Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 15-01-2021 and time 03:21:23 (Italy) in region 3 km SE Forgaria nel Friuli (UD)

A magnitude ML 2.0 earthquake occured in region: 3 km SE Forgaria nel Friuli (UD), on

  • 15-01-2021 02:21:23 (UTC)
  • 15-01-2021 03:21:23 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.2050, 12.9910 at 9 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
Forgaria nel Friuli UD 3 1786 1786
Ragogna UD 3 2909 4695
Vito d'Asio PN 4 769 5464
Pinzano al Tagliamento PN 4 1525 6989
San Daniele del Friuli UD 5 8013 15002
Clauzetto PN 6 380 15382
Castelnovo del Friuli PN 7 880 16262
Majano UD 7 5945 22207
Osoppo UD 9 2936 25143
Travesio PN 9 1776 26919
Rive d'Arcano UD 9 2444 29363
Buja UD 10 6563 35926
Trasaghis UD 11 2227 38153
Spilimbergo PN 12 12124 50277
Coseano UD 12 2187 52464
Colloredo di Monte Albano UD 12 2223 54687
Fagagna UD 12 6385 61072
Treppo Grande UD 13 1708 62780
Sequals PN 13 2200 64980
Artegna UD 13 2885 67865
Dignano UD 14 2317 70182
Moruzzo UD 14 2456 72638
San Vito di Fagagna UD 14 1671 74309
Gemona del Friuli UD 14 10964 85273
Magnano in Riviera UD 15 2336 87609
Bordano UD 15 754 88363
Cassacco UD 15 2938 91301
Meduno PN 16 1574 92875
Montenars UD 16 538 93413
Martignacco UD 16 6924 100337
Flaibano UD 16 1156 101493
Arba PN 17 1309 102802
Cavasso Nuovo PN 17 1525 104327
Tramonti di Sotto PN 17 387 104714
Mereto di Tomba UD 18 2648 107362
Pagnacco UD 18 5044 112406
Tricesimo UD 18 7600 120006
Tarcento UD 18 9012 129018
Fanna PN 18 1583 130601
Venzone UD 18 2117 132718
Cavazzo Carnico UD 19 1052 133770
Tramonti di Sopra PN 19 321 134091
San Giorgio della Richinvelda PN 20 4650 138741

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km NW of Udine (99169 inhabitants)
38 Km NE of Pordenone (51229 inhabitants)
83 Km NE of Treviso (83731 inhabitants)
86 Km NW of Trieste (204420 inhabitants)
99 Km NE of Venezia (263352 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 2.0 2021-01-15
02:21:23		 46.205 12.9912 9 2021-07-12
16:54:57		 Bollettino Sismico Italiano INGV 86910201
Reviewed
Rev100 		ML 2.1 2021-01-15
02:21:23		 46.2073 12.9958 10 2021-01-15
02:30:10		 Sala Sismica INGV-Roma 86257751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-15 02:21:23 ± 0.07
Latitude 46.2050 ± 0.0045
Longitude 12.9912 ± 0.0039
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86910201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 473
Semi-minor axis of confidence ellipse (meter) 150
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 357
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 53
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.73209
Number of stations at which the event was observed 36
Number of stations from which data was used for origin computation 33
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 66
Type of magnitude ML
Reference to an origin 86257751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-15 02:30:10

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 57
