This event was reviewed by an analyst and confirmed.
| Type | Earthquake |
| Magnitude | 2.7 MLv |
| Local datetime | 2021/12/20 02:17 |
| Universal datetime | 2021/12/20 01:17 |
| Latitude | 46.80 ° ± 3 km |
| Longitude | 8.93 ° ± 6 km |
| Depth | 9 km (from location) ± 5 km |
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Testify !Near cities
This table shows only the most populated cities around the epicenter.
| Name | Distance (km) | Population |
|---|---|---|
Zürich 
|
71 | 341730 |
| Saint Gallen
|
77 | 70572 |
| Luzern
|
56 | 57066 |
| Chur
|
44 | 32429 |
| Zug
|
54 | 23435 |
| Frauenfeld
|
86 | 21979 |
| Bellinzona
|
68 | 16572 |
| Herisau
|
70 | 15438 |
| Schwyz
|
32 | 14177 |
| Sarnen
|
53 | 9410 |
| Altdorf
|
24 | 8678 |
| Stans
|
45 | 7475 |
| Glarus
|
30 | 5681 |
| Appenzell
|
70 | 5649 |
Vaduz 
|
58 | 5197 |
Past seismicity
This map shows only the 50 most significant earthquakes around this event.
Event details
Parameters
| Evaluation status | preliminary |
|---|---|
| RMS | 0.31 |
| Azimuthal gap | 213 ° |
| Number of stations used | 12 |
| Number of phases used | 23 |
Webservices
The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :
Phases
| Network | Station | Phase | Time | Residual (s) | Azimuth (°) | Distance (°) | Mode |
|---|---|---|---|---|---|---|---|
| CH | ZUR | Pg | 01:18:03.93 | -0.11 | 337.64 | 0.62 | Manual |
| CH | ZUR | Sg | 01:18:12.47 | 0.11 | 337.64 | 0.62 | Manual |
| CH | SULZ | Pg | 01:18:09.59 | -0.04 | 322.92 | 0.91 | Manual |
| CH | SULZ | Pn | 01:18:11.61 | 0.26 | 322.92 | 0.91 | Manual |
| CH | SULZ | Sg | 01:18:21.60 | -0.27 | 322.92 | 0.91 | Manual |
| CH | SULZ | Sn | 01:18:24.77 | 0.02 | 322.92 | 0.91 | Manual |
| CH | EMBD | Pg | 01:18:10.18 | -0.21 | 232.64 | 0.95 | Manual |
| CH | EMBD | Sg | 01:18:22.67 | -0.48 | 232.64 | 0.95 | Manual |
| CH | BALST | Pg | 01:18:11.1 | -0.16 | 302.92 | 1 | Manual |
| CH | BALST | Sg | 01:18:24.96 | 0.48 | 302.92 | 1 | Manual |
| CH | BALST | Sn | 01:18:26.85 | 0.16 | 302.92 | 1 | Manual |
| CH | SLE | Pg | 01:18:11.23 | -0.15 | 343.16 | 1.01 | Manual |
| CH | SLE | Sg | 01:18:25.8 | 0.24 | 343.16 | 1.01 | Manual |
| CH | SLE | Sn | 01:18:26.81 | -0.14 | 343.16 | 1.01 | Manual |
| GU | SATI | Pg | 01:18:14.86 | 0.25 | 218.72 | 1.18 | Manual |
| GU | SATI | Sg | 01:18:30.73 | 0.4 | 218.72 | 1.18 | Manual |
| LE | ENDD | Pg | 01:18:15.31 | -0.05 | 318.9 | 1.22 | Manual |
| LE | ENDD | Sg | 01:18:30.96 | -0.65 | 318.9 | 1.22 | Manual |
| RA | STHE | Pg | 01:18:16.23 | 0.77 | 310.23 | 1.23 | Manual |
| LE | FELD | Pn | 01:18:15.63 | -0.29 | 330.12 | 1.25 | Manual |
| CH | DIX | Pg | 01:18:16.4 | -0.3 | 236.05 | 1.27 | Manual |
| LE | GUT | Pn | 01:18:16.30 | -0.05 | 5.72 | 1.28 | Manual |
| AM | R0220 | Pg | 01:18:16.97 | 0.2 | 310.55 | 1.3 | Manual |