A Tonga volcano eruption was so powerful that its shock waves were detected thousands of miles away in Chicago.
was so powerful that its shock wave caused changes in air pressure detected thousands of miles away in Chicago
The other side of the shock wave, which moved west from the eruption, circled the globe before reaching the Chicago area early Sunday morning, caused more pressure fluctuations, the weather service said. "The atmosphere acts and behaves like a fluid, so if you were to throw a big rock into a large pool you would see the ripples coming out around where the rock hit the water," Izzi added."When the volcano erupted it was essentially the same thing. There was a massive disturbance that pushed air, just like a rock hitting the pool. The waves rippled out in every direction away from that volcano.
Satellite images showed the Saturday undersea eruption, with a plum of ash and steam rising above the water. New Zealand and Australia were able to send military surveillance flights to Tonga on Monday to assess the damage.
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