Department	Climate and Seismology
Division	Seismology
Address	P.O. Box 201 3730 AE De Bilt The Netherlands
Telephone	+31 30 2206335 (direct)
Fax	+31 30 2201364
Email
On Friday at	TU Delft

• Infrasound arrays in the Netherlands
  • 2007: Start construction of the Cabauw Infrasound Array - CIA
  • 2005: Construction of the LOFAR-KNMI Infrasound Array - EXL
  • 2004: Construction of the Texel Experimental Monitoring Array - TEMA
  • 2003: Reconstruction of the Witteveen Infrasound Array - WIT
  • 2002: Upgrade of the De Bilt Infrasound Array - DBN
  • 1999: Construction of the Deelen Infrasound Array - DIA

• Live infrasound
  
  • LOFAR-KNMI Exloo and online data through EXL online
    
  • De Bilt and online data through DBN online
    

• Interesting infrasonic events
  

• Geophysical investigations for fault identification in paleoseismology
  An extended abstract on the use of geophysical techniques in fault identification.

The inaudible symphony: on the detection and source identification of atmospheric infrasound Author: Läslo G. Evers ISBN 978-90-71382-55-0, 170 pages, 2008 Supervisors: Prof.dr. D.G. Simons (Aerospace Engineering) Prof.dr.ir. A. Gisolf (Applied Sciences, TU Delft) High resolution (18Mb, 300dpi) Medium resolution (11Mb, 150dpi) Low resolution (9.5Mb, 72dpi)

Hardcopies available upon request.

• Frequency response and design parameters for differential microbarometers
  J. Mentink and L.G. Evers, Journal of the Acoustical Society of America, vol 130 no 1, 33-41, 2011. doi: 10.1121/1.3596718
• A climatology of infrasound detections in Northern Norway at the experimental ARCI array
  L.G. Evers and J. Schweitzer, Journal of Seismology, vol 15, 473-486, 2011. doi: 10.1007/s10950-011-9237-8
• Long-range acoustic observations of the Eyjafjallajökull eruption, Iceland, April-May 2010
  Matoza, R., J. Vergoz, A. Le Pichon, L. Ceranna, D. Green, L.G. Evers, M. Ripepe, P. Campus, L. Liszka, T. Kvaerna, E. Kjartansson and A. Höskuldsson, Geophysical Research Letters, vol 38, L06308, 2011. doi: 10.1029/2011GL047019
• The infrasonic signature of the 2009 major Sudden Stratospheric Warming
  L.G. Evers and P. Siegmund, Geophysical Research Letters, vol 36, L23808, 2009. doi: 10.1029/2009GL041323
• Assessing the performance of the International Monitoring System infrasound network: Geographical coverage and temporal variabilities
  A. Le Pichon, J. Vergoz, E. Blanc, J. Guilbert, L. Ceranna, L.G. Evers and N. Brachet, Journal of Geophysical Research, vol 114, D08112, 2009. doi:10.1029/2008JD010907
• Evidence of a meteoritic origin of the September 15th, 2007 Carancas crater
  A. Le Pichon, K. Antier, Y. Cansi, B. Hernandez, E. Minaya, B. Burgoa, D. Drob, L.G. Evers and J. Vaubaillon, Meteoritics and Planetary Science, vol 43 no 11, 1797-1809, 2008.
• Characterization of infrasound from lightning
  J.D. Assink, L.G. Evers, I. Holleman and H. Paulssen, Geophysical Research Letters, vol 35, L15802, 2008. doi: 10.1029/2008GL034193
• Seismo-acoustic analysis of the Buncefield oil depot explosion in the UK, 2005 December 11
  L. Ottemöller and L.G. Evers, Geophysical Journal International, vol 172 no 3, 1123-1134, 2008. doi: 10.1111/j.1365-246X.2007.03701.x
• Infrasonic forerunners: Exceptionally fast acoustic phases
  L.G. Evers and H.W. Haak, Geophysical Research Letters, vol 34 no 10, L10806, 2007. doi:10.1029/2007GL029353
• A seismoacoustic analysis of the gas-pipeline explosion near Ghislenghien in Belgium
  L.G. Evers, L. Ceranna, H.W. Haak, A. Le Pichon and R.W. Whitaker, Bulletin of the Seismological Society of America, vol 97 no 2, 417-425, 2007. doi:10.1785/0120060061
• The detectability of infrasound in the Netherlands from the Italian volcano Mt. Etna
  L.G. Evers and H.W. Haak, Journal of Atmospheric and Solar-Terrestrial Physics, vol 67 no 3, 259-268, 2005. doi:10.1016/j.jastp.2004.09.002
• Tracing a meteoric trajectory with infrasound
  L.G. Evers and H.W. Haak, Geophysical Research Letters, vol 30 no 24, 2246, 2003. doi:10.1029/2003GL017947
• Geophysical investigations along the Peel boundary fault (The Netherlands) for a paleoseismological study
  D. Demanet, L.G. Evers, H. Teerlynck, B. Dost and D. Jongmans, Neth. Jour. of Geosciences/Geologie en Mijnbouw, vol 80 no 3-4, 119-127, 2001.
• Listening to sounds from an exploding meteor and oceanic waves
  L.G. Evers and H.W. Haak, Geophysical Research Letters, vol 28 no 1, 41-44, 2001. doi:10.1029/2000GL011859
• The Deelen Infrasound Array for recording sonic booms and events of CTBT interest
  L.G. Evers, H.-E. de Bree, H.W. Haak and A.A. Koers, Journal of low frequency noise, vibration and active control, vol 19 no 3, 123-133, 2000.

