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 (_).
Underscore and underline. An underscore is different than an underline. If you are trying to underline any letter, number, or other text, the underline feature should be used. The underscore, by contrast, takes the place of another character, like a number, letter, or symbol.ow to create an underscore. Creating the _ symbol on a U.S. keyboard. To create an underscore, hold down the Shift key and press the  -  (hyphen) key to the right of the 0 (zero) key on the top row of your keyboard.