Earthquake with magnitude of ML 1.7 on date 16-08-2021 and time 16:17:16 (Italy) in region Confine Italia Slovenia (SLOVENIA)

A magnitude ML 1.7 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 16-08-2021 14:17:16 (UTC)
  • 16-08-2021 16:17:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2790, 13.8000 at 5 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Drenchia UD 18 115 115

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km E of Udine (99169 inhabitants)
70 Km N of Trieste (204420 inhabitants)
95 Km E of Pordenone (51229 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 1.7 2021-08-16
14:17:16
46.2793 13.8005 5 2021-12-29
11:12:21
Bollettino Sismico Italiano INGV 94421611
Reviewed
Rev100
ML 1.7 2021-08-16
14:17:16
46.2817 13.801 4 2021-08-16
14:26:49
Sala Sismica INGV-Roma 94258051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-08-16 14:17:16 ± 0.17
Latitude 46.2793 ± 0.0072
Longitude 13.8005 ± 0.0091
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 94421611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 796
Semi-minor axis of confidence ellipse (meter) 498
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
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 54
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.27254
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 94258051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-08-16 14:26:49

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 27
Type of magnitude ML
Reference to an origin 94421611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-12-17 20:43:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VARE.HHZ. 2021-08-16T14:19:05.32 3.0 undecidable manual Sn 4.43 0
IV.CSNT.HHZ. 2021-08-16T14:18:58.80 3.0 undecidable manual Sg 5 0
IV.MSSA.HHZ. 2021-08-16T14:18:57.81 3.0 undecidable manual Sn -4.18 0
GU.GRAM.HHZ. 2021-08-16T14:18:47.22 3.0 undecidable manual Sn -4.41 0
IV.FDMO.HHZ. 2021-08-16T14:18:47.19 3.0 undecidable manual Sn -3.94 0
IV.PTRJ.HNZ. 2021-08-16T14:18:42.03 3.0 undecidable manual Pg 9.86 0
IV.MTMR.EHZ. 2021-08-16T14:18:39.05 3.0 undecidable manual Pn 0.31 0
IV.MRGE.HHZ. 2021-08-16T14:18:35.32 3.0 undecidable manual Pn 3.35 0
IV.ZEN8.EHZ. 2021-08-16T14:18:34.20 3.0 undecidable manual Sg 5.1 0
IV.CIGN.HHZ. 2021-08-16T14:18:33.35 3.0 undecidable manual Pg 4.74 0
IV.VARE.HHZ. 2021-08-16T14:18:29.92 3.0 undecidable manual Pg 14.42 0
IV.IMOL.HNZ. 2021-08-16T14:18:28.01 3.0 undecidable manual Sn -3.67 0
ST.RONC.EHZ. 2021-08-16T14:18:26.36 3.0 undecidable manual Sn -2.83 0
IV.CELB.HHZ. 2021-08-16T14:18:25.79 3.0 positive manual Pn -0.16 0
GU.RNCA.HHZ. 2021-08-16T14:18:24.92 3.0 undecidable manual Pn 5.07 0
