Here are some of the most common types of eruptions: In a Hawaiian eruption, fluid basaltic lava is thrown into the air in jets from a vent or line of vents (a fissure) at the summit or on the flank of a volcano.
The underscore sign is mainly used to show a space where a space is not allowed, such as in internet usernames, email addresses and some computer programs. The underscore looks like a dash below the letters (_).
The underscore key on an American or British keyboard layout is on the same key as the hyphen, and can be used by holding down one of the shift keys and pressing the hyphen key. It is found to the right hand side of the 0 key at the top of the keyboard. Know More.