Earthquake with magnitude of Md 2.3 on date 26-07-1986 and time 12:23:30 (UTC) in region 2 km SE Dogna (UD)

A magnitude Md 2.3 earthquake occured in region: 2 km SE Dogna (UD), on

  • 26-07-1986 12:23:30 (UTC)
  • 26-07-1986 14:23:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 46.4360, 13.3290 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
Dogna UD 2 175 175
Chiusaforte UD 3 672 847
Resia UD 7 1033 1880
Pontebba UD 8 1433 3313
Resiutta UD 10 309 3622
Moggio Udinese UD 11 1714 5336
Malborghetto Valbruna UD 12 951 6287
Venzone UD 18 2117 8404
Amaro UD 19 823 9227
Paularo UD 19 2623 11850
Lusevera UD 20 643 12493

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km N of Udine (99169 inhabitants)
74 Km NE of Pordenone (51229 inhabitants)
94 Km NW of Trieste (204420 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 1986-07-26
12:23:30
46.436 13.329 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 31629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-07-26 12:23:30 ± 0.122
Latitude 46.4360 ± 0.0079
Longitude 13.3290 ± 0.0084
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 31629

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) 1086.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00146
Epicentral distance of station farthest from the epicenter (degree) 0.00364
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 31629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:32:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.FOI.Z. 1986-07-26T12:23:45.00 10.0 undecidable manual SG 292 0.3996 -0.25 0.4
--.DRE.Z. 1986-07-26T12:23:43.30 10.0 undecidable manual SG 140 0.333 0.23 0.5
--.BUA.Z. 1986-07-26T12:23:41.20 10.0 undecidable manual SG 213 0.2553 0.71 0
--.ZOU.Z. 1986-07-26T12:23:40.90 10.0 undecidable manual SG 296 0.2664 0.01 0.8
--.FOI.Z. 1986-07-26T12:23:38.50 10.0 undecidable manual PG 292 0.3996 -0.4 0.7
--.BAD.Z. 1986-07-26T12:23:38.30 10.0 undecidable manual SG 196 0.2109 -0.52 0.3
--.BOO.Z. 1986-07-26T12:23:38.60 10.0 undecidable manual SG 233 0.1887 0.16 1
--.DRE.Z. 1986-07-26T12:23:37.50 10.0 undecidable manual PG 140 0.333 -0.14 1.6
--.BUA.Z. 1986-07-26T12:23:36.20 10.0 undecidable manual PG 213 0.2553 0.05 1.9
--.ZOU.Z. 1986-07-26T12:23:36.80 10.0 undecidable manual PG 296 0.2664 0.42 0.7
--.BOO.Z. 1986-07-26T12:23:34.90 10.0 undecidable manual PG 233 0.1887 -0.07 1.9
--.RBL.Z. 1986-07-26T12:23:34.50 10.0 undecidable manual PG 88 0.1665 0.13 1.8
--.BAD.Z. 1986-07-26T12:23:34.90 10.0 undecidable manual PG 196 0.2109 -0.29 1.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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