M 4.5 - 2025 Orcas Island, Washington
March 3, 2025 at 13:02:37 UTC
Depth: 15.81 km (Shallow)
Key Takeaway
This light earthquake (M4.5) occurred 1 year ago near 2025 Orcas Island, Washington, at a depth of 15.81 km (shallow). It was felt by 11,410 people. A tsunami warning was issued for this event.
Light
PAGER Alert
Tsunami
Felt Reports
Event Details
| Magnitude | 4.5 ml |
| Depth | 15.81 km (Shallow) |
| Location | 48.6112N, 122.8052W |
| Community Intensity | V (Moderate) |
| Mercalli Intensity | IV (Light) |
| Felt Reports (DYFI) | 11,410 people |
| Alert Level (PAGER) | Green — No fatalities or damage expected |
| Tsunami Warning | Yes |
| Significance | 872 / 3000 |
| Status | Reviewed |
| Network | uw |
| USGS Event Page | View on USGS → |
Frequently Asked Questions
What was the magnitude of this earthquake?
This earthquake had a magnitude of 4.5, classified as "Light". Light earthquakes produce noticeable shaking but rarely cause damage.
How deep was this earthquake?
This earthquake occurred at a depth of 15.81 km, classified as "Shallow". Shallow earthquakes tend to cause more damage at the surface because the energy has less distance to travel before reaching buildings and infrastructure.
Where exactly did this earthquake occur?
This earthquake occurred near 2025 Orcas Island, Washington, at coordinates 48.6112N, 122.8052W. The location is determined by analyzing seismic wave arrival times at multiple monitoring stations.
Were there aftershocks associated with this event?
Aftershock data for this specific event can be explored by viewing nearby recent earthquakes listed below on this page. Aftershocks are smaller earthquakes that occur in the same area following a larger event, and they can continue for days, weeks, or even months depending on the original earthquake's magnitude.
What does the magnitude of this earthquake mean in practical terms?
A magnitude 4.5 earthquake is classified as "Light" — these are commonly felt by people indoors but rarely cause any significant damage.
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Data from the USGS Earthquake Hazards Program (ComCat). QuakeScan is not affiliated with the USGS. Event details may be updated as new data becomes available.