Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 21-10-2021 and time 02:30:24 (UTC) in region 4 km W Moggio Udinese (UD)

A magnitude ML 2.1 earthquake occured in region: 4 km W Moggio Udinese (UD), on

  • 21-10-2021 02:30:24 (UTC)
  • 21-10-2021 04:30:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4210, 13.1460 at 10 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
Moggio Udinese UD 4 1714 1714
Amaro UD 7 823 2537
Resiutta UD 7 309 2846
Venzone UD 10 2117 4963
Cavazzo Carnico UD 10 1052 6015
Tolmezzo UD 10 10440 16455
Zuglio UD 10 595 17050
Arta Terme UD 11 2171 19221
Bordano UD 12 754 19975
Verzegnis UD 12 863 20838
Paularo UD 12 2623 23461
Chiusaforte UD 13 672 24133
Dogna UD 13 175 24308
Resia UD 13 1033 25341
Ligosullo UD 14 116 25457
Treppo Carnico UD 15 618 26075
Pontebba UD 16 1433 27508
Paluzza UD 16 2217 29725
Sutrio UD 16 1332 31057
Gemona del Friuli UD 16 10964 42021
Lauco UD 16 729 42750
Trasaghis UD 16 2227 44977
Cercivento UD 17 679 45656
Villa Santina UD 17 2233 47889
Montenars UD 18 538 48427
Osoppo UD 19 2936 51363
Lusevera UD 20 643 52006
Artegna UD 20 2885 54891

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km N of Udine (99169 inhabitants)
64 Km NE of Pordenone (51229 inhabitants)
98 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 2.1 2021-10-21
02:30:24		 46.4213 13.146 10 2022-03-30
13:04:19		 Bollettino Sismico Italiano INGV 98084611
Reviewed
Rev100 		ML 2.1 2021-10-21
02:30:24		 46.4247 13.134 15 2021-10-21
02:38:04		 Sala Sismica INGV-Roma 96818761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-21 02:30:24 ± 0.1
Latitude 46.4213 ± 0.0063
Longitude 13.1460 ± 0.0078
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 98084611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 662
Semi-minor axis of confidence ellipse (meter) 531
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 198
Circular confidence region, given by single value of horizontal uncertainty (meter) 660.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 44
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.46
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.85980
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 31
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 52
Type of magnitude ML
Reference to an origin 98084611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-21 10:46:22

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 96818761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-21 02:38:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PARC.HHZ. 2021-10-21T02:31:55.27 3.0 undecidable manual Sg 8.41 0
IV.EL6.EHZ. 2021-10-21T02:31:45.79 3.0 undecidable manual Sn -7 0
