Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 21-10-2021 and time 07:03:25 (Italy) in region 5 km W Moggio Udinese (UD)

A magnitude ML 1.3 earthquake occured in region: 5 km W Moggio Udinese (UD), on

  • 21-10-2021 05:03:25 (UTC)
  • 21-10-2021 07:03:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4220, 13.1340 at 15 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
Moggio Udinese UD 5 1714 1714
Amaro UD 6 823 2537
Resiutta UD 7 309 2846
Cavazzo Carnico UD 9 1052 3898
Tolmezzo UD 9 10440 14338
Zuglio UD 9 595 14933
Venzone UD 10 2117 17050
Arta Terme UD 10 2171 19221
Verzegnis UD 11 863 20084
Bordano UD 12 754 20838
Paularo UD 12 2623 23461
Chiusaforte UD 14 672 24133
Ligosullo UD 14 116 24249
Resia UD 14 1033 25282
Dogna UD 14 175 25457
Treppo Carnico UD 14 618 26075
Paluzza UD 15 2217 28292
Sutrio UD 15 1332 29624
Lauco UD 15 729 30353
Gemona del Friuli UD 16 10964 41317
Villa Santina UD 16 2233 43550
Trasaghis UD 16 2227 45777
Pontebba UD 16 1433 47210
Cercivento UD 16 679 47889
Montenars UD 19 538 48427
Osoppo UD 19 2936 51363
Enemonzo UD 20 1319 52682
Ravascletto UD 20 536 53218
Lusevera UD 20 643 53861
Artegna UD 20 2885 56746

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km N of Udine (99169 inhabitants)
63 Km NE of Pordenone (51229 inhabitants)
99 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
Reviewed
Rev100 		ML 1.3 2021-10-21
05:03:25		 46.4215 13.134 15 2021-10-21
05:08:10		 Sala Sismica INGV-Roma 96824111
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-21 05:03:25 ± 0.08
Latitude 46.4215 ± 0.0027
Longitude 13.1340 ± 0.0039
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 96824111

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 72
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.43167
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 96824111
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-21 05:08:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FVI.HHZ. 2021-10-21T05:03:36.71 0.3 undecidable manual S 306 33.2445 100 -0.34 68
OX.ACOM.HHZ. 2021-10-21T05:03:36.92 0.6 undecidable manual S 64 32.2455 100 0.14 47
NI.PALA.HHZ. 2021-10-21T05:03:35.05 0.3 undecidable manual S 219 25.3524 105 0.07 72
OX.MPRI.HHZ. 2021-10-21T05:03:34.49 0.6 undecidable manual S 209 22.9548 108 0.12 48
NI.VINO.HHZ. 2021-10-21T05:03:34.06 0.3 undecidable manual S 150 21.5673 110 0.05 73
OX.BAD.HNZ. 2021-10-21T05:03:34.23 0.3 undecidable manual S 158 22.4553 109 -0.01 74
OX.DRE.HHZ. 2021-10-21T05:03:34.14 0.6 positive manual P 125 47.9187 96 -0.31 44
OX.CLUD.HHZ. 2021-10-21T05:03:33.34 0.1 undecidable manual S 282 19.6692 113 -0.22 95
RF.GEPF.HHZ. 2021-10-21T05:03:32.86 0.3 undecidable manual S 179 16.2726 120 0.13 73
IV.STAL.HHZ. 2021-10-21T05:03:32.79 0.3 undecidable manual P 241 37.0296 98 -0.01 72
OX.PLRO.HHZ. 2021-10-21T05:03:32.32 0.3 undecidable manual S 4 14.1747 125 0.05 75
IV.PTCC.HHZ. 2021-10-21T05:03:32.56 0.1 undecidable manual S 95 16.872 118 -0.32 92
IV.FVI.HHZ. 2021-10-21T05:03:32.28 0.3 positive manual P 306 33.2445 100 0.06 72
OX.ACOM.HHZ. 2021-10-21T05:03:32.52 0.3 undecidable manual P 64 32.2455 100 0.45 66
OX.FUSE.HHZ. 2021-10-21T05:03:31.30 0.1 undecidable manual S 265 10.1787 137 -0.15 97
NI.PALA.HHZ. 2021-10-21T05:03:31.04 0.3 undecidable manual P 219 25.3524 105 0.01 73
OX.BOO.HNZ. 2021-10-21T05:03:31.87 0.3 undecidable manual S 194 11.6772 132 0.14 73
OX.CLUD.HHZ. 2021-10-21T05:03:30.33 0.1 undecidable manual P 282 19.6692 113 0.12 96
OX.MPRI.HHZ. 2021-10-21T05:03:30.69 0.3 undecidable manual P 209 22.9548 108 0.01 73
NI.VINO.HHZ. 2021-10-21T05:03:30.37 0.3 undecidable manual P 150 21.5673 110 -0.1 73
OX.BAD.HNZ. 2021-10-21T05:03:30.47 0.1 undecidable manual P 158 22.4553 109 -0.13 96
OX.FUSE.HHZ. 2021-10-21T05:03:29.03 0.1 negative manual P 265 10.1787 137 0.04 100
RF.GEPF.HHZ. 2021-10-21T05:03:29.71 0.3 undecidable manual P 179 16.2726 120 -0.02 75
OX.PLRO.HHZ. 2021-10-21T05:03:29.55 0.1 negative manual P 4 14.1747 125 0.09 99
IV.PTCC.HHZ. 2021-10-21T05:03:29.77 0.1 positive manual P 95 16.872 118 -0.05 98
OX.BOO.HNZ. 2021-10-21T05:03:29.33 0.1 undecidable manual P 194 11.6772 132 0.18 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTCC.HHN. ML:1.2 0.00010350000000000001 0.24 AML other m 2021-10-21T05:03:32.72
OX.PLRO.HHN. ML:1.5 0.0002445 0.22 AML other m 2021-10-21T05:03:32.50
IV.PTCC.HHE. ML:1.1 0.00009065000000000001 0.14 AML other m 2021-10-21T05:03:32.97
OX.PLRO.HHE. ML:1.1 0.000107 0.66 AML other m 2021-10-21T05:03:32.59
OX.MPRI.HHE. ML:1.1 0.00007445000000000001 0.2 AML other m 2021-10-21T05:03:35.13
OX.MPRI.HHN. ML:1.1 0.00007439999999999999 0.96 AML other m 2021-10-21T05:03:35.50
IV.FVI.HHE. ML:1.2 0.00005815 0.22 AML other m 2021-10-21T05:03:37.00
IV.FVI.HHN. ML:0.9 0.000028499999999999998 1.06 AML other m 2021-10-21T05:03:37.23
OX.ACOM.HNE. ML:1.5 0.00012654999999999999 0.38 AML other m 2021-10-21T05:03:37.35
OX.ACOM.HNN. ML:1.6 0.00014749999999999998 0.64 AML other m 2021-10-21T05:03:37.27
OX.ACOM.HHN. ML:1.5 0.0001295 0.62 AML other m 2021-10-21T05:03:37.29
OX.ACOM.HHE. ML:1.5 0.00012835000000000003 1.2 AML other m 2021-10-21T05:03:37.69
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