Earthquake with magnitude of ML 1.1 on date 07-02-2023 and time 08:41:37 (UTC) in region 8 km S Forni di Sotto (UD)

A magnitude ML 1.1 earthquake occured in region: 8 km S Forni di Sotto (UD), on

  • 07-02-2023 08:41:37 (UTC)
  • 07-02-2023 09:41:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3240, 12.6560 at 10 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
Forni di Sotto UD 8 600 600
Tramonti di Sopra PN 10 321 921
Tramonti di Sotto PN 12 387 1308
Claut PN 13 956 2264
Forni di Sopra UD 13 993 3257
Frisanco PN 13 622 3879
Andreis PN 14 259 4138
Ampezzo UD 15 1006 5144
Meduno PN 16 1574 6718
Socchieve UD 16 908 7626
Barcis PN 16 256 7882
Sauris UD 17 416 8298
Cavasso Nuovo PN 17 1525 9823
Fanna PN 17 1583 11406
Cimolais PN 17 397 11803
Maniago PN 17 11698 23501
Preone UD 18 246 23747
Montereale Valcellina PN 19 4433 28180
Enemonzo UD 20 1319 29499
Vajont PN 20 1719 31218

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Pordenone (51229 inhabitants)
53 Km NW of Udine (99169 inhabitants)
80 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 1.1 2023-02-07
08:41:37
46.3238 12.6565 10 2023-02-07
09:01:07
Sala Sismica INGV-Roma 114213731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-07 08:41:37 ± 0.08
Latitude 46.3238 ± 0.0045
Longitude 12.6565 ± 0.0052
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 114213731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 463
Semi-minor axis of confidence ellipse (meter) 365
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 308
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 125
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50542
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 114213731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-07 09:01:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
NI.VINO.HHZ. 2023-02-07T08:41:52.87 0.6 undecidable manual S 99 48.1185 50 0.23 46
OX.PLRO.HHZ. 2023-02-07T08:41:51.93 0.6 undecidable manual S 56 45.1215 50 0.09 48
OX.DRE.HHZ. 2023-02-07T08:41:50.96 3.0 undecidable manual P -0.47 0
OX.VARN.HHZ. 2023-02-07T08:41:48.00 1.0 undecidable manual P 229 56.0994 50 0.69 20
OX.FUSE.HHZ. 2023-02-07T08:41:47.12 0.6 undecidable manual S 69 28.2495 50 -0.21 48
OX.MPRI.HHZ. 2023-02-07T08:41:46.71 0.6 undecidable manual S 110 27.0507 50 -0.3 47
NI.VINO.HHZ. 2023-02-07T08:41:45.88 1.0 undecidable manual P 99 48.1185 50 -0.19 23
OX.PLRO.HHZ. 2023-02-07T08:41:45.88 1.0 positive manual P 56 45.1215 50 0.27 23
OX.CLUD.HHZ. 2023-02-07T08:41:45.31 0.6 undecidable manual S 49 22.6551 114 -0.39 47
NI.PALA.HHZ. 2023-02-07T08:41:45.56 0.6 undecidable manual S 113 22.2555 114 -0.02 50
OX.MLN.HHZ. 2023-02-07T08:41:44.90 0.6 undecidable manual S 189 19.5693 117 0.16 49
OX.CIMO.HHZ. 2023-02-07T08:41:43.35 0.6 undecidable manual S 265 16.2726 122 -0.38 47
OX.FUSE.HHZ. 2023-02-07T08:41:43.11 1.0 negative manual P 69 28.2495 50 0.1 24
NI.PURA.HHZ. 2023-02-07T08:41:42.99 0.6 undecidable manual S 30 13.0758 127 0.18 49
OX.MPRI.HHZ. 2023-02-07T08:41:42.61 1.0 positive manual P 110 27.0507 50 -0.21 24
OX.CLUD.HHZ. 2023-02-07T08:41:42.02 0.1 undecidable manual P 49 22.6551 114 -0.05 100
OX.MLN.HHZ. 2023-02-07T08:41:41.61 0.6 positive manual P 189 19.5693 117 0.1 50
NI.PALA.HHZ. 2023-02-07T08:41:41.94 0.3 positive manual P 113 22.2555 114 -0.06 75
OX.CIMO.HHZ. 2023-02-07T08:41:40.83 0.1 undecidable manual P 265 16.2726 122 -0.1 100
NI.PURA.HHZ. 2023-02-07T08:41:40.72 0.1 undecidable manual P 30 13.0758 127 0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.CIMO.HHE. ML:1.1 0.00010650000000000001 0.22 AML other m 2023-02-07T08:41:43.58
OX.CIMO.HNE. ML:1.1 0.00010300000000000001 0.18 AML other m 2023-02-07T08:41:43.58
OX.CIMO.HHN. ML:1.1 0.00011705000000000001 0.44 AML other m 2023-02-07T08:41:43.51
OX.CIMO.HNN. ML:1.1 0.00010664999999999999 0.44 AML other m 2023-02-07T08:41:43.51
OX.MLN.HHN. ML:1.2 0.0001315 0.62 AML other m 2023-02-07T08:41:45.71
NI.PALA.HHN. ML:1.3 0.000126 0.62 AML other m 2023-02-07T08:41:45.60
OX.CLUD.HHN. ML:1.1 0.00007395000000000001 0.42 AML other m 2023-02-07T08:41:45.92
OX.CLUD.HHE. ML:1.0 0.0000678 0.96 AML other m 2023-02-07T08:41:46.02
OX.MLN.HHE. ML:1.2 0.00011499999999999999 1.08 AML other m 2023-02-07T08:41:46.58
NI.PALA.HHE. ML:1.2 0.00011649999999999999 0.92 AML other m 2023-02-07T08:41:46.68
OX.PLRO.HHE. ML:1.4 0.00007505000000000001 0.24 AML other m 2023-02-07T08:41:54.17
OX.PLRO.HHN. ML:1.5 0.0000855 1.02 AML other m 2023-02-07T08:41:54.30
OX.MPRI.HHE. ML:0.7 0.000031580656999999996 0.2624 AML other m 2023-02-07T08:41:46.96
OX.MPRI.HHN. ML:0.9 0.000045372045 0.3776 AML other m 2023-02-07T08:41:47.27
OX.FUSE.HHE. ML:0.8 0.000033711079999999995 0.1024 AML other m 2023-02-07T08:41:48.04
OX.FUSE.HHN. ML:0.9 0.00004057939 0.3648 AML other m 2023-02-07T08:41:51.50
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