00:00Mount Rainier, one of the most dangerous volcanoes in the United States,
00:04is rumbling like never before.
00:06Over 1,000 earthquakes have shaken the mountains since July 8th.
00:10This isn't just rare.
00:11It's the largest earthquake swarm ever recorded at Rainier.
00:15The U.S. Geological Survey says most of these quakes are too small to feel.
00:19But experts admit they have no idea how long this will last.
00:23Usually, these swarms fade after a few days.
00:26This one has lasted weeks.
00:27While there's no sign an eruption is about to happen,
00:31Mount Rainier is still very much active.
00:33And it's dangerously close to major cities like Seattle and Tacoma.
00:37If it erupts, it's not lava we need to fear.
00:40It's lahars, fast-moving volcanic mudflows that can wipe out entire towns in minutes.
00:46The biggest concern?
00:48Scientists say the tremors are likely from water moving above the magma.
00:52Which means something is stirring below.
00:53And just 240 miles away, another volcano, Axial Seamount, is shaking too.
00:59Could the Pacific Northwest be waking up?
01:02Time will tell.
01:03But the ground is definitely talking.
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