Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 17-01-2021 and time 01:00:40 (Italy) in region 1 km W Verzegnis (UD)

A magnitude ML 1.9 earthquake occured in region: 1 km W Verzegnis (UD), on

  • 17-01-2021 00:00:40 (UTC)
  • 17-01-2021 01:00:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3970, 12.9790 at 7 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
Verzegnis UD 1 863 863
Tolmezzo UD 3 10440 11303
Lauco UD 5 729 12032
Villa Santina UD 5 2233 14265
Cavazzo Carnico UD 6 1052 15317
Enemonzo UD 8 1319 16636
Zuglio UD 8 595 17231
Preone UD 9 246 17477
Amaro UD 9 823 18300
Arta Terme UD 9 2171 20471
Raveo UD 9 458 20929
Socchieve UD 12 908 21837
Sutrio UD 13 1332 23169
Ovaro UD 13 1922 25091
Bordano UD 13 754 25845
Venzone UD 14 2117 27962
Ampezzo UD 14 1006 28968
Cercivento UD 15 679 29647
Trasaghis UD 15 2227 31874
Ravascletto UD 15 536 32410
Paluzza UD 15 2217 34627
Comeglians UD 16 516 35143
Treppo Carnico UD 16 618 35761
Moggio Udinese UD 17 1714 37475
Tramonti di Sopra PN 17 321 37796
Ligosullo UD 18 116 37912
Osoppo UD 18 2936 40848
Vito d'Asio PN 18 769 41617
Gemona del Friuli UD 18 10964 52581
Paularo UD 18 2623 55204
Resiutta UD 19 309 55513
Tramonti di Sotto PN 19 387 55900
Forgaria nel Friuli UD 19 1786 57686
Clauzetto PN 19 380 58066
Prato Carnico UD 20 904 58970
Rigolato UD 20 448 59418

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NW of Udine (99169 inhabitants)
55 Km NE of Pordenone (51229 inhabitants)
99 Km NE of Treviso (83731 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 1.9 2021-01-17
00:00:40		 46.3968 12.9793 7 2021-07-12
16:54:55		 Bollettino Sismico Italiano INGV 86353561
Reviewed
Rev100 		ML 1.9 2021-01-17
00:00:40		 46.3972 12.9727 7 2021-01-17
00:12:25		 Sala Sismica INGV-Roma 86313471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-17 00:00:40 ± 0.06
Latitude 46.3968 ± 0.0027
Longitude 12.9793 ± 0.0039
Depth (km) 7 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86353561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 348
Semi-minor axis of confidence ellipse (meter) 51
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 1.81393
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 86313471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-17 00:12:25

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 86353561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-04 14:39:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SL.BOJS.BHZ. 2021-01-17T00:01:14.43 0.3 undecidable manual P 119 201.3429 38 1.99 0
IV.MAGA.HHZ. 2021-01-17T00:01:14.08 0.6 undecidable manual P 250 193.5618 38 2.61 0
IV.MBAL.EHZ. 2021-01-17T00:01:11.98 0.3 undecidable manual P 245 180.7857 38 2.1 0
ST.VARA.EHZ. 2021-01-17T00:01:10.86 0.3 undecidable manual P 249 172.1943 50 2.24 0
ST.DOSS.HHZ. 2021-01-17T00:01:07.66 0.3 undecidable manual P 248 149.0397 50 2.61 0
ST.OZOL.EHZ. 2021-01-17T00:01:07.22 0.6 undecidable manual P 271 147.4413 50 2.42 0
ST.PANI.EHZ. 2021-01-17T00:01:04.74 0.3 undecidable manual P 254 131.9679 50 2.33 0
