Earthquake with magnitude of ML 1.8 on date 31-12-2023 and time 07:58:33 (Italy) in region 8 km NW Frisanco (PN)

A magnitude ML 1.8 earthquake occured in region: 8 km NW Frisanco (PN), on

  • 31-12-2023 06:58:33 (UTC)
  • 31-12-2023 07:58:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.2840, 12.6860 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
Frisanco PN 9 622 622
Tramonti di Sotto PN 9 387 1009
Tramonti di Sopra PN 9 321 1330
Andreis PN 11 259 1589
Meduno PN 11 1574 3163
Fanna PN 12 1583 4746
Cavasso Nuovo PN 12 1525 6271
Forni di Sotto UD 12 600 6871
Maniago PN 13 11698 18569
Claut PN 13 956 19525
Barcis PN 14 256 19781
Montereale Valcellina PN 14 4433 24214
Vajont PN 15 1719 25933
Ampezzo UD 17 1006 26939
Sequals PN 17 2200 29139
Socchieve UD 17 908 30047
Arba PN 17 1309 31356
Travesio PN 17 1776 33132
Forni di Sopra UD 18 993 34125
Clauzetto PN 19 380 34505
Preone UD 19 246 34751
Cimolais PN 19 397 35148
Castelnovo del Friuli PN 19 880 36028

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km N of Pordenone (51229 inhabitants)
49 Km W of Udine (99169 inhabitants)
77 Km NE of Treviso (83731 inhabitants)
98 Km N of Venezia (263352 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 1.8 2023-12-31
06:58:33
46.2845 12.6855 10 2023-12-31
07:06:44
Sala Sismica INGV-Roma 124371091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-31 06:58:33 ± 0.08
Latitude 46.2845 ± 0.0054
Longitude 12.6855 ± 0.0078
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 124371091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 660
Semi-minor axis of confidence ellipse (meter) 164
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 138
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 71
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40829
Number of stations at which the event was observed 47
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 124371091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-31 07:06:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAFI.HHZ. 2023-12-31T07:00:02.94 3.0 undecidable manual Sg 4.78 0
RD.PGF.BHZ. 2023-12-31T06:59:42.54 3.0 positive manual Pn -0.55 0
IV.LPEL.HHZ. 2023-12-31T06:59:38.24 3.0 undecidable manual Pn -1.66 0
SL.BOJS.BHZ. 2023-12-31T06:59:36.27 3.0 undecidable manual Sn 3.54 0
SI.MOSI.HHZ. 2023-12-31T06:59:24.15 3.0 undecidable manual Sn 0.32 0
IV.PARC.HHZ. 2023-12-31T06:59:21.04 3.0 positive manual Pg 4.59 0
SL.LJU.BHZ. 2023-12-31T06:59:18.22 3.0 undecidable manual S 1.19 0
IV.ROVR.HHZ. 2023-12-31T06:59:17.41 3.0 undecidable manual S -0.13 0
ST.OZOL.EHZ. 2023-12-31T06:59:15.01 3.0 undecidable manual S 0.49 0
