Characteristics of the
Wiechert horizontal astatic seismograph weighing 1000 kg
at
Jena
Component
Mass (kg)
Tp
Vo
Damp.
From
To
Source
E-W,N-S
1200
9.0,8.6
195,200
3.3,3.1
1927 04 01
-
E-W,N-S
1200
9.0,8.6
200,190
2.9,3.1
1927 10 08
-
E-W,N-S
1200
8.5,9.0
190,195
2.9,3.2
1928 01 01
-
E-W,N-S
1200
8.4,9.7
225,220
3.0,3.3
1929 01 13
-
E-W,N-S
1200
8.6,9.8
240,235
3.6,4.0
1929 07 05
-
E-W,N-S
1200
8.4,8.5
240,240
2.9,3.6
1929 10 05
-
E-W,N-S
1200
9.3,9.2
240,235
2.8,3.8
1930 01 01
1930 03 31
E-W,N-S
1200
9.7,9.6
245,250
2.6,4.4
1930 04 01
1930 06 30
E-W,N-S
1200
9.0,8.8
255,250
2.3,4.3
1930 07 01
1930 09 30
E-W,N-S
1200
8.6,8.9
235,255
2.3,3.9
1930 10 01
1930 12 31
E-W,N-S
1200
10.0,9.0
220,240
4.5,5.5
1934 01 01
1934 03 31
E-W,N-S
1200
9.4,9.7
220,210
6.6,3.5
1934 04 01
1934 06 30
E-W,N-S
1200
9.5,9.7
215,205
4.2,4.8
1934 07 01
1934 09 30
E-W,N-S
1200
9.5,9.7
215,205
4.0,6.0
1934 10 01
1934 12 31
E-W,N-S
1200
8.8,9.6
230,200
3.4,5.8
1935 01 01
1935 03 31
E-W,N-S
1200
9.3,9.2
240,190
4.0,5.9
1935 04 01
1935 06 30
E-W,N-S
1200
9.5,9.1
230,230
4.3,5.5
1935 07 01
1935 09 30
E-W,N-S
1200
8.7,9.1
255,255
4.3,5.5
1935 10 01
1935 12 31
E-W,N-S
1200
10.4,8.5
195,225
5.2,7.5
1937 01 01
1937 03 31
E-W,N-S
1200
10.3,8.3
195,225
5.2,7.5
1937 04 01
1937 06 30
E-W,N-S
1200
10.4,8.4
250,225
6.6,6.3
1937 07 01
1937 09 30
E-W,N-S
1200
10.1,8.4
240,240
7.2,6.7
1937 10 01
1937 12 31
E-W,N-S
1200
10.5,8.4
200,240
6.1,6.6
1938 01 01
1938 03 31
E-W,N-S
1200
10.2,8.1
210,245
5.7,6.8
1938 04 01
1938 06 30
E-W,N-S
1200
10.2,9.4
215,210
4.9,6.8
1938 07 01
1938 09 30
E-W,N-S
1200
11.1,8.3
190,280
5.6,6.5
1938 10 01
1938 12 31
E-W,N-S
1200
8.4,10.0
235,230
7.0,5.7
1939 01 01
1939 03 31
E-W,N-S
1200
8.6,10.5
230,220
5.0,5.0
1939 03 31
1939 06 30
E-W,N-S
1200
8.3,11.0
225,200
5.5,5.1
1939 07 01
1939 09 30
E-W,N-S
1200
8.4,10.4
240,240
6.1,5.2
1939 10 01
1939 12 31
E-W,N-S
1200
8.2,7.0
235,195
4.2,3.8
1948 01 01
1948 03 31
E-W,N-S
1200
8.2,7.0
235,195
4.2,3.8
1948 01 01
1948 03 31
E-W,N-S
1200
8.4,7.0
220,210
4.0,4.2
1948 03 31
1948 06 30
E-W,N-S
1200
8.4,7.0
220,210
4.0,4.2
1948 03 31
1948 06 30
E-W,N-S
1200
8.2,7.0
225,210
4.2,4.2
1948 07 01
1948 09 30
E-W,N-S
1200
8.2,7.0
225,210
4.2,4.2
1948 07 01
1948 09 30
E-W,N-S
1200
8.2,7.0
210,210
3.4,4.4
1948 10 01
1948 12 31
E-W,N-S
1200
8.2,7.0
210,210
3.4,4.4
1948 10 01
1948 12 31
E-W,N-S
1200
8.0,7.0
210,210
3.6,4.2
1949 01 01
1949 03 31
E-W,N-S
1200
8.0,7.0
210,210
3.6,4.2
1949 01 01
1949 03 31
E-W,N-S
1200
9.0,8.4
220,220
4.8,4.0
1949 03 31
1949 06 30
E-W,N-S
1200
9.0,8.4
220,220
4.8,4.0
1949 03 31
1949 06 30
E-W,N-S
1200
8.2,8.0
220,220
3.4,3.6
1949 07 01
1949 09 30
E-W,N-S
1200
8.2,8.0
220,220
3.4,3.6
1949 07 01
1949 09 30
E-W,N-S
1200
8.8,8.4
210,220
4.0,3.2
1949 10 01
1949 12 31
E-W,N-S
1200
8.8,8.4
210,220
4.0,3.2
1949 10 01
1949 12 31