Earthquakes & volcanoes  [electronic resource]. 
 Earthquakes and volcanoes 

 -  U.S. Geological Survey ;  For sale by the Supt. of Docs., U.S. G.P.O.,  1986- 
 - Bimonthly 
 - Vol. 18, no. 1- Ceased with v. 25, no. 2 published in 1995. 
<br/><br/> Title from cover.  Imprint varies: Reston, Va., <1988>-19 ; Denver, CO, <1992- >  Periodical 
<br/><br/>Issues for v. 22 have 1990 following numeric designation, issues for v. 23 have 1992 following numeric designation; 1991 has been skipped. 
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<br/><br/><label>ISSN: </label>0894-7163 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earthquakes--Periodicals.<br/>Volcanoes--Periodicals.
<br/><br/><label>LC Class. No.: </label>QE531  / .N32a 
<br/><br/><label>GPO Item No.: </label>0191-A 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 19.65: