|New Report Documents Design and Operation of Transportable Array 2019-02-07|
|IRIS Seismologist Kasey Aderhold Discusses Alaska Transportable Array on Kachemak Science 2018-12-29|
|2018 Board of Directors Election Results 2018-12-13|
|IRIS Appoints Jerry Carter as Next Director of Data Services 2018-12-07|
Large earthquakes are usually followed by hundreds and even thousands of smaller earthquakes, called aftershocks. In some earthquake sequences, a smaller earthquake called a “foreshock”, precedes the mainshock.
Placas Tectónicas: ¿Que son las Placas (litosféricas) tectónicas?