• Seismo-acoustic analysis of the infrasound events on 2010, February 03
  Läslo G. Evers, KNMI Technical Report (TR-314), 2010.
• An optimal infrasound array at Apatity (Russian Federation)
  Läslo Evers and Hein Haak, KNMI publication 195, 2001.
• Seismo-akoestische analyse van de explosies bij S.E. Fireworks Enschede, 13 mei 2000
  L.G. Evers en H.W. Haak, KNMI Technical Report (TR-227), 2000.
• The Deelen Infrasound Array: on the detection and identification of infrasound
  L.G. Evers and H.W. Haak, KNMI Technical Report (TR-225), 2000.

Earlier reports on infrasound by H.W. Haak

• An acoustical array for subsonic signals
  H.W. Haak, KNMI publication WR 96-03, 1996.
• Microbarograph Systems for the infrasonic detection of nuclear explosions
  H.W. Haak and G.J. de Wilde, KNMI publication WR 96-06, 1996.

• Observation of the Sudden Stratospheric Warming in the Southern Hemisphere of 2010 using Infrasound
  Pieter Smets, Masters thesis, supervision: Dr. Läslo G. Evers and Prof.dr. D.G. Simons (TU Delft), 2011.
• Infrasound analysis of I18DK, northwest Greenland
  Kees Weemstra, Masters thesis, supervision: Dr. Läslo G. Evers and Dr. Hanneke Paulssen (Utrecht University), 2010.
• Infrasound source location
  Sven A. Briels, Masters thesis, supervision: Dr. Läslo G. Evers and Prof.dr. D.G. Simons (TU Delft), 2010.
• The inaudible sound of thunderstorms
  Jelle D. Assink, Masters thesis, supervision: Drs. Läslo G. Evers, Dr. Hanneke Paulssen (Utrecht University) and Dr. Iwan Holleman, 2007.
• Seismic event detection using arrays - A comparison of 2 approaches
  G.J. van den Hazel, Bachelor thesis, supervision: Dr. K. Roy-Chowdhury (Utrecht University), 2007. Carried out in the framework of an internship at KNMI.
• Exploring the boundaries of the Fisher and PMCC signal-detectors using infrasound signals
  Lucas Caljé, Masters thesis, supervision: Dr. Hein W. Haak, Drs. Läslo G. Evers and Dr. Hanneke Paulssen (Utrecht University), Sept 2005.
• Infrasonic wave propagation through the atmosphere
  Mark E. Petit, Masters thesis, supervision: Dr. Hein W. Haak, Drs. Läslo G. Evers and Dr. Hanneke Paulssen (Utrecht University), Nov 2000.

