Data Report
Stations / June 2005
Contributed by PLV
Site information of the Seismological Station in Vietnam
(June 9th 2005)
N
Station
Code
Latitute
Longitude
Elevation
name
N
E
m
deg min
deg min
1
Ba Vi* BVV 21 06.13 105 22.12 182
2
Bac Giang*
BGV
21 17.41
106 13.65
15
3
Chua Tram*
HNV
20 56.29
105 41.33
50
4
Doan Hung*
DHV
21 37.61
105 11.03
70
5
Doi Son*
DSV
20 35.13
105 53.24
70
6
Met*
MTZ
21 32.88
106 20.52
7
Phu Lien*
PLV
20 48.36
106 37.81
90/18
8
Tam Dao*
TDV
21 27.88
105 38.74
1200
9
Yen Tu*
YTV
21 09.42 106 43.02
10
Da Lat
DLVO
11 57.91
108 28.89
1550
11
Dien Bien+
DBV
21 23.38
103 01.10
480
12
Hoa Binh+
HBV
20 47.77
105 20.32
80
13
Hue
HUVO
16 25.01
107 35.13
8
14
Lai Chau+
LCV 22 02.32
103 09.26
1100
15
Lang Chanh
LCV
20 09.19
105 14.85
16
Moc Chau+
MCV
20 50.65
104 38.13
17
Sapa
SPV
22 20.30
103 50.11
1550
18
Son La+
SLV
21 20.03
103 54.30
700
19
Song Ma
SMV
21 03.42
103 44.66
20
Thanh Hoa
THV
19 51.05
105 46.92
21
Tram Tau+
TTV
21 28.36
104 21.66
22
Tuan Giao+
TGV
21 35.39
103 25.09
23
Vinh
VIV
18 32.88
105 42.00
5
Remark
Sonla+ Station, which is close to the Sonla Dam
Tam Dao* Station of Hanoi telemetry seismic Network.
L-4C-3D Short period Seismograph (T=1,0), 3 compoments (Mark Product)
L-4C-1D Short period Seismograph (T=1,0), 1 compoment (Mark Product)
CMG-3T Guralp Systems Limited
STS-2 Portable Very-Broad-Band Tri-axial Seismometer
SSA-1, SSA-2 Solid-State Recording Accelerograph
K2 Altus Digital Recorder
The specifications of the accelerometers K2 and SSA-2
Specifications
K2
SSA-2
Dynamic range
Natural frequence
Damping
Sampling rate
Operating mode
Full scale
Sensitivity
Number of channels
>114 dB
200 Hz
0.7 nominal
100
Continuous
+/- 2g
+/- 2.5 volts full scale
3
72
600 Hz
0.7 nominal
100
Continuous
+/- 1/4g
+/- 2.5 volts full scale
3
The specifications of the seismological network
Seismometer: Mark Product 1Hz; 3 components
Sensitivity: 176/V/M/S
Damping 0.7
Amplifier Gain 64 (2^6) *
Digitizer 15 bit for 10 Volt
0.305 mV/count
Cutof freq. 24 Hz
Butt. Filter 5 poles
High-pass 0.1 Hz
-1 pole
* Amplifier Gain can be set up to 2^10