354 



SCIENCE 



[N. S. Vol. LII. No. 1346 



collect specimens and notes for the volcanolo- 

 gists in remote places may be organized. 



Education of the people in matters of earth- 

 quake-proof construction and safeguards 

 against disaster has been proved to be a prac- 

 ticable and effective method of meeting vol- 

 canic and seismic crises. 



Interest has recently developed in the earth 

 tide, changes of level about volcanoes and 

 measurable horizontal and vertical displace- 

 ments directly related to earthquakes. These 

 are matters for the national geodetic surveys 

 and for geophysical investigation of high 

 mathematical precision. 



The three groups of motives above enume- 

 rated, respectively, localized work, publication 

 and education, and precise geophysics are the 

 fundamenta on which the following seismo- 

 logic and volcanologic resolutions of the con- 

 ference are built. 



1. Establishment of Volcano Ohservatories 

 Useful volcano experiment stations have al- 

 ready been established in some lands, and 

 more volcanologic experience is needed for 

 protection against disaster of the increasing 

 populations of Pacific countries and for the 

 advance of science; therefore this conference 

 Becommends the continuance of the present 

 volcano observatories and the establishment of 

 new permanent volcano observatories in lands 

 about the Pacific; and recommends that such 

 a station for maintenance and publication of 

 continuous observations should be placed on 

 one of the more active volcanoes in each impor- 

 tant volcanic district, 



2. Promotion of Localized Seismometry 

 In addition to the work of existing estab- 

 lishments, the intensive study of both large 

 and small earthquakes in seismic provinces by 

 all appropriate physical, geological and other 

 scientific methods may lead to important and 

 rapid advancement in geophysical knowledge. 

 This knowledge is of importance for economic 

 and humanitarian as weU as scientific ends. 

 This conference therefore 



Commends the existing institutions, recom- 

 mends their continuance and expansion, and 



urges early establishment of further specific 

 programs of investigation and continuous ob- 

 servation in regional seismology, in special 

 seismic districts about the Pacific. Timely 

 publication of results is recommended. More- 

 over this conference recommends to the Na- 

 tional Research Council of the United States 

 the establishment of a program of research in 

 regional seismology in the southwestern part 

 of the United States. 



3. Puhlication of Volcano and Earthquahe 



Information 



The workers in regional seismology and vol- 

 oanology need accurate information about geo- 

 physical events in other localities than their 

 own ; therefore this conference 



Recommends that prompt and authoritative 

 publication of current facts and measurements 

 concerning volcanoes, earthquakes, submarine 

 eruptions and tidal waves be an essential part 

 of the routine of all Pacific observatories. 



4. Precise Leveling and Triangulation in Rela- 



tion to Volcanology and Seismology 

 Great earthquakes and volcanic eruptions 

 are often preceded and followed by elevations, 

 depressions and horizontal displacements in 

 the regions concerned; therefore this confer- 

 ence 



Recommends that precise leveling and tri- 

 angTilation be carried on at definite time in- 

 tervals, in selected seismic and volcanic dis- 

 tricts, in order to ascertain precursory and 

 other changes in imderground stress accom- 

 panying great seismic and volcanic disturb- 

 ances. 



5. Collection and Publication of Statistics of 



Earthquakes and Eruptions 

 There is needed for certain Pacific countries 

 more complete statistics concerning earth- 

 quakes and eruptions; and a complete list for 

 the world should be eventually maintained; 

 therefore this conference 



Recommends that each Pacific country pub- 

 lish statistical lists of local eruptions, earth- 

 quakes, tidal waves and other related phenom- 



