Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 17-04-2023 and time 11:56:30 (Italy) in region 1 km E San Vito al Tagliamento (PN)

A magnitude ML 1.7 earthquake occured in region: 1 km E San Vito al Tagliamento (PN), on

  • 17-04-2023 09:56:30 (UTC)
  • 17-04-2023 11:56:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.9180, 12.8710 at 5 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Vito al Tagliamento PN 1 15078 15078
Casarsa della Delizia PN 5 8540 23618
Camino al Tagliamento UD 6 1626 25244
Cordovado PN 8 2780 28024
Morsano al Tagliamento PN 8 2830 30854
Sesto al Reghena PN 9 6356 37210
Valvasone Arzene PN 9 3988 41198
Zoppola PN 9 8572 49770
Codroipo UD 10 16148 65918
Varmo UD 10 2804 68722
Gruaro VE 10 2811 71533
Fiume Veneto PN 10 11697 83230
Chions PN 11 5190 88420
Teglio Veneto VE 11 2285 90705
San Martino al Tagliamento PN 12 1468 92173
Cinto Caomaggiore VE 12 3243 95416
Azzano Decimo PN 13 15775 111191
Sedegliano UD 14 3868 115059
Rivignano Teor UD 14 6349 121408
Fossalta di Portogruaro VE 14 6054 127462
San Giorgio della Richinvelda PN 14 4650 132112
Bertiolo UD 15 2473 134585
Cordenons PN 15 18301 152886
Pramaggiore VE 16 4654 157540
Ronchis UD 16 2057 159597
Portogruaro VE 16 25142 184739
Pordenone PN 17 51229 235968
Pravisdomini PN 18 3437 239405
Flaibano UD 18 1156 240561
Concordia Sagittaria VE 18 10386 250947
Latisana UD 19 13600 264547
Vivaro PN 19 1352 265899
Talmassons UD 19 4044 269943
San Michele al Tagliamento VE 20 11930 281873
San Quirino PN 20 4383 286256
Dignano UD 20 2317 288573
Pocenia UD 20 2536 291109
Annone Veneto VE 20 3954 295063

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km E of Pordenone (51229 inhabitants)
33 Km W of Udine (99169 inhabitants)
56 Km E of Treviso (83731 inhabitants)
68 Km NE of Venezia (263352 inhabitants)
76 Km W of Trieste (204420 inhabitants)
96 Km NE of Padova (210401 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
Bulletin
Rev1000 		ML 1.7 2023-04-17
09:56:30		 45.9182 12.8708 5 2024-03-01
17:18:06		 Bollettino Sismico Italiano INGV 116959981
Reviewed
Rev100 		ML 1.7 2023-04-17
09:56:29		 45.8487 12.8422 8 2023-04-17
10:17:52		 Sala Sismica INGV-Roma 116454381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-17 09:56:30 ± 0.26
Latitude 45.9182 ± 0.0126
Longitude 12.8708 ± 0.0103
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116959981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1354
Semi-minor axis of confidence ellipse (meter) 556
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 337
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 51
Number of defining phases 51
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.27879
Epicentral distance of station farthest from the epicenter (degree) 1.71231
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 36
