Icelandic scientists and laymen throughout the countryside have monitored volcanoes and earthquake zones for a long time. In recent years, technical equipment has been developed which enables much more effective work. Included are seismometers and inclinometers, devices which can detect small changes in land elevation in volcanic areas. A network of such monitors and seismometers is now in use, monitoring for example, Mt. Hekla, Katla and the Krafla volcano as... see more