Earthquake (quarry blast) with magnitude of ML 1.0 on date 20-12-2023 and time 17:02:57 (Italy) in region 4 km NW Cogollo del Cengio (VI)

A magnitude ML 1.0 (quarry blast) earthquake occured in region: 4 km NW Cogollo del Cengio (VI), on

  • 20-12-2023 16:02:57 (UTC)
  • 20-12-2023 17:02:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.8180, 11.4030 at 0 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Event type: quarry blast.

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
Cogollo del Cengio VI 4 3254 3254
Velo d'Astico VI 4 2403 5657
Arsiero VI 4 3192 8849
Rotzo VI 5 666 9515
Tonezza del Cimone VI 6 521 10036
Piovene Rocchette VI 7 8346 18382
Caltrano VI 7 2552 20934
Valdastico VI 8 1297 22231
Chiuppano VI 8 2598 24829
Roana VI 8 4321 29150
Santorso VI 9 5769 34919
Carrè VI 9 3667 38586
Laghi VI 10 133 38719
Calvene VI 10 1314 40033
Asiago VI 11 6426 46459
Posina VI 11 566 47025
Zanè VI 12 6653 53678
Lugo di Vicenza VI 12 3691 57369
Schio VI 12 39355 96724
Pedemonte VI 13 774 97498
Luserna TN 13 276 97774
Zugliano VI 13 6835 104609
Torrebelvicino VI 13 5917 110526
Thiene VI 14 24363 134889
Valli del Pasubio VI 14 3242 138131
Lusiana VI 14 2660 140791
Gallio VI 14 2396 143187
Marano Vicentino VI 14 9515 152702
Fara Vicentino VI 14 3852 156554
Salcedo VI 14 1028 157582
Lastebasse VI 15 208 157790
San Vito di Leguzzano VI 15 3608 161398
Sarcedo VI 16 5271 166669
Conco VI 16 2158 168827
Lavarone TN 17 1138 169965
Breganze VI 18 8677 178642
Malo VI 18 14951 193593
Monte di Malo VI 18 2885 196478
Recoaro Terme VI 19 6453 202931
Molvena VI 19 2576 205507
Villaverla VI 19 6127 211634
Pianezze VI 19 2144 213778
Mason Vicentino VI 20 3503 217281
Foza VI 20 695 217976

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km NW of Vicenza (112953 inhabitants)
35 Km SE of Trento (117317 inhabitants)
53 Km NE of Verona (258765 inhabitants)
59 Km NW of Padova (210401 inhabitants)
68 Km W of Treviso (83731 inhabitants)
76 Km S of Bolzano (106441 inhabitants)
84 Km W of Venezia (263352 inhabitants)
88 Km NW of Rovigo (51867 inhabitants)
97 Km E of Brescia (196480 inhabitants)
99 Km W of Pordenone (51229 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 2023-12-20
16:02:57
45.8185 11.403 1 2023-12-20
16:22:21
Sala Sismica INGV-Roma 124164911
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-20 16:02:57 ± 0.55
Latitude 45.8185 ± 0.0351
Longitude 11.4030 ± 0.0516
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 124164911

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4580
Semi-minor axis of confidence ellipse (meter) 3130
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 314
Circular confidence region, given by single value of horizontal uncertainty (meter) 4580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.83
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54139
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.5
Num. used stations 4
Type of magnitude ML
Reference to an origin 124164911
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-20 16:22:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CERT.HHZ. 2023-12-20T16:04:42.85 3.0 undecidable manual Sn -2.37 0
GU.RRL.HHZ. 2023-12-20T16:04:33.91 3.0 undecidable manual Sn 10.14 0
IV.MMO1.EHZ. 2023-12-20T16:04:27.32 3.0 undecidable manual Sn 2.09 0
GU.GBOS.HHZ. 2023-12-20T16:04:19.45 3.0 undecidable manual Sn 3.36 0
IV.TREM.HHZ. 2023-12-20T16:04:08.15 3.0 negative manual Pn 3.69 0
IV.SSFR.HHZ. 2023-12-20T16:04:08.77 3.0 undecidable manual Sn -0.71 0
IV.LPEL.HHZ. 2023-12-20T16:04:04.36 3.0 undecidable manual Pn 5.89 0
IV.SFI.EHZ. 2023-12-20T16:04:01.43 3.0 undecidable manual Sg 7.19 0
IV.PIEI.HHZ. 2023-12-20T16:03:29.06 3.0 negative manual Pn -4.24 0
CH.FUORN.HHZ. 2023-12-20T16:03:09.64 3.0 undecidable manual P 0.78 0
IV.ZOVE.EHZ. 2023-12-20T16:03:06.76 0.6 undecidable manual P 171 41.0256 91 0.99 38
SI.LUSI.HHZ. 2023-12-20T16:03:06.11 0.1 undecidable manual P 294 38.7279 91 0.78 84
IV.MAGA.HHZ. 2023-12-20T16:03:04.11 0.1 negative manual P 60.0954 -5.48 0
IV.CTI.HHZ. 2023-12-20T16:03:03.68 0.1 undecidable manual P 37 31.8459 91 -0.25 100
ST.VARA.EHZ. 2023-12-20T16:03:03.87 1.0 negative manual P 271 39.1275 91 -1.53 14
OX.MARN.HHZ. 2023-12-20T16:03:02.98 1.0 undecidable manual P 217 24.9528 91 0.41 24
IV.ROVR.HHZ. 2023-12-20T16:03:02.51 0.3 positive manual P 233 31.9458 91 -1.44 46
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CTI.HHN. ML:0.6 0.0000195 0.42 AML other m 2023-12-20T16:03:02.54
ST.VARA.EHN. ML:1.3 0.0000825 0.96 AML other m 2023-12-20T16:03:08.97
ST.VARA.EHE. ML:1.5 0.00011075 0.98 AML other m 2023-12-20T16:03:08.91
IV.CTI.HHE. ML:0.5 0.000017100000000000002 1.46 AML other m 2023-12-20T16:03:10.23
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