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 116959981
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-26 10:38:25

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 40
Type of magnitude ML
Reference to an origin 116454381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-17 10:17:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
ST.DOSS.HHZ. 2023-04-17T09:57:08.40 0.6 undecidable manual S 269 129.9699 50 -0.17 41
ST.PANI.EHZ. 2023-04-17T09:57:04.74 0.6 undecidable manual S 278 119.3916 50 -1 32
SL.BOJS.BHZ. 2023-04-17T09:57:01.63 0.3 undecidable manual P 103 190.0653 38 0.32 47
OE.WTTA.HHZ. 2023-04-17T09:57:00.36 0.3 undecidable manual P 328 176.49 50 0.89 41
ST.RONC.EHZ. 2023-04-17T09:57:00.23 1.0 undecidable manual P 273 173.493 50 1.21 12
IV.MABI.HHZ. 2023-04-17T09:57:00.10 0.3 undecidable manual P 276 182.2842 38 -0.24 49
IV.MAGA.HHZ. 2023-04-17T09:56:59.08 0.3 undecidable manual P 266 173.9925 50 -0.01 54
ST.CARE.EHZ. 2023-04-17T09:56:59.69 0.3 undecidable manual P 289 176.3901 50 0.23 51
IV.CTI.HHZ. 2023-04-17T09:56:58.50 0.6 undecidable manual S 279 95.238 50 -0.8 36
SI.ROSI.HHZ. 2023-04-17T09:56:57.66 0.3 undecidable manual P 316 158.1195 50 1.02 42
SI.ABSI.HHZ. 2023-04-17T09:56:56.32 0.3 undecidable manual P 308 148.9398 50 1.09 42
IV.ASOL.HNN. 2023-04-17T09:56:56.17 0.6 undecidable manual S 260 75.9684 50 2.01 18
ST.OZOL.EHZ. 2023-04-17T09:56:56.31 0.3 undecidable manual P 292 149.8389 50 0.95 45
ST.GAGG.HHZ. 2023-04-17T09:56:55.76 0.1 undecidable manual P 278 148.4403 50 0.6 70
ST.VARA.EHZ. 2023-04-17T09:56:55.81 0.3 undecidable manual P 267 152.8359 50 -0.02 60
SI.LUSI.HHZ. 2023-04-17T09:56:55.44 0.3 undecidable manual P 272 148.74 50 0.24 58
IV.ROVR.HHZ. 2023-04-17T09:56:54.52 0.3 undecidable manual P 258 142.3464 50 0.3 58
SI.KOSI.HHZ. 2023-04-17T09:56:53.01 0.3 undecidable manual P 298 129.5703 50 0.76 51
OX.PLRO.HHZ. 2023-04-17T09:56:52.50 0.6 undecidable manual S 17 73.1712 50 -0.91 36
ST.DOSS.HHZ. 2023-04-17T09:56:52.71 0.1 undecidable manual P 269 129.9699 50 0.41 78
ST.PANI.EHZ. 2023-04-17T09:56:50.70 0.3 undecidable manual P 278 119.3916 50 0.03 64
OX.VARN.HHZ. 2023-04-17T09:56:49.17 0.6 undecidable manual S 278 59.5959 50 -0.63 42
NI.PURA.HHZ. 2023-04-17T09:56:49.95 0.6 undecidable manual S 350 57.1983 50 0.8 39
IV.CTI.HHZ. 2023-04-17T09:56:47.21 0.6 undecidable manual P 279 95.238 50 0.26 43
OX.CIMO.HHZ. 2023-04-17T09:56:47.63 0.6 undecidable manual S 323 54.6009 50 -0.82 39
NI.VINO.HHZ. 2023-04-17T09:56:47.04 0.6 undecidable manual S 40 48.5181 50 0.2 48
OX.BOO.HHE. 2023-04-17T09:56:46.76 0.6 undecidable manual S 21 47.8188 50 0.11 49
OX.BAD.HHE. 2023-04-17T09:56:46.65 0.6 undecidable manual S 39 45.3213 96 0.76 40
OX.ACOM.HHZ. 2023-04-17T09:56:46.55 0.3 undecidable manual P 35 85.5477 50 1.09 48
