Portland

Portland, United States: 339 earthquakes of magnitude 4.0+ detected within 100 km.

Population

652,503

Residents in the indexed city record.

Earthquakes

339

Earthquakes at M4.0+ nearby.

Max magnitude

5.7

Strongest recorded event in the current radius.

Timezone

America/Los_Angeles

Coordinates 45.523, -122.676

Nearby activity pulse

Last 30 days

Last 12 months

Last nearby event: 2011-02-14 18:35 UTC

Strongest nearby event

M 5.7

Portland, United States

1980-05-18 15:32 UTC

Map

Earthquakes within 100 km of Portland

The map centers on Portland and highlights the most recent earthquakes detected within 100 km.

Average magnitude

4.3

Average depth

0.8 km

Timeline

Recent seismic activity

Latest 0 events shown

UTC	Magnitude	Region	Depth

Monthly profile

Recent monthly trend

No monthly activity to display yet.

Historic snapshot

Earthquakes history

Strongest years

1980 M 5.7 max · 322 earthquakes 1993 M 5.6 max · 1 earthquakes 1981 M 5.2 max · 2 earthquakes 1962 M 5.2 max · 1 earthquakes 1961 M 5.1 max · 4 earthquakes

Year	Max magnitude	Earthquakes
2011	M 4.3	1
2002	M 4.5	1
1993	M 5.6	1
1982	M 4.4	1
1981	M 5.2	2
1980	M 5.7	322
1974	M 4.1	1
1963	M 4.6	2
1962	M 5.2	1
1961	M 5.1	4
1959	M 4.7	1
1957	M 4.0	1
1953	M 5.0	1