Last updated: 2025-09-16T11:21:28.570431Z (all times in UTC)

Currently Active Swarms (Last 24 Hours)

Swarm ID / Overview Image	Map	# Events	Mmax	Location	First Event	Last Event	Last Alarmed Event

Swarms in Last 1 to 7 Days

Swarm ID / Overview Image	Map	# Events	Mmax	Location	First Event	Last Event	Last Alarmed Event
MountSt.Helens2025-4	Map	17	1.40	(46.196, -122.188) 6.5 km b.s.l.	2025-09-09T13:08:41.260000Z	2025-09-12T11:24:04.430000Z	No alarm

Swarms in Last 7 to 30 Days

Swarm ID / Overview Image	Map	# Events	Mmax	Location	First Event	Last Event	Last Alarmed Event
MountSt.Helens2025-3	Map	66	1.33	(46.202, -122.176) 6.9 km b.s.l.	2025-08-24T13:50:01.920000Z	2025-09-08T08:12:35.480000Z	No alarm
MountHood2025-3	Map	11	0.54	(45.333, -121.692) 3.9 km b.s.l.	2025-09-02T01:43:44.290000Z	2025-09-03T08:32:00.030000Z	No alarm

Full History