Earthquake with magnitude of ML 1.3 on date 29-11-2020 and time 01:52:58 (Italy) in region Confine Italia Svizzera (SVIZZERA)

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

  • 29-11-2020 00:52:58 (UTC)
  • 29-11-2020 01:52:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.0960, 7.7940 at 7 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Macugnaga VB 20 557 557

Municipalities with at least 50000 inhabitants

An earthquake occurred to
85 Km W of Varese (80799 inhabitants)
91 Km NW of Gallarate (53343 inhabitants)
97 Km NW of Novara (104380 inhabitants)
98 Km NW of Busto Arsizio (83106 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.3 2020-11-29
00:52:58
46.0963 7.7937 7 2020-11-29
00:58:07
Sala Sismica INGV-Roma 85076011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-29 00:52:58 ± 0.31
Latitude 46.0963 ± 0.0171
Longitude 7.7937 ± 0.0143
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85076011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1916
Semi-minor axis of confidence ellipse (meter) 734
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 25
Circular confidence region, given by single value of horizontal uncertainty (meter) 1920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 204
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.12680
Epicentral distance of station farthest from the epicenter (degree) 0.58456
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 85076011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-29 00:58:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.TRAV.HHZ. 2020-11-29T00:53:18.27 0.6 undecidable manual S 183 64.8906 50 -0.47 46
GU.REMY.HHZ. 2020-11-29T00:53:16.24 0.6 undecidable manual S 240 56.8986 50 -0.37 48
GU.TRAV.HHZ. 2020-11-29T00:53:10.38 0.6 undecidable manual P 183 64.8906 50 0.35 47
GU.REMY.HHZ. 2020-11-29T00:53:09.33 0.6 positive manual P 240 56.8986 50 0.53 46
CH.DIX.HHZ. 2020-11-29T00:53:08.43 0.6 undecidable manual S 267 29.748 104 -0.31 51
GU.SATI.HHZ. 2020-11-29T00:53:07.19 0.6 undecidable manual S 167 25.1526 106 -0.04 54
CH.DIX.HHZ. 2020-11-29T00:53:04.28 0.6 positive manual P 267 29.748 104 0.02 54
GU.SATI.HHZ. 2020-11-29T00:53:03.79 0.1 undecidable manual P 167 25.1526 106 0.41 100
CH.MMK.HHZ. 2020-11-29T00:53:03.03 0.6 undecidable manual S 111 14.0748 117 -0.59 48
CH.MMK.HHZ. 2020-11-29T00:53:01.35 0.6 positive manual P 111 14.0748 117 0.05 55
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHN. ML:1.4 0.00011979999999999998 1.58 AML other m 2020-11-29T00:53:15.86
CH.DIX.HHE. ML:1.2 0.00008855 0.4 AML other m 2020-11-29T00:53:17.32
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download