IV.TST01.HHZ. 2021-10-21T02:31:41.16 3.0 negative manual Pn 4.31 0
IV.VAGA.HNZ. 2021-10-21T02:31:39.77 3.0 undecidable manual Pn -1.34 0
IV.GAVE.EHZ. 2021-10-21T02:31:33.84 3.0 negative manual Pg 10.97 0
IV.MURB.HNZ. 2021-10-21T02:31:21.03 3.0 undecidable manual Pg 5.61 0
IV.OSSC.HHZ. 2021-10-21T02:31:18.70 3.0 undecidable manual Pn 3.15 0
IV.CSP1.EHZ. 2021-10-21T02:31:15.37 3.0 negative manual Pn -1.95 0
IV.CPGN.EHZ. 2021-10-21T02:31:04.40 3.0 undecidable manual Pn -4.11 0
IV.MAGA.HHZ. 2021-10-21T02:30:59.44 0.3 undecidable manual P 251 206.4378 38 2.17 14
IV.MBAL.EHZ. 2021-10-21T02:30:57.77 0.3 undecidable manual P 246 193.4619 38 2.12 16
ST.VARA.EHZ. 2021-10-21T02:30:55.66 0.3 undecidable manual P 250 185.1702 38 1.05 35
ST.OZOL.EHZ. 2021-10-21T02:30:52.54 0.3 undecidable manual P 270 160.2174 50 1.51 31
ST.DOSS.HHZ. 2021-10-21T02:30:52.68 0.3 undecidable manual P 249 161.9157 50 1.38 33
OE.WTTA.HHZ. 2021-10-21T02:30:49.79 0.3 undecidable manual P 310 147.8409 50 0.66 49
IV.CTI.HHZ. 2021-10-21T02:30:46.53 0.3 undecidable manual P 251 122.0889 50 1.37 37
ST.ZIAN.EHZ. 2021-10-21T02:30:46.03 0.3 undecidable manual P 263 122.2887 50 0.84 48
SL.LJU.BHZ. 2021-10-21T02:30:45.17 0.6 undecidable manual P 111 113.997 50 1.25 27
OX.VARN.HHZ. 2021-10-21T02:30:41.29 0.6 undecidable manual P 240 93.0402 50 0.61 38
MN.TRI.HHZ. 2021-10-21T02:30:41.29 0.6 undecidable manual P 149 92.241 50 0.73 36
OX.DRE.HHZ. 2021-10-21T02:30:40.28 0.6 undecidable manual S 126 47.1195 50 0.24 45
IV.FREG.EHZ. 2021-10-21T02:30:39.06 0.6 undecidable manual P 235 78.4659 50 0.62 39
OX.PRED.HHE. 2021-10-21T02:30:35.63 0.3 undecidable manual S 86 32.1456 50 -0.41 67
IV.FVI.HHZ. 2021-10-21T02:30:35.48 0.3 undecidable manual S 305 34.0437 50 -1.07 52
OX.SABO.HHZ. 2021-10-21T02:30:35.28 0.6 undecidable manual P 142 60.9945 50 -0.46 42
OX.MLN.HHZ. 2021-10-21T02:30:34.08 0.6 undecidable manual P 234 50.616 50 -0.07 47
OX.CIMO.HHZ. 2021-10-21T02:30:34.18 0.6 undecidable manual P 257 55.0005 50 -0.65 40
NI.PALA.HHZ. 2021-10-21T02:30:33.85 0.3 undecidable manual S 221 25.9518 50 -0.54 66
OX.DRE.HHZ. 2021-10-21T02:30:33.04 0.1 undecidable manual P 126 47.1195 50 -0.57 84
OX.BAD.HNZ. 2021-10-21T02:30:33.20 0.3 undecidable manual S 160 22.0668 115 -0.06 74
OX.MPRI.HHZ. 2021-10-21T02:30:33.36 0.3 undecidable manual S 211 23.3544 114 -0.32 70
NI.VINO.HHZ. 2021-10-21T02:30:32.85 0.3 undecidable manual S 152 21.0678 116 -0.09 73
OX.CLUD.HHZ. 2021-10-21T02:30:32.14 0.6 undecidable manual S 281 20.5683 116 -0.66 42
RF.GEPF.HHZ. 2021-10-21T02:30:31.64 0.3 undecidable manual S 182 16.2726 122 0.17 73
IV.PTCC.HHZ. 2021-10-21T02:30:31.54 0.3 undecidable manual S 95 15.9729 123 0.14 73
