geophysical observatory report · 2015-12-04 · z 1i+ 1. y/mm 15 mm/hour d 2.3 min/mm h 63 y/mm z...
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C O M M O N W E A L T H O F A U S T R A L I A
D E P A R T M E N T O F N A T I O N A L D E V E L O P M E N T
B U R E A U O F M I N E R A L R E S O U R C E S ,
G E O L O G Y A N D G E O P H Y S I C S
GEOPHYSICAL OBSERVATORY REPORT
VOL. 9 NO 7
JULY
1961
•""•"nJ under the authority of Senator The Hon. IV. H. Spooner,
Minister for National Deveiopment
- J J
y.. u J,
copy 2
DEPARTMENT OF NATIONAL DEVELOPMENT
Minister-SENATOR The HON. W . H. SPOONER
Secretary-H. G. RAGGATT
BUREAU OF MINERAL RESOURCES, GEOLOGY AND GEOPHYSICS
J. M. RAYNER - Director
This Report was prepared in the Geophysical Branch :
R. F. THYER - Chief Geophysicist
J. C. DOOLEY - Supervising Geophysicist
C O N T E N T S
Contrituting Observatories Page
2
Geomagnetic Data: Mawson 5 Wilkes 6 Macguarie Island 7 Toolangi 8 Gnangara 10 Port Moresby , 12
Unless otherwise stated all times are given in Greenwich Mean Time
The terminology used in this report is that accepted by international convention. Should further information be required, explanation can be obtained by applying to
Chief Geophysicist, Bureau of Mineral Resources, Geology & Geophysics, 203 Collins Street, MELBOURNE, C.I,, A U S T R A L I A .
CONTRIBUTING OBSERVATOBIES
GNAHaASA MAGNETIC OBSEBVATORY P.M. McGregor. Observer in Charge
Geographic Latitude 31°i4-7'S Geomagnetic Latitude -43.2°
Lorigitude Longitude
115°57'E 185.8°
Instriiments G.I.W. field magnetometer and theodolite earthinductor No.7 Askania magnetometer No.508810 Askania earthinductor No. "S111079 La Cour QHMs No.291, 292, 293 La Cour BMZ No. 120 Eschenhagen D, H & Z recording variometers
Sensitivity : 1. 07 min/mm 2.2 Y/mm 5.0 Y/inm
Recording speed : 20 mm/hour Askania (Eschenhagen type) D variometer with visual recorder
Sensitivity : 3 Y/mm Recording speed 20 mm/hour
La Cour rapid run variometers are "being installed
MACQUARIE ISLAND MAGNETIC OBSERVATORY P.J. Milne Ohserver in Charge
Geographic Latitude 54°30'S Geomagnetic Latitude -60.7°
Longitude Longitude
158°57'E 2i .3,0°
Instruments La Cour QHMs Nos.177, 178, 179 La Cour BMZ No.64 Kew pattern magnetometer No.158 La Cour D, H <4 Z recording variometers
Normal sensitivity
Recording speed Low sensitivity
Recording speed
D 0.9 min/mm H 12.5 Y/mm Z 1i+. 1 Y/mm 15 mm/hour D 2.3 min/mm H 63 Y/mm Z 59 Y/mm 15 mm/hour
CORTRIBUTIHG O^ESVATORIES
MAWSOK MAGNETIC OBSERVATORY R.J. Hollingsworth. Observer in Charge