IV.RIBO.EHZ.01 2021-08-16T14:18:15.93 3.0 undecidable manual Pn -2.96 0
IV.CADC.EHZ. 2021-08-16T14:18:12.96 3.0 negative manual Pg 9.02 0
IV.MOCL.EHZ. 2021-08-16T14:18:10.41 3.0 undecidable manual Pg 4.02 0
IV.MMUR.HNZ. 2021-08-16T14:18:02.35 3.0 undecidable manual Pn -2.45 0
CH.BERNI.HHZ. 2021-08-16T14:18:01.56 3.0 negative manual Pn -1.55 0
IV.APEC.HHZ. 2021-08-16T14:17:58.58 3.0 undecidable manual Pn -6.53 0
IV.BRSN.HNZ. 2021-08-16T14:17:55.59 3.0 negative manual Pn -2.32 0
IV.CTI.HHZ. 2021-08-16T14:17:46.47 3.0 undecidable manual Pg -1.36 0
SL.BOJS.BHZ. 2021-08-16T14:17:41.03 0.3 undecidable manual P 127 141.2475 50 0.87 48
OX.CLUD.HHZ. 2021-08-16T14:17:40.03 0.6 undecidable manual S 286 73.0713 50 0.52 42
NI.DST2.HNZ. 2021-08-16T14:17:38.30 0.6 undecidable manual S 180 68.7756 50 -0.08 47
OX.MPRI.HHZ. 2021-08-16T14:17:37.54 0.6 undecidable manual S 266 62.493 50 0.85 38
OX.FUSE.HHZ. 2021-08-16T14:17:37.51 0.6 undecidable manual S 284 62.9925 50 0.68 40
MN.TRI.HHZ. 2021-08-16T14:17:36.63 0.3 undecidable manual S 183 63.2922 50 -0.28 68
SL.LJU.BHZ. 2021-08-16T14:17:36.40 0.3 undecidable manual S 115 61.6938 50 -0.07 71
OX.CAE.HHZ. 2021-08-16T14:17:35.95 0.3 undecidable manual P 255 108.9132 50 0.76 53
OX.PLRO.HHZ. 2021-08-16T14:17:35.86 0.6 undecidable manual S 301 58.1973 50 0.32 45
RF.GEPF.HHZ. 2021-08-16T14:17:33.51 0.6 undecidable manual S 270 50.7159 50 -0.04 49
OX.MLN.HHZ. 2021-08-16T14:17:32.73 0.3 undecidable manual P 261 92.1411 50 0.14 66
OX.BAD.HHZ. 2021-08-16T14:17:30.88 0.6 undecidable manual S 263 43.0236 97 -0.34 46
IV.STAL.HHZ. 2021-08-16T14:17:30.80 0.3 undecidable manual P 269 83.6496 50 -0.48 63
NI.VINO.HHZ. 2021-08-16T14:17:30.03 0.6 undecidable manual S 266 40.3263 97 -0.28 47
OX.CLUD.HHZ. 2021-08-16T14:17:29.57 0.3 undecidable manual P 286 73.0713 50 -0.09 69
OX.SABO.HHZ. 2021-08-16T14:17:28.90 0.6 undecidable manual S 202 34.8429 98 0.49 46
SL.LJU.BHZ. 2021-08-16T14:17:28.18 0.1 undecidable manual P 115 61.6938 50 0.28 91
NI.DST2.HNZ. 2021-08-16T14:17:28.43 0.3 undecidable manual P 180 68.7756 50 -0.57 62
IV.PTCC.HHZ. 2021-08-16T14:17:28.98 0.6 undecidable manual S 293 37.0296 98 -0.19 48
OX.MPRI.HHZ. 2021-08-16T14:17:27.88 0.1 undecidable manual P 266 62.493 50 -0.15 93
OX.FUSE.HHZ. 2021-08-16T14:17:27.66 0.3 undecidable manual P 284 62.9925 50 -0.45 66
OX.PLRO.HHZ. 2021-08-16T14:17:27.35 0.3 undecidable manual P 301 58.1973 50 -0.01 73
MN.TRI.HHZ. 2021-08-16T14:17:27.51 0.1 undecidable manual P 183 63.2922 50 -0.65 82
RF.GEPF.HHZ. 2021-08-16T14:17:25.84 0.3 undecidable manual P 270 50.7159 50 -0.38 68
OX.BAD.HHZ. 2021-08-16T14:17:24.58 0.1 undecidable manual P 263 43.0236 97 -0.29 94