• The hunt for infrasound
  ir. S.A. Briels and dr. Läslo G. Evers, Leonardo Times, Year 14, no 2, pg 36-37, June 2010.
• The Characteristics of Infrasound, its Propagation and Some Early History
  L.G. Evers and H.W. Haak, In: Infrasound Monitoring for Atmospheric Studies, A. Le Pichon, E. Blanc and A. Hauchecorne (Eds.), ISBN: 978-1-4020-9507-8, pg 3-27, Springer, 2010.
• Ground Truth Events: Assessing the Capability of Infrasound Networks Using High Resolution Data Analysis
  D. Green, A. Le Pichon, L. Ceranna and L.G. Evers In: Infrasound Monitoring for Atmospheric Studies, A. Le Pichon, E. Blanc and A. Hauchecorne (Eds.), ISBN: 978-1-4020-9507-8, pg 599-625, Springer, 2010.
• Imaging the atmosphere with infrasound
  L.G. Evers, Proc. Internoise 2009, Ottawa, Canada, 1-9, 2009.
• Direction of Arrival estimates with vector sensors: First results of an atmospheric infrasound array in the Netherlands
  Zon, T. van, L.G. Evers, R. van Vossen and M. Ainslie, Proc. Underwater acoustic measurements, Techologies and Results, Nafplion, Greece, FORTH, 1-6, 2009.
• De onhoorbare symfonie (in Dutch)
  Läslo G. Evers, Ned. Tijdschrift voor Natuurkunde, jaargang 75, nummer 5, mei 2009.
• Het hoe, wat en waarom van infrageluidmetingen (in Dutch)
  Läslo G. Evers, Meteorologica, jaargang 18, nummer 1, maart 2009.
• Oor in de grond (in Dutch)
  Lex Veldhoen, Natuurwetenschap en Techniek, jaargang 76, nummer 4, april 2008.
• Listening to inaudible sound: towards acoustic remote sensing with infrasound
  drs. Läslo G. Evers, dr. Jelle de Plaa and Prof. dr. Dick G. Simons, Leonardo Times, Year 11, no 1, pg 12-13, March 2008.
• Validation of an operational lightning detection system
  I. Holleman, H. Beekhuis, S. Noteboom, L. Evers, H. Haak, H. Falcke, and L. Bähren, ILDC conference paper, pg 1-16, 2006.
• Infrasound monitoring in the Netherlands
  Läslo Evers, Journal of the Nederlands Akoestisch Genootschap, no 176, pg 1-11, Sept 2005.
• Infrasound as a tool for CTBT verification
  Hein Haak and Läslo Evers, VERTIC Yearbook, pg 207-221, 2002.
• De doorbroken stilte rondom meteoren (in Dutch)
  Läslo Evers, Meteoor, Jaargang 58 no 2, juli 2002.
• Luisteren naar de Etna (in Dutch)
  Läslo Evers, National Geographic, februari 2002.
• Summary of the Infrasound Technology Workshop 2002
  Evers, L.G. and H.W. Haak, National Paper CTBTO, CTBT/WGB-20/NL/1, 2002.
• Paleoseismology: in search of large earthquakes
  Bernard Dost and Läslo Evers, Climate Research and Seismology-Biennial Report, 2001.
• Contribution to The Microflown
  Hans-Elias de Bree, E-Book, 2001.
• The Deelen Infrasound Array for recording sonic booms and events of CTBT interest
  Haak, H.W., L.G. Evers and M.E. Petit, Ninth Annual International Symposium on Long-Range Sound Propagation, The Hague, 221, 2001.
• Mapping the lowermost mantle anomaly beneath northern Siberia using PcP precursors from near grazing incident P-waves
  L.G. Evers, Masters thesis, supervision: Dr. H. Paulssen and Drs. Martin Schimmel, August 1996.

• Stratospheric returns from explosions
  L.G. Evers, A. van Geyt, P. Smets and J. Fricke, 2011
• A Large Aperfture Infrasound Array for Interferometric Studies
  Fricke, J.T., E.N. Ruigrok, L.G. Evers, K. Wapenaar en D.G. Simons, 2011
• A large aperture infrasound array in the Netherlands
  Johan Mentink and Läslo Evers, 2008.
• Characterization of infrasound from lightning
  Jelle Assink, Läslo Evers, Iwan Holleman and Hanneke Paulssen, 2008.
• Seismo-acoustic analysis of explosions
  Läslo Evers, Hein Haak and Ernst Jaarsma, 2005.
• Array technology applied to infrasound measurements
  Läslo Evers and Hein Haak, 2004.
• Monitoring infrasound in The Netherlands from the 2001 Etna eruptions
  Läslo Evers and Hein Haak, 2002.
• Probing the atmosphere with infrasound
  Läslo Evers and Hein Haak, 2001.
• The Deelen Infrasound Array - meteor record
  Läslo Evers and Hein Haak, 2000.

• The annual Infrasound Technology Workshop was held in The Netherlands from 28 through 31 October 2002. The Royal Netherlands Meteorological Institute hosted the workshop. The workshop was organized in cooperation with the Provisional Technical Secretariat of the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization. The presentations can be found here.