ON SEISMOLOGICAL INVESTIGATION. 189 
THE CATANIA REGISTER—continued. 
No. <sa Date ae sg Maximum | Duration | Amp. Remarks 
wom. s. |o ow s.| a. ws. | MM, 
19 | 230 Aug. 31 20) 4 3 | 2012 33) 1 34 51 08 
20! — | Sept. 3 619 0 _- _ — | Of doubtful 
| character. 
21 | 232 eee Loe LeelO SL 18 11,27.) -2 34 30} 05 
22 | 233 ae 22 12 40 32 | Uncertain| 2 7 46 
23 | 235 Oct) 11 i 322 17 38 42 \ | 1 26 43 0:5 
17 39 56 | | 
24 re is — == — — | Movements 
due to the 
sea. 
2omeed ©) Nove) 17. 11 59 33 | Uncertain} 1 57 47 
26 | 240 Dec. 1 12 38 11 12 49 51 0 48 59 | 0-17 
1899. 
27 | 245 | Jan. 6 | 194611 | Uncertain| 0 28 8 | 
28 | 249 a 22 $ 14 11 819 48} 0 22 37 2°5 
29 | 250 oe 25 0 143 | Uncertain}; 119 51 
30} — 3 26 — — — = Movements 
due to the 
sea. 
31 | 263 |Mar fi 118 14 119 23 | “0 4 42 | 0:25 
32 | — as 12 = | — — - — | Movements 
j due to the 
| sea. 
33 | 267 Hs 21 14 46 24 | 14 573 0.22 2 O'5 
34 | 268 5 23 10 34 15 | Gs ee 2) 115 45 | 0:25 
385 | 269 i 23 1418 1 14 54 45 0 59 25 | 0:15 
20. Seismometrical Observation at Tokio. 
Catalogue of Earthquakes recorded by a Gray-Milne Seismograph at the Central 
Meteorological Observatory, Tokw, January 27, 1898, to January 29, 1899. 
(Continuation of Catalogue commencing in the British Association Report, 1886.) 
llorizontal Motiou Vertical Motion 
Local time of dip ha ere oe i: = 
Occurrence. ES) re Maximum 
No. | Date 9 hrs. in 2 Maximum Range valodley. Accelera- | Maximum Range 
advance of 5 Directi tion 
Greenwich A ESOL 
Period |Amplitude| mm. secs.| mm. sees.| Period |Amplitude 
1898. 
1982/7 M.S. SECS, MM. SECS. MM. 
2) Jan. 2 P.M. — —_ — slight — cs | a = 
1,983} Feb.10} 015 2pm. | — = a = Pe OE 23 = 
1,9: » 13] 11 52 47 am — = = “4 —_ od _ _— 
1,985| ,, 13] 1158 36pm. |249!SS.E.,NN.W.| 0-7 14 63 56-4 05 0) 
1,986; ,, 14) 6 & 48 4M — —. = slight = = — _ 
1,987) ,, 21| 649 6am = | = aa = = & = = 
1,988) , 23) 5 5710 PM — | = a % = 2% —_ -- 
1,989; ,, 26 5 14 47 PM — | = eal A ms a4 — — 
1,990; ,, 28 8 51 31 a.m, = | 2 =s a Zs = — — 
1,991; Mar. 3) 11 6 10 P.M. — = = ps = | tn — _— 
m1002) 4, 4 9 5 20 AM — = = z = | = — — 
2,993; , 5 1 421 PM — — _— B = | Pe — — 
a5904) 5, 5 5 44 47 PM _ — = S = = — = 
