QuakeIndex

Earthquakes in Polk County, Oregon

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Quiet QuakeIndex 0 / 100

0 quakes of M1.5 or larger in the last 7 days within 50 km. Most weeks here have none at all, which is why two is a lot.

Compared against Polk County, Oregon's own 10 years · USGS catalogue · updated

The last 30 days

Aug 29 Sep 13 Sep 27
Each mark is a day's largest quake within range; its size is the magnitude. The shaded band is the magnitude a day's largest quake normally falls in here (M1.6–M1.9), from this place's own 10-year record. A mark above the band is a bigger day than usual.

Live · last 7 days

Latest earthquakes within 50 km

None within 50 km in the latest snapshot we hold; the full 7 days load from USGS as this page opens.

Source USGS · snapshot of

Where this is

Centre 44.900, -123.399 — the Census internal point, from the US Census Bureau Gazetteer (2024). Activity is measured within 50 km of it.

Largest on record nearby

MagnitudeWhenWhere
M 3.6 3 km ESE of Rose Lodge, Oregon
M 3.5 6 km NNW of Fort Hill Census Designated Place, Oregon
M 3.2 5 km SE of Amity, Oregon
M 3.2 3 km ESE of Rose Lodge, Oregon
M 3.0 4 km WNW of Woodburn, Oregon
M 3.0 4 km SE of Rose Lodge, Oregon
M 3.0 9 km NW of Keizer, Oregon
M 2.8 6 km WNW of Gervais, Oregon

From the QuakeIndex catalogue, built from the USGS FDSN event service · within 50 km of the centre above.

After an earthquake here