Type of magnitude ML
Reference to an origin 86910201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-03-08 11:15:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLMA.HHZ. 2021-01-15T02:22:22.53 3.0 positive manual Pg 7.86 0
IV.FDMO.HHZ. 2021-01-15T02:22:21.79 3.0 positive manual Pg 6.23 0
IV.RIBO.EHZ.01 2021-01-15T02:22:21.02 3.0 undecidable manual Pn 0.26 0
SL.BOJS.BHZ. 2021-01-15T02:21:56.02 0.6 undecidable manual P 113 191.1642 38 2.15 0
SI.MOSI.HHZ. 2021-01-15T02:21:56.53 0.3 undecidable manual P 285 192.2631 38 2.53 0
SI.LUSI.HHZ. 2021-01-15T02:21:51.06 0.3 undecidable manual P 261 159.9177 50 1.61 0
ST.GAGG.HHZ. 2021-01-15T02:21:51.01 0.3 undecidable manual P 266 156.8208 50 2.03 0
ST.OZOL.EHZ. 2021-01-15T02:21:50.57 0.3 undecidable manual P 279 150.2385 50 2.6 0
OE.WTTA.HHZ. 2021-01-15T02:21:50.37 0.3 undecidable manual P 319 156.2214 50 1.48 0
SI.ROSI.HHZ. 2021-01-15T02:21:49.07 0.3 undecidable manual P 304 144.744 50 1.95 0
ST.DOSS.HHZ. 2021-01-15T02:21:48.50 0.3 undecidable manual P 256 143.3454 50 1.59 0
IV.APPI.EHZ. 2021-01-15T02:21:48.31 0.3 undecidable manual P 283 138.3615 50 2.17 0
IV.TEOL.HHZ. 2021-01-15T02:21:47.47 0.3 undecidable manual P 228 138.3615 50 1.34 0
MN.TRI.HHZ. 2021-01-15T02:21:47.30 0.6 undecidable manual S 132 81.1521 50 -0.4 14
ST.PANI.EHZ. 2021-01-15T02:21:46.49 0.3 undecidable manual P 263 128.5713 50 1.86 0
OX.AGOR.HHN. 2021-01-15T02:21:46.46 1.0 undecidable manual S 277 72.9714 50 0.94 11
SI.KOSI.HHZ. 2021-01-15T02:21:46.05 0.3 undecidable manual P 284 126.873 50 1.69 0
ST.ZIAN.EHZ. 2021-01-15T02:21:43.30 0.3 undecidable manual P 275 109.8123 50 1.56 0
OX.ACOM.HHZ. 2021-01-15T02:21:41.10 0.6 undecidable manual S 46 55.2003 50 0.31 46
OX.SABO.HHZ. 2021-01-15T02:21:41.30 0.6 undecidable manual S 116 55.0005 50 0.57 43
OX.DRE.HHZ. 2021-01-15T02:21:40.30 0.3 undecidable manual S 94 50.3163 50 0.81 60
IV.FVI.HHZ. 2021-01-15T02:21:38.90 0.3 undecidable manual S 340 46.3203 50 0.48 68
MN.TRI.HHZ. 2021-01-15T02:21:37.38 1.0 undecidable manual P 132 81.1521 50 0.06 8
OX.CIMO.HHZ. 2021-01-15T02:21:37.60 0.6 undecidable manual S 286 43.5231 50 -0.07 50
OX.AGOR.HHN. 2021-01-15T02:21:37.16 1.0 undecidable manual P 277 72.9714 50 1.11 10
IV.PTCC.HHZ. 2021-01-15T02:21:35.30 0.3 undecidable manual S 51 35.742 50 -0.29 71
OX.VARN.HNN. 2021-01-15T02:21:35.69 0.3 undecidable manual P 251 72.1722 50 -0.24 42
IV.FREG.EHZ. 2021-01-15T02:21:34.25 0.1 undecidable manual P 248 56.3991 50 0.74 79
OX.CLUD.HHZ. 2021-01-15T02:21:33.70 0.3 undecidable manual S 343 29.1486 107 -0.02 75
OX.ACOM.HHZ. 2021-01-15T02:21:33.17 0.3 undecidable manual P 46 55.2003 50 -0.15 71
OX.MLN.HHE. 2021-01-15T02:21:33.90 0.6 undecidable manual S 258 29.5482 107 0.07 50
OX.SABO.HHZ. 2021-01-15T02:21:32.85 0.1 undecidable manual P 116 55.0005 50 -0.44 90
OX.CAE.HHZ. 2021-01-15T02:21:32.03 0.3 undecidable manual P 243 47.8188 50 -0.15 73
OX.DRE.HHZ. 2021-01-15T02:21:32.46 0.6 undecidable manual P 94 50.3163 50 -0.11 49