ST.GAGG.HHZ. 2023-12-31T06:59:15.92 3.0 undecidable manual S -0.2 0
IV.PIEI.HHZ. 2023-12-31T06:59:15.25 3.0 undecidable manual Pn -2.48 0
IV.TEOL.HHZ. 2023-12-31T06:59:13.52 3.0 undecidable manual S -0.3 0
IV.ZOVE.EHZ. 2023-12-31T06:59:13.60 3.0 undecidable manual S -0.79 0
ST.DOSS.HHZ. 2023-12-31T06:59:11.22 3.0 undecidable manual S -2.21 0
MN.TRI.HHZ. 2023-12-31T06:59:06.09 3.0 undecidable manual S -0.28 0
IV.MAGA.HHZ. 2023-12-31T06:59:03.47 3.0 positive manual Pn 1.84 0
ST.RONC.EHZ. 2023-12-31T06:59:03.31 3.0 negative manual P 2.33 0
SI.MOSI.HHZ. 2023-12-31T06:59:03.68 3.0 positive manual Pn 1.77 0
SL.LJU.BHZ. 2023-12-31T06:58:59.17 3.0 undecidable manual P 1.08 0
IV.ROVR.HHZ. 2023-12-31T06:58:58.81 3.0 negative manual P 0.43 0
OE.WTTA.HHZ. 2023-12-31T06:58:58.63 3.0 negative manual P 0.55 0
ST.GAGG.HHZ. 2023-12-31T06:58:58.21 3.0 undecidable manual P 0.63 0
SI.LUSI.HHZ. 2023-12-31T06:58:58.52 3.0 positive manual P 0.49 0
OX.DRE.HHZ. 2023-12-31T06:58:57.82 3.0 undecidable manual S -0.2 0
IV.ZOVE.EHZ. 2023-12-31T06:58:56.62 3.0 positive manual P 0.01 0
ST.OZOL.EHZ. 2023-12-31T06:58:56.71 3.0 undecidable manual P 0.03 0
IV.TEOL.HHZ. 2023-12-31T06:58:56.59 3.0 positive manual P 0.3 0
ST.PANI.EHZ. 2023-12-31T06:58:54.65 3.0 negative manual P 1 0
SI.ABSI.HHZ. 2023-12-31T06:58:54.39 3.0 positive manual P -1.16 0
SI.KOSI.HHZ. 2023-12-31T06:58:52.26 3.0 negative manual P -0.94 0
MN.TRI.HHZ. 2023-12-31T06:58:50.44 3.0 positive manual P -1.66 0
ST.ZIAN.EHZ. 2023-12-31T06:58:49.72 3.0 positive manual P -0.64 0
IV.CTI.HHZ. 2023-12-31T06:58:49.37 3.0 positive manual P -0.32 0
NI.VINO.HHZ. 2023-12-31T06:58:49.46 0.6 undecidable manual S 94 45.3213 50 0.91 37
OX.DRE.HHZ. 2023-12-31T06:58:48.05 3.0 positive manual P 0.64 0
IV.FREG.EHE. 2023-12-31T06:58:48.10 0.6 undecidable manual S 223 41.7249 50 0.53 44
OX.SABO.HHZ. 2023-12-31T06:58:48.16 3.0 positive manual P 0.06 0
OX.ACOM.HHZ. 2023-12-31T06:58:46.96 3.0 positive manual P -0.21 0
IT.DANT.HNE. 2023-12-31T06:58:46.18 0.6 undecidable manual S 338 33.8439 50 0.7 41
OX.CAE.HHZ. 2023-12-31T06:58:46.56 0.6 undecidable manual S 212 36.0417 50 0.51 44
IV.FVI.HHZ. 2023-12-31T06:58:46.37 0.6 undecidable manual S 12 35.3424 50 0.49 45
NI.POLC.HHZ. 2023-12-31T06:58:45.71 0.6 undecidable manual S 206 31.9458 50 0.75 41
OX.BOO.HHE. 2023-12-31T06:58:44.94 0.6 undecidable manual S 83 31.8459 50 -0.01 50
IV.PTCC.HHZ. 2023-12-31T06:58:44.17 3.0 undecidable manual P -0.03 0
IT.PNAL.HNE. 2023-12-31T06:58:44.15 0.6 undecidable manual S 248 32.1456 50 -0.87 38
OX.VARN.HHZ. 2023-12-31T06:58:43.48 3.0 undecidable manual P -1.11 0
OX.AGOR.HHZ. 2023-12-31T06:58:43.79 3.0 undecidable manual P -0.38 0
