Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 29-10-2020 and time 12:45:35 (UTC) in region 3 km SE Forni di Sopra (UD)

A magnitude ML 1.1 earthquake occured in region: 3 km SE Forni di Sopra (UD), on

  • 29-10-2020 12:45:35 (UTC)
  • 29-10-2020 13:45:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3980, 12.6020 at 10 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
Forni di Sopra UD 4 993 993
Forni di Sotto UD 6 600 1593
Sauris UD 11 416 2009
Lorenzago di Cadore BL 14 549 2558
Ampezzo UD 15 1006 3564
Vigo di Cadore BL 15 1440 5004
Lozzo di Cadore BL 16 1383 6387
Domegge di Cadore BL 16 2441 8828
Claut PN 16 956 9784
Socchieve UD 17 908 10692
Cimolais PN 17 397 11089
Tramonti di Sopra PN 17 321 11410
Pieve di Cadore BL 18 3794 15204
Calalzo di Cadore BL 18 2085 17289
Santo Stefano di Cadore BL 18 2609 19898
Perarolo di Cadore BL 19 380 20278
San Pietro di Cadore BL 19 1624 21902
Tramonti di Sotto PN 20 387 22289
Sappada BL 20 1317 23606
Danta di Cadore BL 20 463 24069

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km N of Pordenone (51229 inhabitants)
61 Km NW of Udine (99169 inhabitants)
86 Km NE of Treviso (83731 inhabitants)
96 Km E of Bolzano (106441 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 1.1 2020-10-29
12:45:35		 46.3977 12.6017 10 2020-10-29
12:51:46		 Sala Sismica INGV-Roma 84237681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-29 12:45:35 ± 0.09
Latitude 46.3977 ± 0.0063
Longitude 12.6017 ± 0.0078
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84237681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 753
Semi-minor axis of confidence ellipse (meter) 277
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 144
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.10072
Epicentral distance of station farthest from the epicenter (degree) 0.27609
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 84237681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-29 12:51:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.FUSE.HHZ. 2020-10-29T12:45:46.46 0.6 undecidable manual S 86 30.6471 50 0.11 50
IV.FVI.HHZ. 2020-10-29T12:45:44.73 0.3 undecidable manual S 32 25.9518 50 -0.37 72
OX.CLUD.HHZ. 2020-10-29T12:45:43.95 0.3 undecidable manual S 73 22.3554 114 -0.07 77
IV.STAL.HHZ. 2020-10-29T12:45:42.18 0.6 undecidable manual S 151 17.3715 120 -0.3 49
OX.FUSE.HHZ. 2020-10-29T12:45:41.80 0.3 undecidable manual P 86 30.6471 50 0.04 76
OX.MLN.HHE. 2020-10-29T12:45:41.27 0.3 undecidable manual P 178 27.5502 50 -0.02 77
OX.CIMO.HHZ. 2020-10-29T12:45:41.62 0.3 undecidable manual S 232 15.3735 123 -0.25 75
IV.FVI.HHZ. 2020-10-29T12:45:41.20 0.3 undecidable manual P 32 25.9518 50 0.16 75
OX.CLUD.HHZ. 2020-10-29T12:45:40.49 0.3 undecidable manual P 73 22.3554 114 0.07 77
NI.PURA.HHN. 2020-10-29T12:45:40.55 0.3 undecidable manual S 74 11.1777 132 -0.17 77
OX.CIMO.HHZ. 2020-10-29T12:45:39.40 0.3 undecidable manual P 232 15.3735 123 0.22 75
IV.STAL.HHZ. 2020-10-29T12:45:39.64 0.3 undecidable manual P 151 17.3715 120 0.11 77
NI.PURA.HHN. 2020-10-29T12:45:38.80 0.1 undecidable manual P 74 11.1777 132 0.28 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.CIMO.HHE. ML:0.8 0.00005705 0.32 AML other m 2020-10-29T12:45:41.95
OX.CIMO.HHN. ML:1.0 0.0000849 0.46 AML other m 2020-10-29T12:45:41.94
IV.STAL.HHN. ML:1.6 0.00034599999999999995 0.92 AML other m 2020-10-29T12:45:42.95
IV.STAL.HNN. ML:1.7 0.0004285 1.9 AML other m 2020-10-29T12:45:42.95
IV.STAL.HNE. ML:1.6 0.00029499999999999996 0.64 AML other m 2020-10-29T12:45:43.15
IV.STAL.HHE. ML:1.3 0.0001665 0.14 AML other m 2020-10-29T12:45:43.47
IV.FVI.HHE. ML:1.3 0.00011 0.2 AML other m 2020-10-29T12:45:44.86
IV.FVI.HHN. ML:1.0 0.00006155 0.22 AML other m 2020-10-29T12:45:45.25
OX.CLUD.HHN. ML:0.6 0.00002338642 0.2432 AML other m 2020-10-29T12:45:44.02
OX.CLUD.HHE. ML:0.6 0.000023370049999999998 0.2752 AML other m 2020-10-29T12:45:44.16
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