Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 30-11-2017 and time 19:15:44 (UTC) in region 1 km SW Amaro (UD)

A magnitude ML 0.4 earthquake occured in region: 1 km SW Amaro (UD), on

  • 30-11-2017 19:15:44 (UTC)
  • 30-11-2017 20:15:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3640, 13.0880 at 1 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
Amaro UD 1 823 823
Cavazzo Carnico UD 4 1052 1875
Venzone UD 5 2117 3992
Bordano UD 6 754 4746
Tolmezzo UD 7 10440 15186
Verzegnis UD 8 863 16049
Trasaghis UD 9 2227 18276
Moggio Udinese UD 10 1714 19990
Gemona del Friuli UD 10 10964 30954
Resiutta UD 11 309 31263
Zuglio UD 12 595 31858
Osoppo UD 12 2936 34794
Arta Terme UD 13 2171 36965
Lauco UD 14 729 37694
Montenars UD 14 538 38232
Villa Santina UD 14 2233 40465
Artegna UD 14 2885 43350
Magnano in Riviera UD 16 2336 45686
Resia UD 17 1033 46719
Enemonzo UD 17 1319 48038
Lusevera UD 17 643 48681
Preone UD 17 246 48927
Buja UD 17 6563 55490
Vito d'Asio PN 18 769 56259
Chiusaforte UD 18 672 56931
Forgaria nel Friuli UD 18 1786 58717
Sutrio UD 18 1332 60049
Raveo UD 19 458 60507
Paularo UD 19 2623 63130
Treppo Carnico UD 19 618 63748
Paluzza UD 19 2217 65965
Tarcento UD 19 9012 74977
Ligosullo UD 20 116 75093
Treppo Grande UD 20 1708 76801
Cercivento UD 20 679 77480
Majano UD 20 5945 83425
Clauzetto PN 20 380 83805
Dogna UD 20 175 83980

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NW of Udine (99169 inhabitants)
56 Km NE of Pordenone (51229 inhabitants)
95 Km NW of Trieste (204420 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 0.4 2017-11-30
19:15:44		 46.3637 13.0885 1 2018-09-04
09:09:19		 Bollettino Sismico Italiano INGV 58477801
Reviewed
Rev100 		ML 0.5 2017-11-30
19:15:43		 46.3522 13.0862 11 2017-11-30
19:22:30		 Sala Sismica INGV-Roma 52251601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-11-30 19:15:44 ± 0.13
Latitude 46.3637 ± 0.0072
Longitude 13.0885 ± 0.0091
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 58477801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 800
Semi-minor axis of confidence ellipse (meter) 650
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 20
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.14119
Epicentral distance of station farthest from the epicenter (degree) 0.28059
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.4
Num. used stations 12
Type of magnitude ML
Reference to an origin 58477801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-07-05 10:05:28

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 52251601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-11-30 19:22:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.STAL.HHZ. 2017-11-30T19:15:54.48 0.6 undecidable manual S 249 31.1466 91 -1 36
OX.ZOU2.HHZ. 2017-11-30T19:15:53.05 0.6 undecidable manual S 338 23.3544 92 0.29 48
IV.PTCC.HHZ. 2017-11-30T19:15:52.12 0.3 undecidable manual S 76 20.868 92 0.21 73
NI.VINO.HHZ. 2017-11-30T19:15:51.23 0.6 undecidable manual S 130 18.7701 92 0.04 50
OX.CLUD.HHZ. 2017-11-30T19:15:51.49 0.3 undecidable manual S 303 18.9699 92 0.27 72
OX.MPRI.HHN. 2017-11-30T19:15:50.72 0.3 undecidable manual S 210 15.6732 92 0.62 66
IV.STAL.HHZ. 2017-11-30T19:15:50.15 0.3 undecidable manual P 249 31.1466 91 -0.75 61
OX.ZOU2.HHZ. 2017-11-30T19:15:49.28 0.1 undecidable manual P 338 23.3544 92 -0.05 100
OX.CLUD.HHZ. 2017-11-30T19:15:48.53 0.1 undecidable manual P 303 18.9699 92 0.08 100
NI.VINO.HHZ. 2017-11-30T19:15:48.26 0.1 undecidable manual P 130 18.7701 92 -0.17 98
IV.PTCC.HHZ. 2017-11-30T19:15:48.57 0.1 undecidable manual P 76 20.868 92 -0.27 96
OX.MPRI.HHN. 2017-11-30T19:15:48.10 0.1 undecidable manual P 210 15.6732 92 0.31 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
RF.GEPF.HHN. ML:-0.1 0.000016290189999999998 0.06 AML other m 2017-11-30T19:15:47.46
RF.GEPF.HHE. ML:0.2 0.000030746785 0.06 AML other m 2017-11-30T19:15:47.62
IV.STAL.HHE. ML:0.7 0.00002319844 0.96 AML other m 2017-11-30T19:15:49.47
OX.CLUD.HNN. ML:0.6 0.000036721285 0.72 AML other m 2017-11-30T19:15:51.41
OX.CLUD.HHN. ML:0.2 0.00001534207325 0.28 AML other m 2017-11-30T19:15:51.94
IV.PTCC.HHN. ML:0.1 0.0000115075115 0.06 AML other m 2017-11-30T19:15:52.26
IV.PTCC.HHE. ML:0.1 0.0000110614985 0.14 AML other m 2017-11-30T19:15:52.78
OX.CLUD.HNE. ML:0.5 0.000029035368500000004 1.46 AML other m 2017-11-30T19:15:53.87
IV.STAL.HHN. ML:0.3 0.000012092019499999999 0.24 AML other m 2017-11-30T19:15:55.66
OX.CLUD.HHE. ML:0.4 0.000023731139999999997 1.24 AML other m 2017-11-30T19:15:56.98
IV.STAL.HNN. ML:1.6 0.00018366160000000002 0.72 AML other m 2017-11-30T19:15:57.55
IV.STAL.HNE. ML:1.3 0.000093642335 0.49 AML other m 2017-11-30T19:16:01.81
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