Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 19-11-2018 and time 14:44:48 (UTC) in region 3 km SW Pulfero (UD)

A magnitude ML 1.6 earthquake occured in region: 3 km SW Pulfero (UD), on

  • 19-11-2018 14:44:48 (UTC)
  • 19-11-2018 15:44:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.1600, 13.4540 at 9 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
Pulfero UD 3 962 962
Torreano UD 4 2139 3101
San Pietro al Natisone UD 4 2171 5272
Savogna UD 6 411 5683
San Leonardo UD 7 1129 6812
Cividale del Friuli UD 7 11292 18104
Faedis UD 8 2945 21049
Moimacco UD 9 1675 22724
Stregna UD 10 356 23080
Grimacco UD 11 342 23422
Attimis UD 12 1805 25227
Premariacco UD 12 4163 29390
Povoletto UD 13 5471 34861
Prepotto UD 13 769 35630
Remanzacco UD 13 6185 41815
Drenchia UD 13 115 41930
Taipana UD 13 636 42566
Dolegna del Collio GO 14 370 42936
Nimis UD 15 2740 45676
Reana del Rojale UD 16 4966 50642
Corno di Rosazzo UD 18 3219 53861
Pradamano UD 19 3574 57435
Tricesimo UD 19 7600 65035
Buttrio UD 19 4074 69109
Tarcento UD 19 9012 78121
Lusevera UD 19 643 78764
Tavagnacco UD 19 14910 93674
Manzano UD 20 6455 100129
Udine UD 20 99169 199298

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NE of Udine (99169 inhabitants)
62 Km NW of Trieste (204420 inhabitants)
65 Km E 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
Bulletin
Rev1000 		ML 1.6 2018-11-19
14:44:48		 46.1598 13.4535 9 2019-06-04
09:16:02		 Bollettino Sismico Italiano INGV 63864051
Reviewed
Rev100 		ML 1.6 2018-11-19
14:44:48		 46.151 13.4468 10 2018-11-19
15:01:51		 Sala Sismica INGV-Roma 63207701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-19 14:44:48 ± 0.13
Latitude 46.1598 ± 0.0081
Longitude 13.4535 ± 0.0130
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 63864051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1166
Semi-minor axis of confidence ellipse (meter) 169
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 49
Circular confidence region, given by single value of horizontal uncertainty (meter) 1170.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.15468
Epicentral distance of station farthest from the epicenter (degree) 0.51801
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 63864051
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-04-23 09:40:12

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 63207701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-19 15:01:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.ZOU2.HNE. 2018-11-19T14:45:07.20 0.6 undecidable manual S 320 57.498 50 0.17 48
OX.CLUD.HHZ. 2018-11-19T14:45:06.26 0.3 undecidable manual S 307 54.8007 50 -0.06 73
MN.TRI.HHZ. 2018-11-19T14:45:05.52 0.6 undecidable manual S 154 55.4001 50 -0.96 37
OX.ACOM.HHZ. 2018-11-19T14:45:03.67 0.6 undecidable manual S 6 43.3233 50 0.43 46
NI.PALA.HHZ. 2018-11-19T14:45:03.44 0.3 undecidable manual S 283 41.7249 50 0.62 65
OX.MPRI.HHZ. 2018-11-19T14:45:01.75 0.6 undecidable manual S 284 36.8298 50 0.23 49
OX.ZOU2.HNE. 2018-11-19T14:44:59.15 0.1 undecidable manual P 320 57.498 50 -0.18 95
OX.SABO.HHZ. 2018-11-19T14:44:58.18 0.6 undecidable manual S 144 23.6541 111 0.59 46
MN.TRI.HHZ. 2018-11-19T14:44:58.17 0.3 undecidable manual P 154 55.4001 50 -0.84 58
RF.GEPF.HHZ. 2018-11-19T14:44:58.36 0.6 undecidable manual S 298 27.3504 109 -0.45 47
IV.PTCC.HHZ. 2018-11-19T14:44:58.74 0.6 undecidable manual S 345 28.5492 108 -0.46 47
OX.CLUD.HHZ. 2018-11-19T14:44:58.71 0.3 undecidable manual P 307 54.8007 50 -0.2 71
NI.PALA.HHZ. 2018-11-19T14:44:57.07 0.3 undecidable manual P 283 41.7249 50 0.18 73
OX.ACOM.HHZ. 2018-11-19T14:44:57.38 0.1 undecidable manual P 6 43.3233 50 0.24 96
OX.MPRI.HHZ. 2018-11-19T14:44:56.08 0.3 undecidable manual P 284 36.8298 50 -0.07 76
NI.VINO.HHZ. 2018-11-19T14:44:55.80 0.6 undecidable manual S 307 17.1717 118 0.24 50
OX.SABO.HHZ. 2018-11-19T14:44:54.31 0.1 undecidable manual P 144 23.6541 111 0.43 96
RF.GEPF.HHZ. 2018-11-19T14:44:54.19 0.1 undecidable manual P 298 27.3504 109 -0.39 96
IV.PTCC.HHZ. 2018-11-19T14:44:54.52 0.3 undecidable manual P 345 28.5492 108 -0.28 74
NI.VINO.HHZ. 2018-11-19T14:44:52.99 0.1 undecidable manual P 307 17.1717 118 0.28 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
NI.VINO.HHE. ML:1.6 0.000309 1.86 AML other m 2018-11-19T14:44:55.04
NI.VINO.HHN. ML:1.5 0.00026049999999999994 0.42 AML other m 2018-11-19T14:44:56.22
RF.GEPF.HHE. ML:1.5 0.00015849999999999998 1.4 AML other m 2018-11-19T14:44:58.71
IV.PTCC.HHE. ML:1.2 0.00008455 1.76 AML other m 2018-11-19T14:44:58.97
RF.GEPF.HHN. ML:1.7 0.000249 0.56 AML other m 2018-11-19T14:44:58.70
IV.PTCC.HHN. ML:1.3 0.00009695 1.36 AML other m 2018-11-19T14:44:58.30
OX.ACOM.HNE. ML:1.8 0.000193 0.56 AML other m 2018-11-19T14:45:04.06
OX.ACOM.HHE. ML:1.8 0.00017449999999999999 0.56 AML other m 2018-11-19T14:45:04.06
NI.PALA.HHE. ML:1.6 0.000133 0.8 AML other m 2018-11-19T14:45:04.40
NI.PALA.HHN. ML:1.6 0.000122 0.6 AML other m 2018-11-19T14:45:04.52
OX.ACOM.HHN. ML:1.5 0.0001082 0.9 AML other m 2018-11-19T14:45:05.28
OX.ACOM.HNN. ML:1.7 0.00014500000000000003 0.9 AML other m 2018-11-19T14:45:05.28
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