Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 29-06-1985 and time 22:55:08 (Italy) in region Confine Italia Slovenia (SLOVENIA)

A magnitude Md 2.4 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 29-06-1985 20:55:08 (UTC)
  • 29-06-1985 22:55:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.9050, 13.6360 at 10 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
Gorizia GO 4 34844 34844
Savogna d'Isonzo GO 5 1717 36561
Mossa GO 8 1584 38145
San Lorenzo Isontino GO 9 1564 39709
Farra d'Isonzo GO 9 1733 41442
San Floriano del Collio GO 10 796 42238
Doberdò del Lago GO 10 1404 43642
Capriva del Friuli GO 10 1713 45355
Gradisca d'Isonzo GO 10 6497 51852
Moraro GO 11 768 52620
Sagrado GO 12 2193 54813
Fogliano Redipuglia GO 13 3054 57867
Monfalcone GO 13 28258 86125
Mariano del Friuli GO 14 1530 87655
Ronchi dei Legionari GO 14 11963 99618
Cormons GO 14 7414 107032
San Pier d'Isonzo GO 15 2029 109061
Staranzano GO 15 7183 116244
Romans d'Isonzo GO 15 3709 119953
Villesse GO 16 1720 121673
Medea GO 16 953 122626
Duino-Aurisina TS 17 8561 131187
Turriaco GO 17 2826 134013
Chiopris-Viscone UD 18 648 134661
San Canzian d'Isonzo GO 18 6195 140856
Corno di Rosazzo UD 18 3219 144075
Dolegna del Collio GO 19 370 144445
Campolongo Tapogliano UD 19 1167 145612
Ruda UD 20 2935 148547
San Giovanni al Natisone UD 20 6197 154744
Prepotto UD 20 769 155513

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Trieste (204420 inhabitants)
36 Km E of Udine (99169 inhabitants)
76 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 		Md 2.4 1985-06-29
20:55:08		 45.905 13.636 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 9379
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-06-29 20:55:08 ± 0.146
Latitude 45.9050 ± 0.0092
Longitude 13.6360 ± 0.0190
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 9379

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 1791.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00186
Epicentral distance of station farthest from the epicenter (degree) 0.00809
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 9379
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:13:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FO1.Z. 1985-06-29T20:55:38.50 10.0 undecidable manual SG 319 0.8991 -1.05 0
--.CAE.Z. 1985-06-29T20:55:37.20 10.0 undecidable manual SG 277 0.8325 -0.16 0.6
--.ZOU.Z. 1985-06-29T20:55:36.50 10.0 undecidable manual SG 325 0.7881 0.51 0.3
--.RBL.Z. 1985-06-29T20:55:27.50 10.0 undecidable manual SG 355 0.5328 -0.2 0.8
--.FO1.Z. 1985-06-29T20:55:26.50 10.0 undecidable manual PG 319 0.8991 0.06 1.4
--.BUA.Z. 1985-06-29T20:55:26.10 10.0 undecidable manual SG 311 0.4662 0.46 0.4
--.CAE.Z. 1985-06-29T20:55:25.20 10.0 undecidable manual PG 277 0.8325 0.03 1.5
--.ZOU.Z. 1985-06-29T20:55:24.10 10.0 undecidable manual PG 325 0.7881 -0.28 1.4
--.BAD.Z. 1985-06-29T20:55:24.60 10.0 undecidable manual SG 320 0.4218 0.4 0.4
--.BOO.Z. 1985-06-29T20:55:19.70 10.0 undecidable manual PG 318 0.5439 -0.23 1.8
--.DRE.Z. 1985-06-29T20:55:19.80 10.0 undecidable manual SG 1 0.2553 0.74 0.1
--.RBL.Z. 1985-06-29T20:55:18.50 10.0 undecidable manual PG 355 0.5328 -1.09 0.1
--.BUA.Z. 1985-06-29T20:55:18.60 10.0 undecidable manual PG 311 0.4662 0.2 1.6
--.BAD.Z. 1985-06-29T20:55:17.50 10.0 undecidable manual PG 320 0.4218 -0.07 1.9
--.TRI.Z. 1985-06-29T20:55:17.30 10.0 undecidable manual SG 155 0.2109 -0.04 1.2
--.DRE.Z. 1985-06-29T20:55:14.80 10.0 undecidable manual PG 1 0.2553 0.2 1.5
--.TRI.Z. 1985-06-29T20:55:13.70 10.0 undecidable manual PG 155 0.2109 0.09 1.8
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