Earthquake with magnitude of Md 2.5 on date 23-11-1985 and time 01:47:44 (Italy) in region Slovenia (SLOVENIA)

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

  • 23-11-1985 00:47:44 (UTC)
  • 23-11-1985 01:47:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.0890, 14.7010 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
87 Km NE 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 1985-11-23
00:47:44
46.089 14.701 9 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 16209
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-11-23 00:47:44 ± 0.639
Latitude 46.0890 ± 0.0307
Longitude 14.7010 ± 0.0456
Depth (km) 9 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 16209

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) 4900.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 274
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.01902
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 16209
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:19:00
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1985-11-23T00:48:46.00 10.0 undecidable manual SN 269 2.109 0.17 0.4
--.CTI.Z. 1985-11-23T00:48:20.00 10.0 undecidable manual PN 269 2.109 -0.09 1
--.RBL.Z. 1985-11-23T00:48:13.50 10.0 undecidable manual SG 294 0.8547 -0.98 0.2
--.TRI.Z. 1985-11-23T00:48:12.00 10.0 undecidable manual SG 239 0.7437 0.87 0.2
--.FO1.Z. 1985-11-23T00:48:11.50 10.0 undecidable manual PN 291 1.4097 1 0.3
--.VOY.Z. 1985-11-23T00:48:04.70 10.0 undecidable manual SG 264 0.555 -0.3 0.9
--.RBL.Z. 1985-11-23T00:48:02.00 10.0 undecidable manual PG 294 0.8547 0.02 1.7
--.TRI.Z. 1985-11-23T00:48:01.00 10.0 undecidable manual PG 239 0.7437 0.95 0.5
--.VOY.Z. 1985-11-23T00:47:56.00 10.0 positive manual PG 264 0.555 -0.51 2.4
--.CEY.Z. 1985-11-23T00:47:52.60 10.0 undecidable manual PG 208 0.3996 -0.86 0.6
--.LJU.N. 1985-11-23T00:47:51.00 10.0 undecidable manual SG 249 0.1221 0.15 0.7
--.LJU.Z. 1985-11-23T00:47:48.10 10.0 positive manual PG 249 0.1221 -0.24 3.1
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