Earthquake with magnitude of ML 1.1 on date 01-12-2023 and time 12:28:22 (UTC) in region 3 km NE Tolmezzo (UD)

A magnitude ML 1.1 earthquake occured in region: 3 km NE Tolmezzo (UD), on

  • 01-12-2023 12:28:22 (UTC)
  • 01-12-2023 13:28:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.4250, 13.0380 at 11 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
Tolmezzo UD 3 10440 10440
Zuglio UD 4 595 11035
Verzegnis UD 5 863 11898
Arta Terme UD 6 2171 14069
Cavazzo Carnico UD 6 1052 15121
Amaro UD 7 823 15944
Lauco UD 8 729 16673
Villa Santina UD 9 2233 18906
Sutrio UD 10 1332 20238
Paluzza UD 12 2217 22455
Cercivento UD 12 679 23134
Treppo Carnico UD 12 618 23752
Enemonzo UD 12 1319 25071
Moggio Udinese UD 12 1714 26785
Venzone UD 13 2117 28902
Raveo UD 13 458 29360
Ligosullo UD 13 116 29476
Bordano UD 13 754 30230
Paularo UD 13 2623 32853
Preone UD 13 246 33099
Ravascletto UD 14 536 33635
Resiutta UD 14 309 33944
Ovaro UD 15 1922 35866
Trasaghis UD 16 2227 38093
Comeglians UD 16 516 38609
Socchieve UD 17 908 39517
Gemona del Friuli UD 18 10964 50481
Ampezzo UD 19 1006 51487
Osoppo UD 19 2936 54423
Rigolato UD 20 448 54871

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of Udine (99169 inhabitants)
60 Km NE 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 1.1 2023-12-01
12:28:22
46.4253 13.0382 11 2023-12-01
12:37:53
Sala Sismica INGV-Roma 123622521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-01 12:28:22 ± 0.04
Latitude 46.4253 ± 0.0027
Longitude 13.0382 ± 0.0039
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123622521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 361
Semi-minor axis of confidence ellipse (meter) 287
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
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) 105
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27969
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 123622521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-01 12:37:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.CAE.HHZ. 2023-12-01T12:28:35.81 3.0 negative manual P 0.6 0
IV.STAL.HHE. 2023-12-01T12:28:33.08 0.6 undecidable manual S 234 31.0467 50 -0.18 47
NI.VINO.HHE. 2023-12-01T12:28:32.00 0.6 undecidable manual S 136 26.3514 50 0.02 49
OX.SABO.HNZ. 2023-12-01T12:28:32.68 3.0 undecidable manual P 0.01 0
IV.FVI.HHE. 2023-12-01T12:28:32.05 0.6 undecidable manual S 314 27.3504 50 -0.21 47
OX.BAD.HHE. 2023-12-01T12:28:31.99 0.6 undecidable manual S 143 26.4513 50 -0.03 49
NI.PALA.HHZ. 2023-12-01T12:28:31.12 0.6 undecidable manual S 204 21.867 50 0.34 46
OX.MPRI.HHZ. 2023-12-01T12:28:30.49 0.6 undecidable manual S 191 20.868 50 -0.03 49
OX.PLRO.HHZ. 2023-12-01T12:28:29.11 0.6 undecidable manual S 31 16.0728 124 -0.02 50
IV.FVI.HHE. 2023-12-01T12:28:28.14 0.1 undecidable manual P 314 27.3504 50 0.04 98
IV.STAL.HHE. 2023-12-01T12:28:28.77 0.1 undecidable manual P 234 31.0467 50 0.09 96
OX.BOO.HHE. 2023-12-01T12:28:28.36 0.6 undecidable manual S 159 12.5763 130 0.19 48
OX.CLUD.HHZ. 2023-12-01T12:28:27.96 0.6 undecidable manual S 286 12.4764 131 -0.17 49
OX.MPRI.HHZ. 2023-12-01T12:28:27.29 0.3 undecidable manual P 191 20.868 50 0.19 72
OX.BAD.HHE. 2023-12-01T12:28:27.74 0.1 undecidable manual P 143 26.4513 50 -0.22 94
NI.VINO.HHE. 2023-12-01T12:28:27.87 0.1 undecidable manual P 136 26.3514 50 -0.07 97
NI.PALA.HHZ. 2023-12-01T12:28:27.24 0.6 undecidable manual P 204 21.867 50 -0.01 50
OX.PLRO.HHZ. 2023-12-01T12:28:26.49 0.1 undecidable manual P 31 16.0728 124 0.19 96
OX.FUSE.HHZ. 2023-12-01T12:28:26.04 0.6 undecidable manual S 247 3.0969 164 -0.25 49
OX.CLUD.HHZ. 2023-12-01T12:28:25.88 0.6 undecidable manual P 286 12.4764 131 0.16 49
OX.BOO.HHE. 2023-12-01T12:28:25.52 0.1 undecidable manual P 159 12.5763 130 -0.22 97
OX.FUSE.HHZ. 2023-12-01T12:28:24.78 0.1 undecidable manual P 247 3.0969 164 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.FUSE.HHE. ML:0.7 0.00009120000000000001 0.08 AML other m 2023-12-01T12:28:26.09
OX.FUSE.HHN. ML:1.4 0.0004075 0.18 AML other m 2023-12-01T12:28:26.07
OX.FUSE.HNE. ML:0.7 0.00008093286499999999 0.0768 AML other m 2023-12-01T12:28:26.09
OX.FUSE.HNN. ML:1.3 0.0003688018 0.1792 AML other m 2023-12-01T12:28:26.07
NI.PALA.HHE. ML:1.0 0.00007114469500000001 1.1392 AML other m 2023-12-01T12:28:36.05
NI.PALA.HHN. ML:1.2 0.00009574976 1.4592 AML other m 2023-12-01T12:28:33.89
OX.MPRI.HNE. ML:0.8 0.000044404764999999996 2.72 AML other m 2023-12-01T12:28:31.29
OX.MPRI.HNN. ML:1.1 0.0000833965 2.2656 AML other m 2023-12-01T12:28:31.69
OX.MPRI.HHE. ML:0.8 0.00004286707 1.8816 AML other m 2023-12-01T12:28:28.36
OX.MPRI.HHN. ML:1.0 0.00007093792 4.7808 AML other m 2023-12-01T12:28:36.78
OX.CAE.HHE. ML:1.4 0.00004807566 1.8176 AML other m 2023-12-01T12:28:54.56
OX.CAE.HHN. ML:1.3 0.00004015554 4.1984 AML other m 2023-12-01T12:29:00.44
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