Have you heard the sound from a meteor simultaneously with the meteor's appearance?  Submit information about that event by filling the GEFS Data Submission Form, or send e-mail to The electrophonic sound is an extremely rare and mysterious natural phenomenon. Every witness report is of great importance for understanding this long-standing astronomical mystery. [read more] NEWS (November 2002): Almost 100 reports collected to date. A review and on-line database available (see " publications"). (the review paper published in WGN) NEWS (November 2002): GEFS has moved to a new web-server and now it has its own internet domain name: WWW.GEFSPROJECT.ORG NEWS (Dec 11,2001): Instrumental Recording of electrophonic sounds revealed surprises [read more] (published in the Journal of Geophysical Research) 2001 Leonids produced numerous electrophonic sounds. Read more on science@nasa All data collected by GEFS will be made public through "GEFS Newsletter" and WGN, the journal of the International Meteor Organization (IMO), with full reference on witnesses. GEFS (Global Electrophonic Fireball Survey) is a project of the University of Kentucky and Ecole Polytechnique Federale de Lausanne (EPFL) with the purpose of collecting witness reports of electrophonic sounds from meteors and coordinating research efforts.