OX.ACOM.HHZ. 2021-10-21T02:30:31.37 0.3 undecidable manual P 63 31.4463 50 0.18 71
IV.FVI.HHZ. 2021-10-21T02:30:31.03 0.1 negative manual P 305 34.0437 50 -0.56 86
IV.STAL.HHZ. 2021-10-21T02:30:31.34 0.6 undecidable manual P 242 37.8288 50 -0.84 38
OX.PLRO.HHZ. 2021-10-21T02:30:30.97 0.3 undecidable manual S 1 14.1747 126 0.09 74
OX.FUSE.HHZ. 2021-10-21T02:30:30.09 0.3 undecidable manual S 266 11.0778 133 0.04 75
OX.PRED.HHE. 2021-10-21T02:30:30.93 0.3 undecidable manual P 86 32.1456 50 -0.37 68
OX.BOO.HHZ. 2021-10-21T02:30:30.73 0.3 undecidable manual S 198 11.877 131 0.48 69
NI.PURA.HHE. 2021-10-21T02:30:30.71 0.3 undecidable manual P 271 30.9468 50 -0.4 68
OX.BAD.HNZ. 2021-10-21T02:30:29.41 0.3 undecidable manual P 160 22.0668 115 -0.28 70
OX.CLUD.HHZ. 2021-10-21T02:30:29.05 0.1 negative manual P 281 20.5683 116 -0.37 92
OX.MPRI.HHZ. 2021-10-21T02:30:29.55 0.3 undecidable manual P 211 23.3544 114 -0.38 69
NI.PALA.HHZ. 2021-10-21T02:30:29.88 0.1 negative manual P 221 25.9518 50 -0.46 90
NI.VINO.HHZ. 2021-10-21T02:30:29.24 0.1 undecidable manual P 152 21.0678 116 -0.26 94
OX.BOO.HHZ. 2021-10-21T02:30:28.10 0.1 undecidable manual P 198 11.877 131 0.15 98
OX.PLRO.HHZ. 2021-10-21T02:30:28.47 0.1 undecidable manual P 1 14.1747 126 0.15 98
RF.GEPF.HHZ. 2021-10-21T02:30:28.57 0.1 negative manual P 182 16.2726 122 -0.09 99
IV.PTCC.HHZ. 2021-10-21T02:30:28.73 0.1 positive manual P 95 15.9729 123 0.12 98
OX.FUSE.HHZ. 2021-10-21T02:30:27.91 0.1 negative manual P 266 11.0778 133 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.PLRO.HHE. ML:2.4 0.00246 0.36 AML other m 2021-10-21T02:30:31.23
OX.PLRO.HHN. ML:2.4 0.002715 0.12 AML other m 2021-10-21T02:30:31.44
IV.PTCC.HHN. ML:2.2 0.0016 0.24 AML other m 2021-10-21T02:30:31.73
IV.PTCC.HHE. ML:2.2 0.001405 0.48 AML other m 2021-10-21T02:30:31.97
RF.GEPF.HHE. ML:1.8 0.0004965 0.28 AML other m 2021-10-21T02:30:31.98
RF.GEPF.HHN. ML:2.2 0.0013145 1.74 AML other m 2021-10-21T02:30:31.90
OX.CLUD.HNE. ML:1.6 0.00028649999999999997 0.64 AML other m 2021-10-21T02:30:32.24
OX.CLUD.HHE. ML:1.6 0.00030199999999999997 0.64 AML other m 2021-10-21T02:30:32.24
NI.VINO.HHE. ML:1.8 0.000527 0.74 AML other m 2021-10-21T02:30:33.49
NI.VINO.HHN. ML:2.0 0.000794 0.38 AML other m 2021-10-21T02:30:33.24
OX.MPRI.HNE. ML:1.9 0.0005875 1.86 AML other m 2021-10-21T02:30:33.93
OX.MPRI.HHE. ML:2.1 0.00075 1.86 AML other m 2021-10-21T02:30:33.93
OX.CLUD.HHN. ML:1.5 0.0002065 0.7 AML other m 2021-10-21T02:30:34.19
OX.CLUD.HNN. ML:1.4 0.0001995 0.7 AML other m 2021-10-21T02:30:34.19
OX.MPRI.HHN. ML:2.0 0.0006879999999999999 0.42 AML other m 2021-10-21T02:30:34.87
OX.MPRI.HNN. ML:1.9 0.00054 0.44 AML other m 2021-10-21T02:30:34.87
