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Seismic zones, river deltas, landslides, fossil reptiles, and more new Geology science
Date:3/6/2012

implications of these data are that, in the event of fire, only the stability of buildings or structures built from tuff containing thermally unstable zeolites will suffer. Unfortunately, this includes the most widespread dimension stone in Neapolitan architecture. Heap and colleagues recommend that this information be considered during fire hazard mitigation in the Neapolitan area and that other tuffs used in construction worldwide should be tested in a similar way to assess their fire resistance.


Applying Benford's Law to volcanology
A. Geyer and J. Mart, Institut de Cincies de la Terra Jaume Almera, Consejo Superior de Investigaciones Cientfi cas, c/Lluis Sol i Sabaris s/n, 08028 Barcelona, Spain. Posted online 2 Mar. 2012; doi: 10.1130/G32787.1.

Benford's Law predicts that the distribution of first digits of real world observations is not uniform, but instead the lower digits (1, 2, and 3) occur more frequently than the higher ones (, 8, 9). It has been shown that the use of Benford's Law may help as a validity check on databases and that the first digit rule may provide new ways to detect anomalous signals in data sets. In fact, nonconformity to Benford's Law could be an indicator of (a) incompleteness, (b) excessive data round-off, or (c) data errors, inconsistencies, or anomalies. This law has long been known but has received little attention the earth sciences. In this work, A. Geyer and J. Mart of the Institut de Ciencias de la Terra Jaume Almera, Spain, first test the conformity of three volcanology-related data sets to Benford's Law: age and area of collapse calderas and the duration in days of the volcanic eruptions that occurred between 1900 and 2009 according to the Smithsonian's Global Volcanism Program catalogue. They also consider the relevance and potential utility of using Benford's Law to assess the integrity and authenticity of the presented volcanological data. The present analysis shows that excessi
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Contact: Christa Stratton
cstratton@geosociety.org
Geological Society of America
Source:Eurekalert

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