Earthquake with magnitude of ML 1.6 on date 24-10-2020 and time 01:49:22 (Italy) in region 3 km NW Amaro (UD)

A magnitude ML 1.6 earthquake occured in region: 3 km NW Amaro (UD), on

  • 23-10-2020 23:49:22 (UTC)
  • 24-10-2020 01:49:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.39, 13.07 at 13 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Amaro UD 3 823 823
Cavazzo Carnico UD 3 1052 1875
Tolmezzo UD 5 10440 12315
Verzegnis UD 6 863 13178
Venzone UD 8 2117 15295
Bordano UD 8 754 16049
Zuglio UD 9 595 16644
Moggio Udinese UD 10 1714 18358
Arta Terme UD 10 2171 20529
Lauco UD 11 729 21258
Villa Santina UD 12 2233 23491
Trasaghis UD 12 2227 25718
Resiutta UD 12 309 26027
Gemona del Friuli UD 13 10964 36991
Osoppo UD 15 2936 39927
Enemonzo UD 15 1319 41246
Sutrio UD 15 1332 42578
Preone UD 15 246 42824
Raveo UD 16 458 43282
Paluzza UD 16 2217 45499
Paularo UD 16 2623 48122
Treppo Carnico UD 17 618 48740
Cercivento UD 17 679 49419
Montenars UD 17 538 49957
Ligosullo UD 17 116 50073
Artegna UD 18 2885 52958
Resia UD 18 1033 53991
Chiusaforte UD 19 672 54663
Socchieve UD 19 908 55571
Ovaro UD 19 1922 57493
Vito d'Asio PN 19 769 58262
Ravascletto UD 19 536 58798
Magnano in Riviera UD 19 2336 61134
Forgaria nel Friuli UD 20 1786 62920

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of Udine (99169 inhabitants)
57 Km NE of Pordenone (51229 inhabitants)
98 Km NW of Trieste (204420 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.6 2020-10-23
23:49:22
46.39 13.07 13 2020-10-24
01:24:24
Sala Sismica INGV-Roma 84073411
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-23 23:49:22 ± 0.08
Latitude 46.39 ± 0.00
Longitude 13.07 ± 0.01
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84073411

