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Displacement waveform recorded at San Pablo, Spain. The earthquake is a moderate sized event (Mw = 5.8) which occurred in central India. The event was unusually deep for an intraplate event (36+/-4 km), resulting in a very clean waveform at teleseismic distances. The record is essentially three pulses: direct P, pP (delayed by 11 seconds, negative polarity) and sP (14 seconds behind P, negative polarity) The ratio of the three phases can be used to determine the focal mechanism, which is an east-west striking thrust.
Terry Wallace University of Arizona

Table of Contents

Articles

A short walk up a Naked Mountain

Real time access to multiparameter geophysical observatories in Northern California

Testimony in Support of NEHRP

In Memory of Dr. Robert P. Meyer

FISSURES: A Workshop on a Framework for Seismic Software

Applying UNIDATA´s IDD/LDM to SPYDER® Data

Lessons from Armenia and Sakhalin for Central Asia

IRIS Headquarters New Offices

Features

Staff News

GSN Update

Calendar

New Members

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