Earthquake Magnitude Scale Magnitude Earthquake Effects Estimated Number Each Year 2.5 or less Usually not felt, but can be recorded by seismograph. Millions 2.5 to 5.4 Often felt, but only causes ...
The institute publishes three types of seismic bulletins: automatic and analyst-reviewed bulletins and different types of earthquake lists. You may use the earthquake search tool to search seismic ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback