Preliminary earthquake report :  Magnitude 4.6 Galapagos Island Region / 
United States Geological Survey, National Earthquake Information Center. 
 - Denver, Colorado, USA ;  United States Geological Survey, National Earthquake Information Center,  2006. 
 - 1-2 p. 
<br/><br/> http://neic.usgs.gov/neis/bulletin/neic_npan.html 
<br/><br/><br/>Inglés 
<br/><br/><label>ISBN: </label> Normal 
<br/><br/><label>Subjects--Index Terms: </label>Earthquake Terremoto 
<br/><br/><label>Dewey Class. No.: </label>551.22