Latest Earthquakes near Mercer Island
Live map and archive of seismic activity in and around Mercer Island, Washington.
Mercer Island Activity Report
M1.5+Filtered Statistics
Filtered Statistics
Loading map...
Latest earthquakes in nearby cities
Live map and archive of seismic activity in and around Mercer Island, Washington.
Common Questions about Earthquakes near Mercer Island
Is Mercer Island in an earthquake-prone area?
Mercer Island and the surrounding area may experience seismic activity of varying strength. The map above helps you review nearby recent events and get a quick sense of local seismic patterns.
When was the last earthquake near Mercer Island?
Use the filters above to check the latest earthquakes near Mercer Island. The past-hour, past-day, and past-7-day views are especially helpful if you are monitoring current activity.
What is the largest earthquake recorded near Mercer Island?
Switch to a wider custom date range to look further back in the archive. That makes it much easier to identify the strongest historical earthquakes around Mercer Island.
How far back does the earthquake data go?
Our broader archive reaches back to 1900. To keep performance stable, the visible list is capped at the 2000 most relevant events for your current filters.
You may also find these tools useful
Earthquake information is automatically aggregated from the official seismic agencies listed below. Preliminary measurements can change as agencies review an event; use local emergency authorities for safety decisions. Latest successful data update: Sep 4, 2026, 23:43 UTC.
Data sources:
- USGS — Credit: U.S. Geological Survey.
- EMSC — Credit: EMSC/CSEM. Event catalogue data are provided under CC BY 4.0. CC BY 4.0
- JMA — Source: Japan Meteorological Agency (JMA).
- Geoscience Australia — Based on Australian Earthquakes data by Geoscience Australia. © Commonwealth of Australia. Licensed under CC BY 4.0; the section 5 disclaimer applies. CC BY 4.0
- GeoNet — We acknowledge the New Zealand GeoNet programme and its sponsors NHC, Earth Sciences NZ, LINZ, NEMA and MBIE for providing earthquake data.