Translation guide
A lava dome is a mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano. In Japanese, the most common term is 溶岩ドーム, but other related terms exist depending on context.
Referring to the volcanic landform itself, a mound of viscous lava.
The standard term for a lava dome in geology and volcanology. Combines 溶岩 (lava) and ドーム (dome).
昭和新山は溶岩ドームです。
Showa-shinzan is a lava dome.
Literally 'dome-shaped lava'. Used to describe the lava formation rather than the landform itself.
ドーム状溶岩が観察された。
Dome-shaped lava was observed.
A more technical term, literally 'lava round-top hill'. Used in academic or formal contexts.
この地域には多くの溶岩円頂丘があります。
There are many lava domes in this area.