Earthquake with magnitude of ML 1.7 on date 20-11-2019 and time 20:10:24 (Italy) in region Svizzera (SVIZZERA)

A magnitude ML 1.7 earthquake occured in region: Svizzera (SVIZZERA), on

  • 20-11-2019 19:10:24 (UTC)
  • 20-11-2019 20:10:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.6810, 8.5300 at 7 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
99 Km N 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 1.7 2019-11-20
19:10:24
46.6812 8.53 7 2020-02-28
16:42:18
Bollettino Sismico Italiano INGV 75362451
Reviewed
Rev100
ML 1.7 2019-11-20
19:10:24
46.6765 8.5103 8 2019-11-20
19:20:05
Sala Sismica INGV-Roma 73937471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-11-20 19:10:24 ± 0.1
Latitude 46.6812 ± 0.0045
Longitude 8.5300 ± 0.0092
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 75362451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 603
Semi-minor axis of confidence ellipse (meter) 430
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.20235
Epicentral distance of station farthest from the epicenter (degree) 1.56212
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 73937471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-11-20 19:20:05

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 75362451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-01-07 14:25:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.GIMEL.HHZ. 2019-11-20T19:10:53.38 1.0 undecidable manual P 265 173.3931 50 0.38 17
CH.MUGIO.HHZ. 2019-11-20T19:10:52.63 0.6 undecidable manual S 155 92.9403 50 0.14 44
IV.VARE.HHZ. 2019-11-20T19:10:51.82 0.3 undecidable manual S 168 92.1411 50 -0.45 62
GU.TRAV.HHZ. 2019-11-20T19:10:48.62 0.1 undecidable manual P 205 142.9458 50 0.3 76
GU.REMY.HHZ. 2019-11-20T19:10:48.08 0.1 undecidable manual P 229 140.8479 50 0.07 80
CH.PLONS.HHZ. 2019-11-20T19:10:47.61 0.3 undecidable manual S 57 76.368 50 -0.46 63
MN.TUE.HHZ. 2019-11-20T19:10:44.92 0.6 undecidable manual S 110 66.4779 50 -0.51 42
CH.DIX.HHZ. 2019-11-20T19:10:42.80 0.1 undecidable manual P 233 108.7134 50 -0.25 83
GU.SATI.HHZ. 2019-11-20T19:10:42.12 0.1 undecidable manual P 210 102.8193 50 -0.01 88
CH.DAVOX.HHZ. 2019-11-20T19:10:42.48 0.6 undecidable manual P 83 103.2189 50 0.28 42
IV.VARE.HHZ. 2019-11-20T19:10:40.78 0.1 undecidable manual P 168 92.1411 50 0.3 85
CH.MUGIO.HHZ. 2019-11-20T19:10:40.94 0.1 undecidable manual P 155 92.9403 50 0.33 84
CH.MMK.HHN. 2019-11-20T19:10:38.51 0.3 undecidable manual P 212 82.251 50 -0.47 63
CH.PLONS.HHZ. 2019-11-20T19:10:38.39 0.1 undecidable manual P 57 76.368 50 0.34 87
MN.TUE.HHZ. 2019-11-20T19:10:36.77 0.1 undecidable manual P 110 66.4779 50 0.24 90
CH.FUSIO.HHZ. 2019-11-20T19:10:33.78 0.3 undecidable manual S 158 27.0507 105 -0.33 71
CH.BNALP.HHZ. 2019-11-20T19:10:32.23 0.3 undecidable manual S 339 22.4553 108 -0.35 72
CH.FUSIO.HHZ. 2019-11-20T19:10:30.09 0.1 negative manual P 158 27.0507 105 0.09 100
CH.BNALP.HHZ. 2019-11-20T19:10:29.25 0.1 negative manual P 339 22.4553 108 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.BNALP.HHE. ML:1.7 0.0003155 0.22 AML other m 2019-11-20T19:10:32.29
CH.BNALP.HHN. ML:1.5 0.0002405 0.2 AML other m 2019-11-20T19:10:32.53
CH.FUSIO.HHN. ML:1.3 0.00011599999999999999 0.16 AML other m 2019-11-20T19:10:33.76
CH.FUSIO.HHE. ML:1.4 0.000142 0.2 AML other m 2019-11-20T19:10:33.87
MN.TUE.HNE. ML:1.5 0.000060049999999999996 0.24 AML other m 2019-11-20T19:10:45.97
MN.TUE.HHE. ML:1.5 0.0000596 0.24 AML other m 2019-11-20T19:10:45.97
MN.TUE.HHN. ML:1.7 0.0001003 0.82 AML other m 2019-11-20T19:10:46.28
MN.TUE.HNN. ML:1.7 0.00009434999999999999 0.34 AML other m 2019-11-20T19:10:46.29
CH.DAVOX.HHN. ML:2.0 0.00009285 0.82 AML other m 2019-11-20T19:11:03.40
CH.DAVOX.HHE. ML:1.9 0.00007425 1.54 AML other m 2019-11-20T19:11:03.98
IV.MABI.HHE. ML:1.8 0.000027 0.92 AML other m 2019-11-20T19:11:15.32
IV.MABI.HHN. ML:1.6 0.000016250000000000002 1.58 AML other m 2019-11-20T19:11:36.79
IV.CRMI.HHE. ML:2.6 0.000027550000000000002 1.04 AML other m 2019-11-20T19:11:57.82
IV.CRMI.HHN. ML:2.6 0.000027499999999999998 0.16 AML other m 2019-11-20T19:12:35.02
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