QuakeIndex

Earthquake · reviewed by a seismologist

M 1.9ml

Earthquake near Portland, OR

USGS: 0 km W of West Haven, Oregon

10 km (6 mi) WSW of Portland, OR · 5 km (3 mi) NNE of Beaverton, OR

4:03 am PDT, Jun 14, 2017 · · 23 km deep · released about 25 lb of TNT

10 km30 km60 km120 km N Washington County 25 kmMultnomah County 29 kmClark County 36 kmYamhill County 51 kmColumbia County 53 kmClackamas County 61 kmMarion County 70 kmCowlitz County 76 kmTillamook County 77 km
Distance rings around the epicentre, with the nearest towns at their true direction and later quakes as coloured dots. Not a shaking map — see the USGS ShakeMap for that.
When
4:03 am PDT on 14 June 2017 ()
Where
8 km (5 mi) W of Portland, OR · earthquakes near Portland
Magnitude
M 1.9 (ml)
Depth
23 km below the surface
Felt
55 reports · strongest reported intensity II
Nearest
Washington County, 25 km W
Status
Reviewed by a seismologist

USGS · last changed by USGS · we first saw it 2747 days ago

A magnitude 1.9 earthquake was recorded 8 km (5 mi) W of Portland, OR, at 4:03 am PDT on 14 June 2017 (11:03 UTC). 55 people have reported feeling it to USGS. This was a minor earthquake. Quakes this small are rarely felt and do not cause damage.

Earthquakes near other towns within 30 km: West Haven-Sylvan, Cedar Hills, Cedar Mill, Beaverton, Raleigh Hills, Oak Hills.

How big was it?

This earthquake released about 25 lb of TNT. Magnitude is logarithmic: each whole step up releases about 32 times more energy, so a magnitude 3.0 would have released about 32 times as much.

  1. Mineral, Virginia 2011 M 5.8 600,000× the energy of this one
  2. Magna, Utah 2020 M 5.7 420,000× the energy of this one
  3. Around the size people start to feel M 3.0 38× the energy of this one
  4. This earthquake M 1.9 about 25 lb of TNT

Energy from the Gutenberg–Richter relation (log10E = 1.5M + 4.8), rounded to two figures; bar length is magnitude, which is already a logarithm of energy. Magnitudes of past earthquakes from the USGS catalogue.

For this area

No earthquake of M4 or more has been recorded within 50 km since our catalogue begins in 2016.

Before 2016, the USGS record lists 2 earthquakes of M5 or more within 50 km:

  1. 5.2 5 km E of Bridgeton, Oregon · 17 km ENE of this epicentre
  2. 5.0 3 km SW of Portland, Oregon · 7 km ESE of this epicentre

Since 2016: the QuakeIndex catalogue (US, M1.5+), built from the USGS FDSN event service. Before 2016: USGS ComCat, M5+ from 1900. Distances are between epicentres. This is the record, not a forecast.

Where

Epicentre 45.5178, -122.7813. Map © OpenStreetMap contributors.

Nearby places

PlaceDistanceDirection from the epicentre
Washington County, OR 25 km (16 mi) W earthquakes near Washington County
Multnomah County, OR 29 km (18 mi) E earthquakes near Multnomah County
Clark County, WA 36 km (23 mi) NE earthquakes near Clark County
Yamhill County, OR 51 km (32 mi) SW earthquakes near Yamhill County
Columbia County, OR 53 km (33 mi) NNW earthquakes near Columbia County
Clackamas County, OR 61 km (38 mi) SE earthquakes near Clackamas County

Places and coordinates from the US Census Bureau Gazetteer (2024). Distances are from the epicentre.

Aftershocks so far

45 earthquakes have been recorded within 50 km since this one.

  1. 1.6 0 km WSW of Aloha, Oregon
  2. 1.7 4 km WSW of Yacolt, Washington
  3. 1.6 1 km N of West Haven, Oregon
  4. 1.6 1 km WSW of West Slope, Oregon
  5. 1.6 7 km ESE of Molalla, Oregon
  6. 1.8 7 km ENE of Carlton, Oregon
  7. 1.6 1 km NNE of Saint Helens, Oregon
  8. 1.5 3 km N of Portland, Oregon
  9. 1.6 6 km SSE of Sandy, Oregon
  10. 2.0 4 km SE of Ridgefield, Washington
  11. 1.6 8 km S of Scappoose, Oregon
  12. 1.7 7 km NW of North Portland, Oregon
  13. 2.6 8 km S of Scappoose, Oregon
  14. 1.7 8 km NE of Woodland, Washington
  15. 2.8 6 km WNW of Gervais, Oregon

Counted from the QuakeIndex database, which ingests the USGS feed every 30 seconds · as of . QuakeIndex does not forecast aftershocks. When USGS issues an operational aftershock forecast it appears on the USGS event page.

On USGS

QuakeIndex does not issue warnings. For earthquake early warning see ShakeAlert.