Earthquake with magnitude of ML 0.4 on date 09-05-2023 and time 15:55:40 (UTC) in region 3 km NW Verzegnis (UD)

A magnitude ML 0.4 earthquake occured in region: 3 km NW Verzegnis (UD), on

  • 09-05-2023 15:55:40 (UTC)
  • 09-05-2023 17:55:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4130, 12.9790 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 3 863 863
Tolmezzo UD 3 10440 11303
Lauco UD 4 729 12032
Villa Santina UD 4 2233 14265
Zuglio UD 7 595 14860
Cavazzo Carnico UD 7 1052 15912
Enemonzo UD 8 1319 17231
Arta Terme UD 8 2171 19402
Preone UD 9 246 19648
Raveo UD 9 458 20106
Amaro UD 10 823 20929
Sutrio UD 11 1332 22261
Ovaro UD 12 1922 24183
Socchieve UD 12 908 25091
Cercivento UD 13 679 25770
Paluzza UD 13 2217 27987
Ravascletto UD 13 536 28523
Ampezzo UD 14 1006 29529
Comeglians UD 14 516 30045
Treppo Carnico UD 14 618 30663
Bordano UD 15 754 31417
Venzone UD 15 2117 33534
Ligosullo UD 16 116 33650
Trasaghis UD 16 2227 35877
Moggio Udinese UD 17 1714 37591
Paularo UD 17 2623 40214
Rigolato UD 18 448 40662
Prato Carnico UD 18 904 41566
Tramonti di Sopra PN 18 321 41887
Resiutta UD 19 309 42196
Osoppo UD 19 2936 45132
Gemona del Friuli UD 19 10964 56096
Vito d'Asio PN 20 769 56865
Tramonti di Sotto PN 20 387 57252

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of Udine (99169 inhabitants)
57 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 2023-05-09
15:55:40
46.4127 12.9793 4 2023-05-09
16:02:33
Sala Sismica INGV-Roma 117190051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-09 15:55:40 ± 0.06
Latitude 46.4127 ± 0.0018
Longitude 12.9793 ± 0.0026
Depth (km) 4 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117190051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 229
Semi-minor axis of confidence ellipse (meter) 97
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 333
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.01529
Epicentral distance of station farthest from the epicenter (degree) 0.17897
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 117190051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-09 16:02:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.PLRO.HHZ. 2023-05-09T15:55:48.04 0.3 undecidable manual S 40 19.869 100 0.04 73
NI.PALA.HHZ. 2023-05-09T15:55:47.82 0.3 undecidable manual S 193 19.0698 101 0.09 72
NI.PURA.HHE. 2023-05-09T15:55:47.58 0.3 undecidable manual S 275 18.1707 101 0.14 71
OX.PLRO.HHZ. 2023-05-09T15:55:45.03 0.3 undecidable manual P 40 19.869 100 -0.01 73
OX.MPRI.HHZ. 2023-05-09T15:55:44.74 1.0 positive manual P 178 19.0698 101 -0.14 24
NI.PURA.HHE. 2023-05-09T15:55:44.71 0.3 undecidable manual P 275 18.1707 101 0 73
OX.CLUD.HHZ. 2023-05-09T15:55:44.19 0.3 undecidable manual S 303 8.9799 112 -0.15 72
NI.PALA.HHZ. 2023-05-09T15:55:44.71 0.3 undecidable manual P 193 19.0698 101 -0.17 71
OX.FUSE.HHZ. 2023-05-09T15:55:42.36 0.1 undecidable manual S 84 1.6983 155 -0.03 100
OX.CLUD.HHZ. 2023-05-09T15:55:42.96 0.6 positive manual P 303 8.9799 112 0.04 49
OX.FUSE.HHZ. 2023-05-09T15:55:41.87 0.1 positive manual P 84 1.6983 155 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.PLRO.HHE. ML:0.4 0.000017749999999999998 0.3 AML other m 2023-05-09T15:55:49.58
OX.PLRO.HHN. ML:0.6 0.00003115 0.44 AML other m 2023-05-09T15:55:49.51
OX.FUSE.HHE. ML:0.0 0.00052598795 0.0768 AML other m 2023-05-09T15:55:42.39
OX.FUSE.HHN. ML:0.0 0.0003708924 0.0768 AML other m 2023-05-09T15:55:42.37
OX.FUSE.HNE. ML:0.0 0.000454629 0.0768 AML other m 2023-05-09T15:55:42.39
OX.FUSE.HNN. ML:0.0 0.00037714045000000003 0.1408 AML other m 2023-05-09T15:55:42.50
OX.CLUD.HNE. ML:0.0 0.000028029795 0.3456 AML other m 2023-05-09T15:55:44.22
OX.CLUD.HNN. ML:0.0 0.000026266915000000002 1.5104 AML other m 2023-05-09T15:55:44.54
NI.PALA.HHE. ML:0.2 0.0000149949261 0.3968 AML other m 2023-05-09T15:55:49.69
NI.PALA.HHN. ML:0.6 0.000033027720000000004 1.0112 AML other m 2023-05-09T15:55:48.90
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