Geographic Latitude 67°36'S Geomagnetic Latitude -73.2°
Lor^itude Longitude
62°53'E 103.1°
Instruments La Cour QHMs Nos.300, 301, 302 La Cour BMZ No.62 La Co\ir D, H & Z recording variometers
Normal sensitivity
Recording speed Low sensitivity
Recording speed : Bar fluxmeter magnetograph H, D, Z components
Recording speed :
D 0.8 min/mm H 9-9 Y/mm Z 10.3 Y/mm 15 mm/hour B 2.k min/mm H 52 Y/mtn Z 51 Y/ram 15 mm/hour 5 ram/minute
PORT MORESBY MAGMETIC OBSERVATORY J.A. BrooKs. Observer in Charge
Geographic Latitude 9°2U'S Geomagnetic Latitude -18.7°
Longitude Longitude
147°09'E 218.0°
Instruments La Cour QHMs Nos.187, 188, 189 La Cour BMZ No.68 Askania declinometer Ho.580333 Askania earthinductor No.5111081 C.I.W. field magnetometer and portable earthinductor No.18 La Coiir D,' H & Z recording variometers Standard instrument : Sensitivity
Rapid-run instrument: Recording speed Sensitivity
Recording speed
D 0.9 min/mm H 5.6 Y/mm Z 7.2 Y/mm 15 mm/hour D 0,6 miry'mm H 1.8 Y/mm Z 3.0 Y/mm 180 mm/hour
CONTRIBUTING OBSEBVATQBIES
TOOLANGI MAGNETIC OBSEKVATORY C.A. van der Waal. Observer in Charge
Geographic Latitude 37°32'S Xongitude 1ij.5°28'E Geomagnetic Latitude +.6.7° Longitude 220.8°
Instruments Ruska magnetometer No. 1+813 Schulze earthinductor Ko.i<.9 La Cour QMHs Nos.288, 289, 290 La Cour BMZ Ho.119 La Cour D, H & Z'recording variometers
Sensitivity : D 1.l6 miiVmm H i+.6 Y/irnn Z U.'-). Y/mm
Recording speed : 15 nm/hour
WILKES MAGNETIC OBSERVATORY W.M. Burch. Observer in Charge
Geographic Latitude 66°15'S Longitude 110°35'E Geomagnetic Latitude -77.2° Longitude 179-2°
Instruments C.I.W. field magnetometer and theodolite earthinductor No.28 La Cour QHMs Nos.i4.92, 1+93, k9k La Cour BMZ No.236 Ruska D, H & Z recording variometers Standard instrument : Sensitivity : D 10.6 min/imn
H 21+ r/mm Z 21+ Y/mm
Recording sijeed : 20 mm/hour Rapid-run instrument: Sensitivity : D 1.3 miry'mm
H 5.3 Y/mm Z 6,3 Y/mm
Recording speed : 21+0 mm/hour
M A W S O N
MAGNETIC K-INDIOES - JULY 196-t
Range for lower limit of K=9 is-1500 gammas
Day K-•Indices K-Sua
5 5 k- 2 - :
2 3 3 5 ' 3 3 5 5 3 6 3: U it- 2 s 31
1+ 3 3 2 5 2 it: 7 30 5 7 7 6 5 U 3 6 6 i44 6 k 5 U U U 6' it- 3 3it 7r 6 5 5 3 3 it 3 33 8 5 5 k 3 2 it 6 33 9 U 5 5 k 3 3 1 : 1 26
10 5 6 5 5 ':- k it 2 6 37' 11 5 5 3 3 2 3 it 5 ^ 30' 12- 3 U 3 2 2 3 3c 1 2h 13 3 k 2 7 7 6 7 7- it3:
