Earthquake with magnitude of ML 1.0 on date 11-12-2020 and time 09:28:25 (UTC) in region 6 km NW Silandro (BZ)

A magnitude ML 1.0 earthquake occured in region: 6 km NW Silandro (BZ), on

  • 11-12-2020 09:28:25 (UTC)
  • 11-12-2020 10:28:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.6780, 10.7520 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
Silandro BZ 6 6016 6016
Lasa BZ 8 3993 10009
Laces BZ 11 5188 15197
Senales BZ 13 1267 16464
Martello BZ 13 869 17333
Sluderno BZ 13 1804 19137
Castelbello-Ciardes BZ 13 2309 21446
Prato allo Stelvio BZ 14 3474 24920
Glorenza BZ 15 896 25816
Malles Venosta BZ 16 5162 30978
Stelvio BZ 18 1161 32139
Naturno BZ 20 5739 37878

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km W of Bolzano (106441 inhabitants)
73 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 1.0 2020-12-11
09:28:25
46.6782 10.752 11 2020-12-11
09:45:05
Sala Sismica INGV-Roma 85352451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-11 09:28:25 ± 0.13
Latitude 46.6782 ± 0.0072
Longitude 10.7520 ± 0.0052
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 85352451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 830
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 830.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67359
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 13
Type of magnitude ML
Reference to an origin 85352451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-11 09:45:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TDS.HHZ. 2020-12-11T09:29:54.86 3.0 negative manual Pn 9.12 0
IV.CIGN.HHZ. 2020-12-11T09:29:30.98 3.0 negative manual Pg 15.4 0
IV.SARZ.HNZ. 2020-12-11T09:29:20.28 3.0 undecidable manual Sg 6.83 0
IV.MURB.HHZ. 2020-12-11T09:29:19.74 3.0 undecidable manual Sn -2.25 0
IV.MILN.HNZ. 2020-12-11T09:29:09.83 3.0 undecidable manual Sg 3.27 0
IT.FIE.HGZ. 2020-12-11T09:29:09.10 3.0 undecidable manual Sn -0.55 0
GU.SATI.HHZ. 2020-12-11T09:28:57.66 3.0 positive manual Pg 7.66 0
IV.NRCA.HHZ. 2020-12-11T09:28:57.58 3.0 undecidable manual Pn 2.9 0
IV.ARVD.HHZ. 2020-12-11T09:28:47.96 3.0 undecidable manual Pn 1.1 0
CH.DAVOX.HHN. 2020-12-11T09:28:46.01 0.6 undecidable manual S 280 67.2771 50 0.19 62
CH.BERNI.HHZ. 2020-12-11T09:28:44.69 0.3 undecidable manual S 242 62.8926 50 0.05 97
SI.ROSI.HHZ. 2020-12-11T09:28:42.85 0.3 undecidable manual S 61 57.2982 50 -0.29 94
IV.SARZ.HNZ. 2020-12-11T09:28:42.87 3.0 undecidable manual Pn -0.53 0
SI.ABSI.HHE. 2020-12-11T09:28:39.27 0.3 undecidable manual S 82 43.623 50 -0.22 97
IV.BRES.EHZ. 2020-12-11T09:28:38.65 0.6 undecidable manual P 88 74.7696 50 0.33 60
IV.APPI.EHZ. 2020-12-11T09:28:38.88 0.3 undecidable manual S 121 42.5241 50 -0.33 95
IV.BRMO.HHZ. 2020-12-11T09:28:37.35 0.6 undecidable manual S 232 36.6411 50 -0.28 65
ST.OZOL.EHZ. 2020-12-11T09:28:37.87 0.3 undecidable manual S 143 38.0286 50 -0.14 100
CH.FUORN.HHZ. 2020-12-11T09:28:37.77 0.3 undecidable manual S 260 37.7289 50 -0.16 100
CH.DAVOX.HHN. 2020-12-11T09:28:36.74 0.6 undecidable manual P 280 67.2771 50 -0.43 59
CH.BERNI.HHZ. 2020-12-11T09:28:36.98 0.3 undecidable manual P 242 62.8926 50 0.5 89
SI.ROSI.HHZ. 2020-12-11T09:28:35.78 0.3 undecidable manual P 61 57.2982 50 0.16 96
ST.OZOL.EHZ. 2020-12-11T09:28:33.04 0.3 undecidable manual P 143 38.0286 50 0.38 95
IV.APPI.EHZ. 2020-12-11T09:28:33.75 0.3 undecidable manual P 121 42.5241 50 0.4 94
SI.ABSI.HHE. 2020-12-11T09:28:33.60 0.3 undecidable manual P 82 43.623 50 0.09 100
CH.FUORN.HHZ. 2020-12-11T09:28:32.80 0.3 undecidable manual P 260 37.7289 50 0.19 99
IV.CAVE.HHZ. 2020-12-11T09:28:32.97 3.0 positive manual P 0.08 0
IV.BRMO.HHZ. 2020-12-11T09:28:32.38 0.6 undecidable manual P 232 36.6411 50 -0.06 68
SI.MOSI.HHE. 2020-12-11T09:28:32.17 0.6 undecidable manual S 246 16.872 123 -0.13 69
SI.MOSI.HHE. 2020-12-11T09:28:29.04 0.3 undecidable manual P 246 16.872 123 -0.32 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
ST.OZOL.HNN. ML:2.1 0.0004163649 1.76 AML other m 2020-12-11T09:28:56.56
CH.FUORN.HHN. ML:0.7 0.0000176848015 0.3008 AML other m 2020-12-11T09:28:38.89
ST.OZOL.EHE. ML:1.0 0.000038396569999999995 0.1408 AML other m 2020-12-11T09:28:38.74
ST.OZOL.EHN. ML:0.9 0.000027760643500000002 0.1792 AML other m 2020-12-11T09:28:37.99
ST.OZOL.HNE. ML:2.1 0.0006440206499999999 1.1392 AML other m 2020-12-11T09:28:42.53
IV.APPI.EHE. ML:1.0 0.000036632285 0.1408 AML other m 2020-12-11T09:28:39.65
IV.APPI.EHN. ML:1.0 0.000035097514999999995 0.0832 AML other m 2020-12-11T09:28:39.44
SI.ROSI.HHE. ML:1.1 0.000029093639000000002 0.2624 AML other m 2020-12-11T09:28:44.33
SI.ROSI.HHN. ML:1.2 0.00003257016999999999 0.32 AML other m 2020-12-11T09:28:44.36
CH.BERNI.HHE. ML:0.7 0.000008888795 0.0704 AML other m 2020-12-11T09:28:46.56
CH.BERNI.HHN. ML:0.7 0.000011241376000000002 0.0768 AML other m 2020-12-11T09:28:45.91
IV.ARVD.HHE. ML:2.5 0.000020874855000000003 0.0768 AML other m 2020-12-11T09:29:53.05
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