Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 27-08-2018 and time 04:26:25 (UTC) in region Confine Italia Slovenia (SLOVENIA)

A magnitude ML 1.0 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 27-08-2018 04:26:25 (UTC)
  • 27-08-2018 06:26:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.2980, 13.5300 at 8 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
Pulfero UD 14 962 962
Taipana UD 15 636 1598
Drenchia UD 15 115 1713
Savogna UD 15 411 2124
Grimacco UD 16 342 2466
San Pietro al Natisone UD 19 2171 4637
Resia UD 19 1033 5670
Stregna UD 19 356 6026
San Leonardo UD 20 1129 7155
Torreano UD 20 2139 9294

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km NE of Udine (99169 inhabitants)
74 Km N of Trieste (204420 inhabitants)
77 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
Reviewed
Rev100 		ML 1.0 2018-08-27
04:26:25		 46.2977 13.5303 8 2018-08-27
04:33:11		 Sala Sismica INGV-Roma 60250061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-08-27 04:26:25 ± 0.11
Latitude 46.2977 ± 0.0036
Longitude 13.5303 ± 0.0065
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 60250061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 507
Semi-minor axis of confidence ellipse (meter) 389
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 170
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.47484
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 60250061
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-08-27 04:33:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FERS.HNZ. 2018-08-27T04:27:24.13 3.0 undecidable manual Sn -0.22 0
IV.BRES.EHZ. 2018-08-27T04:27:09.21 3.0 undecidable manual S 0.81 0
OX.CLUD.HNE. 2018-08-27T04:26:42.55 0.6 undecidable manual S 290 52.7028 50 -0.4 46
OX.ZOU2.HHZ. 2018-08-27T04:26:42.57 0.3 undecidable manual S 304 51.5151 50 -0.05 74
NI.PALA.HHZ. 2018-08-27T04:26:41.47 0.3 undecidable manual S 263 46.8198 50 0.09 74
OX.MPRI.HNE. 2018-08-27T04:26:40.58 0.6 undecidable manual S 262 42.1245 50 0.47 46
OX.SABO.HHZ. 2018-08-27T04:26:38.41 0.6 undecidable manual S 167 35.3424 50 0.11 50
RF.GEPF.HHZ. 2018-08-27T04:26:36.33 0.6 undecidable manual S 265 30.1476 105 -0.25 49
OX.ZOU2.HHZ. 2018-08-27T04:26:35.66 0.1 undecidable manual P 304 51.5151 50 0.17 96
OX.ACOM.HHZ. 2018-08-27T04:26:35.85 0.6 undecidable manual S 357 27.75 106 0.06 51
OX.CLUD.HNE. 2018-08-27T04:26:35.28 0.6 undecidable manual P 290 52.7028 50 -0.4 46
OX.MPRI.HNE. 2018-08-27T04:26:34.08 0.6 undecidable manual P 262 42.1245 50 0.04 50
NI.PALA.HHZ. 2018-08-27T04:26:34.77 0.1 undecidable manual P 263 46.8198 50 -0.01 100
NI.VINO.HHZ. 2018-08-27T04:26:33.47 0.6 undecidable manual S 256 20.1687 112 0.19 51
IV.PTCC.HHZ. 2018-08-27T04:26:32.73 0.6 undecidable manual S 312 18.1707 114 0.08 52
OX.SABO.HHZ. 2018-08-27T04:26:32.77 0.6 positive manual P 167 35.3424 50 -0.23 49
OX.ACOM.HHZ. 2018-08-27T04:26:31.67 1.0 positive manual P 357 27.75 106 0.12 25
RF.GEPF.HHZ. 2018-08-27T04:26:31.73 0.6 undecidable manual P 265 30.1476 105 -0.27 49
NI.VINO.HHZ. 2018-08-27T04:26:30.15 0.6 positive manual P 256 20.1687 112 0.05 52
IV.PTCC.HHZ. 2018-08-27T04:26:29.89 1.0 negative manual P 312 18.1707 114 0.15 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTCC.HHE. ML:0.7 0.00004145 1.08 AML other m 2018-08-27T04:26:32.26
IV.PTCC.HHN. ML:0.8 0.00005449999999999999 0.66 AML other m 2018-08-27T04:26:33.89
RF.GEPF.HHE. ML:1.1 0.00006315 0.34 AML other m 2018-08-27T04:26:36.74
OX.ACOM.HHE. ML:1.3 0.00009775 1.02 AML other m 2018-08-27T04:26:36.74
OX.ACOM.HHN. ML:1.0 0.00005085 0.54 AML other m 2018-08-27T04:26:37.46
RF.GEPF.HHN. ML:1.2 0.0000736 0.2 AML other m 2018-08-27T04:26:38.03
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