crater Kerid is the northernmost one of the crater row called
Tjarnarholar. It is
elliptic in shape, 270 m long, 170 m wide, and 55 m deep.
The pond in it is 7-10 m deep, depending on the ground water
level of the area.
crater row along with the cluster of larger craters further east, called
Seydisholar, and the lava field are about 6000 years old.
In 1990, a concert was held on a raft on the crater pond
with the audience sitting in the grassy slopes inside it.
This was repeated on large rubber boats in August 2004 and 2005.