Sensor locations
| Location Code | (none) |
|---|---|
| Opening Date | 06-11-2019 |
| End Date | - |
| Housing Class | Tunnel |
| Housing Description | Sensor in ~100m long Tunnel in Rock, 42.9m directly below free surface, 48m from the entrance, leading to water pressure pipe. 145m northwest from the edge of a dam. Both Sensors placed on concrete floor, insulated with a sheet metal cover. EPI Sensor is 1m northwest of STS2.5. The tunnel is man-made into a steep slope and rarely entered by the power plant operators. |
| sensor depth below station | 0.0 m |
| Distance to Building (m) | - |
Current Instrumentation
| Location code | (none) |
|---|---|
| On date | 17-10-2022 09:57:00 |
| Off date | - |
| Sensor model | EpiSensor ES-T |
| Sensor manufacturer | Kinemetrics |
| Digitizer model | Q330HRS |
| Digitizer manufacturer | Quanterra |
| Channels | HGE , HGN , HGZ |
| Stream Noise (last week) | HGE , HGN , HGZ |
| Location code | (none) |
|---|---|
| On date | 06-11-2019 16:00:00 |
| Off date | - |
| Sensor model | STS2.5 |
| Sensor manufacturer | Streckeisen |
| Digitizer model | Q330HRS |
| Digitizer manufacturer | Quanterra |
| Channels | BHE , BHN , BHZ , HHE , HHN , HHZ |
| Stream Noise (last week) | BHE , BHN , BHZ , HHE , HHN , HHZ |
| Location code | (none) |
|---|---|
| On date | 16-09-2020 12:00:00 |
| Off date | 2022-10-17 09:57:00 |
| Waveform Access | open |
| Sensor model | EpiSensor ES-T |
| Sensor manufacturer | Kinemetrics |
| Digitizer model | Q330HRS |
| Digitizer manufacturer | Quanterra |
| Channels | HGE , HGN , HGZ |
| Location code | (none) |
|---|---|
| On date | 06-11-2019 16:00:00 |
| Off date | 2020-09-16 12:00:00 |
| Waveform Access | open |
| Sensor model | EpiSensor ES-T |
| Sensor manufacturer | Kinemetrics |
| Digitizer model | Q330HRS |
| Digitizer manufacturer | Quanterra |
| Channels | HGE , HGN , HGZ |
Site Characterization
|
channel group |
Empirical Amplification |
|---|---|
| CH.VDR..HG |  |
| CH.VDR..HH |  |
Obtained from spectral modeling of small earthquakes with constant update.
- Top: Fourier amplification with elastic (dashed line) and anelastic (solid line) amplification functions;
- Centre: 5% damped response spectra amplification (anelastic);
- Bottom: Number of recordings used.
See Edwards et al. (2013), Determination of Site Amplification from Regional Seismicity: Application to the Swiss National Seismic Networks. Seismological Research Letters, 84(4), 611–621.
| measurements nearby | list... |
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