Earthquake with magnitude of ML 1.3 on date 26-10-2020 and time 05:01:36 (Italy) in region Svizzera (SVIZZERA)

A magnitude ML 1.3 earthquake occured in region: Svizzera (SVIZZERA), on

  • 26-10-2020 04:01:36 (UTC)
  • 26-10-2020 05:01:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.911, 9.134 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 inhabitants.

Recent and historical seismicity
Seismic hazard
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire ( that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
ML 1.3 2020-10-26
46.9107 9.1345 10 2020-10-26
Sala Sismica INGV-Roma 84139621
Preferred location and magnitude until now.
Origin information


Field Value
Time (UTC) 2020-10-26 04:01:36 ± 0.27
Latitude 46.9107 ± 0.0207
Longitude 9.1345 ± 0.0145
Depth (km) 10 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84139621


Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2136
Semi-minor axis of confidence ellipse (meter) 1165
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 10
Circular confidence region, given by single value of horizontal uncertainty (meter) 2140
Confidence level of the uncertainty (%) 68


Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.55848
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 5
Magnitude information


Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 84139621
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-26 04:07:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
ST.RONC.EHZ. 2020-10-26T04:02:17.11 3.0 undecidable manual Sn -0.41 0
CH.FUSIO.HHZ. 2020-10-26T04:01:55.09 0.3 undecidable manual S 216 0.5585 50 -0.3 66
CH.DAVOX.HHZ. 2020-10-26T04:01:54.61 0.6 undecidable manual S 104 0.5252 50 0.2 45
CH.BNALP.HHZ. 2020-10-26T04:01:52.76 0.6 undecidable manual S 266 0.4865 50 -0.49 43
MN.TUE.HHZ. 2020-10-26T04:01:51.88 0.3 undecidable manual S 162 0.4623 50 -0.64 61
CH.FUSIO.HHZ. 2020-10-26T04:01:47.63 0.3 positive manual P 216 0.5585 50 0.42 64
CH.DAVOX.HHZ. 2020-10-26T04:01:47.10 0.6 negative manual P 104 0.5252 50 0.46 43
CH.BNALP.HHZ. 2020-10-26T04:01:46.20 0.1 undecidable manual P 266 0.4865 50 0.23 91
MN.TUE.HHZ. 2020-10-26T04:01:45.89 0.1 undecidable manual P 162 0.4623 50 0.34 89
CH.PLONS.HHZ. 2020-10-26T04:01:44.49 0.6 undecidable manual S 50 0.2176 111 -0.54 45
CH.PLONS.HHZ. 2020-10-26T04:01:41.19 0.1 positive manual P 50 0.2176 111 -0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.PLONS.HHE. ML:1.4 0.00016384325 0.2304 AML other m 2020-10-26T04:01:44.66
CH.PLONS.HHN. ML:1.5 0.00020271585 0.24 AML other m 2020-10-26T04:01:44.68
MN.TUE.HHE. ML:1.4 6.465684E-5 0.2624 AML other m 2020-10-26T04:01:52.03
MN.TUE.HHN. ML:1.2 4.148679E-5 0.0992 AML other m 2020-10-26T04:01:52.68
MN.TUE.HNE. ML:1.4 6.542551E-5 0.24 AML other m 2020-10-26T04:01:52.03
MN.TUE.HNN. ML:1.2 4.220255E-5 0.1184 AML other m 2020-10-26T04:01:52.74
CH.BNALP.HHE. ML:1.1 2.8552415E-5 0.3424 AML other m 2020-10-26T04:01:54.62
CH.BNALP.HHN. ML:1.3 4.7027575E-5 0.3712 AML other m 2020-10-26T04:01:53.12
CH.DAVOX.HHE. ML:1.5 6.790093E-5 0.3776 AML other m 2020-10-26T04:01:55.00
CH.DAVOX.HHN. ML:1.7 0.000101921185 0.2976 AML other m 2020-10-26T04:01:55.37
CH.FUSIO.HHE. ML:1.2 2.913516E-5 0.2304 AML other m 2020-10-26T04:01:55.76
CH.FUSIO.HHN. ML:1.1 2.279956E-5 0.6304 AML other m 2020-10-26T04:01:55.21
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download