This record made by the seismograph is called a seismogram. When you look at a seismogram, there will be wiggly lines all across it. These are all the seismic waves that the seismograph has recorded.

The unit is a horizontal beam seismograph that is designed to continuously record vertical changes in ground movement. The seismogram below is refreshed once every five minutes. The seismogram above ...

This seismogram shows a 24-hour record of how much the ground moves at Weston Observatory in Weston, Massachusetts. Viewing other seismic stations will show you how much the ground moves in those ...

The abrupt motion of the rock causes its seismic signal to appear abruptly on a seismogram. Even though the way they are produced is different, seismograms produced by volcano-tectonic earthquakes ...

You may choose to show a close-up of a record (seismogram) for a single earthquake event, and ask your students to point out different seismic waves. In addition, shear waves cause much more ...

The Volcanological Survey of Indonesia (PVMBG) reported the activity of Mount Marapi in West Sumatra has been increasing ...

Head of the Geological Agency Muhammad Wafid said a series of eruptions of Mount Lewotobi Laki-laki has occurred since ...

Two powerful secondary eruptions on Mount Lewotobi Laki-laki in East Flores, East Nusa Tenggara, on Friday afternoon prompted ...

The National Disaster Mitigation Agency (BNPB) plans to reactivate several drilled wells in East Flores, East Nusa Tenggara ...