Earthquake with magnitude of Md 2.3 on date 14-12-1986 and time 07:07:36 (UTC) in region 3 km NE Forni di Sopra (UD)

A magnitude Md 2.3 earthquake occured in region: 3 km NE Forni di Sopra (UD), on

  • 14-12-1986 07:07:36 (UTC)
  • 14-12-1986 08:07:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.4410, 12.6140 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
Forni di Sopra UD 3 993 993
Forni di Sotto UD 7 600 1593
Sauris UD 8 416 2009
Lorenzago di Cadore BL 13 549 2558
Vigo di Cadore BL 13 1440 3998
Lozzo di Cadore BL 14 1383 5381
Santo Stefano di Cadore BL 14 2609 7990
Ampezzo UD 14 1006 8996
San Pietro di Cadore BL 15 1624 10620
Sappada BL 15 1317 11937
Domegge di Cadore BL 15 2441 14378
Danta di Cadore BL 16 463 14841
Socchieve UD 17 908 15749
Prato Carnico UD 17 904 16653
San Nicolò di Comelico BL 17 406 17059
Calalzo di Cadore BL 18 2085 19144
Auronzo di Cadore BL 18 3350 22494
Comelico Superiore BL 18 2238 24732
Pieve di Cadore BL 18 3794 28526
Raveo UD 20 458 28984
Tramonti di Sopra PN 20 321 29305
Ovaro UD 20 1922 31227

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km N of Pordenone (51229 inhabitants)
64 Km NW of Udine (99169 inhabitants)
91 Km NE of Treviso (83731 inhabitants)
96 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
Bulletin
Rev1000
Md 2.3 1986-12-14
07:07:36
46.441 12.614 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 38159
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-12-14 07:07:36 ± 0.103
Latitude 46.4410 ± 0.0085
Longitude 12.6140 ± 0.0088
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 38159

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) 1157.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 157
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.00874
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:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 38159
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:38:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.VOY.Z. 1986-12-14T07:08:09.90 10.0 undecidable manual SG 114 0.9657 -0.19 0.4
--.CTI.Z. 1986-12-14T07:08:03.50 10.0 undecidable manual SG 239 0.777 -0.15 0.9
--.RBL.Z. 1986-12-14T07:08:00.50 10.0 undecidable manual SG 89 0.6438 0.61 0
--.VOY.Z. 1986-12-14T07:07:56.00 10.0 undecidable manual PG 114 0.9657 -0.06 1.5
--.CTI.Z. 1986-12-14T07:07:52.50 10.0 undecidable manual PG 239 0.777 0.16 1.4
--.RBL.Z. 1986-12-14T07:07:50.00 10.0 undecidable manual PG 89 0.6438 -0.17 1.5
--.FO1.Z. 1986-12-14T07:07:44.70 10.0 undecidable manual SG 36 0.1887 -0.25 0.7
--.FO1.Z. 1986-12-14T07:07:41.70 10.0 undecidable manual PG 36 0.1887 0.15 1.6
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