14 
1946 
Jan. 17 - continued 
have been snow. The new lava that flows toward the northwest now has 
passed the flow of October, 1944, and continues to flow, covering the 
fields of Euirambosta. For three days the vapor column has been 
toward the northeast; today at six in the afternoon it changed toward 
the southwest. 
18 - At 6 and 7 A. M. , strong noises in the crater, with white simple 
vapors toward: the northwest. During the day the noises are weaker; the 
few vapors emitted by the crater are changed to clouds and drift to the 
north and northeast. 
19 - Seldom do we have such a clear day; the vapor is a white smoke, like 
a mist, rising without force, as it has been for these last days. The 
noises do not cease. Although there are times when they lessen, yet they 
never cease. The lava that begins 30-40 meters southwest of the base 
of the cone continues advancing about 50 meters per day. The front has 
1 / 
the advantage of the barranca, that previously descended from Q,uitzocho 
IT 
Q,uitzocho: a parcel of land, bordering Cuiyitzoro, the farm in which 
the volcano originated. 
and passed between San Juan and Paricutin. Today Srs. E* Ordonez and 
William E. V/rather, Directors of the Mexican and American Geological In- 
stitutes visited us, accompanied by other engineers. 
20 — The above mentioned gentlemen, except Sr. Ordonez climbed to the 
crater. Sr. VJrather and his daughter now know not only the outside but 
also the inside of the volcano. There they saw how the vapors are pro- 
duced, how one hears the noise and how the strong ones deafen, also the 
