Characteristics of the
Wiechert horizontal astatic seismograph weighing 1000 kg
at
Uccle
Component
Mass (kg)
Tp
Vo
Damp.
From
To
Source
E-W,N-S
1000
11.4,11.5
168,156
3,8,4,0
-
-
*
E-W,N-S
1000
11.2,11.5
169,152
4.8,4.2
1910 01 22
-
*
E-W,N-S
1000
11.2,11.5
180,148
4.8,3.8
1910 02 11
-
*
E-W,N-S
1000
11.2,11.5
176,150
4.9,4.0
1910 02 19
-
*
E-W,N-S
1000
11.2,11.5
176,150
4.9,5.6
1910 02 23
-
*
E-W,N-S
1000
11.1,11.4
170,146
4.5,5.6
1910 03 04
-
*
E-W,N-S
1000
11.2,11.5
165,144
4.0,4.9
1910 03 17
-
*
E-W,N-S
1000
11.2,11.5
176,147
4.4,4.3
1910 04 05
-
*
E-W,N-S
1000
11.1,11.5
180,150
4.5,4.7
1910 04 22
-
*
E-W,N-S
1000
11.2,11.5
170,148
4.4,4.6
1910 04 30
-
*
E-W,N-S
1000
11.2,11.4
158,141
4.0,4.7
1910 05 14
-
*
E-W,N-S
1000
11.4,11.8
-
4.3,5.1
1910 06 01
-
*
E-W,N-S
1000
11.5,11.8
174,161
4.4,5.2
1910 06 17
-
*
E-W,N-S
1000
11.5,11.8
174,161
5.4,5.2
1910 06 23
-
*
E-W,N-S
1000
11.5,11.8
175,160
5.4,5.3
1910 07 07
-
*
E-W,N-S
1000
11.5,11.8
178,160
4.8,5.0
1910 07 15
-
*
E-W,N-S
1000
11.5,11.8
-
4.6,5.3
1910 07 29
-
*
E-W,N-S
1000
11.5,11.8
180,163
4.8,5.1
1910 08 10
-
*
E-W,N-S
1000
11.9,12.0
167,159
5.1,5.4
1910 09 03
-
*
E-W,N-S
1000
11.5,12.1
-
4.9,5.2
1910 09 30
-
*
E-W,N-S
1000
11.7,12.0
-
4.9,5.4
1910 10 11
-
*
E-W,N-S
1000
11.8,12.0
169,162
5.4,5.4
1910 10 29
-
*
E-W,N-S
1000
11.7,12.0
-
4.9,4.8
1910 11 12
-
*
E-W,N-S
1000
11.1,11.5
190,162
5.2,5.0
1910 11 25
-
*
E-W,N-S
1000
11.5,11.9
171,151
4.8,4.9
1910 12 24
-
*
E-W,N-S
1000
11.0,12.0
181,151
4.7,5.0
1911 01 04
-
*
E-W,N-S
1000
11.2,11.8
178,154
4.7,4.9
1911 01 27
-
*
E-W,N-S
1000
11.1,11.5
177,157
4.5,4.8
1911 02 10
-
*
E-W,N-S
1000
11.1,11.5
177,157
5.4,5.7
1911 02 10
-
*
E-W,N-S
1000
11.3,11.6
170,154
5.4,5.7
1911 02 25
-
*
E-W,N-S
1000
11.4,11.7
173,157
5.4,6.0
1911 03 18
-
*
E-W,N-S
1000
11.3,11.6
178,152
5.6,6.1
1911 04 14
-
*
E-W,N-S
1000
11.3,11.8
175,152
5.9,6.0
1911 05 19
-
*
E-W,N-S
1000
11.2,11.9
-
6.0,6.7
1911 06 09
-
*
E-W,N-S
1000
11.5,12.0
176,155
6.0,6.9
1911 07 12
-
*
E-W,N-S
1000
11.5,12.0
176,155
5.9,6.0
1911 07 15
-
*
E-W,N-S
1000
11.7,12.0
177,160
5.9,6.0
1911 08 17
-
*
E-W,N-S
1000
11.6,11.8
178,160
5.8,6.0
1911 09 25
-
*
E-W,N-S
1000
11.4,11.8
-
5.4,5.9
1911 10 28
-
*
E-W,N-S
1000
11.4,11.6
175,152
5.2,5.6
1911 12 02
-
*
E-W,N-S
1000
11.1,11.5
-
5.2,5.3
1912 01 13
-
*
E-W,N-S
1000
11.3,11.6
188,152
5.5,5.1
1912 04 27
-
*
E-W,N-S
1000
11.5,11.9
179,156
5.9,6.1
1912 06 28
-
*
E-W,N-S
1000
11.5,12.0
172,157
5.7,5.0
1912 08 24
-
*
E-W,N-S
1000
11.2,11.6
174,157
5.1,5.3
1912 12 27
-
*
E-W,N-S
1000
11.1,11.5
176,158
5.0,5.3
1913 03 03
-
*
E-W,N-S
1000
11.3,11.5
166,159
5.2,5.5
1913 04 02
-
*
E-W,N-S
1000
11.5,11.8
179,155
5.8,6.0
1913 06 19
-
*
E-W,N-S
1000
11.6,11.7
172,157
5.9,6.0
1913 10 29
-
*
E-W,N-S
1000
11.4,11.5
168,156
6.0,6.1
1913 12 27
-
*
E-W,N-S
-
9.95,10.85
162,140
3.5,3.9
1928 01 01
1928 12 31
E-W,N-S
-
10,10.9
161.5,141
3.2,3.55
1929 01 01
1929 12 31
E-W,N-S
1000
10.1,11.0
167,145
3.2,3.4
1930 01 01
1930 12 31
*
E-W,N-S
-
10.1,10.95
167,145
3.2,3.45
1930 01 01
1930 12 31
E-W,N-S
-
10.25,11.1
166.5,144.
3.15,3.4
1931 01 01
1931 12 31
E-W,N-S
-
10.35,11.1
163.5,147.
3.15,3.45
1932 01 01
1932 12 31
E-W,N-S
-
10.5,11.05
164.5,149.
3.1,3.5
1933 01 01
1933 12 31
E-W,N-S
-
10.55,11.0
169.5,152
2.95,3.3
1934 01 01
1934 12 31
E-W,N-S
-
10.6,11.15
169,149.5
2.9,3.35
1935 01 01
1935 12 31
E-W,N-S
-
10.55,11.1
173,154.5
2.7,3.4
1936 01 01
1936 12 31
E-W,N-S
-
9.05,10.8
172,154.5
2.7,3.4
1937 01 01
1937 12 31
E-W,N-S
-
9.7,9.55
168,156
3.85,3.75
1939 01 01
1939 12 31
E-W,N-S
-
9.6,9.6
175,160
3.95,3.95
1940 01 01
1940 12 31