Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 26-01-2018 and time 08:11:53 (UTC) in region Confine Italia Slovenia (SLOVENIA)

A magnitude ML 1.3 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 26-01-2018 08:11:53 (UTC)
  • 26-01-2018 09:11:53 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.3170, 13.5600 at 7 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.

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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
Drenchia UD 16 115 115
Pulfero UD 17 962 1077
Savogna UD 18 411 1488
Taipana UD 18 636 2124
Grimacco UD 18 342 2466

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NE of Udine (99169 inhabitants)
76 Km N of Trieste (204420 inhabitants)
80 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 1.3 2018-01-26
08:11:53		 46.3168 13.5597 7 2019-04-24
14:49:50		 Bollettino Sismico Italiano INGV 66792581
Reviewed
Rev100 		ML 1.1 2018-01-26
08:11:53		 46.3177 13.5558 7 2018-01-26
08:18:17		 Sala Sismica INGV-Roma 53446951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-01-26 08:11:53 ± 0.16
Latitude 46.3168 ± 0.0054
Longitude 13.5597 ± 0.0104
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66792581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 587
Semi-minor axis of confidence ellipse (meter) 578
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.16817
Epicentral distance of station farthest from the epicenter (degree) 0.47035
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 66792581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-22 09:39:21

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 53446951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-01-26 08:18:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OX.ZOU2.HNE. 2018-01-26T08:12:10.98 0.3 undecidable manual S 301 52.2033 50 0.46 65
OX.MPRI.HHZ. 2018-01-26T08:12:08.10 0.6 undecidable manual S 259 44.622 50 -0.4 45
OX.SABO.HHZ. 2018-01-26T08:12:06.66 0.6 undecidable manual S 171 36.9297 100 0.46 45
RF.GEPF.HHZ. 2018-01-26T08:12:04.77 0.6 undecidable manual S 262 32.6451 102 0.06 49
OX.ZOU2.HNE. 2018-01-26T08:12:03.44 0.1 undecidable manual P 301 52.2033 50 0.26 91
OX.ACOM.HHZ. 2018-01-26T08:12:02.64 0.6 undecidable manual S 352 25.8519 105 0.2 48
NI.VINO.HHZ. 2018-01-26T08:12:01.63 0.3 undecidable manual S 252 22.8549 106 0.19 73
OX.MPRI.HHZ. 2018-01-26T08:12:01.39 0.3 undecidable manual P 259 44.622 50 -0.62 62
OX.SABO.HHZ. 2018-01-26T08:12:00.48 0.3 undecidable manual P 171 36.9297 100 -0.21 71
IV.PTCC.HHZ. 2018-01-26T08:11:59.77 0.6 undecidable manual S 303 18.6702 110 -0.28 48
RF.GEPF.HHZ. 2018-01-26T08:11:59.77 0.3 undecidable manual P 262 32.6451 102 -0.06 73
OX.ACOM.HHZ. 2018-01-26T08:11:58.35 0.3 undecidable manual P 352 25.8519 105 -0.17 73
NI.VINO.HHZ. 2018-01-26T08:11:58.00 0.1 undecidable manual P 252 22.8549 106 0.06 99
IV.PTCC.HHZ. 2018-01-26T08:11:57.07 0.1 undecidable manual P 303 18.6702 110 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PTCC.HHN. ML:0.9 0.00006835 0.22 AML other m 2018-01-26T08:12:00.34
IV.PTCC.HHE. ML:0.9 0.00007015 1.34 AML other m 2018-01-26T08:12:01.00
NI.VINO.HHE. ML:1.2 0.0001215 0.22 AML other m 2018-01-26T08:12:01.68
NI.VINO.HHN. ML:1.4 0.0001725 1.5 AML other m 2018-01-26T08:12:02.81
OX.ACOM.HHE. ML:1.3 0.00011599999999999999 0.16 AML other m 2018-01-26T08:12:03.74
OX.ACOM.HHN. ML:1.1 0.00007714999999999999 1.24 AML other m 2018-01-26T08:12:03.76
OX.SABO.HHE. ML:1.4 0.0000931 0.62 AML other m 2018-01-26T08:12:06.91
OX.SABO.HHN. ML:1.3 0.0000804 0.42 AML other m 2018-01-26T08:12:06.75
OX.SABO.HNN. ML:2.0 0.000398 0.44 AML other m 2018-01-26T08:12:06.75
OX.SABO.HNE. ML:2.0 0.00035749999999999996 0.98 AML other m 2018-01-26T08:12:07.92
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