M2.6 earthquake 8 km SSW of Tampico, Washington
A magnitude 2.6 earthquake struck 8 km SSW of Tampico, Washington on Thu, Aug 29, 2002, 7:03 PM PDT (02:03 UTC), 3 km (2 mi) below the surface.
A larger quake followed: M2.9 13 km WSW of Royal City, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 2.6 (Md, duration), micro
- Magnitude from
- Pacific Northwest Seismic Network
- Local time
- UTC
- 2002-08-30 02:03:14 UTC
- Depth
- 3.3 km (2.0 mi), shallow
- Epicenter
- 46.467° N, 120.912° W
- Region
- Washington
- 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 0.5 km horizontally, 0.9 km in depth
- Magnitude uncertainty
- ±0.06
- Depth from
- From location
- Station coverage gap
- 48°
- Stations used
- 53
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 7 in the 60 days after this one and 2 in the 30 days before it.
After
- 1.73 km NNE of Yakima, Washington · 8798 days ago · 11 km deep · 38 km away
- 1.716 km NNE of Ashford, Washington · 8791 days ago · 12 km deep · 93 km away
- 1.57 km WSW of Arlington, Oregon · 8782 days ago · 10 km deep · 100 km away
- 2.321 km ENE of Ashford, Washington · 8779 days ago · -2 km deep · 78 km away
- 1.618 km SSE of Carbonado, Washington · 8773 days ago · 11 km deep · 95 km away
- 1.620 km ENE of Ashford, Washington · 8760 days ago · 8 km deep · 79 km away
- 2.913 km WSW of Royal City, Washington · 8748 days ago · 2 km deep · 95 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10578233. Read Sun, Oct 4, 2026, 3:21 PM UTC.