Tags » Seismology

Sound of the Moving Earth

What do you think an earthquake would sound like if you could hear it?

Here’s a sample (opens in a new tab).

http://geophysics.eas.gatech.edu/people/zpeng/Japan_20110311/HTAH.EHZ.SAC.wav

The audio was generate by processing seismic data. 88 more words

Geophysics

Groundbreaking year of earthquakes

If I were to ask you how many of the Top 50 highest mountains in the world are located in Asia, what would it be? 747 more words

Science

The sound of earthquakes

During the last days before christmas, our graduate program organized a public speaking workshop at the university. During these days we spent some time training interviews and we had some lectures on preparing for… 249 more words

StRATEGy

Travel-time curve calculation for the Spherical Earth (PREM Model)

I have used the Preliminary Reference Earth Model of Dziewonski and Anderson (1981) to calculate the travel time curve. This model is very robust in the sense that it is designed to fit a wide variety of data including free-oscillation, surface wave dispersion observations, , travel time data for a number of body wave phases etc. 2,146 more words

Utpal Kumar (IES, Academia Sinica)

Clean(ish)

The seismometers were nestled all snug in their beds

With most of the field dirt removed from their heads…

Wordless Wednesday

Ray tracing through a 1-D velocity model

Refer to Chapter 4 of Shearer, Introduction to Seismology.

For a ray piercing through Earth, the ray parameter (or horizontal slowness) p is defined by several expressions: 395 more words

Seismology

Undersea volcano's rumblings revealed

An underwater seismic network pioneered by the University of Washington and other institutions is revealing how thousands of tiny shocks can herald huge eruptions.

Results from the Ocean Observatories Initiative’s… 157 more words

GeekWire