M1.9 earthquake 6 km SW of Connell, Washington
A magnitude 1.9 earthquake struck 6 km SW of Connell, Washington on Thu, Jul 13, 1978, 4:51 AM PDT (11:51 UTC), 8 km (5 mi) below the surface.
A larger quake followed: M2.2 14 km W of Othello, Washington. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.9 (md), micro
- Local time
- UTC
- 1978-07-13 11:51:29 UTC
- Depth
- 7.9 km (4.9 mi), shallow
- Epicenter
- 46.623° N, 118.924° 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 0.0 km horizontally, 0.1 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- Operator assigned
- Station coverage gap
- 195°, poorly surrounded by stations
- Stations used
- 6
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 2 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.214 km W of Othello, Washington · 17601 days ago · 0 km deep · 41 km away
- 2.122 km WSW of Othello, Washington · 17571 days ago · 14 km deep · 40 km away
Before
Earthquakes todayWashington earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10847468. Read Wed, Sep 23, 2026, 2:42 PM UTC.