Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.3 on date 17-12-2019 and time 23:05:23 (Italy) in region Confine Italia Svizzera (SVIZZERA)

A magnitude ML 0.3 earthquake occured in region: Confine Italia Svizzera (SVIZZERA), on

  • 17-12-2019 22:05:23 (UTC)
  • 17-12-2019 23:05:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.5600, 10.3930 at 10 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.

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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
Bormio SO 10 4121 4121
Valdidentro SO 11 4125 8246
Valfurva SO 11 2638 10884
Tubre BZ 11 977 11861
Stelvio BZ 13 1161 13022
Valdisotto SO 14 3556 16578
Prato allo Stelvio BZ 17 3474 20052
Glorenza BZ 18 896 20948
Malles Venosta BZ 19 5162 26110
Sluderno BZ 19 1804 27914
Livigno SO 20 6389 34303

Municipalities with at least 50000 inhabitants

An earthquake occurred to
74 Km W of Bolzano (106441 inhabitants)
78 Km NW of Trento (117317 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 0.3 2019-12-17
22:05:23		 46.5597 10.3928 10 2019-12-17
22:43:43		 Sala Sismica INGV-Roma 74746501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-17 22:05:23 ± 0.14
Latitude 46.5597 ± 0.0063
Longitude 10.3928 ± 0.0105
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 74746501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 788
Semi-minor axis of confidence ellipse (meter) 700
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 110
Circular confidence region, given by single value of horizontal uncertainty (meter) 790.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.08454
Epicentral distance of station farthest from the epicenter (degree) 0.41549
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 74746501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-17 22:43:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CH.DAVOX.HHE. 2019-12-17T22:05:38.63 0.6 undecidable manual S 302 46.1205 50 -0.23 46
CH.BERNI.HHZ. 2019-12-17T22:05:34.70 0.3 undecidable manual S 240 32.5452 50 -0.54 66
CH.DAVOX.HHE. 2019-12-17T22:05:32.54 0.6 undecidable manual P 302 46.1205 50 0.05 48
CH.BERNI.HHZ. 2019-12-17T22:05:30.70 0.1 undecidable manual P 240 32.5452 50 0.3 94
SI.MOSI.HHZ. 2019-12-17T22:05:29.22 0.1 undecidable manual S 62 13.4754 126 -0.35 96
IV.BRMO.HHZ. 2019-12-17T22:05:28.29 0.1 undecidable manual S 190 9.3795 136 -0.21 99
IV.BORM.HNE. 2019-12-17T22:05:28.43 0.1 undecidable manual S 187 10.0788 134 -0.24 99
CH.FUORN.HHZ. 2019-12-17T22:05:28.99 0.1 undecidable manual S 304 11.9769 129 -0.15 100
IV.BORM.HNE. 2019-12-17T22:05:27.07 0.1 undecidable manual P 187 10.0788 134 0.46 94
CH.FUORN.HHZ. 2019-12-17T22:05:27.20 0.1 undecidable manual P 304 11.9769 129 0.32 96
SI.MOSI.HHZ. 2019-12-17T22:05:27.28 0.1 undecidable manual P 62 13.4754 126 0.15 100
IV.BRMO.HHZ. 2019-12-17T22:05:26.72 0.1 undecidable manual P 190 9.3795 136 0.21 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BRMO.HHE. ML:0.0 0.000016556255 0.0768 AML other m 2019-12-17T22:05:28.57
IV.BRMO.HHN. ML:0.2 0.000022442545 0.0512 AML other m 2019-12-17T22:05:28.64
CH.FUORN.HHE. ML:0.3 0.00002269027 0.2816 AML other m 2019-12-17T22:05:29.23
CH.FUORN.HHN. ML:0.2 0.000018625920000000002 0.2304 AML other m 2019-12-17T22:05:29.18
SI.MOSI.HHE. ML:0.5 0.000031070465000000004 0.4224 AML other m 2019-12-17T22:05:31.32
SI.MOSI.HHN. ML:0.5 0.000032450727 0.4352 AML other m 2019-12-17T22:05:33.04
CH.BERNI.HHE. ML:0.5 0.000013382775 1.1392 AML other m 2019-12-17T22:05:35.03
CH.BERNI.HHN. ML:0.1 0.000007412140499999999 3.584 AML other m 2019-12-17T22:05:34.82
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