Earthquake with magnitude of ML 0.4 on date 20-02-2024 and time 09:31:43 (Italy) in region 1 km N Verzegnis (UD)

A magnitude ML 0.4 earthquake occured in region: 1 km N Verzegnis (UD), on

  • 20-02-2024 08:31:43 (UTC)
  • 20-02-2024 09:31:43 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3980, 12.9970 at 4 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
Verzegnis UD 1 863 863
Tolmezzo UD 2 10440 11303
Cavazzo Carnico UD 5 1052 12355
Lauco UD 6 729 13084
Villa Santina UD 6 2233 15317
Zuglio UD 7 595 15912
Amaro UD 8 823 16735
Arta Terme UD 9 2171 18906
Enemonzo UD 9 1319 20225
Preone UD 10 246 20471
Raveo UD 11 458 20929
Bordano UD 12 754 21683
Sutrio UD 13 1332 23015
Venzone UD 13 2117 25132
Socchieve UD 13 908 26040
Ovaro UD 14 1922 27962
Trasaghis UD 14 2227 30189
Cercivento UD 14 679 30868
Paluzza UD 15 2217 33085
Moggio Udinese UD 15 1714 34799
Ravascletto UD 15 536 35335
Treppo Carnico UD 16 618 35953
Ampezzo UD 16 1006 36959
Comeglians UD 16 516 37475
Ligosullo UD 17 116 37591
Osoppo UD 17 2936 40527
Resiutta UD 17 309 40836
Paularo UD 17 2623 43459
Gemona del Friuli UD 17 10964 54423
Vito d'Asio PN 19 769 55192
Tramonti di Sopra PN 19 321 55513
Forgaria nel Friuli UD 19 1786 57299
Clauzetto PN 20 380 57679
Tramonti di Sotto PN 20 387 58066

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 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 0.4 2024-02-20
08:31:43
46.3983 12.9967 5 2024-02-20
08:42:00
Sala Sismica INGV-Roma 125390401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-02-20 08:31:43 ± 0.09
Latitude 46.3983 ± 0.0036
Longitude 12.9967 ± 0.0052
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125390401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 439
Semi-minor axis of confidence ellipse (meter) 114
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 440.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.01619
Epicentral distance of station farthest from the epicenter (degree) 0.24821
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 125390401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-02-20 08:42:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTCC.HHZ. 2024-02-20T08:31:53.71 0.3 undecidable manual S 88 27.3504 99 0.36 68
IV.FVI.HHZ. 2024-02-20T08:31:52.85 0.3 undecidable manual S 323 27.5502 99 -0.55 65
NI.PALA.HHZ. 2024-02-20T08:31:50.29 0.3 undecidable manual S 198 17.871 104 0.16 73
IV.FVI.HHZ. 2024-02-20T08:31:49.28 0.1 undecidable manual P 323 27.5502 99 -0.04 98
OX.BAD.HHE. 2024-02-20T08:31:49.16 0.6 undecidable manual P 134 26.2515 100 0.08 48
OX.MPRI.HHZ. 2024-02-20T08:31:49.92 0.3 undecidable manual S 182 17.4714 104 -0.08 74
IV.PTCC.HHZ. 2024-02-20T08:31:49.24 0.1 undecidable manual P 88 27.3504 99 -0.05 97
OX.CLUD.HHZ. 2024-02-20T08:31:48.02 0.3 undecidable manual S 306 10.9779 112 0.18 73
NI.PURA.HHE. 2024-02-20T08:31:48.04 0.3 undecidable manual P 279 19.6692 103 0.25 71
NI.VINO.HHE. 2024-02-20T08:31:48.67 0.3 undecidable manual P 127 26.751 99 -0.49 67
OX.PLRO.HHZ. 2024-02-20T08:31:47.98 0.3 undecidable manual P 35 20.3685 102 0.07 74
NI.PALA.HHZ. 2024-02-20T08:31:47.37 0.1 undecidable manual P 198 17.871 104 -0.06 99
OX.MPRI.HHZ. 2024-02-20T08:31:47.24 0.1 undecidable manual P 182 17.4714 104 -0.11 98
OX.CLUD.HHZ. 2024-02-20T08:31:46.35 0.1 undecidable manual P 306 10.9779 112 0.25 96
OX.BOO.HHE. 2024-02-20T08:31:46.26 0.3 undecidable manual P 138 11.6772 111 0.01 76
OX.FUSE.HHZ. 2024-02-20T08:31:45.25 0.1 undecidable manual S 11 1.7982 158 -0.15 100
OX.FUSE.HHZ. 2024-02-20T08:31:44.83 0.1 negative manual P 11 1.7982 158 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
NI.PALA.HHE. ML:0.8 0.000058089235 0.2176 AML other m 2024-02-20T08:31:50.73
NI.PALA.HHN. ML:0.8 0.00006039896 0.16 AML other m 2024-02-20T08:31:50.76
OX.FUSE.HHE. ML:0.0 0.00085207175 0.0576 AML other m 2024-02-20T08:31:45.41
OX.FUSE.HHN. ML:0.0 0.0013393740000000002 0.0768 AML other m 2024-02-20T08:31:45.37
OX.FUSE.HNE. ML:0.0 0.0007151563249999999 0.0576 AML other m 2024-02-20T08:31:45.41
OX.FUSE.HNN. ML:0.0 0.0012283334 0.0768 AML other m 2024-02-20T08:31:45.37
OX.CLUD.HHE. ML:0.2 0.000024742819999999998 0.3008 AML other m 2024-02-20T08:31:48.73
OX.CLUD.HHN. ML:0.3 0.000028048715 0.2432 AML other m 2024-02-20T08:31:48.27
OX.MPRI.HHE. ML:0.3 0.00002033903 0.2368 AML other m 2024-02-20T08:31:51.10
OX.MPRI.HHN. ML:0.4 0.000026379680000000003 0.1216 AML other m 2024-02-20T08:31:50.31
OX.PLRO.HHE. ML:0.3 0.000014066175000000001 0.1216 AML other m 2024-02-20T08:31:52.91
OX.PLRO.HHN. ML:0.5 0.0000255262215 0.16 AML other m 2024-02-20T08:31:53.04
IV.PTCC.HHE. ML:0.4 0.0000157115785 0.2176 AML other m 2024-02-20T08:31:55.11
IV.PTCC.HHN. ML:0.4 0.00001314819 0.16 AML other m 2024-02-20T08:31:55.63
IV.FVI.HHE. ML:0.6 0.0000188419595 0.16 AML other m 2024-02-20T08:31:53.23
IV.FVI.HHN. ML:0.4 0.000013372280000000001 0.0576 AML other m 2024-02-20T08:31:53.52
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download