International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis

Earthquake Report
Base data
Event ID 1584050
Event time 2026-02-27 15:10:49 (UTC)
Local time 2026-02-28 00:10:49 - [It was night in the affected area.]
Last update 2026-02-27 15:13:07 (UTC)
Magnitude 2.5
Depth 28.1 km
Class Micro
Hypocenter Shallow depth
Mercalli scale 1
Possible effects People do not feel any Earth movement.
Data status automatic
Data provider USGS

Location
Continent North-America
Country USA
Administration area Alaska
Nearest settlement Karluk
Distance 50 km
Course SW
Surface type underwater quake
Tsunami region North Pacific
Water surface name Gulf of Alaska

Overview map
Green circle [feel the Eq] 10 km, Orange circle 25 km, Yellow circle 75 km

Population map
Green circle [feel the seism activity] 10 km, Orange circle 25 km, Yellow circle 75 km

Risk Analisys
Nearest nuclear power plants
There is no known nuclear power plant nearby.
Nearest marine ports
Karluk (50,14 km), Karluk (50,14 km), Trap Point (53,95 km), Trap Point (53,95 km), Lazy Bay (54,79 km)
Nearest airports
Olga Bay Seaplane Base (44,09 km), Olga Bay Seaplane Base (44,09 km), Karluk Airport (50,18 km), Karluk Airport (50,18 km), Moser Bay Seaplane Base (53,00 km)
Nearest volcanoes
There is no known volcanoes nearby.
Quick Analysis
Due to the small magnitude of the earthquake and the moderate depth of the hypocenter, minimal damage is conceivable.According to the epicenter of the quake, this is an underwater quake.