?
A magnitude 4.3 on Oct 9, 2023, 02:21 UTC, 70 km (43 mi) NW of West Lake Sammamish, at a depth of 55 km. See this earthquake
Counts describe past activity within 100 km of the city centre. They are not a forecast or a risk assessment. Data updated . Source: USGS.
04 — Embed
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