11/9/2025 Off the Shore of Honshu, Japan 6.8

11/9/2025 Off the Shore of Honshu, Japan 6.8 map showing the earthquake location
11/9/2025 Off the Shore of Honshu, Japan 6.8 focal mechanism

Earthquake DetailsSeismogram Explanation
Location: Off the Shore of Honshu, Japan P-wave: 08:16:14 UTC; 2:16:14 AM CST
Date: November 9, 2025S-wave: 08:26:46 UTC; 2:26:46 AM CST
Time: 08:03:37 UTC; 2:03:37 AM CSTThe vertical axis is in units of displacement in centimeters.
Latitude: 39.40 NThe horizontal axis is in units of time in seconds.
Longitude: 143.41 EThe beginning of the file is the origin of the event.
Magnitude: 6.8 Mw 
Depth: 11.5 km 
Distance: 85.38 degrees (~5,779 miles from Milwaukee) 

 

UWM Land Acknowledgement: We acknowledge in Milwaukee that we are on traditional Potawatomi, Ho-Chunk and Menominee homeland along the southwest shores of Michigami, North America’s largest system of freshwater lakes, where the Milwaukee, Menominee and Kinnickinnic rivers meet and the people of Wisconsin’s sovereign Anishinaabe, Ho-Chunk, Menominee, Oneida and Mohican nations remain present.   |   To learn more, visit the Electa Quinney Institute website.