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 423
Semi-minor axis of confidence ellipse (meter) 262
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 420
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.28778
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 84073411
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-24 01:24:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
ST.VARA.EHZ. 2020-10-23T23:50:15.41 3.0 undecidable manual Sn 3.93 0
SL.LJU.BHZ. 2020-10-23T23:49:58.42 3.0 undecidable manual S 0.02 0
OX.SABO.HHZ. 2020-10-23T23:49:43.05 3.0 undecidable manual S 0.25 0
MN.TRI.HHZ. 2020-10-23T23:49:40.42 3.0 negative manual P 1.59 0
OX.VARN.HHZ. 2020-10-23T23:49:39.61 3.0 positive manual P 1.93 0
OX.SABO.HHZ. 2020-10-23T23:49:33.34 3.0 positive manual P -0.44 0
OX.DRE.HHZ. 2020-10-23T23:49:31.06 3.0 undecidable manual P -0.76 0
OX.ACOM.HHZ. 2020-10-23T23:49:29.87 3.0 positive manual P 0.03 0
OX.PLRO.HHE. 2020-10-23T23:49:29.65 0.3 undecidable manual S 19 0.1709 103 -0.12 73
IV.FVI.HHZ. 2020-10-23T23:49:28.61 0.3 undecidable manual P 317 0.2878 94 0.04 72
RF.GEPF.HHZ. 2020-10-23T23:49:28.20 0.3 undecidable manual S 157 0.1223 116 -0.21 72
IV.STAL.HHZ. 2020-10-23T23:49:28.23 0.1 undecidable manual P 243 0.2779 95 -0.17 94
OX.CLUD.HHZ. 2020-10-23T23:49:28.90 0.3 undecidable manual S 298 0.1466 108 -0.18 71
OX.BOO.HHE. 2020-10-23T23:49:27.16 0.3 undecidable manual S 163 0.071 138 -0.04 75
NI.VINO.HHZ. 2020-10-23T23:49:26.80 1.0 positive manual P 133 0.1952 99 -0.19 24
OX.PLRO.HHE. 2020-10-23T23:49:26.59 0.1 undecidable manual P 19 0.1709 103 0.02 98
OX.CLUD.HHZ. 2020-10-23T23:49:26.30 0.1 negative manual P 298 0.1466 108 0.12 97
OX.FUSE.HHZ. 2020-10-23T23:49:26.90 0.3 undecidable manual S 300 0.054 147 0.01 75
OX.MPRI.HHZ. 2020-10-23T23:49:26.50 0.3 positive manual P 201 0.1565 106 0.16 72
OX.BOO.HHE. 2020-10-23T23:49:25.25 0.1 undecidable manual P 163 0.071 138 0.16 98
RF.GEPF.HHZ. 2020-10-23T23:49:25.78 0.1 positive manual P 157 0.1223 116 -0.01 100
OX.FUSE.HHZ. 2020-10-23T23:49:25.12 0.1 negative manual P 300 0.054 147 0.2 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
RF.GEPF.HHN. ML:1.6 0.000392 0.4 AML other m 2020-10-23T23:49:28.70
OX.CLUD.HHE. ML:1.3 0.0001775 0.72 AML other m 2020-10-23T23:49:29.45
OX.CLUD.HNE. ML:1.3 0.000174 0.72 AML other m 2020-10-23T23:49:29.45
OX.MPRI.HNE. ML:1.6 0.000293 0.56 AML other m 2020-10-23T23:49:29.92
OX.MPRI.HHE. ML:1.7 0.000355 0.58 AML other m 2020-10-23T23:49:29.93
OX.CLUD.HHN. ML:1.2 0.0001295 0.26 AML other m 2020-10-23T23:49:30.22
OX.CLUD.HNN. ML:1.2 0.0001265 0.26 AML other m 2020-10-23T23:49:30.35
OX.MPRI.HHN. ML:1.7 0.000415 0.24 AML other m 2020-10-23T23:49:30.69
OX.MPRI.HNN. ML:1.6 0.0003345 0.24 AML other m 2020-10-23T23:49:30.69
RF.GEPF.HHE. ML:1.2 0.0001645 0.96 AML other m 2020-10-23T23:49:30.94
NI.VINO.HHE. ML:1.4 0.000155 0.94 AML other m 2020-10-23T23:49:31.40
NI.VINO.HHN. ML:1.3 0.0001355 0.36 AML other m 2020-10-23T23:49:31.79
IV.FVI.HHN. ML:2.2 0.0007115 0.18 AML other m 2020-10-23T23:49:33.28
IV.FVI.HHE. ML:2 0.000482 0.16 AML other m 2020-10-23T23:49:33.91
IV.STAL.HHN. ML:1.2 7.965E-5 0.76 AML other m 2020-10-23T23:49:34.53
OX.ACOM.HHN. ML:1.9 0.0002605 0.18 AML other m 2020-10-23T23:49:35.62
OX.ACOM.HNN. ML:1.9 0.00027 0.18 AML other m 2020-10-23T23:49:35.62
OX.ACOM.HHE. ML:1.9 0.000287 1.84 AML other m 2020-10-23T23:49:36.96
OX.ACOM.HNE. ML:1.9 0.000299 1.84 AML other m 2020-10-23T23:49:36.96
IV.STAL.HHE. ML:1.2 6.7E-5 0.98 AML other m 2020-10-23T23:49:36.98
OX.SABO.HHN. ML:1.7 9.06E-5 0.2 AML other m 2020-10-23T23:49:44.13
OX.SABO.HNN. ML:2.2 0.000315 0.18 AML other m 2020-10-23T23:49:44.04
OX.SABO.HHE. ML:1.7 9.87E-5 1.12 AML other m 2020-10-23T23:49:44.17
OX.SABO.HNE. ML:2.3 0.0004 1.12 AML other m 2020-10-23T23:49:44.17
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download