NI.VINO.HHZ. 2021-01-15T02:21:32.20 0.6 undecidable manual S 76 22.4553 112 0.67 42
IV.STAL.HHZ. 2021-01-15T02:21:32.10 0.6 undecidable manual S 286 22.3554 112 0.6 44
OX.CIMO.HHZ. 2021-01-15T02:21:31.09 0.1 undecidable manual P 286 43.5231 50 -0.44 92
OX.FUSE.HHZ. 2021-01-15T02:21:31.90 0.3 undecidable manual S 2 23.2545 111 0.13 74
IV.FVI.HHZ. 2021-01-15T02:21:31.68 0.1 undecidable manual P 340 46.3203 50 -0.28 95
OX.BAD.HHE. 2021-01-15T02:21:30.60 0.3 undecidable manual S 80 19.6692 115 -0.03 75
OX.BOO.HHE. 2021-01-15T02:21:29.70 0.3 undecidable manual S 33 15.1737 121 0.47 69
RF.GEPF.HHZ. 2021-01-15T02:21:29.00 0.6 undecidable manual S 55 13.6752 123 0.18 49
IV.PTCC.HHZ. 2021-01-15T02:21:29.78 0.1 undecidable manual P 51 35.742 50 -0.54 89
OX.MLN.HHE. 2021-01-15T02:21:29.37 0.1 undecidable manual P 258 29.5482 107 0.06 100
OX.CLUD.HHZ. 2021-01-15T02:21:28.92 0.3 undecidable manual P 343 29.1486 107 -0.33 71
NI.VINO.HHZ. 2021-01-15T02:21:27.78 0.1 undecidable manual P 76 22.4553 112 -0.2 97
IV.STAL.HHZ. 2021-01-15T02:21:27.91 0.3 undecidable manual P 286 22.3554 112 -0.05 75
OX.BAD.HHE. 2021-01-15T02:21:27.31 0.1 undecidable manual P 80 19.6692 115 -0.15 98
OX.FUSE.HHZ. 2021-01-15T02:21:27.95 0.1 undecidable manual P 2 23.2545 111 -0.17 97
RF.GEPF.HHZ. 2021-01-15T02:21:26.39 0.3 undecidable manual P 55 13.6752 123 -0.02 75
OX.MPRI.HHZ. 2021-01-15T02:21:26.40 0.3 undecidable manual S 356 3.996 156 -0.14 73
OX.BOO.HHE. 2021-01-15T02:21:26.71 0.3 undecidable manual P 33 15.1737 121 0.06 75
OX.MPRI.HHZ. 2021-01-15T02:21:25.06 0.1 negative manual P 356 3.996 156 -0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
RF.GEPF.HHE. ML:1.7 0.0005756633 0.2192 AML other m 2021-01-15T02:21:30.22
RF.GEPF.HHN. ML:1.8 0.0007122449 0.2784 AML other m 2021-01-15T02:21:30.59
IV.STAL.HHN. ML:2.4 0.001835 1.82 AML other m 2021-01-15T02:21:33.03
IV.STAL.HNE. ML:2.4 0.0017083685 0.1392 AML other m 2021-01-15T02:21:33.25
IV.STAL.HNN. ML:2.6 0.0024231025 0.1408 AML other m 2021-01-15T02:21:33.55
IV.STAL.HHE. ML:2.5 0.0019950000000000002 0.24 AML other m 2021-01-15T02:21:33.69
OX.CLUD.HNN. ML:1.3 0.000102487635 0.52 AML other m 2021-01-15T02:21:34.94
OX.CLUD.HNE. ML:1.5 0.000175456375 0.3408 AML other m 2021-01-15T02:21:35.18
OX.CLUD.HHE. ML:1.5 0.0001719591 0.3408 AML other m 2021-01-15T02:21:35.18
NI.VINO.HHE. ML:1.5 0.00022100735 0.3792 AML other m 2021-01-15T02:21:35.00
IV.PTCC.HHE. ML:1.7 0.00020600000000000002 1.6 AML other m 2021-01-15T02:21:35.94
NI.VINO.HHN. ML:1.7 0.0003345 1.62 AML other m 2021-01-15T02:21:36.88
IV.PTCC.HHN. ML:1.8 0.00022649999999999998 0.5 AML other m 2021-01-15T02:21:37.70
OX.CIMO.HHN. ML:1.6 0.0001314442 0.2592 AML other m 2021-01-15T02:21:38.01
OX.CIMO.HNN. ML:1.6 0.00012317155 0.2592 AML other m 2021-01-15T02:21:38.14
IV.FVI.HHE. ML:1.4 0.0000766 0.34 AML other m 2021-01-15T02:21:39.12
OX.CIMO.HHE. ML:1.4 0.00007805 0.3 AML other m 2021-01-15T02:21:39.46
OX.CIMO.HNE. ML:1.4 0.000075446155 0.2992 AML other m 2021-01-15T02:21:39.47