SI.KOSI.HHZ. 2021-01-17T00:01:02.80 0.3 undecidable manual P 274 122.6883 50 1.82 0
SL.LJU.BHZ. 2021-01-17T00:01:02.50 0.6 undecidable manual P 108 125.1747 50 1.14 0
MN.TRI.HHZ. 2021-01-17T00:00:57.01 0.3 undecidable manual P 141 97.3248 50 -0.06 14
OX.PRED.HNZ. 2021-01-17T00:00:55.48 0.6 undecidable manual S 83 45.1215 50 -0.03 49
IV.FREG.EHZ. 2021-01-17T00:00:53.56 0.3 undecidable manual P 230 66.6777 50 1.21 37
OX.SABO.HHZ. 2021-01-17T00:00:52.38 0.3 undecidable manual P 132 67.6767 50 -0.13 53
OX.CAE.HHZ. 2021-01-17T00:00:51.59 0.3 undecidable manual P 224 59.7957 50 0.3 60
OX.DRE.HHZ. 2021-01-17T00:00:50.49 0.3 undecidable manual P 116 56.6988 50 -0.33 63
IV.PTCC.HHZ. 2021-01-17T00:00:50.56 0.3 undecidable manual S 88 28.6491 104 0.14 73
IV.FVI.HHZ. 2021-01-17T00:00:49.47 0.3 undecidable manual S 326 26.8509 105 -0.34 70
NI.VINO.HHZ. 2021-01-17T00:00:49.77 0.3 undecidable manual S 125 27.6501 105 -0.31 70
OX.BAD.HNE. 2021-01-17T00:00:49.62 0.6 undecidable manual S 132 27.1506 105 -0.28 47
IV.STAL.HHZ. 2021-01-17T00:00:49.12 0.3 undecidable manual S 234 25.5522 106 -0.26 71
OX.PRED.HNZ. 2021-01-17T00:00:48.93 0.1 undecidable manual P 83 45.1215 50 -0.09 97
OX.MLN.HNE. 2021-01-17T00:00:48.08 0.3 undecidable manual P 226 39.1275 50 -0.02 75
OX.PLRO.HHE. 2021-01-17T00:00:48.10 0.3 undecidable manual S 37 21.2676 109 0.16 73
OX.ACOM.HHZ. 2021-01-17T00:00:48.85 0.1 undecidable manual P 67 44.1225 50 -0.02 99
OX.CIMO.HHZ. 2021-01-17T00:00:47.76 0.3 undecidable manual P 257 42.0246 50 -0.79 60
OX.MPRI.HHZ. 2021-01-17T00:00:46.75 0.3 undecidable manual S 178 17.3715 113 0.08 74
RF.GEPF.HHZ. 2021-01-17T00:00:46.87 0.3 undecidable manual S 138 18.1707 112 -0.08 74
IV.PTCC.HHZ. 2021-01-17T00:00:46.05 0.3 undecidable manual P 88 28.6491 104 -0.03 75
IV.STAL.HHZ. 2021-01-17T00:00:45.38 0.1 undecidable manual P 234 25.5522 106 -0.1 98
IV.FVI.HHZ. 2021-01-17T00:00:45.72 0.1 undecidable manual P 326 26.8509 105 -0.01 100
OX.BAD.HNE. 2021-01-17T00:00:45.71 0.1 undecidable manual P 132 27.1506 105 -0.07 99
NI.VINO.HHZ. 2021-01-17T00:00:45.76 0.1 undecidable manual P 125 27.6501 105 -0.13 98
OX.BOO.HHE. 2021-01-17T00:00:45.42 0.3 undecidable manual S 133 12.4764 120 0.25 71
OX.MPRI.HHZ. 2021-01-17T00:00:44.17 0.1 negative manual P 178 17.3715 113 0.25 95
OX.CLUD.HHZ. 2021-01-17T00:00:44.63 0.3 undecidable manual S 312 9.9789 126 0.19 72
RF.GEPF.HHZ. 2021-01-17T00:00:44.22 0.1 undecidable manual P 138 18.1707 112 0.14 97
OX.PLRO.HHE. 2021-01-17T00:00:44.94 0.1 undecidable manual P 37 21.2676 109 0.29 94
OX.BOO.HHE. 2021-01-17T00:00:43.38 0.1 negative manual P 133 12.4764 120 0.33 94
OX.FUSE.HNZ. 2021-01-17T00:00:42.11 0.3 undecidable manual S 41 2.4975 161 -0.69 63
OX.CLUD.HHZ. 2021-01-17T00:00:42.96 0.1 negative manual P 312 9.9789 126 0.33 93
OX.FUSE.HNZ. 2021-01-17T00:00:41.68 0.1 negative manual P 41 2.4975 161 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.CLUD.HNE. ML:1.9 0.001135 0.3 AML other m 2021-01-17T00:00:44.82
OX.CLUD.HHE. ML:1.9 0.0011949999999999999 0.3 AML other m 2021-01-17T00:00:44.82
