Hawai’i is a marvellous place for a seismograph. There is something to see every day. HVO has been at the forefront of this, and had as many as 7 seismometers already in the 1940’s.Their ...
There are over 1,500 active volcanoes around the Earth with an average of 50-70 eruptions per year. According to VolcanoDiscovery.com, as of the weekend, there are 36 volcanoes that are currently ...