OX.FUSE.HHZ. 2023-12-31T06:58:43.58 0.6 undecidable manual S 59 28.1496 50 -0.37 46
OX.MPRI.HHZ. 2023-12-31T06:58:42.25 0.6 undecidable manual S 102 23.6541 112 -0.27 48
OX.CLUD.HHZ. 2023-12-31T06:58:42.53 0.6 undecidable manual S 38 24.2535 112 -0.19 49
NI.VINO.HHZ. 2023-12-31T06:58:42.02 1.0 positive manual P 94 45.3213 50 -0.23 23
OX.PLRO.HHZ. 2023-12-31T06:58:42.56 3.0 negative manual P -0.89 0
IV.FREG.EHE. 2023-12-31T06:58:41.64 0.1 undecidable manual P 223 41.7249 50 -0.05 97
IV.FVI.HHZ. 2023-12-31T06:58:40.76 0.6 positive manual P 12 35.3424 50 0.05 49
NI.PURA.HHE. 2023-12-31T06:58:40.58 0.6 undecidable manual S 15 16.2726 121 0.37 47
RF.GEPF.HHZ. 2023-12-31T06:58:40.27 1.0 positive manual P 92 34.743 50 -0.35 23
OX.MLN.HHZ. 2023-12-31T06:58:40.63 0.6 undecidable manual S 200 15.873 121 0.53 46
OX.CIMO.HHZ. 2023-12-31T06:58:40.49 0.6 undecidable manual S 279 18.6702 117 -0.46 46
IT.DANT.HNE. 2023-12-31T06:58:40.73 0.1 undecidable manual P 338 33.8439 50 0.25 94
OX.CAE.HHZ. 2023-12-31T06:58:40.32 1.0 positive manual P 212 36.0417 50 -0.49 22
NI.POLC.HHZ. 2023-12-31T06:58:40.09 0.6 negative manual P 206 31.9458 50 -0.09 49
OX.FUSE.HHZ. 2023-12-31T06:58:39.63 1.0 undecidable manual P 59 28.1496 50 0.04 25
IT.PNAL.HNE. 2023-12-31T06:58:39.56 0.1 undecidable manual P 248 32.1456 50 -0.66 84
OX.BOO.HHE. 2023-12-31T06:58:39.54 0.1 undecidable manual P 83 31.8459 50 -0.63 85
OX.MPRI.HHZ. 2023-12-31T06:58:38.57 0.3 positive manual P 102 23.6541 112 -0.2 73
OX.CLUD.HHZ. 2023-12-31T06:58:38.78 0.6 negative manual P 38 24.2535 112 -0.11 49
IV.STAL.HHZ. 2023-12-31T06:58:37.72 0.6 undecidable manual S 145 3.2967 161 0.54 46
NI.PURA.HHE. 2023-12-31T06:58:37.55 0.1 undecidable manual P 15 16.2726 121 0.11 100
OX.MLN.HHZ. 2023-12-31T06:58:37.33 0.3 positive manual P 200 15.873 121 -0.05 76
OX.CIMO.HHZ. 2023-12-31T06:58:37.68 0.3 negative manual P 279 18.6702 117 -0.19 74
IV.STAL.HHZ. 2023-12-31T06:58:36.12 1.0 undecidable manual P 145 3.2967 161 0.43 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.CIMO.HHN. ML:2.1 0.00106 0.22 AML other m 2023-12-31T06:58:40.54
OX.CIMO.HNE. ML:1.9 0.0007304999999999999 0.16 AML other m 2023-12-31T06:58:40.54
OX.CIMO.HNN. ML:2.0 0.00092 0.2 AML other m 2023-12-31T06:58:40.55
OX.MLN.HNN. ML:2.1 0.00115 0.3 AML other m 2023-12-31T06:58:40.70
OX.CIMO.HHE. ML:2.0 0.000757 0.22 AML other m 2023-12-31T06:58:40.70
OX.MLN.HHN. ML:2.1 0.00107 0.28 AML other m 2023-12-31T06:58:40.56
OX.MLN.HHE. ML:1.8 0.0006324999999999999 1 AML other m 2023-12-31T06:58:41.71
OX.MLN.HNE. ML:1.8 0.000646 0.44 AML other m 2023-12-31T06:58:42.29
OX.CLUD.HHN. ML:1.5 0.0001825 0.54 AML other m 2023-12-31T06:58:43.81
