What does cirro-stratus mean? Definitions for cirro-stratus Here are all the possible meanings and translations of the word cirro-stratus. Webster Dictionary (0.00 / 0 votes) Rate this definition:
A quick or sharp movement from the glacier could cause the crevasse. Fast increases in temperature or the overall global warming can cause the glaciers to form crevasses as well. Also in some cases water flows can cause or deepen crevasses.
Lava domes are formed when erupting lava is too thick to flow and makes a steep-sided mound as the lava piles up near the volcanic vent. The eruption of Mount St. Helens in 1980 was caused in part by a lava dome shifting to allow explosive gas and steam to escape from inside the mountain.