after a while, the surface of the lava lake begins to swell up. to a height of about 50 centimeters, proof that the pressure of the lava that boils up from underground is extremely high. this cycle repeats itself about once every 20 minutes. it is as if the earth itself is breathing. ♪ ♪ the danakil lowlands, ethiopia, the land below the sea. there are up to 30 volcanoes concentrated in this area. why is it that so many volcanoes were formed right here? the clue to solving this mystery lies near erta ale. this is a volcano called dallol. the very flat shape of the crater makes it extremely unique. vivid colors can be seen within the crater. minerals from below the surface, such as sulfur, iron and salt, spring up along with hot geyser water create this mysterious spectacle. the many volcanoes in the danakil lowlands are deeply related to the tectonic rifting that has been going on for 30 million years. 30 million years ago, the african continent and the arabian peninsula were connected. later, a part of the arabian peninsula moved significantly ea

lava at kilauea in hawaii. it is not threatening any homes but creating a show for people who fly over the volcano. this photo shows the glow ayla have lakehe volcano. the lava is entering the sea at several locations this picture shows the large amount of steam generated by the lava as it hits the water. it is a beautiful but powerful indication of what mother nature can do. >>> next, dozens of bay area teens on a ski trip caught with a trove of drugs and alcohol. why police let them off the hook? >> reporter: i'm terry mcsweeney live in san jose with the story of a 16-year-old girl smacked in the head during a hockey game. the question for police, was it an accident or an assault? the story coming up in a live report. >>> good morning waking up to cloudy skies. mist, drizzle and fog pervasive around the bay area if you are heading out of town, there are delays at chicago o'hare airport where we see a little rain mixed with snow. mild temperatures in the northeast, definitely call ahead, that fog could be causing a problem throughout the day. back in a minute. >> [ female announcer ] lactaid milk is easy to digest. it's real milk full of