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Ejecta
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<p>Ejecta are <a href="/facts/Particle/JHKr2w6h">particles</a> ejected from an area. In <a href="/facts/Volcanology/p7Ye3qgb">volcanology</a>, in particular, the term refers to particles including <a href="/facts/Pyroclastic_rock/5Hsu86hQ">pyroclastic</a> materials (<a href="/facts/Tephra/fYHmdLu1">tephra</a>) that came out of a <a href="/facts/Explosive_eruption/NkCmmgQG">volcanic explosion</a> and magma eruption <a href="/facts/Volcano/c2M5upml">volcanic</a> vent, or <a href="/facts/Volcanic_crater/7zad4bDT">crater</a>, has traveled through the air or water, and fell back to the ground surface or <a href="/facts/Seabed/VvxuEWJu">ocean floor</a>. </p>