2
Recorded earthquakes
region
September 2025
Mariana Islands region earthquakes in September 2025
Earthquake archive for Mariana Islands region in September 2025: 2 recorded events with dates, magnitudes, depths and epicenter details.
Overview
Period at a glance
4.4
Strongest magnitude
4.2
Average magnitude
174.7 km
Average depth
Strongest event
4.4
15 Sep 2025
Mariana Islands region, Unknown
Depth
35.0 km
UTC
15:32:39
Coordinates
20.291, 146.141
Analysis of the recorded activity
During September 2025, 2 earthquakes were recorded near Mariana Islands region. Magnitudes ranged from 4.1 to 4.4, with an average of 4.3; depths ranged from 35.0 to 314.4 km, averaging 174.7 km. Activity extended from Monday, September 15, 2025 to Tuesday, September 30, 2025 UTC.
Only 2 earthquakes in the current catalogue match this period and location.
Event list
All earthquakes
Mag
Location
Details
4.4
35.0 km
Mariana Islands region, Unknown
15 Sep 2025 15:32:39 UTC
4.1
314.4 km
Mariana Islands region, Unknown
30 Sep 2025 16:46:17 UTC