INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of Md 2.0 on date 10-04-1985 and time 12:42:02 (Italy) in region Confine Italia Slovenia (SLOVENIA)

A magnitude Md 2.0 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 10-04-1985 10:42:02 (UTC)
  • 10-04-1985 12:42:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 45.98, 13.74 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gorizia GO 10 34844 34844
San Floriano del Collio GO 12 796 35640
Mossa GO 16 1584 37224
Savogna d'Isonzo GO 16 1717 38941
San Lorenzo Isontino GO 17 1564 40505
Capriva del Friuli GO 18 1713 42218
Farra d'Isonzo GO 19 1733 43951
Moraro GO 20 768 44719

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km N of Trieste (204420 inhabitants)
40 Km E of Udine (99169 inhabitants)
84 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
Rev 1000 Md 2.0 1985-04-10
10:42:02
45.98 13.74 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 4469
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-10 10:42:02 ± 0.21
Latitude 45.98 ± 0.01
Longitude 13.74 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 4469

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) 2465.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00178
Epicentral distance of station farthest from the epicenter (degree) 0.0038
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2

Field Value
Value 2
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 4469
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:09:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BAD.Z. 1985-04-10T10:42:18.40 10.0 undecidable manual SG 306 0.0038 0.61 0.2
--.COL.Z. 1985-04-10T10:42:13.40 10.0 undecidable manual SG 301 0.0026 -0.06 0.9
--.TRI.Z. 1985-04-10T10:42:13.00 10.0 undecidable manual SG 176 0.0024 0.32 0.7
--.DRE.Z. 1985-04-10T10:42:11.00 10.0 undecidable manual SG 340 0.0018 0.46 0.5
--.BAD.Z. 1985-04-10T10:42:10.70 10.0 undecidable manual PG 306 0.0038 -0.44 0.9
--.TRI.Z. 1985-04-10T10:42:08.00 10.0 undecidable manual PG 176 0.0024 -0.19 2
--.COL.Z. 1985-04-10T10:42:08.20 10.0 undecidable manual PG 301 0.0026 -0.43 1.1
--.DRE.Z. 1985-04-10T10:42:06.70 10.0 negative manual PG 340 0.0018 -0.25 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download