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Thomas Lecocq @ the Royal Observatory of Belgium

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  • 2013
  • February

Month: February 2013

Old 16bit DOS programs on Windows 7 (x64)

19 February 201324 September 2013 Thomas LecocqInformation, Tips & Tricks

We needed to execute an old-but-working 16bits program to locate earthquakes called “HypoEllipse” (source), but calling it from the Windows 7 x64 boxes resulted in a nice : Bam ! Not working, sorry for you… No ! I say No…

16 bits, dos, earthquake, location, windows 74 Comments

Meteor in Russia – Seismic Signal ?

15 February 201324 September 2013 Thomas LecocqGéophysique - Geophysics, Information, Python, Séismologie - Seismology

Very early this morning, a meteor lit up the skies of Russia, somewhere close to Ekaterinburg. Same as for the Korean Boom Boom, we wanted to have a look at the seismic data of a close-by station to check if…

earthquake, iris dmc, meteor, numpy, obspy, python2 Comments

Plot waveforms of events on a dates axis

13 February 201324 September 2013 Thomas LecocqPython, Séismologie - Seismology

Following a question from my dear colleague Devy, here is how to plot a set of events, occurring at random moments in time. The idea is to plot the waveform of each event with the beginning at the top and…

earthquake, example, matplotlib, numpy, python1 Comment

North Korean nuclear tests with Obspy

12 February 2013 Thomas LecocqPython, Séismologie - Seismology

This morning, North Korea tested some nuclear “bomb” somewhere in the middle of the country (confirmed by Pyongyang officials and CTBTO), and many seismic sensors worldwide recorded the triggered waveforms. The location of the test is the same as the…

earthquake, korea, matplotlib, nuclear, numpy, obspy, python5 Comments

Seismicity Map and Rate using Basemap and Pandas

12 February 201324 September 2013 Thomas LecocqPython, Séismologie - Seismology

Imagine we want to plot a map of the seismic activity in NW-Europe and, at the same time, count the number events per month. To get a catalogue of earthquakes in the region, one can call the NEIC (note: this…

basemap, earthquake, example, pandas, python, statistics, tutorial, urrlib24 Comments

New Tutorial Series: Pandas

12 February 201324 September 2013 Thomas LecocqPython

In the coming months, I’ll prepare some tutorials over an excellent data analysis package called pandas ! To show you the power of pandas, just take a look at this old tutorial, where I exploited the power of itertools to…

matplotlib, numpy, pandas, python, tutorialLeave a comment

Matplotlib Basemap tutorial 10: Shapefiles Unleached, continued

12 February 201324 September 2013 Thomas LecocqPython

Following the comments on this year-old post I’ve had a look at pyshp which seems a little more maintained (the last line in the changelog is 1 year old…), and it is indeed a quite nice piece of code. I…

basemap, example, mpl_toolkits, python, shapefile, tutorial17 Comments

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