Earthquake with magnitude of Md 3.0 on date 05-07-1986 and time 12:33:20 (Italy) in region 5 km SW Forni di Sopra (UD)

A magnitude Md 3.0 earthquake occured in region: 5 km SW Forni di Sopra (UD), on

  • 05-07-1986 10:33:20 (UTC)
  • 05-07-1986 12:33:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.39, 12.55 at 5 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 5 993 993
Forni di Sotto UD 10 600 1593
Lorenzago di Cadore BL 12 549 2142
Domegge di Cadore BL 13 2441 4583
Claut PN 13 956 5539
Lozzo di Cadore BL 14 1383 6922
Cimolais PN 14 397 7319
Pieve di Cadore BL 14 3794 11113
Vigo di Cadore BL 14 1440 12553
Calalzo di Cadore BL 14 2085 14638
Perarolo di Cadore BL 15 380 15018
Sauris UD 15 416 15434
Valle di Cadore BL 17 1964 17398
Erto e Casso PN 18 387 17785
Ospitale di Cadore BL 18 292 18077
Santo Stefano di Cadore BL 19 2609 20686
Ampezzo UD 20 1006 21692
Cibiana di Cadore BL 20 393 22085
Auronzo di Cadore BL 20 3350 25435

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km N of Pordenone (51229 inhabitants)
64 Km NW of Udine (99169 inhabitants)
83 Km NE of Treviso (83731 inhabitants)
92 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 3.0 1986-07-05
10:33:20
46.39 12.55 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 30639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-07-05 10:33:20 ± 0.143
Latitude 46.39 ± 0.01
Longitude 12.55 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 30639

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) 1749.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 144
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.01846
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:3

Field Value
Value 3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 30639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:31:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.TRI.Z. 1986-07-05T10:33:58.00 10.0 undecidable manual SN 128 0.0097 0.12 0.7
--.MDI.Z. 1986-07-05T10:33:55.70 10.0 undecidable manual PN 253 0.0185 0.33 0.9
--.SAL.Z. 1986-07-05T10:33:49.50 10.0 undecidable manual PN 241 0.0144 0.35 1
--.LJU.Z. 1986-07-05T10:33:47.50 10.0 undecidable manual PN 103 0.0127 0.98 0.2
--.CEY.Z. 1986-07-05T10:33:47.30 10.0 undecidable manual PN 115 0.013 0.18 1.4
--.CTI.Z. 1986-07-05T10:33:45.50 10.0 undecidable manual SG 241 0.0063 -0.32 0.6
--.RBL.Z. 1986-07-05T10:33:45.30 10.0 undecidable manual SG 85 0.0063 -0.53 0.4
--.TRI.Z. 1986-07-05T10:33:41.50 10.0 undecidable manual PN 128 0.0097 -0.5 1
--.CTI.Z. 1986-07-05T10:33:34.50 10.0 undecidable manual PG 241 0.0063 -0.53 0.9
--.RBL.Z. 1986-07-05T10:33:34.70 10.0 undecidable manual PG 85 0.0063 -0.34 1.4
--.FO1.Z. 1986-07-05T10:33:31.00 10.0 undecidable manual SG 37 0.0023 0.43 0.5
--.FO1.Z. 1986-07-05T10:33:26.00 10.0 positive manual PG 37 0.0023 -0.23 3.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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