In contrast, magma with low silica content, such as that found in shield volcanoes like Mauna Loa, is less viscous, allowing gases to escape more easily, resulting in effusive eruptions.

相比之下，硅含量低的岩浆（例如莫纳罗亚岛盾状火山中的岩浆）粘度较低，使气体更容易逸出，从而导致喷发。