Search Results for: seismo

About the Seismographs and Helicorder pages


Each region contains links (underlined) for seismograms / helicorders that are relevant to that region. If the item is not underlined there is no information for that area yet. Use the navigation links below to go directly to a region, … Continue reading

| Leave a comment

Seismograph Stations – where are publicly available ones sited?


Idle curiosity really. There are around 2000 seismograph stations that are available for data access publicly. They are scattered around the world, but where? (Bear in mind while looking at these that there are also many more that are not … Continue reading

Posted in Earthquake, Science and technology | Tagged , | 2 Comments

Types of seismometer


Long Period Seismometer A long period seismometer is an instrument in which the resonant frequency is very low. The lag between the seismometer and the ground motion becomes zero and the amplitude of the seismometer displacement becomes equal to the … Continue reading

| 8 Comments

Understanding Seismograms and Earthquakes


This page is all about learning how to read seismograms, however many of the links referenced cover the subject of earthquakes as a whole. For the most part it relates to earthquakes, but there are some specific volcano related materials … Continue reading

| Leave a comment

Check page for understanding seismos


If you chose this one then well done. Now check out the Phase data and the Travel times.

| Leave a comment

Understanding Seismograms & LISS Helicorders


When you can ‘read’ a seismogram or helicorder you can find out which earthquake made the ‘squiggle’ on the plot. (Note: Links on this page open in the same page so use ‘back’ to get back to the turotial) Sometimes … Continue reading

| Leave a comment

Seismos / Helis / Tremor Plots


Each region contains links (underlined) for seismograms / helicorders that are relevant to that region. If the item is not underlined there is no information for that area yet. Use the navigation links below to go directly to a region, … Continue reading

IRIS Audio File URL Builder


Home View Menu Web Menus Data Menu Tools Menu Data Centre Services Installer Alerts Tool The IRIS Audio file URL builder creates and launches a URL directed at the IRIS Time Series data service. This return a WAVE file (Sound … Continue reading

| 1 Comment

Preset Searches


Seismo

| Leave a comment

Earthquake Point Energy -v- Earthquake Point Density


The question: Is there a useful dataset to be derived from earthquake point density as opposed to earthquake energy density, or do both have a role to play? First let me define these two terms in order to be clear. … Continue reading

Posted in Earthquake, World seismicity | Leave a comment