Earthquake with magnitude of M 2.6 on date 27-02-1985 and time 13:35:07 (Italy) in region Confine Italia Slovenia (SLOVENIA)

A magnitude M 2.6 earthquake occured in region: Confine Italia Slovenia (SLOVENIA), on

  • 27-02-1985 12:35:07 (UTC)
  • 27-02-1985 13:35:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.98, 13.68 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 6 34844 34844
San Floriano del Collio GO 8 796 35640
Mossa GO 11 1584 37224
Savogna d'Isonzo GO 12 1717 38941
San Lorenzo Isontino GO 13 1564 40505
Capriva del Friuli GO 14 1713 42218
Farra d'Isonzo GO 15 1733 43951
Moraro GO 16 768 44719
Cormons GO 16 7414 52133
Dolegna del Collio GO 17 370 52503
Gradisca d'Isonzo GO 17 6497 59000
Prepotto UD 17 769 59769
Stregna UD 18 356 60125
Mariano del Friuli GO 19 1530 61655
Corno di Rosazzo UD 19 3219 64874
Doberdò del Lago GO 19 1404 66278
Sagrado GO 19 2193 68471
San Leonardo UD 20 1129 69600

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Udine (99169 inhabitants)
37 Km N of Trieste (204420 inhabitants)
79 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 M 2.6 1985-02-27
12:35:07
45.98 13.68 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 2689
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-27 12:35:07 ± 0.198
Latitude 45.98 ± 0.01
Longitude 13.68 ± 0.02
Depth (km) 10 ± 8 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 2689

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) 2147.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.01271
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

M:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 2689
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 Takeoff_angle Residual Weight
--.ZOU.Z. 1985-02-27T12:35:35.00 10.0 undecidable manual SG 319 0.0068 1.34 0.1
--.CTI.Z. 1985-02-27T12:35:33.50 10.0 undecidable manual PN 273 0.0127 0.64 0.6
--.FO1.Z. 1985-02-27T12:35:26.00 10.0 undecidable manual PG 314 0.0079 1.23 0.2
--.BOO.Z. 1985-02-27T12:35:25.90 10.0 undecidable manual SG 310 0.0047 -0.39 0.6
--.RBL.Z. 1985-02-27T12:35:24.50 10.0 undecidable manual SG 350 0.0041 0.14 1.1
--.ZOU.Z. 1985-02-27T12:35:22.30 10.0 undecidable manual PG 319 0.0068 -0.28 1.3
--.BAD.Z. 1985-02-27T12:35:21.90 10.0 undecidable manual SG 310 0.0036 -0.24 0.7
--.TRI.Z. 1985-02-27T12:35:18.00 10.0 undecidable manual SG 168 0.0024 -0.26 0.7
--.COL.Z. 1985-02-27T12:35:18.50 10.0 undecidable manual SG 305 0.0023 0.77 0.6
--.BOO.Z. 1985-02-27T12:35:17.30 10.0 undecidable manual PG 310 0.0047 -1.02 0.5
--.RBL.Z. 1985-02-27T12:35:16.50 10.0 undecidable manual PG 350 0.0041 -0.71 1.1
--.DRE.Z. 1985-02-27T12:35:15.60 10.0 undecidable manual SG 351 0.0017 -0.01 1.1
--.VOY.Z. 1985-02-27T12:35:15.40 10.0 undecidable manual SG 70 0.0014 1.08 0.3
--.BAD.Z. 1985-02-27T12:35:15.30 10.0 undecidable manual PG 310 0.0036 -0.63 1.2
--.COL.Z. 1985-02-27T12:35:13.00 10.0 undecidable manual PG 305 0.0023 -0.39 1.6
--.TRI.Z. 1985-02-27T12:35:13.50 10.0 undecidable manual PG 168 0.0024 -0.19 1.8
--.VOY.Z. 1985-02-27T12:35:11.40 10.0 positive manual PG 70 0.0014 -0.02 3.7
--.DRE.Z. 1985-02-27T12:35:11.30 10.0 undecidable manual PG 351 0.0017 -0.86 0.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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