Earthquake with magnitude of ML 1.0 on date 22-02-2023 and time 16:39:22 (Italy) in region 3 km SE Lauco (UD)

A magnitude ML 1.0 earthquake occured in region: 3 km SE Lauco (UD), on

  • 22-02-2023 15:39:22 (UTC)
  • 22-02-2023 16:39:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.4120, 12.9630 at 9 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
Lauco UD 3 729 729
Villa Santina UD 3 2233 2962
Verzegnis UD 3 863 3825
Tolmezzo UD 4 10440 14265
Enemonzo UD 6 1319 15584
Zuglio UD 7 595 16179
Preone UD 7 246 16425
Raveo UD 8 458 16883
Cavazzo Carnico UD 8 1052 17935
Arta Terme UD 8 2171 20106
Socchieve UD 11 908 21014
Amaro UD 11 823 21837
Ovaro UD 11 1922 23759
Sutrio UD 11 1332 25091
Ampezzo UD 13 1006 26097
Cercivento UD 13 679 26776
Ravascletto UD 13 536 27312
Comeglians UD 13 516 27828
Paluzza UD 14 2217 30045
Treppo Carnico UD 15 618 30663
Bordano UD 15 754 31417
Venzone UD 16 2117 33534
Ligosullo UD 17 116 33650
Trasaghis UD 17 2227 35877
Rigolato UD 17 448 36325
Prato Carnico UD 17 904 37229
Tramonti di Sopra PN 17 321 37550
Paularo UD 18 2623 40173
Moggio Udinese UD 18 1714 41887
Tramonti di Sotto PN 19 387 42274
Osoppo UD 20 2936 45210
Vito d'Asio PN 20 769 45979
Resiutta UD 20 309 46288

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of Udine (99169 inhabitants)
56 Km NE of Pordenone (51229 inhabitants)
100 Km NE of Treviso (83731 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 2023-02-22
15:39:22
46.4123 12.9628 9 2023-02-22
15:45:27
Sala Sismica INGV-Roma 114702721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-22 15:39:22 ± 0.08
Latitude 46.4123 ± 0.0036
Longitude 12.9628 ± 0.0065
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114702721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 553
Semi-minor axis of confidence ellipse (meter) 369
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 299
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40290
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 114702721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-22 15:45:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.DRE.HHZ. 2023-02-22T15:39:41.31 3.0 undecidable manual S -0.61 0
OX.ACOM.HHZ. 2023-02-22T15:39:37.92 0.6 undecidable manual S 70 44.7219 50 0.44 43
OX.MLN.HHZ. 2023-02-22T15:39:36.47 0.3 undecidable manual S 223 39.5271 50 0.38 66
NI.VINO.HHZ. 2023-02-22T15:39:33.52 0.3 undecidable manual S 126 29.748 50 0.04 72
OX.ACOM.HHZ. 2023-02-22T15:39:31.28 1.0 undecidable manual P 70 44.7219 50 0.04 23
OX.PLRO.HHZ. 2023-02-22T15:39:30.47 0.3 undecidable manual S 43 20.7681 114 -0.16 72
NI.PALA.HHZ. 2023-02-22T15:39:30.14 0.3 undecidable manual S 189 18.7701 117 0.13 72
OX.MPRI.HHZ. 2023-02-22T15:39:30.11 0.3 undecidable manual S 174 19.1697 116 0 74
OX.MLN.HHZ. 2023-02-22T15:39:30.19 0.6 undecidable manual P 223 39.5271 50 -0.25 45
NI.VINO.HHZ. 2023-02-22T15:39:28.67 0.1 undecidable manual P 126 29.748 50 -0.26 92
OX.PLRO.HHZ. 2023-02-22T15:39:27.15 0.1 undecidable manual P 43 20.7681 114 -0.14 96
OX.FUSE.HHZ. 2023-02-22T15:39:26.41 0.3 undecidable manual S 86 2.8971 163 0.27 72
OX.MPRI.HHZ. 2023-02-22T15:39:26.76 0.1 positive manual P 174 19.1697 116 -0.23 94
OX.CLUD.HHZ. 2023-02-22T15:39:26.96 0.1 undecidable manual S 309 7.9809 140 -0.03 100
NI.PALA.HHZ. 2023-02-22T15:39:26.69 0.1 undecidable manual P 189 18.7701 117 -0.24 94
OX.FUSE.HHZ. 2023-02-22T15:39:25.05 0.1 negative manual P 86 2.8971 163 0.36 94
OX.CLUD.HHZ. 2023-02-22T15:39:25.13 0.3 negative manual P 309 7.9809 140 -0.06 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.FUSE.HHN. ML:1.7 0.001044 0.2 AML other m 2023-02-22T15:39:26.96
OX.FUSE.HNN. ML:1.7 0.0009440000000000001 0.2 AML other m 2023-02-22T15:39:26.96
OX.FUSE.HNE. ML:1.2 0.0003215 0.2 AML other m 2023-02-22T15:39:26.97
OX.CLUD.HHE. ML:0.7 0.00007325 1.54 AML other m 2023-02-22T15:39:26.20
OX.FUSE.HHE. ML:1.2 0.0003025 0.2 AML other m 2023-02-22T15:39:26.97
OX.CLUD.HHN. ML:0.8 0.00008479999999999999 0.76 AML other m 2023-02-22T15:39:27.32
NI.PALA.HHE. ML:1.2 0.0001164 0.46 AML other m 2023-02-22T15:39:30.73
OX.MPRI.HHE. ML:0.8 0.000054800000000000004 0.46 AML other m 2023-02-22T15:39:30.71
OX.PLRO.HHE. ML:1.2 0.00011075 0.32 AML other m 2023-02-22T15:39:30.92
OX.MPRI.HHN. ML:1.0 0.0000732 0.88 AML other m 2023-02-22T15:39:30.78
OX.PLRO.HHN. ML:1.3 0.000147 0.16 AML other m 2023-02-22T15:39:30.80
NI.PALA.HHN. ML:1.1 0.0001065 0.78 AML other m 2023-02-22T15:39:31.43
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