Earthquakes in Portland, Oregon
Last earthquake: 2 days ago · 11 in past 30 days · Largest: M2.0 · Population 653K
Last updated: June 13, 2026 at 01:01 PM UTC · Data: USGS Earthquake Hazards Program
No significant earthquakes recorded near Portland recently. No M2.5+ events within 75 km in the past 30 days.
Quick Facts — Earthquakes in Portland
- Population
- 653K
- Seismic activity level
- high
- Nearest major fault
- Portland Hills Fault Zone (2 km)
- Largest recorded nearby
- M9.0 (1700 Cascadia earthquake)
- 30-year probability M6.7+
- 25% (NSHM)
- Earthquakes past 30 days
- 11
- 2026 total (M1.0+)
- 72
The Portland area averages about 1.2 magnitude 4.0+ earthquakes per year and has recorded 11 earthquakes (M1.0+) within 75 km in the past 30 days. The largest event in the past 30 days was a magnitude 2.0 event 2 km WNW of Dundee, Oregon.
Portland sits in the high category for U.S. seismic activity. The largest earthquake in or near Portland since records began was the magnitude 9.0 1700 Cascadia earthquake, which struck approximately 180 km west (offshore) of the city.
According to the U.S. Geological Survey's National Seismic Hazard Model, there is approximately a 25% probability of a magnitude 6.7 or greater earthquake within 100 km of Portland in the next 30 years, and a 15% probability of a magnitude 7.0 or greater event. The largest credible earthquake predicted for the Portland area is a magnitude 7.0 event on the Portland Hills Fault Zone, which lies 2 km from downtown Portland. Source: USGS Fact Sheet 2025-3050 (Pacific Northwest)
Portland sits in a region characterized by the southern Cascadia Subduction Zone, with additional seismicity from crustal faults in the Willamette Valley. Beyond the Portland Hills Fault Zone, secondary fault systems include the Cascadia Subduction Zone and Mount Hood Fault Zone. View all earthquakes in Oregon.
2026 Activity vs Historical Average
Earthquake Map — Portland Area
Fault Lines Near Portland
| Fault Name | Type | Distance | Max Credible Mag | Last Major Rupture |
|---|---|---|---|---|
| Portland Hills Fault Zone | reverse | 2 km | M7.0 | paleoseismic data limited |
| Cascadia Subduction Zone | subduction zone | 180 km | M9.0 | 1700 (M9.0) |
| Mount Hood Fault Zone | normal | 75 km | M6.8 | volcanic-related, limited data |
| Gales Creek Fault | right-lateral strike-slip | 35 km | M6.8 | paleoseismic data limited |
Recent Earthquakes (Last 30 Days)
Dataset at a glance — Portland
Over the past 30 days, Portland has recorded 11 earthquakes of magnitude 2.5 or greater in our tracker. By depth: 11 shallow (<70 km). 3 of the epicenters were offshore. Focal depths ranged from -0.8 km to 24.6 km. All 11 solutions have been reviewed by a USGS seismologist.
Leading the list is a magnitude 2.0 event near 2 km WNW of Dundee, Oregon at -0.2 km depth. The second-ranked event, at magnitude 1.7 near 7 km S of Scappoose, Oregon, trails by 0.3 magnitude units — a narrow gap, indicating two comparably energetic events in the current window. Rounding out the top three is a magnitude 1.7 earthquake near 3 km NW of Venersborg, Washington.
Each row in the table below includes a narrative summary of the event, ordered by time. Use the column headers to sort or filter by magnitude.
