Earthquake with magnitude of ML 1.1 on date 18-09-2021 and time 16:05:01 (Italy) in region 4 km S Resiutta (UD)

A magnitude ML 1.1 earthquake occured in region: 4 km S Resiutta (UD), on

  • 18-09-2021 14:05:01 (UTC)
  • 18-09-2021 16:05:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.354, 13.214 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Resiutta UD 5 309 309
Venzone UD 6 2117 2426
Moggio Udinese UD 6 1714 4140
Resia UD 8 1033 5173
Bordano UD 9 754 5927
Amaro UD 9 823 6750
Chiusaforte UD 10 672 7422
Gemona del Friuli UD 10 10964 18386
Lusevera UD 11 643 19029
Montenars UD 11 538 19567
Dogna UD 13 175 19742
Artegna UD 13 2885 22627
Trasaghis UD 13 2227 24854
Cavazzo Carnico UD 13 1052 25906
Magnano in Riviera UD 14 2336 28242
Osoppo UD 15 2936 31178
Taipana UD 15 636 31814
Tarcento UD 15 9012 40826
Tolmezzo UD 16 10440 51266
Verzegnis UD 17 863 52129
Buja UD 17 6563 58692
Nimis UD 18 2740 61432
Pontebba UD 18 1433 62865
Treppo Grande UD 19 1708 64573
Zuglio UD 19 595 65168
Arta Terme UD 20 2171 67339
Attimis UD 20 1805 69144
Cassacco UD 20 2938 72082

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km N of Udine (99169 inhabitants)
62 Km NE of Pordenone (51229 inhabitants)
89 Km NW of Trieste (204420 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web 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 1.1 2021-09-18
14:05:01
46.3543 13.214 10 2021-09-18
14:20:00
Sala Sismica INGV-Roma 95590361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-18 14:05:01 ± 0.06
Latitude 46.3543 ± 0.0036
Longitude 13.2140 ± 0.0039
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 95590361