IV.FREG.HNZ. 2023-04-17T09:56:45.33 0.6 undecidable manual S 284 44.2224 96 -0.2 48
IV.ASOL.HNN. 2023-04-17T09:56:45.48 0.6 undecidable manual P 260 75.9684 50 1.5 26
OX.PLRO.HHZ. 2023-04-17T09:56:43.32 0.3 undecidable manual P 17 73.1712 50 -0.23 68
MN.TRI.HHE. 2023-04-17T09:56:42.57 0.3 undecidable manual P 108 72.8715 50 -0.93 53
OX.MLN.HHZ. 2023-04-17T09:56:42.45 0.3 undecidable manual S 323 32.3454 99 1.02 55
IV.PTCC.HHZ. 2023-04-17T09:56:42.80 0.3 undecidable manual P 34 65.7897 50 0.39 66
OX.CAE.HHZ. 2023-04-17T09:56:42.18 0.6 undecidable manual S 287 34.8429 98 -0.12 50
NI.POLC.HHZ. 2023-04-17T09:56:41.24 0.3 undecidable manual S 293 30.9468 99 0.27 73
NI.PURA.HHZ. 2023-04-17T09:56:40.06 0.3 undecidable manual P 350 57.1983 50 -1.03 53
NI.VINO.HHZ. 2023-04-17T09:56:40.50 0.3 undecidable manual P 40 48.5181 50 0.74 61
OX.CLUD.HHZ. 2023-04-17T09:56:40.89 0.6 undecidable manual P 1 59.7957 50 -0.6 42
OX.VARN.HHZ. 2023-04-17T09:56:40.15 0.3 undecidable manual P 278 59.5959 50 -1.32 45
OX.FUSE.HNZ. 2023-04-17T09:56:39.93 0.3 undecidable manual P 10 55.8996 50 -0.96 54
OX.CIMO.HHZ. 2023-04-17T09:56:39.29 0.1 undecidable manual P 323 54.6009 50 -1.4 58
OX.MPRI.HHE. 2023-04-17T09:56:38.06 0.3 undecidable manual P 14 36.9297 98 0.52 68
OX.BOO.HHE. 2023-04-17T09:56:38.84 0.3 undecidable manual P 21 47.8188 50 -0.81 59
OX.BAD.HHE. 2023-04-17T09:56:38.78 0.3 undecidable manual P 39 45.3213 96 -0.43 68
IV.FREG.HNZ. 2023-04-17T09:56:38.44 0.6 undecidable manual P 284 44.2224 96 -0.56 44
OX.MLN.HHZ. 2023-04-17T09:56:36.53 0.1 undecidable manual P 323 32.3454 99 -0.1 100
OX.CAE.HHZ. 2023-04-17T09:56:36.42 0.1 undecidable manual P 287 34.8429 98 -0.71 84
NI.PALA.HHZ. 2023-04-17T09:56:36.98 0.3 undecidable manual P 6 36.5412 98 -0.48 69
NI.POLC.HHZ. 2023-04-17T09:56:36.06 0.1 undecidable manual P 293 30.9468 99 -0.31 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
NI.POLC.HHE. ML:1.7 0.00026431880000000004 0.1344 AML other m 2023-04-17T09:56:42.12
OX.CAE.HHE. ML:1.4 0.000108131785 0.1792 AML other m 2023-04-17T09:56:43.58
OX.CAE.HHN. ML:1.3 0.00007795000000000001 0.28 AML other m 2023-04-17T09:56:43.42
OX.MLN.HHE. ML:1.5 0.000153 0.18 AML other m 2023-04-17T09:56:43.79
OX.MLN.HHN. ML:1.4 0.00011649999999999999 0.3 AML other m 2023-04-17T09:56:44.51
NI.POLC.HHN. ML:1.8 0.0003348914 0.4608 AML other m 2023-04-17T09:56:44.79
NI.VINO.HHE. ML:1.3 0.00005745 0.28 AML other m 2023-04-17T09:56:48.25
OX.CIMO.HHN. ML:1.3 0.00004675 1.5 AML other m 2023-04-17T09:56:48.22
OX.CIMO.HHE. ML:1.0 0.00002396574 0.2048 AML other m 2023-04-17T09:56:49.82
NI.PALA.HHN. ML:1.5 0.00013453620499999998 0.2176 AML other m 2023-04-17T09:56:49.88
NI.PALA.HHE. ML:1.5 0.00011999999999999999 0.48 AML other m 2023-04-17T09:56:50.22
OX.VARN.HHN. ML:1.6 0.000076995985 0.3392 AML other m 2023-04-17T09:56:50.32
