Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 18-06-2021 and time 17:54:19 (Italy) in region 1 km NE Arta Terme (UD)

A magnitude ML 1.0 earthquake occured in region: 1 km NE Arta Terme (UD), on

  • 18-06-2021 15:54:19 (UTC)
  • 18-06-2021 17:54:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4810, 13.0360 at 8 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.

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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
Arta Terme UD 1 2171 2171
Zuglio UD 2 595 2766
Sutrio UD 5 1332 4098
Paluzza UD 6 2217 6315
Treppo Carnico UD 6 618 6933
Cercivento UD 6 679 7612
Ligosullo UD 7 116 7728
Paularo UD 8 2623 10351
Tolmezzo UD 8 10440 20791
Ravascletto UD 10 536 21327
Lauco UD 10 729 22056
Verzegnis UD 11 863 22919
Villa Santina UD 11 2233 25152
Cavazzo Carnico UD 13 1052 26204
Amaro UD 13 823 27027
Ovaro UD 13 1922 28949
Comeglians UD 13 516 29465
Raveo UD 14 458 29923
Enemonzo UD 14 1319 31242
Moggio Udinese UD 15 1714 32956
Rigolato UD 16 448 33404
Preone UD 16 246 33650
Resiutta UD 17 309 33959
Venzone UD 18 2117 36076
Socchieve UD 18 908 36984
Prato Carnico UD 19 904 37888
Bordano UD 19 754 38642
Ampezzo UD 20 1006 39648

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km NW of Udine (99169 inhabitants)
65 Km NE 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
Reviewed
Rev100 		ML 1.0 2021-06-18
15:54:19		 46.4813 13.0362 9 2021-06-18
16:04:07		 Sala Sismica INGV-Roma 91503211
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-18 15:54:19 ± 0.07
Latitude 46.4813 ± 0.0036
Longitude 13.0362 ± 0.0052
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 91503211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 374
Semi-minor axis of confidence ellipse (meter) 165
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 33
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.07105
Epicentral distance of station farthest from the epicenter (degree) 0.64391
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 91503211
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-18 16:04:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.SABO.HHE. 2021-06-18T15:54:32.14 0.3 undecidable manual P 140 71.4729 50 -0.1 69
OX.DRE.HHZ. 2021-06-18T15:54:30.27 0.3 undecidable manual P 126 57.7977 50 0.13 70
OX.MPRI.HHZ. 2021-06-18T15:54:29.04 0.6 undecidable manual S 188 26.9508 108 -0.25 48
OX.CIMO.HHE. 2021-06-18T15:54:29.27 0.6 undecidable manual P 248 49.0176 50 0.49 44
OX.MLN.HHE. 2021-06-18T15:54:28.69 1.0 undecidable manual P 221 48.9177 50 -0.08 24
IV.FVI.HHZ. 2021-06-18T15:54:27.62 0.3 undecidable manual S 303 23.3544 110 -0.48 69
OX.PRED.HHE. 2021-06-18T15:54:27.34 0.6 undecidable manual P 96 40.626 50 -0.15 48
IV.STAL.HHZ. 2021-06-18T15:54:26.55 0.3 undecidable manual P 226 35.0427 50 -0.07 74
OX.BOO.HHE. 2021-06-18T15:54:26.55 0.3 undecidable manual S 165 18.5703 115 -0.03 77
OX.MPRI.HHZ. 2021-06-18T15:54:25.03 0.3 undecidable manual P 188 26.9508 108 -0.12 74
OX.BAD.HHE. 2021-06-18T15:54:25.87 0.6 undecidable manual P 150 31.746 105 -0.19 48
NI.VINO.HHZ. 2021-06-18T15:54:25.69 0.3 undecidable manual P 144 31.1466 105 -0.27 71
NI.PALA.HHZ. 2021-06-18T15:54:25.25 0.3 undecidable manual P 198 27.5502 107 -0.02 76
IV.PTCC.HHE. 2021-06-18T15:54:25.01 0.6 undecidable manual P 109 25.6521 108 0.12 50
IV.FVI.HHZ. 2021-06-18T15:54:24.55 0.1 undecidable manual P 303 23.3544 110 0.09 100
OX.PLRO.HHE. 2021-06-18T15:54:24.28 0.3 undecidable manual S 49 11.3775 127 -0.13 76
OX.CLUD.HHE. 2021-06-18T15:54:24.60 0.3 undecidable manual S 257 12.1767 125 -0.03 77
OX.BOO.HHE. 2021-06-18T15:54:23.68 0.6 undecidable manual P 165 18.5703 115 0.1 50
OX.FUSE.HHZ. 2021-06-18T15:54:23.59 0.3 undecidable manual S 200 7.881 137 0.07 77
OX.CLUD.HHE. 2021-06-18T15:54:22.84 0.6 undecidable manual P 257 12.1767 125 0.38 48
OX.FUSE.HHZ. 2021-06-18T15:54:22.18 0.3 undecidable manual P 200 7.881 137 0.37 73
OX.PLRO.HHE. 2021-06-18T15:54:22.62 0.3 undecidable manual P 49 11.3775 127 0.29 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FVI.HHN. ML:1.2 0.0001066 0.12 AML other m 2021-06-18T15:54:27.93
IV.FVI.HHE. ML:1.0 0.00007124016 0.1024 AML other m 2021-06-18T15:54:28.22
OX.MPRI.HHN. ML:1.0 0.0000572 0.46 AML other m 2021-06-18T15:54:29.58
OX.MPRI.HHE. ML:0.8 0.000036535540000000006 0.1152 AML other m 2021-06-18T15:54:30.47
NI.PALA.HHE. ML:1.2 0.000097382105 0.256 AML other m 2021-06-18T15:54:30.34
IV.STAL.HHN. ML:1.0 0.000045489724999999994 0.32 AML other m 2021-06-18T15:54:32.29
NI.PALA.HHN. ML:1.2 0.00008228751500000001 0.3456 AML other m 2021-06-18T15:54:31.54
IV.STAL.HHE. ML:1.1 0.000054099999999999994 0.24 AML other m 2021-06-18T15:54:32.67
NI.VINO.HHE. ML:0.8 0.00002795 0.6 AML other m 2021-06-18T15:54:33.88
OX.MPRI.HNN. ML:0.9 0.000044698135 0.1024 AML other m 2021-06-18T15:54:30.35
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