M1.7 earthquake 19 km E of Cannon Beach, Oregon
A magnitude 1.7 earthquake struck 19 km E of Cannon Beach, Oregon on Tue, Jul 21, 1987, 8:58 PM PDT (03:58 UTC), 22 km (14 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 1.7 (md), micro
- Local time
- UTC
- 1987-07-22 03:58:03 UTC
- Depth
- 21.8 km (13.5 mi), shallow
- Epicenter
- 45.866° N, 123.709° W
- Region
- Oregon
- 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 1.0 km horizontally, 1.5 km in depth
- Magnitude uncertainty
- ±0.07
- Depth from
- From location
- Station coverage gap
- 203°, poorly surrounded by stations
- Stations used
- 19
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 1 in the 60 days after this one and 1 in the 30 days before it.
After
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10222183. Read Tue, Sep 22, 2026, 9:30 PM UTC.