Earthquake with magnitude of ML 0.9 on date 21-12-2021 and time 14:54:06 (Italy) in region 4 km W Cavazzo Carnico (UD)

A magnitude ML 0.9 earthquake occured in region: 4 km W Cavazzo Carnico (UD), on

  • 21-12-2021 13:54:06 (UTC)
  • 21-12-2021 14:54:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3520, 13.0010 at 8 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
Cavazzo Carnico UD 4 1052 1052
Verzegnis UD 4 863 1915
Tolmezzo UD 6 10440 12355
Amaro UD 8 823 13178
Bordano UD 9 754 13932
Villa Santina UD 9 2233 16165
Lauco UD 10 729 16894
Trasaghis UD 10 2227 19121
Venzone UD 11 2117 21238
Preone UD 11 246 21484
Enemonzo UD 11 1319 22803
Osoppo UD 12 2936 25739
Zuglio UD 12 595 26334
Gemona del Friuli UD 14 10964 37298
Vito d'Asio PN 14 769 38067
Raveo UD 14 458 38525
Arta Terme UD 14 2171 40696
Forgaria nel Friuli UD 14 1786 42482
Socchieve UD 15 908 43390
Clauzetto PN 15 380 43770
Moggio Udinese UD 16 1714 45484
Tramonti di Sopra PN 17 321 45805
Artegna UD 17 2885 48690
Tramonti di Sotto PN 17 387 49077
Montenars UD 17 538 49615
Ampezzo UD 17 1006 50621
Resiutta UD 18 309 50930
Sutrio UD 18 1332 52262
Ovaro UD 18 1922 54184
Castelnovo del Friuli PN 18 880 55064
Buja UD 19 6563 61627
Magnano in Riviera UD 19 2336 63963
Pinzano al Tagliamento PN 19 1525 65488
Majano UD 19 5945 71433
Ragogna UD 19 2909 74342
Cercivento UD 20 679 75021
Paluzza UD 20 2217 77238
Travesio PN 20 1776 79014

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NW of Udine (99169 inhabitants)
51 Km NE of Pordenone (51229 inhabitants)
96 Km NE of Treviso (83731 inhabitants)
98 Km NW of Trieste (204420 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 0.9 2021-12-21
13:54:06
46.352 13.0012 8 2021-12-21
13:59:52
Sala Sismica INGV-Roma 98789601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-21 13:54:06 ± 0.14
Latitude 46.3520 ± 0.0027
Longitude 13.0012 ± 0.0052
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 98789601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 362
Semi-minor axis of confidence ellipse (meter) 214
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 92
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.24911
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 98789601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-21 13:59:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTCC.HHZ. 2021-12-21T13:54:16.04 0.6 undecidable manual S 77 27.6501 105 -0.22 47
OX.PLRO.HHZ. 2021-12-21T13:54:15.11 0.6 undecidable manual S 27 24.5532 107 -0.11 48
NI.VINO.HHZ. 2021-12-21T13:54:14.72 0.6 undecidable manual S 117 23.6541 108 -0.2 47
IV.PTCC.HHZ. 2021-12-21T13:54:12.16 0.3 undecidable manual P 77 27.6501 105 0.11 72
OX.MPRI.HHZ. 2021-12-21T13:54:11.33 0.3 undecidable manual S 185 12.3765 121 0.01 75
NI.VINO.HHZ. 2021-12-21T13:54:11.14 0.1 undecidable manual P 117 23.6541 108 -0.13 96
NI.PALA.HHZ. 2021-12-21T13:54:11.58 0.3 undecidable manual S 207 13.2756 119 0 75
OX.PLRO.HHZ. 2021-12-21T13:54:11.80 0.3 undecidable manual P 27 24.5532 107 0.35 69
OX.CLUD.HHZ. 2021-12-21T13:54:11.69 0.3 undecidable manual S 322 14.7741 117 -0.37 70
OX.MPRI.HHZ. 2021-12-21T13:54:09.28 0.3 undecidable manual P 185 12.3765 121 0.09 74
NI.PALA.HHZ. 2021-12-21T13:54:09.38 0.1 undecidable manual P 207 13.2756 119 0.03 100
OX.FUSE.HHZ. 2021-12-21T13:54:09.92 0.1 undecidable manual S 360 6.8931 137 0.09 100
OX.CLUD.HHZ. 2021-12-21T13:54:09.56 0.1 undecidable manual P 322 14.7741 117 -0.06 99
OX.FUSE.HHZ. 2021-12-21T13:54:08.49 0.1 undecidable manual P 360 6.8931 137 0.15 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.MPRI.HHN. ML:0.9 0.00010350000000000001 0.62 AML other m 2021-12-21T13:54:11.48
OX.CLUD.HHE. ML:0.7 0.0000562 1.32 AML other m 2021-12-21T13:54:11.07
OX.CLUD.HHN. ML:0.6 0.00004085 0.5 AML other m 2021-12-21T13:54:12.29
OX.MPRI.HHE. ML:0.8 0.00007195 0.7 AML other m 2021-12-21T13:54:12.82
OX.PLRO.HHE. ML:0.9 0.0000501 0.5 AML other m 2021-12-21T13:54:15.37
OX.PLRO.HHN. ML:0.9 0.00004965 0.16 AML other m 2021-12-21T13:54:15.47
OX.FUSE.HHE. ML:0.8 0.00011483105 0.096 AML other m 2021-12-21T13:54:10.54
OX.FUSE.HHN. ML:1.0 0.0002002781 0.1024 AML other m 2021-12-21T13:54:10.30
OX.FUSE.HNN. ML:1.0 0.0001802376 0.1024 AML other m 2021-12-21T13:54:10.30
NI.PALA.HHN. ML:0.9 0.0000951249 1.4016 AML other m 2021-12-21T13:54:12.84
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