Earthquake with magnitude of ML 0.6 on date 02-12-2020 and time 22:54:55 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 0.6 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 02-12-2020 21:54:55 (UTC)
  • 02-12-2020 22:54:55 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.9180, 7.2270 at 10 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Ollomont AO 10 157 157
Saint-Oyen AO 10 203 360
Etroubles AO 11 501 861
Saint-Rhémy-en-Bosses AO 11 338 1199
Allein AO 12 229 1428
Doues AO 13 510 1938
Valpelline AO 13 657 2595
Oyace AO 14 219 2814
Bionaz AO 16 236 3050
Roisan AO 16 1036 4086
Gignod AO 16 1710 5796

Municipalities with at least 50000 inhabitants

An earthquake occurred to
100 Km NW of Torino (890529 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 0.6 2020-12-02
21:54:55
45.9175 7.227 10 2021-02-26
14:56:17
Bollettino Sismico Italiano INGV 86654261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-02 21:54:55 ± 0.17
Latitude 45.9175 ± 0.0126
Longitude 7.2270 ± 0.0220
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86654261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2058
Semi-minor axis of confidence ellipse (meter) 348
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 309
Circular confidence region, given by single value of horizontal uncertainty (meter) 2060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
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) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.09353
Epicentral distance of station farthest from the epicenter (degree) 0.46225
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:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 86654261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-28 12:04:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.LSD.HHZ. 2020-12-02T21:55:11.69 0.6 undecidable manual S 188 51.3153 50 -0.58 42
GU.LSD.HHZ. 2020-12-02T21:55:05.65 0.3 undecidable manual P 188 51.3153 50 0.3 68
CH.DIX.HHZ. 2020-12-02T21:55:04.14 0.3 undecidable manual S 38 22.755 114 -0.4 71
GU.BLANC.HHZ. 2020-12-02T21:55:04.75 0.6 undecidable manual S 250 24.0537 113 -0.18 49
IV.MRGE.HHZ. 2020-12-02T21:55:03.60 0.6 undecidable manual S 218 20.868 116 -0.31 48
GU.BLANC.HHZ. 2020-12-02T21:55:01.13 0.6 undecidable manual P 250 24.0537 113 0.02 51
CH.DIX.HHZ. 2020-12-02T21:55:01.13 0.3 undecidable manual P 38 22.755 114 0.25 73
IV.MRGE.HHZ. 2020-12-02T21:55:00.65 0.1 positive manual P 218 20.868 116 0.13 100
GU.REMY.HHZ. 2020-12-02T21:55:00.73 0.3 undecidable manual S 212 10.3785 134 -0.18 75
GU.REMY.HHZ. 2020-12-02T21:54:59.17 0.1 positive manual P 212 10.3785 134 0.38 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
GU.REMY.HHE. ML:0.4 0.00002975825 0.1152 AML other m 2020-12-02T21:55:01.20
GU.REMY.HHN. ML:0.4 0.00003584744 0.064 AML other m 2020-12-02T21:55:01.02
IV.MRGE.HHE. ML:0.6 0.000025062995 0.0768 AML other m 2020-12-02T21:55:04.09
IV.MRGE.HHN. ML:0.6 0.000029874690000000003 0.0768 AML other m 2020-12-02T21:55:04.02
CH.DIX.HHN. ML:0.9 0.00005409255 0.2816 AML other m 2020-12-02T21:55:04.31
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