M4.9 earthquake 30 km W of Yachats, Oregon
A magnitude 4.9 earthquake struck 30 km W of Yachats, Oregon on Mon, Jul 12, 2004, 9:45 AM PDT (16:45 UTC), 29 km (18 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (md), light
- Local time
- UTC
- 2004-07-12 16:45:00 UTC
- Depth
- 28.8 km (17.9 mi), shallow
- Epicenter
- 44.334° N, 124.489° W
- Region
- Oregon
- Felt reports
- 675
- Strongest shaking
- IV, light shaking
- PAGER alert
- Green
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- IV, light shaking
- Map
- Automatic
Did you feel it?
675 people reported to the USGS what they felt; the strongest reported shaking was IV, light shaking.
Estimated impact
The USGS PAGER system estimates deaths and economic losses from the shaking and the population and buildings exposed to it.
- Alert level
- Green: little or no damage or loss of life expected
Fault motion and ground failure
How the rock slipped, from the moment tensor, and the USGS estimate of landslides and liquefaction.
- Faulting
- Reverse (thrust)
- Nodal plane 1
- Strike 23°, dip 27°, rake 112°
- Nodal plane 2
- Strike 178°, dip 65°, rake 79°
How well it is located
Reviewed by a seismologist.
- Location uncertainty
- About 1.4 km horizontally, 0.8 km in depth
- Magnitude uncertainty
- ±0.05
- Depth from
- From location
- Station coverage gap
- 247°, poorly surrounded by stations
- Stations used
- 18
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 11 in the 60 days after this one and 1 in the 30 days before it.
After
- 2.731 km WNW of Yachats, Oregon · 8106 days ago · 28 km deep · 4 km away
- 3.332 km W of Yachats, Oregon · 8106 days ago · 29 km deep · 3 km away
- 2.233 km WNW of Yachats, Oregon · 8106 days ago · 25 km deep · 5 km away
- 2.332 km W of Yachats, Oregon · 8105 days ago · 0 km deep · 1 km away
- 2.832 km WNW of Yachats, Oregon · 8100 days ago · 26 km deep · 4 km away
- 2.531 km W of Yachats, Oregon · 8099 days ago · 23 km deep · 1 km away
- 2.330 km W of Yachats, Oregon · 8092 days ago · 25 km deep · 1 km away
- 4.719 km W of Newport, Oregon · 8069 days ago · 27 km deep · 40 km away · felt by 840
- 2.021 km W of Newport, Oregon · 8069 days ago · 26 km deep · 36 km away
- 2.522 km W of Newport, Oregon · 8069 days ago · 24 km deep · 37 km away
- 2.323 km W of Newport, Oregon · 8065 days ago · 23 km deep · 39 km away
Before
Earthquakes todayOregon earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event uw10609208 (also filed as usp000d01a, uw07121645, gcmtc071204b, gcmt20040712164500). Read Tue, Sep 22, 2026, 11:10 AM UTC.