Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 01-02-1985 and time 20:29:39 (Italy) in region Slovenia (SLOVENIA)

A magnitude Md 2.5 earthquake occured in region: Slovenia (SLOVENIA), on

  • 01-02-1985 19:29:39 (UTC)
  • 01-02-1985 20:29:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.1680, 14.0660 at 2 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
62 Km NE of Trieste (204420 inhabitants)
65 Km E of Udine (99169 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 2.5
M 2.3 		1985-02-01
19:29:39		 46.168 14.066 2 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-01 19:29:39 ± 0.21
Latitude 46.1680 ± 0.0137
Longitude 14.0660 ± 0.0124
Depth (km) 2 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 919

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) 1791.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 162
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.01020
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:07

M:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 919
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:50:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FO1.Z. 1985-02-01T19:30:16.00 10.0 undecidable manual SG 295 0.9768 1.61 0
--.MPR.Z. 1985-02-01T19:30:07.80 10.0 undecidable manual SG 275 0.7437 0.91 0.4
--.BUA.Z. 1985-02-01T19:30:03.90 10.0 undecidable manual SG 274 0.6438 0.06 0.7
--.BOO.Z. 1985-02-01T19:30:03.90 10.0 undecidable manual SG 283 0.6882 -0.92 0.3
--.CAE.Z. 1985-02-01T19:30:02.90 10.0 undecidable manual PN 262 1.1322 0.52 0.9
--.RCL.Z. 1985-02-01T19:30:01.00 10.0 undecidable manual PG 269 0.9657 1.46 0.1
--.BAD.Z. 1985-02-01T19:30:00.80 10.0 undecidable manual SG 277 0.5661 -0.44 0.9
--.FO1.Z. 1985-02-01T19:30:00.00 10.0 undecidable manual PG 295 0.9768 0.36 1.2
--.CEY.Z. 1985-02-01T19:29:58.10 10.0 undecidable manual SG 149 0.4995 -0.54 0.5
--.TRI.Z. 1985-02-01T19:29:58.00 10.0 undecidable manual SG 204 0.4995 -0.94 0.3
--.COL.Z. 1985-02-01T19:29:58.00 10.0 undecidable manual SG 265 0.4773 0.12 1.1
--.RBL.Z. 1985-02-01T19:29:56.00 10.0 undecidable manual SG 308 0.4329 -0.42 0.6
--.ZOU.Z. 1985-02-01T19:29:56.70 10.0 undecidable manual PG 297 0.8436 -0.43 1.2
--.MPR.Z. 1985-02-01T19:29:55.00 10.0 undecidable manual PG 275 0.7437 -0.3 1.5
--.BOO.Z. 1985-02-01T19:29:53.00 10.0 undecidable manual PG 283 0.6882 -1.11 0.5
--.BUA.Z. 1985-02-01T19:29:53.00 10.0 undecidable manual PG 274 0.6438 -0.54 1.3
--.LJU.Z. 1985-02-01T19:29:52.80 10.0 undecidable manual SG 110 0.3441 0.07 0.7
--.BAD.Z. 1985-02-01T19:29:51.20 10.0 undecidable manual PG 277 0.5661 -0.84 0.9
--.DRE.Z. 1985-02-01T19:29:51.10 10.0 undecidable manual SG 271 0.2886 0.32 1
--.COL.Z. 1985-02-01T19:29:50.00 10.0 undecidable manual PG 265 0.4773 -0.11 1.8
--.TRI.Z. 1985-02-01T19:29:49.90 10.0 undecidable manual PG 204 0.4995 -0.81 0.9
--.RBL.Z. 1985-02-01T19:29:49.00 10.0 undecidable manual PG 308 0.4329 -0.27 1.7
--.CEY.Z. 1985-02-01T19:29:49.70 10.0 undecidable manual PG 149 0.4995 -0.84 0.9
--.LJU.Z. 1985-02-01T19:29:47.70 10.0 negative manual PG 110 0.3441 0.57 2.6
--.VOY.Z. 1985-02-01T19:29:47.20 10.0 undecidable manual SG 221 0.1776 0.69 0.7
--.DRE.Z. 1985-02-01T19:29:45.90 10.0 undecidable manual PG 271 0.2886 -0.11 1.8
--.VOY.Z. 1985-02-01T19:29:44.20 10.0 negative manual PG 221 0.1776 0.66 2.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download