Earthquake with magnitude of ML 1.4 on date 04-11-2020 and time 02:52:49 (UTC) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 1.4 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 04-11-2020 02:52:49 (UTC)
  • 04-11-2020 03:52:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.0920, 7.6240 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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

An earthquake occurred to
98 Km W of Varese (80799 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
Bulletin
Rev1000
ML 1.4 2020-11-04
02:52:49
46.0923 7.6238 8 2021-02-26
14:56:16
Bollettino Sismico Italiano INGV 86549341
Reviewed
Rev100
ML 1.4 2020-11-04
02:52:49
46.121 7.6307 10 2020-11-04
03:01:02
Sala Sismica INGV-Roma 84436651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-04 02:52:49 ± 0.19
Latitude 46.0923 ± 0.0135
Longitude 7.6238 ± 0.0091
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86549341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1469
Semi-minor axis of confidence ellipse (meter) 492
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 17
Circular confidence region, given by single value of horizontal uncertainty (meter) 1470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 164
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.15019
Epicentral distance of station farthest from the epicenter (degree) 1.03602
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 86549341
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-25 02:48:10

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 84436651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-04 03:01:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.LSD.HHE. 2020-11-04T02:53:14.11 0.6 undecidable manual S 209 79.7646 50 0.08 46
GU.TRAV.HHZ. 2020-11-04T02:53:10.36 0.3 undecidable manual S 172 65.0904 50 0.26 68
CH.GIMEL.HHZ. 2020-11-04T02:53:09.98 0.6 undecidable manual P 296 114.996 50 0.86 34
GU.BLANC.HHE. 2020-11-04T02:53:08.10 0.6 undecidable manual S 243 59.8956 50 -0.62 42
GU.CIRO.HHZ. 2020-11-04T02:53:07.04 0.3 undecidable manual S 185 54.6009 50 -0.26 70
IV.MRGE.HHZ. 2020-11-04T02:53:07.11 0.3 undecidable manual S 231 56.2992 50 -0.64 62
GU.REMY.HHZ. 2020-11-04T02:53:04.70 0.3 undecidable manual S 232 45.8208 50 -0.25 71
GU.LSD.HHE. 2020-11-04T02:53:03.92 0.3 undecidable manual P 209 79.7646 50 0.23 67
GU.TRAV.HHZ. 2020-11-04T02:53:01.98 0.3 undecidable manual P 172 65.0904 50 0.56 63
GU.SATI.HHZ. 2020-11-04T02:53:00.57 0.3 undecidable manual S 142 30.5472 104 0.04 76
GU.CIRO.HHZ. 2020-11-04T02:53:00.03 0.3 undecidable manual P 185 54.6009 50 0.22 70
IV.MRGE.HHZ. 2020-11-04T02:53:00.01 0.1 undecidable manual P 231 56.2992 50 -0.06 96
GU.BLANC.HHE. 2020-11-04T02:53:00.90 0.6 undecidable manual P 243 59.8956 50 0.28 46
CH.MMK.HHE. 2020-11-04T02:52:58.41 0.3 undecidable manual S 100 26.5512 107 -0.78 62
GU.REMY.HHZ. 2020-11-04T02:52:58.45 0.1 positive manual P 232 45.8208 50 0 99
GU.SATI.HHZ. 2020-11-04T02:52:56.37 0.1 undecidable manual P 142 30.5472 104 0.47 92
CH.DIX.HHZ. 2020-11-04T02:52:55.72 0.3 undecidable manual S 265 16.6722 115 -0.24 75
CH.MMK.HHE. 2020-11-04T02:52:54.87 0.1 undecidable manual P 100 26.5512 107 -0.26 98
CH.DIX.HHZ. 2020-11-04T02:52:53.48 0.1 positive manual P 265 16.6722 115 0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.DIX.HHE. ML:1.7 0.000442 1.4 AML other m 2020-11-04T02:52:55.24
CH.DIX.HHN. ML:1.7 0.00048650000000000006 0.46 AML other m 2020-11-04T02:52:56.11
GU.SATI.HHN. ML:1.2 0.00008494999999999999 1.44 AML other m 2020-11-04T02:53:01.02
GU.SATI.HHE. ML:1.1 0.00006735 1.14 AML other m 2020-11-04T02:53:01.37
GU.REMY.HHN. ML:1.3 0.00005795 1.18 AML other m 2020-11-04T02:53:05.70
GU.REMY.HHE. ML:1.2 0.00004285 1.06 AML other m 2020-11-04T02:53:05.33
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