3.3-magnitude quake shakes S. of Portland

A 3.3-magnitude earthquake five miles northwest of Sherwood Sunday evening shook the ground enough that about 1,200 people reported feeling it to the U.S. Geological Society.

The quake struck at 8:33 p.m. and was measured at a depth of 19 kilometers (about 12 miles).

There were no immediate reports of damage, according to KGW in Portland.

More: USGS magnitude report

According to the USGS a smaller quake preceded the 3.3 quake by ten minutes.