Scientists are still discovering new aspects of eruption of an underwater volcano near Tonga last year that sent plumes of ash 35 miles above the ground. The latest finding of this powerful eruption of Hunga Tonga-Hunga Ha’apai indicates the blast was strong enough to cause plasma bubbles in the ionosphere that can disrupt satellite communications.

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Source: Hot Hardware – Undersea Tonga Volcano Eruption Created Plasma Bubbles That Disrupted Space Satellites