Earthquake with magnitude of Md 2.5 on date 04-12-1985 and time 12:47:48 (Italy) in region Confine Slovenia Croazia (SLOVENIA, CROAZIA)

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

  • 04-12-1985 11:47:48 (UTC)
  • 04-12-1985 12:47:48 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.4240, 14.2050 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.

Municipalities within 20 km from the epicenter

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SE of Trieste (204420 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 1985-12-04
11:47:48
45.424 14.205 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 17389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-12-04 11:47:48 ± 0.831
Latitude 45.4240 ± 0.0492
Longitude 14.2050 ± 0.0481
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 17389

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) 6636.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 278
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00308
Epicentral distance of station farthest from the epicenter (degree) 0.01376
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 17389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:20:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FO1.Z. 1985-12-04T11:48:17.00 10.0 undecidable manual PN 320 1.5318 1.14 0.6
--.ZOU.Z. 1985-12-04T11:48:15.30 10.0 undecidable manual PN 323 1.4097 0.99 0.8
--.RCL.Z. 1985-12-04T11:48:13.30 10.0 undecidable manual PN 304 1.2987 0.51 1.3
--.VOY.Z. 1985-12-04T11:48:12.70 10.0 undecidable manual SG 340 0.6327 1.3 0.3
--.BUA.Z. 1985-12-04T11:48:09.70 10.0 undecidable manual PN 317 1.0878 -0.16 1.7
--.BAD.Z. 1985-12-04T11:48:09.20 10.0 undecidable manual PN 320 1.0545 -0.09 1.8
--.DRE.Z. 1985-12-04T11:48:04.50 10.0 undecidable manual PG 332 0.8325 -1.05 0.9
--.TRI.Z. 1985-12-04T11:48:04.50 10.0 undecidable manual SG 312 0.4107 0.33 0.8
--.CEY.Z. 1985-12-04T11:48:03.00 10.0 undecidable manual SG 26 0.3441 1.04 0.4
--.VOY.Z. 1985-12-04T11:48:00.80 10.0 undecidable manual PG 340 0.6327 -1.04 1
--.TRI.Z. 1985-12-04T11:47:57.00 10.0 undecidable manual PG 312 0.4107 -0.67 1.5
--.CEY.Z. 1985-12-04T11:47:55.40 10.0 undecidable manual PG 26 0.3441 -0.99 1
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