OX.FUSE.HHN. ML:1.3 0.00005241121 0.3776 AML other m 2023-04-17T09:56:51.27
OX.CLUD.HHN. ML:1.1 0.000026916829999999998 0.7616 AML other m 2023-04-17T09:56:51.69
NI.VINO.HHN. ML:1.1 0.000035081149999999995 0.2624 AML other m 2023-04-17T09:56:52.57
OX.CLUD.HHE. ML:1.1 0.00002636464 0.3968 AML other m 2023-04-17T09:56:52.52
IV.PTCC.HHE. ML:1.0 0.000018418274999999998 0.2624 AML other m 2023-04-17T09:56:52.72
OX.VARN.HHE. ML:1.7 0.00010750000000000001 0.38 AML other m 2023-04-17T09:56:53.44
OX.FUSE.HHE. ML:1.3 0.000044182035 0.4992 AML other m 2023-04-17T09:56:54.21
OX.PLRO.HHE. ML:1.5 0.000048563445 0.1856 AML other m 2023-04-17T09:56:56.50
IV.PTCC.HHN. ML:1.0 0.0000218 0.24 AML other m 2023-04-17T09:56:57.46
OX.PLRO.HHN. ML:1.6 0.000061093735 0.2944 AML other m 2023-04-17T09:56:58.74
IV.CTI.HHN. ML:1.9 0.00008275979499999999 0.16 AML other m 2023-04-17T09:57:02.96
IV.CTI.HHE. ML:1.9 0.00009188827500000001 0.1408 AML other m 2023-04-17T09:57:03.67
OX.ACOM.HHE. ML:1.7 0.0000606 0.26 AML other m 2023-04-17T09:57:04.05
OX.ACOM.HHN. ML:1.5 0.0000393 0.18 AML other m 2023-04-17T09:57:05.86
ST.DOSS.HHN. ML:2.0 0.000058435165 0.1792 AML other m 2023-04-17T09:57:10.20
ST.DOSS.HHE. ML:1.9 0.00005599536 0.16 AML other m 2023-04-17T09:57:12.04
IV.ROVR.HHE. ML:2.0 0.000050950000000000005 0.4 AML other m 2023-04-17T09:57:12.71
IV.ROVR.HHN. ML:2.2 0.00010163218999999999 0.16 AML other m 2023-04-17T09:57:13.56
SI.LUSI.HHE. ML:1.9 0.000040211919999999995 0.2176 AML other m 2023-04-17T09:57:15.28
SI.LUSI.HHN. ML:2.1 0.00006305 0.7 AML other m 2023-04-17T09:57:15.14
ST.GAGG.HHN. ML:1.8 0.00002971639 0.1984 AML other m 2023-04-17T09:57:15.56
ST.GAGG.HHE. ML:1.9 0.000037539484999999994 0.2432 AML other m 2023-04-17T09:57:15.71
ST.OZOL.EHN. ML:2.4 0.00012885 0.48 AML other m 2023-04-17T09:57:17.24
SI.ABSI.HHE. ML:2.1 0.0000665 0.66 AML other m 2023-04-17T09:57:17.44
ST.OZOL.EHE. ML:2.2 0.00009104999999999999 0.44 AML other m 2023-04-17T09:57:17.14
ST.VARA.EHN. ML:2.1 0.0000583081 0.2176 AML other m 2023-04-17T09:57:17.76
ST.VARA.EHE. ML:2.2 0.00008438706 0.224 AML other m 2023-04-17T09:57:18.67
SI.ABSI.HHN. ML:2.1 0.0000696 0.56 AML other m 2023-04-17T09:57:18.64
SI.ROSI.HHE. ML:2.1 0.0000562 0.36 AML other m 2023-04-17T09:57:21.28
SI.ROSI.HHN. ML:2.3 0.00008615000000000001 0.32 AML other m 2023-04-17T09:57:21.44
IV.MAGA.HHE. ML:2.3 0.00007435 0.72 AML other m 2023-04-17T09:57:23.80
IV.MAGA.HHN. ML:2.1 0.000046949999999999996 0.24 AML other m 2023-04-17T09:57:23.96
IV.MABI.HHN. ML:1.6 0.0000161 0.32 AML other m 2023-04-17T09:57:24.18
IV.MABI.HHE. ML:1.6 0.000015265 0.72 AML other m 2023-04-17T09:57:24.21
OE.WTTA.HHN. ML:1.9 0.000030215294999999995 0.64 AML other m 2023-04-17T09:57:25.89
OE.WTTA.HHE. ML:1.8 0.000024145425 0.3584 AML other m 2023-04-17T09:57:26.33
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