6 5: 7 6 5 it- 8 1 ' it8' IB::; 5 6 5 5 : U 3' 7 6- i it1 16 6 6 5 3 3 it 6 5 38 17 • 5 5 U 2 5 7 36 I8r 5 7 7 5 5 7. 7- 7 56: 19 6 6 3 2 2 2 3:, it:i ' 28' 20 3 5 6 3 2 3 6,: 6 c' 3I4: 21 7 7 6 5 k 3 6c 5c it3 22; it 5 5 k 3; 1 c 5 c 31 23 ij. 2 3 5 5 it: 7 - 34 2h 6 5 U 5 3 2 it: 5 3it 25 5 5 k k 3 2 3 ; 30 26. 6 6: k 5 3 2 5 6 35 21- 5 3 5 6 5 5 7 7- it3 28 ij. 5: 5 U 3 3 6. 3. 33 29: 3 5 U 3' 3 2 it 5: : 29. 30 U k 5 3i 2 3. 6 it 31 31 3 1 . 3: 1 U 2 5 5 2H\
PEELIMIHARY.-vEglSrEHIiY. MEAN .¥ALUES . Based on ;tQ selected q.ulet days s H B Z
' Y ° ' Y July ; - - .18 30i+ 60 - W l O
W I L K E S
MAGMETIC K-IMDICES - JULY i961
Range for lower limit of K=9 is 2500 gammas
Day K-•Indices K-Sum 1 2 2 2 1 1 1 1 0 10 2 1 2 2 2 2 u 3 2 18 3 2 2 2 3 2 3 1 1 16 k 1 2 2 1 1 1 1 3 12 5 il- 3 3 2 3 2 1 2 20 6 3 3 3 1 2 6 4 2 24 7 3 3 3 2 2 2 4 1 20 8 2 3 3 1 2 2 4 2 19 9 3 3 3 2 1 3 1 1 17 10 2 3 1 2 3 2 1 1 15 11 3 2 3 2 1 1 2 1 15 12 3 3 2 2 1 1 1 2 15 13 3 2 3 6 7 6 6 5 38 14 5 5 5 5 k 4 4 36 15 3 k 2 3 3 2 4 4 25 16 3 3 M 2 3 2 5 2 24 17 3 3 3 3 3 2 4 5 26 18 k k 3 4 4 3 30 19 k k 3 3 2 2 2 3 23 20 k 5 5 3 2 3 3 4 29 21 3 3 3 3 2 2 3 2 21 22 3 2 3 3 3 1 0 19 23 3 2 3 2 3 3 2 3 21 2U 3 2 3 2 1 1 1 3 16 25 3 3 2 3 2 1 1 2 17 26 2 3 3 3 3 1 3 4 22 27 k if 5 k 4 5 6 36 28 k 3 2 2 2 3 5 3 24 29 3 3 2 2 2 1 1 1 15 30 3 3 3 2 1 1 2 2 17 31 3 2 3 2 0 0 3 2 15
PRELIMINARY MOMTHLY MEAN VALUES Based on 10 selected q.uiet days
1961 H D July
H Y 9 229
Z O f y
m 3 1 . - 6 k 9 6 k
M A C Q U A R I E I S L A N D
MAGMETIC K-IMDICES - JKLY 1961
Range for lower limit of K=9 is 1500 gammas
Day K--Indices K-Sum 1 1 3 6 3 1 0 0 18 2 0 1 3 1 0 3 2 1 11 3 1 1 3 6 5 5 1 1 23
1 0 1 3 1 1 0 3 10 5 5 it 5 6 6 6 3 3 38 6 2 2 2 4 4 5 2 2 23 7 3 3 k 4 5 3 2 0 24 8 1 2 5 3 4 2 1 1 19 9 1 2 2 1 3 0 0 13 10 1 2 6 5 5 5 0 1 25 11 1 2 1 1 0 0 0 0 05 12 1 1 5 6 0 0 0 0 13 13 0 0 2 5 8 7 8 5 35
3 6 7 7 8 6 4 45 15 U 6 5 5 5 3 5 5 38 16 5 3 2 3 5 4 4 2 28 17 2 3 1 6 6 3 5 4 30 18 h 5 5 7 8 7 7 5 48 19 h 5 2 0 0 1 1 0 13 20 1 3 4 2 0 0 2 3 15 21 3 5 7 5 7 7 4 2 40 22 2 3 5 5 5 4 0 0 24 23 1 0 2 4 5 6 4 2 24 2h 2 h 6 5 3 1 1 26 25 3 h 4 4 4 2 1 1 23 26 3 2 1 3 5 0 3 3 20 27 3 3 8 9 6 5 6 6 46 28 ij. 3 3 3 2 4 3 4 26 29 1 2 2 2 1 1 0 1 10 30 1 1 3 3 1 2 2 1 14 31 0 1 0 4 4 0 3 1 13
PRELXMIHABY MOMTHLY MEAN VALUES Based on 10 selected quiet days
1961 H D Z Y o f y July 13 2U3 25 47.0E -64395
T 0 0 L A H G I
MAGi^TIC K-IHbiCES - "^Y 1961
Range for lower limit of K=9 is 500 gammas
Day K-•Indices K-Sum 1' 2 2 3 2 1' 1 1 . 16 2 1 2 3 1 1 3 3 2 16 3 1 2 3 U' 3 2 2 21 U 2 1 2 2 1 2 1 15 5 U 3 k- 5 5 3 2 3 29 6 1 3 2 3 2 h 2 1- 18 7 3 2 u 3 3 2: 2 1 20 8 1 3 3 3 3 1 2 1 17 9 2 2 3 2 1 2 1 0 13
