Earthquake with magnitude of Md 2.4 on date 28-02-1985 and time 20:20:39 (Italy) in region Slovenia (SLOVENIA)

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

  • 28-02-1985 19:20:39 (UTC)
  • 28-02-1985 20:20:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.6740, 14.3530 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
46 Km E of Trieste (204420 inhabitants)
97 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 2.4
M 2.7
1985-02-28
19:20:39
45.674 14.353 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 2769
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-28 19:20:39 ± 0.561
Latitude 45.6740 ± 0.0365
Longitude 14.3530 ± 0.0316
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 2769

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) 4745.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 236
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.01279
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 2769
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:07:38

M:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 2769
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. 1985-02-28T19:21:06.00 10.0 undecidable manual PN 310 1.4208 0.78 0.7
--.DRE.Z. 1985-02-28T19:21:05.00 10.0 undecidable manual SG 315 0.6993 0.95 0.5
--.CAE.Z. 1985-02-28T19:21:05.20 10.0 undecidable manual PN 284 1.3653 0.67 0.9
--.ZOU.Z. 1985-02-28T19:21:04.30 10.0 undecidable manual PN 313 1.2987 0.79 0.8
--.RCL.Z. 1985-02-28T19:21:03.80 10.0 undecidable manual PN 292 1.2765 0.6 1
--.MPR.Z. 1985-02-28T19:21:01.00 10.0 undecidable manual PN 301 1.0989 0.18 1.5
--.BUA.Z. 1985-02-28T19:21:00.00 10.0 undecidable manual PG 302 1.0101 0.52 1.3
--.BOO.Z. 1985-02-28T19:21:00.30 10.0 undecidable manual PN 307 1.0767 -0.23 1.5
--.BAD.Z. 1985-02-28T19:20:57.80 10.0 undecidable manual PG 306 0.9546 -0.59 1.2
--.COL.Z. 1985-02-28T19:20:55.40 10.0 undecidable manual PG 304 0.8214 -0.48 1.4
--.LJU.N. 1985-02-28T19:20:54.50 10.0 undecidable manual SG 18 0.3885 0.51 0.6
--.TRI.Z. 1985-02-28T19:20:53.50 10.0 undecidable manual SG 275 0.3996 -1.27 0.2
--.DRE.Z. 1985-02-28T19:20:52.10 10.0 undecidable manual PG 315 0.6993 -1.61 0.2
--.TRI.Z. 1985-02-28T19:20:48.50 10.0 undecidable manual PG 275 0.3996 0.14 1.8
--.LJU.Z. 1985-02-28T19:20:47.90 10.0 undecidable manual PG 18 0.3885 -0.02 1.8
--.CEY.N. 1985-02-28T19:20:44.40 10.0 undecidable manual SG 38 0.0777 0.1 0.7
--.CEY.Z. 1985-02-28T19:20:41.50 10.0 undecidable manual PG 38 0.0777 -0.81 1
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