OX.CLUD.HHN. ML:2.0 0.0015 0.3 AML other m 2021-01-17T00:00:44.83
OX.CLUD.HNN. ML:2.0 0.0014199999999999998 0.3 AML other m 2021-01-17T00:00:44.83
OX.MPRI.HNE. ML:1.6 0.000407 1.02 AML other m 2021-01-17T00:00:48.04
RF.GEPF.HHN. ML:1.7 0.00042200000000000007 0.26 AML other m 2021-01-17T00:00:48.06
OX.MPRI.HHN. ML:1.9 0.0006979999999999999 0.38 AML other m 2021-01-17T00:00:48.39
OX.MPRI.HNN. ML:1.8 0.0005480000000000001 0.32 AML other m 2021-01-17T00:00:48.39
OX.MPRI.HHE. ML:1.7 0.0004965000000000001 1.04 AML other m 2021-01-17T00:00:48.78
IV.STAL.HHN. ML:1.8 0.00034899999999999997 0.16 AML other m 2021-01-17T00:00:49.52
RF.GEPF.HHE. ML:1.6 0.0003235 1.36 AML other m 2021-01-17T00:00:49.97
IV.FVI.HHN. ML:1.8 0.000317 0.08 AML other m 2021-01-17T00:00:50.16
IV.FVI.HHE. ML:1.8 0.000383 0.62 AML other m 2021-01-17T00:00:50.49
IV.STAL.HNN. ML:1.9 0.0005355 0.42 AML other m 2021-01-17T00:00:50.72
IV.STAL.HNE. ML:1.8 0.0004 0.48 AML other m 2021-01-17T00:00:51.40
NI.VINO.HHE. ML:1.6 0.00021100000000000003 0.96 AML other m 2021-01-17T00:00:51.03
NI.VINO.HHN. ML:1.5 0.000179 0.44 AML other m 2021-01-17T00:00:52.22
IV.STAL.HHE. ML:1.7 0.00029049999999999996 1.06 AML other m 2021-01-17T00:00:53.13
OX.CIMO.HHN. ML:1.1 0.00004595 0.82 AML other m 2021-01-17T00:00:54.45
OX.ACOM.HNE. ML:2.0 0.0003325 0.32 AML other m 2021-01-17T00:00:56.67
OX.ACOM.HHE. ML:2.0 0.0003165 0.3 AML other m 2021-01-17T00:00:56.66
OX.ACOM.HNN. ML:1.9 0.0002535 0.68 AML other m 2021-01-17T00:00:57.65
OX.CIMO.HHE. ML:1.0 0.0000346 0.52 AML other m 2021-01-17T00:00:57.34
OX.ACOM.HHN. ML:1.8 0.0002195 0.48 AML other m 2021-01-17T00:00:57.65
IV.FREG.EHE. ML:1.7 0.00008525 0.42 AML other m 2021-01-17T00:01:05.13
OX.SABO.HHN. ML:1.8 0.000114 0.82 AML other m 2021-01-17T00:01:06.46
OX.SABO.HNN. ML:2.4 0.000441 1.42 AML other m 2021-01-17T00:01:06.18
OX.SABO.HHE. ML:1.8 0.00010714999999999999 1.46 AML other m 2021-01-17T00:01:07.08
OX.SABO.HNE. ML:2.4 0.0004595 1.48 AML other m 2021-01-17T00:01:07.08
IV.FREG.EHN. ML:1.5 0.00006135 1.66 AML other m 2021-01-17T00:01:11.14
MN.TRI.HHN. ML:1.4 0.000026 1.42 AML other m 2021-01-17T00:01:15.98
MN.TRI.HHE. ML:1.7 0.000052699999999999993 0.62 AML other m 2021-01-17T00:01:15.52
SL.LJU.BHN. ML:2.8 0.000391 0.2 AML other m 2021-01-17T00:01:23.40
ST.PANI.EHN. ML:2.4 0.00017549999999999998 0.26 AML other m 2021-01-17T00:01:24.03
ST.PANI.EHE. ML:2.2 0.0001107 0.32 AML other m 2021-01-17T00:01:24.31
SL.LJU.BHE. ML:2.6 0.00027400000000000005 1.5 AML other m 2021-01-17T00:01:24.85
ST.DOSS.HHN. ML:2.4 0.000123 1.02 AML other m 2021-01-17T00:01:28.16
ST.DOSS.HHE. ML:2.2 0.00008355 1.08 AML other m 2021-01-17T00:01:29.69
ST.VARA.EHE. ML:2.4 0.00010425000000000001 1.18 AML other m 2021-01-17T00:01:36.63
ST.VARA.EHN. ML:2.2 0.00006950000000000001 0.88 AML other m 2021-01-17T00:01:36.54
IV.MAGA.HHE. ML:2.5 0.0000955 0.5 AML other m 2021-01-17T00:01:40.20
IV.MAGA.HHN. ML:2.2 0.0000454 0.42 AML other m 2021-01-17T00:01:41.31
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