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 349
Semi-minor axis of confidence ellipse (meter) 302
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 312
Circular confidence region, given by single value of horizontal uncertainty (meter) 350
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 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.08723
Epicentral distance of station farthest from the epicenter (degree) 0.46765
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 95590361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-18 14:20:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
OX.SABO.HHZ. 2021-09-18T14:05:19.06 0.3 undecidable manual S 141 0.4676 50 0.96 53
IV.FVI.HHZ. 2021-09-18T14:05:15.46 0.3 undecidable manual S 309 0.384 50 -0.17 70
OX.ACOM.HHE. 2021-09-18T14:05:12.67 0.3 undecidable manual S 47 0.2833 50 0.05 73
OX.PRED.HHE. 2021-09-18T14:05:11.46 0.3 undecidable manual S 70 0.2572 50 -0.41 68
OX.SABO.HHZ. 2021-09-18T14:05:10.86 0.3 undecidable manual P 141 0.4676 50 -0.21 68
NI.PALA.HHZ. 2021-09-18T14:05:10.56 0.3 undecidable manual S 241 0.2284 111 -0.31 70
OX.MPRI.HHZ. 2021-09-18T14:05:09.44 0.3 undecidable manual S 234 0.1934 114 -0.18 72
IV.FVI.HHZ. 2021-09-18T14:05:09.60 0.3 undecidable manual P 309 0.384 50 -0.04 72
OX.PLRO.HHZ. 2021-09-18T14:05:09.85 0.3 undecidable manual S 347 0.1996 113 0 75
OX.FUSE.HHZ. 2021-09-18T14:05:08.99 0.3 undecidable manual S 292 0.1583 119 0.56 66
OX.PRED.HHE. 2021-09-18T14:05:07.32 0.1 undecidable manual P 70 0.2572 50 -0.15 96
OX.BAD.HHE. 2021-09-18T14:05:07.01 0.3 undecidable manual S 170 0.1223 125 -0.22 73
OX.ACOM.HHE. 2021-09-18T14:05:07.94 0.3 undecidable manual P 47 0.2833 50 0.03 73
OX.BOO.HHE. 2021-09-18T14:05:06.04 0.3 undecidable manual S 246 0.0872 135 -0.16 74
NI.PALA.HHZ. 2021-09-18T14:05:06.79 0.3 undecidable manual P 241 0.2284 111 -0.1 73
RF.GEPF.HHZ. 2021-09-18T14:05:06.34 0.3 undecidable manual S 213 0.0944 132 -0.08 75
IV.PTCC.HHZ. 2021-09-18T14:05:06.79 0.3 undecidable manual S 61 0.1106 128 -0.08 75
OX.MPRI.HHZ. 2021-09-18T14:05:06.16 0.3 undecidable manual P 234 0.1934 114 -0.01 75
NI.VINO.HHZ. 2021-09-18T14:05:06.74 0.1 undecidable manual S 157 0.1088 129 -0.1 100
OX.PLRO.HHZ. 2021-09-18T14:05:06.23 0.3 undecidable manual P 347 0.1996 113 -0.08 74
OX.FUSE.HHZ. 2021-09-18T14:05:05.63 0.3 undecidable manual P 292 0.1583 119 0.15 73
NI.VINO.HHZ. 2021-09-18T14:05:04.67 0.1 undecidable manual P 157 0.1088 129 0.11 99
OX.BAD.HHE. 2021-09-18T14:05:04.86 0.1 undecidable manual P 170 0.1223 125 0.06 100
OX.BOO.HHE. 2021-09-18T14:05:04.30 0.1 undecidable manual P 246 0.0872 135 0.1 100
RF.GEPF.HHZ. 2021-09-18T14:05:04.68 0.3 undecidable manual P 213 0.0944 132 0.36 71
IV.PTCC.HHZ. 2021-09-18T14:05:04.72 0.1 undecidable manual P 61 0.1106 128 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
RF.GEPF.HHN. ML:1.2 0.0001895 0.2 AML other m 2021-09-18T14:05:06.84
NI.VINO.HHN. ML:1.2 0.00017609245 0.0768 AML other m 2021-09-18T14:05:06.94
NI.VINO.HHE. ML:1.1 0.00015703734 0.0768 AML other m 2021-09-18T14:05:06.87
IV.PTCC.HHE. ML:1.1 0.00013591399 0.1216 AML other m 2021-09-18T14:05:06.88
RF.GEPF.HHE. ML:0.8 8.2788325E-5 0.16 AML other m 2021-09-18T14:05:06.52
IV.PTCC.HHN. ML:1.1 0.000153 0.1 AML other m 2021-09-18T14:05:07.20
OX.MPRI.HHN. ML:1.1 8.2784255E-5 0.32 AML other m 2021-09-18T14:05:10.20
OX.PLRO.HHE. ML:1.2 0.0001095 0.1 AML other m 2021-09-18T14:05:10.46
OX.MPRI.HHE. ML:1 7.169954E-5 0.4032 AML other m 2021-09-18T14:05:10.23
OX.PLRO.HHN. ML:1.2 0.0001114 0.18 AML other m 2021-09-18T14:05:11.16
NI.PALA.HHN. ML:1 5.968596E-5 0.2368 AML other m 2021-09-18T14:05:11.54
NI.PALA.HHE. ML:1 6.147502E-5 0.1792 AML other m 2021-09-18T14:05:13.04
IV.FVI.HHN. ML:0.9 2.62E-5 0.5 AML other m 2021-09-18T14:05:15.81
IV.FVI.HHE. ML:1.2 5.06E-5 1.24 AML other m 2021-09-18T14:05:16.68
OX.SABO.HNE. ML:2.1 0.00028349315 0.3008 AML other m 2021-09-18T14:05:20.36
OX.SABO.HHE. ML:1.3 5.5525805E-5 0.3008 AML other m 2021-09-18T14:05:20.36
OX.SABO.HHN. ML:1.5 8.2216505E-5 0.5376 AML other m 2021-09-18T14:05:20.80
OX.SABO.HNN. ML:2.1 0.0002992374 0.544 AML other m 2021-09-18T14:05:20.81
OX.MPRI.HNE. ML:0.9 5.906953E-5 0.3776 AML other m 2021-09-18T14:05:10.82
OX.MPRI.HNN. ML:1 6.9677035E-5 0.2368 AML other m 2021-09-18T14:05:10.31
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