OX.CLUD.HHN. ML:1.3 0.0001019 1.38 AML other m 2021-01-15T02:21:40.01
OX.SABO.HNE. ML:2.8 0.00132971905 1.36 AML other m 2021-01-15T02:21:42.80
OX.SABO.HNN. ML:2.8 0.0013097533000000002 0.6 AML other m 2021-01-15T02:21:42.38
IV.FVI.HHN. ML:1.4 0.000075440215 0.4816 AML other m 2021-01-15T02:21:43.25
OX.ACOM.HHN. ML:1.7 0.00011868346000000001 0.5808 AML other m 2021-01-15T02:21:44.38
OX.ACOM.HNN. ML:1.8 0.00013456214500000003 0.6 AML other m 2021-01-15T02:21:44.68
OX.ACOM.HHE. ML:1.9 0.0001686771 0.28 AML other m 2021-01-15T02:21:45.65
OX.ACOM.HNE. ML:1.9 0.00018527254999999997 0.3008 AML other m 2021-01-15T02:21:45.65
OX.SABO.HHN. ML:2.1 0.000298 1.36 AML other m 2021-01-15T02:21:47.86
IV.FREG.EHE. ML:2.2 0.0003855 0.98 AML other m 2021-01-15T02:21:48.97
IV.FREG.EHN. ML:1.8 0.00014050000000000003 0.34 AML other m 2021-01-15T02:21:51.34
OX.SABO.HHE. ML:2.0 0.0002054263 0.4208 AML other m 2021-01-15T02:21:51.61
ST.ZIAN.HNN. ML:2.1 0.00009965726 0.3984 AML other m 2021-01-15T02:22:02.20
ST.ZIAN.EHE. ML:1.8 0.0000518465 0.2208 AML other m 2021-01-15T02:22:02.19
ST.ZIAN.EHN. ML:1.8 0.00005278288 0.48 AML other m 2021-01-15T02:22:05.39
ST.PANI.EHN. ML:2.3 0.00013800000000000002 0.32 AML other m 2021-01-15T02:22:06.41
ST.PANI.EHE. ML:1.9 0.00005432315999999999 0.1984 AML other m 2021-01-15T02:22:06.69
SI.KOSI.HHN. ML:2.0 0.00007074072000000001 1.64 AML other m 2021-01-15T02:22:06.93
SI.KOSI.HHE. ML:2.0 0.00007515 1.34 AML other m 2021-01-15T02:22:08.20
IV.APPI.EHN. ML:2.2 0.0000959 0.48 AML other m 2021-01-15T02:22:09.34
IV.APPI.EHE. ML:2.1 0.00006978233500000001 0.2192 AML other m 2021-01-15T02:22:09.66
IV.TEOL.HHN. ML:2.4 0.0001455 1.12 AML other m 2021-01-15T02:22:10.60
ST.DOSS.HHE. ML:2.1 0.000076569345 0.56 AML other m 2021-01-15T02:22:12.10
SI.LUSI.HHE. ML:2.2 0.00007685 0.52 AML other m 2021-01-15T02:22:12.58
SI.ROSI.HHE. ML:2.2 0.00008745 0.7 AML other m 2021-01-15T02:22:12.31
SI.ROSI.HHN. ML:2.2 0.000086029135 0.2816 AML other m 2021-01-15T02:22:12.79
IV.TEOL.HHE. ML:2.5 0.0002045 1.52 AML other m 2021-01-15T02:22:13.18
ST.GAGG.HNE. ML:2.2 0.00008241741499999999 0.72 AML other m 2021-01-15T02:22:13.97
OE.WTTA.HHE. ML:1.7 0.0000272588065 1.3792 AML other m 2021-01-15T02:22:14.29
OE.WTTA.HHN. ML:1.8 0.00002925 0.54 AML other m 2021-01-15T02:22:14.46
ST.OZOL.EHN. ML:2.4 0.0001305 0.28 AML other m 2021-01-15T02:22:14.68
ST.DOSS.HHN. ML:2.2 0.0000914 0.94 AML other m 2021-01-15T02:22:15.23
ST.GAGG.HHE. ML:2.1 0.000064681325 0.4208 AML other m 2021-01-15T02:22:15.43
ST.DOSS.HNE. ML:2.3 0.00010844636000000001 0.4208 AML other m 2021-01-15T02:22:16.60
SI.LUSI.HHN. ML:2.3 0.00008376092000000001 0.3792 AML other m 2021-01-15T02:22:17.27
ST.GAGG.HHN. ML:2.2 0.0000694 0.54 AML other m 2021-01-15T02:22:17.68
ST.OZOL.EHE. ML:2.6 0.0002055 1.54 AML other m 2021-01-15T02:22:18.92
SI.MOSI.HHN. ML:2.8 0.000194 0.8 AML other m 2021-01-15T02:22:27.12
SI.MOSI.HHE. ML:2.4 0.00008785 0.86 AML other m 2021-01-15T02:22:28.88
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