NI.PALA.HHE. ML:1.9 0.00047000000000000004 1.44 AML other m 2021-10-21T02:30:35.75
NI.PALA.HHN. ML:1.9 0.000446 0.12 AML other m 2021-10-21T02:30:35.78
IV.FVI.HHE. ML:2.2 0.0006255 1.8 AML other m 2021-10-21T02:30:35.97
IV.FVI.HHN. ML:1.8 0.0002735 1.54 AML other m 2021-10-21T02:30:36.11
OX.ACOM.HHN. ML:2.4 0.001345 0.52 AML other m 2021-10-21T02:30:36.31
OX.ACOM.HNE. ML:2.3 0.0010364999999999999 0.32 AML other m 2021-10-21T02:30:36.72
OX.ACOM.HHE. ML:2.4 0.001065 0.32 AML other m 2021-10-21T02:30:36.72
OX.ACOM.HNN. ML:2.4 0.001314 0.42 AML other m 2021-10-21T02:30:37.32
IV.STAL.HNE. ML:1.8 0.0002545 0.52 AML other m 2021-10-21T02:30:37.95
IV.STAL.HHN. ML:1.6 0.0001615 0.94 AML other m 2021-10-21T02:30:38.73
IV.STAL.HHE. ML:1.8 0.0002185 0.18 AML other m 2021-10-21T02:30:38.83
OX.CIMO.HHN. ML:1.0 0.00002615 0.16 AML other m 2021-10-21T02:30:43.12
IV.STAL.HNN. ML:1.9 0.0002675 0.78 AML other m 2021-10-21T02:30:43.39
OX.MLN.HHN. ML:1.2 0.000043249999999999994 1.5 AML other m 2021-10-21T02:30:44.98
OX.CIMO.HHE. ML:1.1 0.000031349999999999996 0.56 AML other m 2021-10-21T02:30:46.49
OX.SABO.HHE. ML:2.0 0.000184 0.22 AML other m 2021-10-21T02:30:46.66
OX.SABO.HNE. ML:2.6 0.0008335 0.22 AML other m 2021-10-21T02:30:46.67
OX.SABO.HHN. ML:2.1 0.000257 1.1 AML other m 2021-10-21T02:30:46.24
OX.SABO.HNN. ML:2.7 0.0009670000000000001 1.1 AML other m 2021-10-21T02:30:46.25
OX.MLN.HHE. ML:1.2 0.0000445 1.48 AML other m 2021-10-21T02:30:51.12
IV.FREG.EHE. ML:1.9 0.0001187 1.32 AML other m 2021-10-21T02:30:55.98
IV.FREG.EHN. ML:1.8 0.0000981 0.42 AML other m 2021-10-21T02:30:56.22
OX.VARN.HHN. ML:2.0 0.00011899999999999999 0.24 AML other m 2021-10-21T02:30:58.46
OX.VARN.HHE. ML:2.1 0.0001295 0.8 AML other m 2021-10-21T02:30:59.11
SL.LJU.BHN. ML:2.8 0.0005304999999999999 0.9 AML other m 2021-10-21T02:31:03.67
SL.LJU.BHE. ML:2.7 0.000399 1.1 AML other m 2021-10-21T02:31:03.42
ST.ZIAN.EHN. ML:1.8 0.00004905 0.26 AML other m 2021-10-21T02:31:04.69
IV.CTI.HHE. ML:2.4 0.000195 0.42 AML other m 2021-10-21T02:31:04.62
ST.ZIAN.EHE. ML:2.0 0.00006905 0.3 AML other m 2021-10-21T02:31:04.76
IV.CTI.HHN. ML:2.3 0.0001295 0.46 AML other m 2021-10-21T02:31:05.56
ST.OZOL.EHN. ML:2.5 0.00014000000000000001 1.06 AML other m 2021-10-21T02:31:15.31
ST.DOSS.HHN. ML:2.2 0.0000682 0.32 AML other m 2021-10-21T02:31:15.69
ST.DOSS.HHE. ML:2.3 0.0000811 1.68 AML other m 2021-10-21T02:31:16.02
ST.OZOL.EHE. ML:2.4 0.00012475 0.48 AML other m 2021-10-21T02:31:17.13
IV.MAGA.HHE. ML:2.7 0.000128 0.58 AML other m 2021-10-21T02:31:27.01
IV.MAGA.HHN. ML:2.3 0.00005495 0.76 AML other m 2021-10-21T02:31:30.96
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
Waveforms Seismic signals in miniseed + resp format Download