Earthquake with magnitude of Md 2.2 on date 04-08-1985 and time 22:14:44 (Italy) in region Confine Italia Slovenia (SLOVENIA)

A magnitude Md 2.2 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 04-08-1985 20:14:44 (UTC)
  • 04-08-1985 22:14:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.0590, 13.8850 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 N of Trieste (204420 inhabitants)
50 Km E of Udine (99169 inhabitants)
95 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 2.2 1985-08-04
20:14:44
46.059 13.885 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 11309
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-08-04 20:14:44 ± 0.269
Latitude 46.0590 ± 0.0165
Longitude 13.8850 ± 0.0277
Depth (km) 10 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 11309

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) 2818.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.00397
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 11309
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:14:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.LJU.Z. 1985-08-04T20:14:59.60 10.0 undecidable manual SG 91 0.444 -0.64 0.1
--.TRI.Z. 1985-08-04T20:14:57.00 10.0 undecidable manual SG 193 0.3552 -0.49 0.2
--.LJU.Z. 1985-08-04T20:14:54.00 10.0 undecidable manual PG 91 0.444 0.6 0.3
--.RBL.Z. 1985-08-04T20:14:52.50 10.0 undecidable manual PG? 330 0.4329 -0.8 0
--.DRE.Z. 1985-08-04T20:14:52.60 10.0 undecidable manual SG 304 0.1998 0.13 0.8
--.TRI.Z. 1985-08-04T20:14:52.00 10.0 undecidable manual PG 193 0.3552 0.2 1.1
--.DRE.Z. 1985-08-04T20:14:48.90 10.0 positive manual PG 304 0.1998 -0.01 2.9
--.VOY.Z. 1985-08-04T20:14:47.50 10.0 undecidable manual SG 168 0.0222 -0.19 0.8
--.VOY.Z. 1985-08-04T20:14:46.20 10.0 positive manual PG 168 0.0222 0.06 2.9
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