OX.CLUD.HNN. ML:1.4 0.00016099999999999998 0.54 AML other m 2023-12-31T06:58:43.81
OX.CLUD.HNE. ML:1.5 0.00020400000000000003 0.56 AML other m 2023-12-31T06:58:43.67
OX.CLUD.HHE. ML:1.5 0.00020549999999999998 0.56 AML other m 2023-12-31T06:58:43.67
OX.FUSE.HHN. ML:1.5 0.000169 1.28 AML other m 2023-12-31T06:58:44.21
OX.MPRI.HHE. ML:1.3 0.000134 0.56 AML other m 2023-12-31T06:58:45.44
OX.MPRI.HNE. ML:1.3 0.0001265 0.58 AML other m 2023-12-31T06:58:45.45
RF.GEPF.HHE. ML:1.5 0.0001295 0.42 AML other m 2023-12-31T06:58:46.61
OX.FUSE.HHE. ML:1.3 0.00011175 0.4 AML other m 2023-12-31T06:58:46.42
RF.GEPF.HHN. ML:1.6 0.0001485 0.4 AML other m 2023-12-31T06:58:46.44
IV.FVI.HHE. ML:2.2 0.000671 0.12 AML other m 2023-12-31T06:58:46.84
IV.FVI.HHN. ML:1.7 0.00020150000000000002 0.12 AML other m 2023-12-31T06:58:46.86
OX.CAE.HHN. ML:1.8 0.0002485 0.7 AML other m 2023-12-31T06:58:47.36
OX.CAE.HHE. ML:2.0 0.000358 1.04 AML other m 2023-12-31T06:58:47.80
OX.MPRI.HHN. ML:1.5 0.0001905 0.58 AML other m 2023-12-31T06:58:47.91
OX.MPRI.HNN. ML:1.4 0.00016749999999999998 0.58 AML other m 2023-12-31T06:58:47.91
NI.VINO.HHE. ML:1.5 0.0000855 1.12 AML other m 2023-12-31T06:58:49.99
NI.VINO.HHN. ML:1.6 0.0001175 1.42 AML other m 2023-12-31T06:58:50.78
OX.PLRO.HNN. ML:2.4 0.000819 0.22 AML other m 2023-12-31T06:58:50.20
OX.PLRO.HNE. ML:2.4 0.000651 0.58 AML other m 2023-12-31T06:58:50.70
OX.PLRO.HHE. ML:2.0 0.000321 0.56 AML other m 2023-12-31T06:58:50.99
OX.PLRO.HHN. ML:2.3 0.0005655 0.3 AML other m 2023-12-31T06:58:51.27
OX.AGOR.HHN. ML:1.9 0.000228 0.38 AML other m 2023-12-31T06:58:51.39
IV.PTCC.HHE. ML:1.4 0.00006379999999999999 0.52 AML other m 2023-12-31T06:58:51.36
OX.AGOR.HHE. ML:1.6 0.00011800000000000001 0.26 AML other m 2023-12-31T06:58:51.70
IV.PTCC.HHN. ML:1.5 0.00006900000000000001 0.14 AML other m 2023-12-31T06:58:52.10
OX.VARN.HNN. ML:1.7 0.00011975 0.94 AML other m 2023-12-31T06:58:55.26
OX.VARN.HHN. ML:1.7 0.000113 0.38 AML other m 2023-12-31T06:58:55.27
OX.ACOM.HHN. ML:1.9 0.000133 0.54 AML other m 2023-12-31T06:58:57.60
OX.VARN.HHE. ML:1.9 0.0001945 1.14 AML other m 2023-12-31T06:58:58.22
OX.VARN.HNE. ML:1.9 0.00017199999999999998 1.14 AML other m 2023-12-31T06:58:58.22
OX.ACOM.HHE. ML:1.9 0.0001215 0.22 AML other m 2023-12-31T06:58:58.34
OX.DRE.HHN. ML:1.9 0.00011899999999999999 0.8 AML other m 2023-12-31T06:58:59.06
OX.DRE.HHE. ML:1.9 0.000126 0.08 AML other m 2023-12-31T06:59:00.86
IV.CTI.HHE. ML:2.3 0.00027749999999999997 1.18 AML other m 2023-12-31T06:59:05.26
IV.CTI.HHN. ML:2.2 0.000222 0.08 AML other m 2023-12-31T06:59:05.82
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