66 



REPORT — 1902. 



Fig. 3. — Time curves for earthquakes recorded between 189G and 1900 inclusive. 



10 20 20 40 SO 60 70 SO 90 ^m no 120 130 MO /SO J60 /70 /SO 190 200' 

 Degrees 



First phase or preliminary tremors . SeconJ phase x Largo waves + 



