Earthquakes For The Past 4 Hours - National USData: Map Chronological

Earthquake Events Summary for The Past 4 Hours
Total Earthquakes:	23
Richter Scale 1 - 1.9 (Faint):	17
Richter Scale 2 - 2.9 (Faint):	1
Richter Scale 4 - 4.9 (Light):	5