Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 06-12-2022 and time 18:28:56 (Italy) in region Confine Italia Svizzera (SVIZZERA)

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

  • 06-12-2022 17:28:56 (UTC)
  • 06-12-2022 18:28:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.0160, 7.4280 at 3 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Bionaz AO 16 236 236
Oyace AO 19 219 455

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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 1.1 2022-12-06
17:28:56		 46.016 7.4277 3 2024-03-01
15:28:12		 Bollettino Sismico Italiano INGV 113057901
Reviewed
Rev100 		ML 1.2 2022-12-06
17:28:57		 45.982 7.4288 5 2022-12-06
17:54:16		 Sala Sismica INGV-Roma 112571281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-12-06 17:28:56 ± 0.14
Latitude 46.0160 ± 0.0081
Longitude 7.4277 ± 0.0117
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 113057901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 847
Semi-minor axis of confidence ellipse (meter) 532
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 84
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.95508
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 113057901
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-28 14:47:06

ML:1.2

Field Value
Value 1.2
Uncertainty 0.0
Num. used stations 6
Type of magnitude ML
Reference to an origin 112571281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-12-06 17:54:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2022-12-06T17:30:27.02 3.0 undecidable manual Pn -3.11 0
IV.MMO1.EHZ. 2022-12-06T17:30:17.11 3.0 undecidable manual Pn -0.84 0
GU.RNCA.HHZ. 2022-12-06T17:30:12.76 3.0 undecidable manual Sg 14.9 0
MN.TRI.HHZ. 2022-12-06T17:30:11.40 3.0 negative manual Pg 4.58 0
NI.VINO.HHZ. 2022-12-06T17:30:10.23 3.0 positive manual Pg 8.44 0
GU.FIVI.HNZ. 2022-12-06T17:29:47.51 3.0 undecidable manual Pg 5.82 0
GU.GBOS.HHZ. 2022-12-06T17:29:25.18 3.0 undecidable manual Pn -5.35 0
GU.TRAV.HHZ. 2022-12-06T17:29:16.36 0.3 undecidable manual S 156 61.0944 50 -0.77 56
CH.GIMEL.HHE. 2022-12-06T17:29:15.92 0.3 undecidable manual P 303 106.0161 50 0.54 56
GU.CIRO.HHZ. 2022-12-06T17:29:12.16 0.6 undecidable manual S 167 47.2194 94 -0.87 37
IV.MRGE.HHZ. 2022-12-06T17:29:09.61 0.6 undecidable manual S 226 39.3273 95 -0.7 40
GU.SATI.HHZ. 2022-12-06T17:29:09.66 0.6 undecidable manual S 114 37.4292 95 0.02 48
GU.LSD.HHZ. 2022-12-06T17:29:09.13 0.3 undecidable manual P 200 65.7897 50 -0.05 68
GU.TRAV.HHZ. 2022-12-06T17:29:08.44 0.3 undecidable manual P 156 61.0944 50 -0.02 69
GU.REMY.HHE. 2022-12-06T17:29:06.64 0.3 undecidable manual S 227 28.749 96 -0.02 73
GU.CIRO.HHZ. 2022-12-06T17:29:06.33 0.3 undecidable manual P 167 47.2194 94 0.24 68
GU.SATI.HHZ. 2022-12-06T17:29:04.66 0.1 undecidable manual P 114 37.4292 95 0.52 86
CH.MMK.HHE. 2022-12-06T17:29:04.98 0.3 undecidable manual P 85 41.5251 94 0.03 71
IV.MRGE.HHZ. 2022-12-06T17:29:04.68 0.1 undecidable manual P 226 39.3273 95 0.16 93
GU.REMY.HHE. 2022-12-06T17:29:02.99 0.1 undecidable manual P 227 28.749 96 0.57 86
CH.DIX.HHZ. 2022-12-06T17:28:58.71 0.1 undecidable manual S 348 7.2927 113 -0.65 86
CH.DIX.HHZ. 2022-12-06T17:28:58.28 0.1 undecidable manual P 348 7.2927 113 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MRGE.HHN. ML:1.2 0.0000539 0.44 AML other m 2022-12-06T17:29:09.99
IV.MRGE.HHE. ML:1.1 0.0000506 0.22 AML other m 2022-12-06T17:29:09.97
GU.SATI.HHN. ML:1.2 0.00006045 0.78 AML other m 2022-12-06T17:29:11.09
GU.SATI.HHE. ML:1.2 0.0000577 1.44 AML other m 2022-12-06T17:29:11.19
GU.CIRO.HHE. ML:0.5 0.000012074821499999999 0.1664 AML other m 2022-12-06T17:29:13.40
GU.CIRO.HHN. ML:0.5 0.000010737237 0.1408 AML other m 2022-12-06T17:29:18.92
GU.TRAV.HHE. ML:1.2 0.0000307 0.2 AML other m 2022-12-06T17:29:19.26
GU.TRAV.HHN. ML:1.2 0.000033799999999999995 0.28 AML other m 2022-12-06T17:29:21.07
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