10 1 3 k 3 3 1 2 21 11 2 2 1 1 1 1 0 1 09 1-2 1 2 3 3 0 1 1 1 12 13 1 1 2 5 6 5 5 29
3 3; 5: 6 6 5 U 3 35 15' 3 3 2 3 3 2 k U 2k 16 3 3 2 2 3 3 3 2 21 17 2 2 2 U 3 2 23 18 u 5 k 5 7 5 6 h 1+0 19 U 1 0 0 0 1 1 11 20 1 3 3 1 2 2 3 19 21 k 3 5 3 3 k 2 28 22 2 2 i4. 3 2 3 0 1 17 23 1 1 2 3 3 k 2 2 ia 2h 3 3 3 U 3 2 1 . 1 20 25 3 3 3 3 2 2 1 1 . 18 26 2 3 1 3 3 1 3- u 20 27 h 5 7 5 U 6 39 28.! 3 3 3- 3 2 2 3 3. 22 29 1 2 2 2 1 1 1 11. • 30- 2 2 3 3 1 0 2 1 31 1 2 1 2 3 0 3 1 13
T O O L A H a i
PRELIMINARY MbHTHLY MEAM VALUES
Based on 10 selected, quiet, days
1961 H D Y ° '
July 22 625 10 20.1E
Z Y
-56407
PRIHCIPAL MAGMETIO STORMS - JULY 1961
sudden max.activity storm time commencements act- C to Ranges
late begin end type amplitudes • .iv-- 3-hr D H z ity day per. K D H Z
h m d h J Y Y ' Y Y
0 4 2 0 . . 0 5 2 4 ... • • • • • • m 5 . 5 1 9 1 2 8 4 0 1 3 1 1 1 5 1 5 1 5 ssc - 3 + 1 1 + 0 ms 1 3 : 5 6 2 7 2 7 6 1 0 0
1 4 U - . 5 6 6 6 1 7 1 8 2 7 1 9 0 9 ssc + 2 + 0 ms 1 8 5 7 4 6 1 7 8 6 6
2 6 1 9 5 1 2 8 1 2 ssc* + 6 » + 3 1 +4. ms 2 7 7 6 4 2 8 6 1 3 6
SUDBEN COMMEHGEMEMTS AMI OTHER PHENOMKKA - JULY 1961
Day
01 10
17 20 2h 26
Time h m 11 0/j.
07 35 11 15 13 13 18 27 22 29 10 01 19 51
Type bps bp BSC Si SSO si
ssc"
A B A A A A A A
Sense of Movement
H D : Z
/- + + 0 0
Remarks
10
G M A N S A R A
MAGMETIC K-INDICES - JULY 1961
Range for lower limit of K=9 is 350 gammas
Day K-Indices K-S\im 1 - 2 2 2 3 2 1 0 1 13 2 1 2 3 2 1 i 3 2 18 3 2 2 3 1+ 3 3 2 1 20 U 2 1 2 2 2 2 1 h 16 5 5 3 it. 3 5 - 3 2 2 27 6 1 2 2 2 2 U 2 1 16 7 2 2 3 3 k 3 3 1 21 8 1 2 2 3 2 2 2 1 15 9 1 2 3 2 1 3 0 0 12 10 1 3 3 3 3 2 1 1 17 11 1 2 1 1 1 1 0 1 08 12 1 2 3 2 0 0 1 1 10 13 0 0 1 5 6 5 6 5 28 14 U 3 5 6 7 6 3 38 15 3 3 2 3 i 2 3 5 25 16 2 2 3 2 3 2 22 17 2 3 2 it. U 2 5 if 26 18 u 6 5 5 7 i+ 5 5 in 19 5 h 1 0 0 1 0 0 11 20 1 2 3 2 1 1 3 3 16 21 5 h 5 2 2 i+ it 2 28 22 2 3 3 3 3 1 0 0 15 23 1 1 2 3 3 5 3 2 20 2U 1 3 2 U 3 1 2 1 25 2 2 3 2 2 2 1 (1) (15) 26 3 3 1 2 3 1 if if 21 27 k 3 7 7 5 R 6 in 28 3 2 2 3 1 2 k 2 19 29 1 3 2 1 2 1 1 2 13 30 2 2 2 2 1 1 3 1 lif 31 1 1 1 2 2 0 3 2 12
11
Q N A M G A R A
PRELIMINABY MOMTHLY MEAN VALUES
Based on 5 selected quiet days
1961 H D Y ° '
July 2 3 93U -2 53.3W
Z Y
-53U-90
PRINCIPAL MAGKETIC STORMS - JUIY 1961
date storm time
sudden commencements act-
iv-ity
max. activity 0 to 9 Range s
date tegln end type amplitudes D H Z
act-iv-ity
13-hr davl per. K D H Z
13 17 26
h m 1115 19.. 1951
<1 h 1i4.21 ssc* 1905 2811 ssc +9*
Y +13 -26'' 14 5
.. ms 18 5 + 3 2 +i+0* ms 27 3,it
Z maximum off record 0930-09U5 on 27th.
