Washington earthquakes

M1.9 earthquake 6 km SSW of Morton, Washington

A magnitude 1.9 earthquake struck 6 km SSW of Morton, Washington on Sun, Feb 20, 2000, 3:59 PM PST (23:59 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M2.4 35 km NE of Amboy, Washington. This one was a foreshock.

Morton forecastMore in Washington

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
2000-02-20 23:59:12 UTC
Depth
19.6 km (12.2 mi), shallow
Epicenter
46.504° N, 122.317° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.4 km horizontally, 0.6 km in depth
Magnitude uncertainty
±0.04
Depth from
From location
Station coverage gap
42°
Stations used
38

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 10 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 2.435 km NE of Amboy, Washington · 9716 days ago · 10 km deep · 42 km away
  2. 2.034 km NE of Amboy, Washington · 9714 days ago · 11 km deep · 42 km away
  3. 2.034 km NE of Amboy, Washington · 9714 days ago · 10 km deep · 43 km away
  4. 1.523 km N of Trout Lake, Washington · 9712 days ago · 1 km deep · 69 km away
  5. 2.128 km S of Morton, Washington · 9711 days ago · 7 km deep · 23 km away
  6. 1.828 km S of Morton, Washington · 9711 days ago · 7 km deep · 23 km away
  7. 2.037 km SSE of Morton, Washington · 9710 days ago · 11 km deep · 34 km away
  8. 1.919 km SSW of Morton, Washington · 9672 days ago · 19 km deep · 13 km away
  9. 2.222 km ENE of Ashford, Washington · 9660 days ago · -1 km deep · 58 km away
  10. 1.721 km N of Packwood, Washington · 9659 days ago · 10 km deep · 56 km away

Before

  1. 1.711 km SSE of Mineral, Washington · 9736 days ago · 18 km deep · 19 km away
  2. 1.63 km W of Black Diamond, Washington · 9742 days ago · 11 km deep · 92 km away
  3. 2.122 km ENE of Ashford, Washington · 9742 days ago · -1 km deep · 57 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10494978. Read Tue, Sep 29, 2026, 2:38 PM UTC.