This event was reviewed by an analyst and confirmed.
Type Earthquake
Magnitude 1.6 MLv
Local datetime 2025/10/20 23:40
Universal datetime 2025/10/20 21:40
Latitude 47.01 ° ± 0.6 km
Longitude 8.60 ° ± 0.7 km
Depth 11 km (from location) ± 4 km

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See the seismogram of this event.

Near cities

This table shows only the most populated cities around the epicenter.
Name Distance (km) Population
Zürich  41 341730
Saint Gallen  74 70572
Luzern  25 57066
Chur  71 32429
Zug  21 23435
Frauenfeld  73 21979
Aarau  60 15501
Herisau  66 15438
Schwyz  4 14177
Sarnen  30 9410
Altdorf  15 8678
Stans  18 7475
Glarus  36 5681
Appenzell  72 5649
Vaduz  71 5197

Past seismicity

  This map shows only the 50 most significant earthquakes around this event.

Event details

Parameters

Evaluation status preliminary
RMS 0.3
Azimuthal gap 203.79 °
Number of stations used 11
Number of phases used 18

Webservices

The data of this event are available in various formats (QuakeML, GeoJSON and text) through the following links :

QuakeML GeoJSON Text

Phases

Network Station Phase Time Residual (s) Azimuth (°) Distance (°) Mode
CH ZUR Pg 21:40:47.70 0.11 358.19 0.36 Manual
CH ZUR Sg 21:40:53.8 0.47 358.19 0.36 Manual
CH SULZ Pg 21:40:52.27 -0.04 327.6 0.61 Manual
CH SULZ Sg 21:41:01.17 0.54 327.6 0.61 Manual
CH BALST Pg 21:40:53.64 -0.21 298.22 0.7 Manual
CH BALST Sg 21:41:03.38 0.14 298.22 0.7 Manual
CH SLE Pg 21:40:54.73 -0.26 354.63 0.76 Manual
CH SLE Sg 21:41:04.77 -0.41 354.63 0.76 Manual
LE ENDD Pg 21:40:57.86 -0.07 320.6 0.92 Manual
LE ENDD Sg 21:41:10.34 0.15 320.6 0.92 Manual
CH BOURR Pg 21:41:00.8 0.41 292.86 1.01 Manual
LE KIZ Pg 21:41:00.43 -0.05 334.23 1.05 Manual
LE KIZ Sg 21:41:13.90 -0.63 334.23 1.05 Manual
LE GUT Pg 21:41:01.90 0.2 18.09 1.12 Manual
LE GUT Sg 21:41:16.59 -0.01 18.09 1.12 Manual
CH DIX Pg 21:41:03.83 -0.18 221.88 1.24 Manual
FR CHMF Pg 21:41:05.84 -0.22 280.88 1.35 Manual
FR OGVA Pg 21:41:08.81 0.24 243.4 1.48 Manual