29 38 46
Y Y 251+ 18k tkl 242 30k 311
SUDDEN COMMENCEMENTS AND OTHER PHENOMENA - JULY 1961
Sense of Movement
Daz Time Type, H D Z Daz h m
10 16 03 bps B + + + 11 16 i+3 Pt ^ B 13 11 15 ssc* A + -K -K 18 11 U5 "b A + - -20 02 1+9 ssc* B 26 19 51 ssc* A + +«
Remarks
12
P 0 R T M 0 R E S B Y
MAGiqETIC K-INDICES - JULY 1961
Range for lower limit of K=9 is 300 gammas
Day K-Indices 1 3 3 3 3 Q Q Q Q 2 Q 3 3 Q Q Q 3 Q 3 Q 3 3 k 3 3 Q 3 i+ 3 3 3 3 3 3 Q 6 5 3 U 5 5 3 Q 3 6 3 3 3 3 3 3 Q Q 7 3 3 3 3 3 Q Q Q 8 3 3 3 3 3 Q Q 3 9 3 3 3 Q Q Q Q Q
10 3 3 U h 3 3 Q Q 11 3 3 Q Q Q Q Q Q 12 Q Q 3 3 Q Q Q Q 13 Q Q Q 6 7 5 k 3
k 3 6 6 6 k k 3 15 3 3 Q 3 Q 5 k 16 U h 3 Q 3 Q 3 3 17 3 3 3 3 3 Q k k 18 6 5 6 5 U k 19 Q 3 Q Q Q Q Q Q 20 3 h 3 Q Q 5 21 5 k k 3 3 3 3 22 3 3 k h 3 Q Q 3 23 Q Q 3 3 k k 3 Q 2k Q 3 3 h 3 Q Q 3 25 k 3 3 k Q Q Q Q 26 3 3 Q Q Q Q 5 21 5 7 7 6 5 k 5 28 3 3 3 k 3 3 3 3 29 Q Q 3 Q, Q Q Q Q 30 3 3 3 Q Q Q 3 Q 31 3 3 3 Q Q Q 3 3
13
P O R T M O R E S B Y
PBINCIPAL MASNETIC STORMS - JULY 196-1
sudden max. activity storm time commencements act- 0 to 9 Ranges
iate begin end type amplitudes iv- 3-hr D H Z ity day per. K D H Z
h m a h 1 Y Y r r T 13 11(05) 15(00) ms 13 5 7 6 300 144 17 1825 1904 sc 1 15 16 m 18 2,5 6 10 131 49 20 0248 22(10) sc«? 6 6 m 20 8 5 6 15U 58
26 1950 28(10) sc* 1 1/2* 33 29 ms fill 27 3,i+ 7 12 393 135
SUDDEH COMMEMOEMEMTS AITO OTHER PHENOMENA - JULY 1961
Sense of Movement
Day Time Type H D z h m
01 11 04 bp C + _ + 01 16 36 pt C 02 15 52 pt 0 02 16 54 pt C 03 11 15 pt B 05 00(47) bp C + + 07 13 31 bp 0 + •
08 12 44 bp C + 0 + 09 16 19 bp 0 + ( + ) + 10 07(34) bp C + + 10 11 40 bp C + 1 + 10 16 13 pt B 11 16 41 pt C 12 08 45 bp B + - + 13 09 44 pt 0 13 11 11 si B + + 13 11 51 si B + + 14 10 45 bps A + + 14 13 00 bps A + + 15 13 46 bp C + • + 16 00 52 bp B + (-) + 16 13 10 bps B + 0 + 16 17 39 pt B 17 18 25 ssc B + + + 20 02 48 ssc^ B + + 20 22 28 si B - _ -21 07 36 b A + - ? + 22 14 35 bp B + 0 + 24 09 56 bp B + 0 + 25 15 14 pt 0 26 19 50 ssc* A + +H +
Remarks