M1.8 earthquake 7 km SE of Marlin, Washington
A magnitude 1.8 earthquake struck 7 km SE of Marlin, Washington on Tue, Apr 29, 1986, 7:11 PM PDT (02:11 UTC), 11 km (7 mi) below the surface.
A larger quake followed: M2.4 10 km ESE of Marlin, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.8 (md), micro
- Local time
- UTC
- 1986-04-30 02:11:35 UTC
- Depth
- 11.2 km (6.9 mi), shallow
- Epicenter
- 47.353° N, 118.920° 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 2.8 km horizontally, 3.0 km in depth
- Magnitude uncertainty
- ±0.11
- Depth from
- From location
- Station coverage gap
- 133°
- Stations used
- 11
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 3 in the 60 days after this one and 4 in the 30 days before it.
After
- 2.410 km ESE of Marlin, Washington · 14735 days ago · 7 km deep · 4 km away
- 1.817 km NNW of Banks Lake South, Washington · 14734 days ago · 0 km deep · 58 km away
- 1.914 km ESE of Mansfield, Washington · 14708 days ago · 0 km deep · 61 km away
Before
- 2.313 km N of Almira, Washington · 14773 days ago · 6 km deep · 53 km away
- 2.611 km SW of Quincy, Washington · 14777 days ago · 3 km deep · 81 km away
- 1.810 km W of Mansfield, Washington · 14777 days ago · 11 km deep · 82 km away
- 1.95 km ENE of Entiat, Washington · 14778 days ago · 4 km deep · 99 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10205463. Read Wed, Sep 23, 2026, 4:50 AM UTC.