M4.9 earthquake 15 km ENE of Grindavík, Iceland
A magnitude 4.9 earthquake struck 15 km ENE of Grindavík, Iceland on Sat, Sep 15, 1973, 2:22 AM GMT (02:22 UTC), 33 km (21 mi) below the surface.
A larger quake followed: M5.2 9 km SE of Vogar, Iceland. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb, body-wave), light
- Magnitude from
- USGS National Earthquake Information Center
- Local time
- UTC
- 1973-09-15 02:22:15 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 63.873° N, 22.142° W
- Region
- Iceland
- 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.
- Depth from
- OPERATOR_ASSIGNED
- Stations used
- 60
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.9 and up: 3 in the 60 days after this one and 1 in the 30 days before it.
After
- 5.29 km SE of Vogar, Iceland · 19374 days ago · 2 km deep · 8 km away
- 4.75 km NE of Grindavík, Iceland · 19374 days ago · 5 km deep · 10 km away
- 4.18 km E of Vogar, Iceland · 19374 days ago · 33 km deep · 14 km away
Before
Earthquakes todayIceland earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00003ed. Read Fri, Oct 2, 2026, 5:45 PM UTC.