NI.VINO.HHZ. 2021-08-16T14:17:24.06 0.1 undecidable manual P 266 40.3263 97 -0.29 94
IV.PTCC.HHZ. 2021-08-16T14:17:23.50 0.1 undecidable manual P 293 37.0296 98 -0.19 97
OX.SABO.HHZ. 2021-08-16T14:17:23.19 0.1 undecidable manual P 202 34.8429 98 -0.06 100
OX.DRE.HNZ. 2021-08-16T14:17:22.81 0.6 undecidable manual S 225 16.7721 107 0.54 46
OX.PRED.HNZ. 2021-08-16T14:17:21.69 0.1 undecidable manual P 315 25.5522 101 0.27 97
OX.DRE.HNZ. 2021-08-16T14:17:20.36 0.1 undecidable manual P 225 16.7721 107 0.66 88
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
OX.SABO.HHE. ML:1.8 0.0002785 0.34 AML other m 2021-08-16T14:17:29.15
OX.SABO.HNE. ML:2.4 0.001175 0.28 AML other m 2021-08-16T14:17:29.17
IV.PTCC.HHE. ML:1.6 0.0001515 0.54 AML other m 2021-08-16T14:17:29.82
OX.SABO.HHN. ML:1.9 0.000335 0.48 AML other m 2021-08-16T14:17:30.06
OX.SABO.HNN. ML:2.4 0.0012145 0.48 AML other m 2021-08-16T14:17:30.06
IV.PTCC.HHN. ML:1.7 0.000185 0.3 AML other m 2021-08-16T14:17:30.23
NI.VINO.HHN. ML:1.6 0.0001465 1.34 AML other m 2021-08-16T14:17:30.20
NI.VINO.HHE. ML:1.6 0.000142 0.86 AML other m 2021-08-16T14:17:31.22
SL.LJU.BHE. ML:2.4 0.0005420000000000001 0.4 AML other m 2021-08-16T14:17:37.00
OX.PLRO.HHN. ML:2.2 0.000307 1.48 AML other m 2021-08-16T14:17:37.89
MN.TRI.HHE. ML:1.7 0.00010449999999999999 0.48 AML other m 2021-08-16T14:17:37.20
MN.TRI.HHN. ML:1.5 0.000059999999999999995 0.9 AML other m 2021-08-16T14:17:37.19
OX.PLRO.HHE. ML:1.8 0.000145 0.28 AML other m 2021-08-16T14:17:37.94
SL.LJU.BHN. ML:2.7 0.000999 1.5 AML other m 2021-08-16T14:17:38.95
OX.MPRI.HHN. ML:1.9 0.000154 0.6 AML other m 2021-08-16T14:17:39.50
OX.MPRI.HHE. ML:1.8 0.00011609999999999999 1.7 AML other m 2021-08-16T14:17:39.12
OX.CLUD.HHN. ML:1.4 0.000040300000000000004 0.4 AML other m 2021-08-16T14:17:40.54
OX.CLUD.HNE. ML:1.5 0.000050445335 0.4992 AML other m 2021-08-16T14:17:41.94
OX.CLUD.HHE. ML:1.4 0.0000427 1.08 AML other m 2021-08-16T14:17:42.93
IV.STAL.HHN. ML:1.6 0.0000528 0.58 AML other m 2021-08-16T14:17:44.51
IV.STAL.HHE. ML:1.7 0.00007235 0.18 AML other m 2021-08-16T14:17:45.36
OX.MLN.HHN. ML:1.4 0.000025888164999999998 1.6224 AML other m 2021-08-16T14:17:51.13
OX.MLN.HHE. ML:1.2 0.000019787925000000002 0.3392 AML other m 2021-08-16T14:17:51.66
OX.CAE.HHN. ML:1.5 0.0000324 1.16 AML other m 2021-08-16T14:17:55.62
OX.CAE.HHE. ML:1.7 0.000044149999999999996 0.84 AML other m 2021-08-16T14:17:56.43
SL.BOJS.BHN. ML:1.8 0.000039896145 0.4032 AML other m 2021-08-16T14:18:05.38
SL.BOJS.BHE. ML:1.8 0.00003572492 0.8 AML other m 2021-08-16T14:18:09.93
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