| Time ↓ | Mag ↕ | Location ↕ | Depth ↕ | Felt ↕ | MMI | Alert | Status | Details |
|---|---|---|---|---|---|---|---|---|
2 days ago 2026-06-11 11:44:37 UTC | 1.5ml | 5 km WNW of King City, Oregon 45.426°, -122.868° | 20.5 km | - | - | - | ✓ Reviewed | USGS → |
This magnitude 1.5 event was detected 5 km WNW of King City, Oregon on June 11, 2026, with origin time 11:44 UTC. The event originated approximately 20.5 km below the surface, classifying it as shallow crustal. The epicenter is at 45.426°, -122.868°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M1.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
4 days ago 2026-06-08 18:38:22 UTC | 1.7ml | 7 km ESE of Amity, Oregon 45.081°, -123.119° | -0.2 km | - | - | - | ✓ Reviewed | USGS → |
On June 8, 2026, Portland registered a magnitude 1.7 earthquake 7 km ESE of Amity, Oregon at 18:38 UTC. At a depth of just -0.2 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. It ranks as the fourth largest event in the current dataset. The epicenter is at 45.081°, -123.119°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M1.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-05 2026-06-05 21:22:51 UTC | 1.7ml | 3 km NW of Venersborg, Washington 45.795°, -122.462° | -0.6 km | - | - | - | ✓ Reviewed | USGS → |
Seismographs logged a magnitude 1.7 earthquake 3 km NW of Venersborg, Washington with origin time 21:22 UTC on June 5, 2026. At a depth of just -0.6 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. It ranks as the third largest event in the current dataset. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Coordinates: 45.795°, -122.462°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M1.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-05 2026-06-05 03:17:19 UTC | 1.7ml | 7 km S of Scappoose, Oregon 45.684°, -122.868° | 21.4 km | - | - | - | ✓ Reviewed | USGS → |
A magnitude 1.7 earthquake was recorded 7 km S of Scappoose, Oregon on June 5, 2026 at 03:17 UTC. It ranks as the second largest event in the current dataset. At a depth of 21.4 km, the event was shallow crustal. The event was offshore — common for earthquakes along subduction zones and transform plate boundaries. Geolocation places the event at 45.684°N, -122.868°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M1.7 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-04 2026-06-04 10:11:22 UTC | 1.5ml | 4 km WNW of Camas, Washington 45.606°, -122.447° | 7.1 km | - | - | - | ✓ Reviewed | USGS → |
The USGS recorded this magnitude 1.5 earthquake 4 km WNW of Camas, Washington at 10:11 UTC on June 4, 2026. At a depth of 7.1 km, the event was shallow crustal. Coordinates: 45.606°, -122.447°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M1.5 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-06-01 2026-06-01 21:30:51 UTC | 2.0ml | 2 km WNW of Dundee, Oregon 45.291°, -123.042° | -0.2 km | - | - | - | ✓ Reviewed | USGS → |
On June 1, 2026 at 21:30 UTC, a magnitude 2.0 earthquake struck 2 km WNW of Dundee, Oregon. It is the largest earthquake currently listed for Portland over the past 30 days. At a depth of just -0.2 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. The epicenter is at 45.291°, -123.042°. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M2.0 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
2026-05-19 2026-05-19 22:16:51 UTC | 1.6ml | 4 km SSW of Amboy, Washington 45.876°, -122.464° | -0.6 km | - | - | - | ✓ Reviewed | USGS → |
At 22:16 UTC on May 19, 2026, a magnitude 1.6 tremor occurred 4 km SSW of Amboy, Washington. At a depth of just -0.6 km, this was a very shallow event, close enough to the surface that modest magnitudes can produce significant local shaking. It ranks as the fifth largest event in the current dataset. Geolocation places the event at 45.876°N, -122.464°E. The solution has been reviewed by a USGS seismologist and is considered finalized. See the M1.6 event page for the full report, ShakeMap, and citizen-reported intensity data. | ||||||||
Common Questions About Earthquakes in Portland
How often do earthquakes happen in Portland?
Portland experiences frequent earthquake activity. The area averages 12 earthquakes of magnitude 3.0 or greater per year, with 0.15 reaching magnitude 5.0 or higher. In the past 30 days, 11 earthquakes (M1.0+) have been recorded within 75 km of the city.
What was the biggest earthquake to hit Portland?
The largest earthquake in or near Portland since records began was the magnitude 9.0 1700 Cascadia earthquake in 1700, which struck approximately 180 km west (offshore) of the city.
What is the earthquake risk in Portland?
Earthquakes cannot be predicted with precision. However, the U.S. Geological Survey estimates there is approximately a 25% probability of a magnitude 6.7 or greater earthquake within 100 km of Portland in the next 30 years. The most likely source is the Portland Hills Fault Zone, which has a maximum credible magnitude of 7.0.
What fault lines are near Portland?
The Portland Hills Fault Zone runs approximately 2 km from Portland and is the most significant local seismic threat, with a maximum credible magnitude of 7.0. Other nearby faults include the Cascadia Subduction Zone (180 km), the Mount Hood Fault Zone (75 km), the Gales Creek Fault (35 km).
Was there an earthquake in Portland today?
No earthquakes of magnitude 2.5 or greater have been recorded within 75 km of Portland in the past 30 days.
How do I prepare for an earthquake in Portland?
If you feel shaking, immediately Drop, Cover, and Hold On. Drop to your hands and knees, take cover under a sturdy desk or table, and hold on until shaking stops. Stay away from windows and exterior walls. Given the proximity of the Portland Hills Fault Zone (max credible M7.0), residents should have an earthquake emergency kit prepared. See our earthquake safety guide and emergency planning resources.
About This Page
This page is maintained by Earthquake Tracker, an independent seismic activity reporting service. Earthquake data is sourced from the U.S. Geological Survey (USGS) Earthquake Hazards Program and updated every hour. Probability estimates use the USGS National Seismic Hazard Model (NSHM 2023). Historical earthquake data is sourced from the USGS Historical Earthquake Catalog. Fault information comes from the USGS Quaternary Fault and Fold Database and SCEC Community Fault Model.
Last data refresh: 2026-06-13T13:01:52.234Z · Last reviewed: June 13, 2026