Earthquake with magnitude of ML 1.1 on date 09-12-2020 and time 11:54:52 (Italy) in region Confine Italia Svizzera (SVIZZERA)

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

  • 09-12-2020 10:54:52 (UTC)
  • 09-12-2020 11:54:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.4250, 10.0390 at 11 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
Livigno SO 15 6389 6389

Municipalities with at least 50000 inhabitants

An earthquake occurred to
86 Km NE of Bergamo (119381 inhabitants)
92 Km W of Trento (117317 inhabitants)
99 Km N of Brescia (196480 inhabitants)
100 Km NE of Como (84495 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 2020-12-09
10:54:52
46.4248 10.0392 11 2020-12-09
11:01:57
Sala Sismica INGV-Roma 85315861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-09 10:54:52 ± 0.18
Latitude 46.4248 ± 0.0216
Longitude 10.0392 ± 0.0130
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 85315861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2432
Semi-minor axis of confidence ellipse (meter) 952
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 2430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 146
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.44
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47844
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 85315861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-09 11:01:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.LRNO.HNZ. 2020-12-09T10:56:14.27 3.0 undecidable manual Pg 17.870001 0
IV.RIBO.EHZ.01 2020-12-09T10:56:05.50 3.0 undecidable manual Sn -5.56 0
IV.APEC.HHZ. 2020-12-09T10:56:04.97 3.0 undecidable manual Sn -6.5 0
IV.BRSN.EHZ. 2020-12-09T10:55:58.97 3.0 undecidable manual Sg 1.84 0
IV.AGLI.HHZ. 2020-12-09T10:55:50.82 3.0 positive manual Pn 7.91 0
IV.FREG.EHZ. 2020-12-09T10:55:45.07 3.0 undecidable manual Sg -0.41 0
IV.MNTT.EHZ. 2020-12-09T10:55:44.31 3.0 positive manual Pg 8.3 0
IV.CRTC.HHZ. 2020-12-09T10:55:33.54 3.0 undecidable manual Pg 8.2 0
IV.BLLA.EHZ. 2020-12-09T10:55:24.38 3.0 negative manual Pg 4.62 0
IV.MPAG.EHZ. 2020-12-09T10:55:18.99 3.0 undecidable manual Pn -6.76 0
GU.SATI.HHZ. 2020-12-09T10:55:16.45 3.0 positive manual Pg 18.440001 0
IV.SBPO.HNZ. 2020-12-09T10:55:10.47 3.0 negative manual Pg 5.73 0
MN.TUE.HHZ. 2020-12-09T10:55:08.41 0.1 undecidable manual S 276 53.1024 90 -0.39 88
CH.DAVOX.HHE. 2020-12-09T10:55:05.51 0.3 undecidable manual S 343 41.3253 90 -0.12 71
IV.MNTV.HNZ. 2020-12-09T10:55:02.69 3.0 negative manual P -0.88 0
MN.TUE.HHZ. 2020-12-09T10:55:02.09 0.1 undecidable manual P 276 53.1024 90 0.33 90
IV.BRMO.HHZ. 2020-12-09T10:55:01.13 0.1 undecidable manual S 77 26.0517 91 -0.45 90
IV.BORM.HNE. 2020-12-09T10:55:00.79 0.6 undecidable manual S 79 26.2515 91 -0.83 38
CH.MUGIO.HHZ. 2020-12-09T10:54:59.47 3.0 positive manual Pn 3.5 0
CH.DAVOX.HHE. 2020-12-09T10:54:59.57 0.6 undecidable manual P 343 41.3253 90 -0.37 45
IV.BRMO.HHZ. 2020-12-09T10:54:58.16 0.1 positive manual P 77 26.0517 91 0.56 89
CH.FUORN.HHZ. 2020-12-09T10:54:58.23 0.1 undecidable manual P 38 27.6501 91 0.4 93
IV.BORM.HNE. 2020-12-09T10:54:57.63 0.1 undecidable manual P 79 26.2515 91 0.01 100
CH.BERNI.HHZ. 2020-12-09T10:54:55.70 0.1 undecidable manual S 225 1.6983 169 -0.41 100
CH.BERNI.HHZ. 2020-12-09T10:54:54.78 0.1 undecidable manual P 225 1.6983 169 0.34 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
CH.BERNI.HHE. ML:1.4 0.0003980553 0.0832 AML other m 2020-12-09T10:54:55.85
CH.BERNI.HHN. ML:1.4 0.00036997824999999995 0.096 AML other m 2020-12-09T10:54:55.77
IV.BRMO.HHE. ML:0.7 0.000031244065 0.16 AML other m 2020-12-09T10:55:01.32
IV.BRMO.HHN. ML:0.9 0.00004615247 0.2368 AML other m 2020-12-09T10:55:01.41
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