00:00A rumble shakes Alaska's wild heart.
00:02A 4.6 magnitude earthquake just hit near Mount Spur, a volcano under serious watch.
00:08The tremor struck 86 miles from the volcano and was felt over 100 miles away in Anchorage.
00:14Nearly 200 residents reported feeling the ground shift.
00:18But here's the catch.
00:19Mount Spur has been bubbling with quiet warning signs for months.
00:23Experts say when a volcano is already restless, even a nearby quake can tip it over the edge.
00:29Stress buildup and magma pressure are all in play right now.
00:32And history tells us eruptions have followed similar patterns before.
00:35The last big one at Mount Spur was in 1992.
00:38And guess what?
00:39It came after shaky weeks like this.
00:41If the volcano erupts now, it could fire ash plumes 50,000 feet into the sky.
00:47Ash could blanket Anchorage.
00:49And massive debris flows could speed down the slopes at 200 miles per hour.
00:53Luckily, no communities lie right on the danger zone.
00:57But the threat from ash, mudslides, and flight disruptions is very real.
01:01With every tremor, nature reminds us she's not done yet.
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