Washington earthquakes

M2.4 earthquake 8 km WNW of Tieton, Washington

A magnitude 2.4 earthquake struck 8 km WNW of Tieton, Washington on Thu, May 12, 1988, 8:16 AM PDT (15:16 UTC), 7 km (5 mi) below the surface.

A larger quake followed: M3.7 8 km SW of Royal City, Washington. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.4 (Md, duration), micro
Magnitude from
Pacific Northwest Seismic Network
Local time
UTC
1988-05-12 15:16:57 UTC
Depth
7.3 km (4.5 mi), shallow
Epicenter
46.736° N, 120.851° 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 0.8 km horizontally, 0.7 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
54°
Stations used
36

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 3 in the 30 days before it.

After

  1. 1.519 km SSE of Carbonado, Washington · 14021 days ago · 11 km deep · 86 km away
  2. 1.733 km SE of Morton, Washington · 14012 days ago · -1 km deep · 99 km away
  3. 1.511 km S of Greenwater, Washington · 14006 days ago · 0 km deep · 70 km away
  4. 2.34 km E of Tampico, Washington · 13992 days ago · 0 km deep · 23 km away
  5. 1.812 km NE of Packwood, Washington · 13989 days ago · 1 km deep · 55 km away
  6. 1.712 km ESE of Ashford, Washington · 13984 days ago · 5 km deep · 78 km away
  7. 1.812 km SW of Packwood, Washington · 13976 days ago · 5 km deep · 76 km away
  8. 3.78 km SW of Royal City, Washington · 13964 days ago · 3 km deep · 88 km away
  9. 2.69 km SW of Royal City, Washington · 13964 days ago · 2 km deep · 87 km away

Before

  1. 1.818 km SSW of White Swan, Washington · 14026 days ago · -1 km deep · 56 km away
  2. 1.93 km W of Summitview, Washington · 14028 days ago · -1 km deep · 20 km away
  3. 1.524 km ENE of Ashford, Washington · 14031 days ago · -1 km deep · 69 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10230713. Read Fri, Oct 2, 2026, 7:40 AM UTC.