2009 September Rainier Swarm
Inactive
Events121Latest2009/09/22Earliest2009/09/20Largest2.5Smallest-0.5
Group Parameters
Type
VolcanicStart
2009/09/20 07:00:00 AM UTCEnd
2009/09/23 06:59:00 AM UTCVolcano
Mount RainierCenter
46.853, -121.76Radius
6.21 mi