Earthquake with magnitude of Md 2.9 on date 24-11-1985 and time 06:28:33 (UTC) in region 8 km SW Forni di Sopra (UD)

A magnitude Md 2.9 earthquake occured in region: 8 km SW Forni di Sopra (UD), on

  • 24-11-1985 06:28:33 (UTC)
  • 24-11-1985 07:28:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.38, 12.5 at 2 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
Forni di Sopra UD 8 993 993
Cimolais PN 11 397 1390
Domegge di Cadore BL 11 2441 3831
Pieve di Cadore BL 11 3794 7625
Perarolo di Cadore BL 12 380 8005
Lorenzago di Cadore BL 12 549 8554
Calalzo di Cadore BL 12 2085 10639
Claut PN 13 956 11595
Lozzo di Cadore BL 13 1383 12978
Forni di Sotto UD 13 600 13578
Vigo di Cadore BL 14 1440 15018
Valle di Cadore BL 14 1964 16982
Ospitale di Cadore BL 15 292 17274
Erto e Casso PN 15 387 17661
Cibiana di Cadore BL 16 393 18054
Sauris UD 18 416 18470
Auronzo di Cadore BL 20 3350 21820
Longarone BL 20 5359 27179
Vodo Cadore BL 20 853 28032

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km N of Pordenone (51229 inhabitants)
66 Km NW of Udine (99169 inhabitants)
82 Km N of Treviso (83731 inhabitants)
89 Km E of Bolzano (106441 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 2.9 1985-11-24
06:28:33
46.38 12.51 2 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 16579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-11-24 06:28:33 ± 0.928
Latitude 46.38 ± 0.06
Longitude 12.51 ± 0.04
Depth (km) 2 ± 9 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 16579

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) 7605
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00251
Epicentral distance of station farthest from the epicenter (degree) 0.01328
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 16579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:19:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.CEY.N. 1985-11-24T06:29:22.50 10.0 undecidable manual SN 115 0.0133 1.11 0.2
--.VOY.Z. 1985-11-24T06:29:08.80 10.0 undecidable manual SG 109 0.0091 -1.04 0.3
--.CEY.Z. 1985-11-24T06:29:01.80 10.0 undecidable manual PN 115 0.0133 0.57 0.9
--.LJU.Z. 1985-11-24T06:29:01.40 10.0 negative manual PN 102 0.0129 0.72 1.5
--.CTI.Z. 1985-11-24T06:28:58.00 10.0 undecidable manual SG 241 0.0061 -0.8 0.4
--.RBL.Z. 1985-11-24T06:28:58.50 10.0 undecidable manual SG 85 0.0066 -2.14 0
--.VOY.Z. 1985-11-24T06:28:54.50 10.0 undecidable manual PG 109 0.0091 -0.06 3.1
--.RBL.Z. 1985-11-24T06:28:49.00 10.0 undecidable manual PG 85 0.0066 -0.24 1.6
--.CTI.Z. 1985-11-24T06:28:47.70 10.0 undecidable manual PG 241 0.0061 -0.49 1.3
--.FO1.Z. 1985-11-24T06:28:44.00 10.0 undecidable manual SG 41 0.0025 -0.73 0.4
--.FO1.Z. 1985-11-24T06:28:40.50 10.0 undecidable manual PG 41 0.0025 0.44 1.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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