M4.9 Earthquake near Carlsberg Ridge — April 18, 2026
2026-04-18 06:04:35 UTC (1 day ago)
Aftershock of the M5.5 mainshock.
On April 18, 2026 at 06:04 UTC, a magnitude 4.9 shallow crustal earthquake struck near Carlsberg Ridge, at a depth of 10.0 km and coordinates 6.4842°, 60.2475°. This earthquake was detected by 46 seismic stations with excellent location accuracy and was assigned a USGS significance rating of 369, placing it among routine seismic activity.
This earthquake is part of an ongoing aftershock sequence following the magnitude 5.5 mainshock that occurred 1 day ago near Carlsberg Ridge. Since the mainshock, the USGS has recorded 1 aftershocks in this area. Aftershock activity is expected to continue for days to weeks as stresses on surrounding faults redistribute.
Earthquake Details
60.2475°E
Technical Information
Nearby Earthquakes (Last 7 Days)
Common Questions
How strong was the magnitude 4.9 earthquake near Carlsberg Ridge?
The magnitude 4.9 earthquake that struck near Carlsberg Ridge on April 18, 2026 at 06:04 UTC had a depth of 10.0 km. For context, this was a light earthquake commonly felt near the epicenter.
Where did the earthquake occur?
The earthquake epicenter was located at 6.4842°, 60.2475°, which is near Carlsberg Ridge.
Were there aftershocks?
Aftershock activity is monitored continuously by the USGS. Aftershock sequences from magnitude 4.9 earthquakes can continue for several days and gradually diminish over time.
Is this the same earthquake as the M5.5 one earlier?
No. This magnitude 4.9 earthquake is an aftershock of the larger magnitude 5.5 mainshock that occurred earlier near Carlsberg Ridge. Aftershocks are smaller earthquakes triggered by stress changes from the mainshock.
What should I do after an earthquake?
If you were in the affected area: check yourself and others for injuries, inspect your home for damage, and be prepared for aftershocks. For detailed guidance, see our earthquake safety guide and emergency planning resources.