90 REPORT OF THE CALIFORNIA EARTHQUAKE COMMISSION. 
LAIBACH, AUSTRIA. 
Erdbebenwarte. Prof. Dr. A. Belar, director. 
Lat. 46° 03’ N.; long. 14° 31’ E.; distance, 87.22° or 9,697 km.; chord, 8,786 km. ; 
direction, N. 29° E. 
The instruments used were: 
Ehlert triple pendulums, three components; photographic registration. 
(1) North component: T, 3 seconds. 
(2) East component : T,, 7 seconds. 
(3) Northeast component: 7, 12 seconds. 
Horizontal pendulum, two components. 
(4) Northeast and (5) northwest components: this instrument consists of a box con- 
taining 40 kg. of stone pressing against a steel point and supported by a long wire; regis- 
tration with ink on white paper; 7',, 20 seconds; V, 11; M, 40 kg. 
Vicentini microseismograph; registration on smoked paper. 
(6) North, (7) east, and (8) vertical components; V, 100. 
Seismograph (construction not known). 
(9) North and (10) east components; V, 12.6. 








First SECOND 
Fe BE sepeaeias PRINCIPAL Part. Max. vareta Prriop. 
TREMORS. TREMORS. 
m. 8. ™. 8. ™m. 8. ™m. 8. m. &. mm. sec. 
(1) North component . .| 25 25 3 MO oe Li wet 3 oe .. bh 
(2) East component. . .| 25 37 35 30 |54 21toll 08| 59 47 25 At 
(3) Northeast component .| 25 30 35 21 |54 10to10 00) 59 52 30 ay 
(4) Northeast component? | 26 52 36 47 |52 17toll 20; O02 42 5.5 23 
(5) Northwest component?} 26 31 36 25 |52 88toll 32 02 52 6 
(6) North component . .| 25 36 35 31 | 53. 5640 11” 03)|)) 59. 55 3.7 
(7) East component. . .| 25 34 35 29 |54 09to 10° 57); 59 52 3.0 
(8) Vertical component .| 25 37 35 32 |54 15to12 O00} O00 02 1.0 
(9) North component . .| 25 37 nih ise aap ste on 
(10) East component . .| 25 38 Avlanee eee Ae ae 
Iwo 8a a) a ei) 7eene! 35 30 | 54 10 
Interval) “2 ecex aa a0G 23 O02 |41 42 



TRIEST, AUSTRIA. 
Kk. K. Maritimes Observatorium. Prof. Dr. Edu. Mazelle, director. 
Lat. 45° 34’ N.; long. 13° 46’ E.; altitude, 67.5 meters; distance, 87.74° or 9,754 km. ; 
chord, 8,828 km.; direction, N. 29° E. 
Foundation, rock. 
The instruments used were: 
Ehlert horizontal pendulums (triple); photographic registration. 
(1) North component: 7, 12 seconds; V, 88; J, 3,150 meters; L’, 35.8 meters; M, 
200 (?) gm.; DL, 9.9 cm. é 
(2) N. 60° W. component: T,, 14 seconds; V, 84; J, 4,100 meters; M, 200 (?) gm.; 
L, 9.9 cm. 
(3) N. 60° E. component: 7, 18 seconds; V, 88; J, 7,100 meters; L’, 80.7 meters; 
M, 200 (?) gm.; DL, 9.9 cm. 
Vicentini microseismograph, three components; mechanical registration on smoked 
paper. 
(4) North and (5) east components: T,, 2.41 seconds; V, 100; J, 143 meters; M, 100 
kg.; L, 1.43 meters. 
1 The records of this instrument were not used in making up the average, as they differ'so materially 
from the others. 
