Earthquake with magnitude of ML 1.1 on date 12-11-2023 and time 05:14:57 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.1 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 12-11-2023 04:14:57 (UTC)
  • 12-11-2023 05:14:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3420, 8.5520 at 12 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
Formazza VB 10 445 445
Premia VB 18 564 1009
Baceno VB 20 918 1927

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km NW of Varese (80799 inhabitants)
72 Km NW of Como (84495 inhabitants)
78 Km N of Gallarate (53343 inhabitants)
84 Km NW of Busto Arsizio (83106 inhabitants)
88 Km NW of Legnano (60262 inhabitants)
98 Km NW of Rho (50434 inhabitants)
100 Km N of Novara (104380 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 1.1 2023-11-12
04:14:57
46.3423 8.5522 12 2023-11-12
04:42:55
Sala Sismica INGV-Roma 123053531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-12 04:14:57 ± 0.16
Latitude 46.3423 ± 0.0072
Longitude 8.5522 ± 0.0143
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123053531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1024
Semi-minor axis of confidence ellipse (meter) 598
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.00095
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 123053531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-12 04:42:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.RRL.HHZ. 2023-11-12T04:15:30.57 3.0 positive manual Pn 1.01 0
GU.TRAV.HHZ. 2023-11-12T04:15:28.46 0.6 undecidable manual S 214 111.0999 91 -0.77 33
CH.DIX.HHZ. 2023-11-12T04:15:24.24 3.0 undecidable manual S -3.58 0
4P.IT02A.HHE. 2023-11-12T04:15:20.49 0.6 undecidable manual S 191 81.1521 91 -0.75 35
GU.SATI.HHZ. 2023-11-12T04:15:18.82 0.6 undecidable manual S 226 73.7706 91 -0.45 41
CH.MUGIO.HHZ. 2023-11-12T04:15:15.37 0.3 undecidable manual S 141 59.8956 91 -0.19 68
GU.TRAV.HHZ. 2023-11-12T04:15:15.91 0.6 undecidable manual P 214 111.0999 91 0.26 43
MN.TUE.HHZ. 2023-11-12T04:15:15.77 0.6 undecidable manual S 76 62.493 91 -0.48 43
CH.BNALP.HHE. 2023-11-12T04:15:14.85 0.6 undecidable manual S 351 59.3961 91 -0.57 43
IV.VARE.HHZ. 2023-11-12T04:15:13.90 0.3 undecidable manual S 162 55.2003 91 -0.41 64
4P.IT02A.HHE. 2023-11-12T04:15:12.44 0.6 undecidable manual P 191 81.1521 91 1.4 30
GU.SATI.HHZ. 2023-11-12T04:15:10.19 0.6 undecidable manual P 226 73.7706 91 0.29 46
MN.TUE.HHZ. 2023-11-12T04:15:08.75 0.6 positive manual P 76 62.493 91 0.59 43
CH.BNALP.HHE. 2023-11-12T04:15:08.09 0.6 undecidable manual P 351 59.3961 91 0.41 45
CH.MUGIO.HHZ. 2023-11-12T04:15:08.07 0.1 undecidable manual P 141 59.8956 91 0.31 93
IV.VARE.HHZ. 2023-11-12T04:15:07.50 0.6 undecidable manual P 162 55.2003 91 0.46 46
CH.FUSIO.HHZ. 2023-11-12T04:15:03.31 0.1 undecidable manual S 34 15.0738 106 -0.32 98
CH.FUSIO.HHZ. 2023-11-12T04:15:01.15 0.1 positive manual P 34 15.0738 106 0.27 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.FUSIO.HHN. ML:1.0 0.0001005 0.16 AML other m 2023-11-12T04:15:03.37
CH.FUSIO.HHE. ML:1.1 0.00011899999999999999 0.22 AML other m 2023-11-12T04:15:03.38
GU.SATI.HHE. ML:1.0 0.0000137516845 0.1184 AML other m 2023-11-12T04:15:19.66
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download