International Disaster and Emergency Monitoring Center

Preliminary earthquake data and analysis


Earthquake Report
Base data
Event ID 1760604
Event time 2026-09-29 11:36:37 (UTC)
Local time 2026-09-29 18:36:37 - [It was evening in the affected area.]
Last update 2026-09-29 12:25:26 (UTC)
Magnitude 4.7
Depth 2.28 km
Class Light
Hypocenter Shallow depth
Mercalli scale 4
Possible effects Most people indoors feel movement. Hanging objects swing. Dishes, windows, and doors rattle. The earthquake feels like a heavy truck hitting the walls. A few people outdoors may feel movement. Parked cars rock.
Data status reviewed
Data provider USGS

Location
Continent North-America
Country USA
Administration area California
Nearest settlement Ferndale
Distance 102 km
Course W
Surface type underwater quake
Tsunami region North Pacific
Water surface name North Pacific Ocean



Risk Analisys
Nearest nuclear power plants
Humboldt Bay (111,18 km), Humboldt Bay (111,18 km)
Nearest marine ports
Fields Landing (109,87 km), Fields Landing (109,87 km), Eureka (115,45 km), Eureka (115,45 km), Samoa (116,10 km)
Nearest airports
Samoa Field Airport (112,45 km), Samoa Field Airport (112,45 km), Rohnerville Airport (113,28 km), Rohnerville Airport (113,28 km), Murray Field (121,16 km)
Nearest volcanoes
There is no known volcanoes nearby.
Quick Analysis
According to the epicenter of the quake, this is an underwater quake.