Earthquake with magnitude of Md 2.6 on date 09-02-1985 and time 07:26:41 (UTC) in region 5 km SW Ovaro (UD)

A magnitude Md 2.6 earthquake occured in region: 5 km SW Ovaro (UD), on

  • 09-02-1985 07:26:41 (UTC)
  • 09-02-1985 08:26:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.46, 12.82 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
Ovaro UD 5 1922 1922
Raveo UD 5 458 2380
Ampezzo UD 5 1006 3386
Socchieve UD 6 908 4294
Prato Carnico UD 7 904 5198
Comeglians UD 7 516 5714
Enemonzo UD 7 1319 7033
Sauris UD 8 416 7449
Preone UD 8 246 7695
Villa Santina UD 10 2233 9928
Lauco UD 10 729 10657
Rigolato UD 10 448 11105
Ravascletto UD 11 536 11641
Forni di Sotto UD 13 600 12241
Forni Avoltri UD 14 588 12829
Sutrio UD 15 1332 14161
Cercivento UD 15 679 14840
Sappada BL 16 1317 16157
Verzegnis UD 16 863 17020
Arta Terme UD 16 2171 19191
Zuglio UD 16 595 19786
Tolmezzo UD 17 10440 30226
Tramonti di Sopra PN 17 321 30547
Paluzza UD 17 2217 32764
Forni di Sopra UD 19 993 33757
Treppo Carnico UD 19 618 34375
Tramonti di Sotto PN 20 387 34762

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km NW of Udine (99169 inhabitants)
58 Km N of Pordenone (51229 inhabitants)
99 Km NE of Treviso (83731 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 2.6
M 3.1
1985-02-09
07:26:41
46.46 12.82 5 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 1399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-09 07:26:41 ± 0.123
Latitude 46.46 ± 0.01
Longitude 12.82 ± 0.01
Depth (km) 5 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1399

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) 1060.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.01417
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

Md:2.6

Field Value
Value 2.6
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 1399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:31

M:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1399
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
--.PAN.Z. 1985-02-09T07:27:21.30 10.0 undecidable manual SN 248 0.01 1.18 0
--.CTI.Z. 1985-02-09T07:27:14.80 10.0 undecidable manual SG 243 0.0081 1.24 0
--.VOY.Z. 1985-02-09T07:27:12.00 10.0 undecidable manual SG 119 0.0077 -0.09 0.7
--.RNI.Z. 1985-02-09T07:27:12.60 10.0 undecidable manual PN? 253 0.0142 2.49 0
--.DDS.Z. 1985-02-09T07:27:06.30 10.0 undecidable manual PN 243 0.0113 0.43 0.7
--.DRE.Z. 1985-02-09T07:27:04.70 10.0 undecidable manual SG 116 0.0057 -0.33 0.7
--.PAN.Z. 1985-02-09T07:27:03.70 10.0 undecidable manual PN 248 0.01 -0.16 0.9
--.RBL.Z. 1985-02-09T07:27:02.00 10.0 undecidable manual SG 91 0.0046 0.87 0.2
--.TRI.Z. 1985-02-09T07:27:02.00 10.0 undecidable manual PG 138 0.009 0.2 1
--.COL.Z. 1985-02-09T07:27:01.20 10.0 undecidable manual SG 129 0.0045 0.39 0.7
--.CAE.Z. 1985-02-09T07:27:00.90 10.0 undecidable manual SG 210 0.0047 -0.44 0.6
--.CTI.Z. 1985-02-09T07:27:00.00 10.0 undecidable manual PG 243 0.0081 -0.07 1.1
--.CAV.Z. 1985-02-09T07:26:59.90 10.0 undecidable manual PG 260 0.0085 -0.96 0.2
--.VOY.Z. 1985-02-09T07:26:58.40 10.0 undecidable manual PG? 119 0.0077 -0.82 0.1
--.BAD.Z. 1985-02-09T07:26:56.30 10.0 undecidable manual SG 127 0.0033 0.29 0.7
--.BUA.Z. 1985-02-09T07:26:54.90 10.0 undecidable manual SG 138 0.0028 0.73 0.3
--.DRE.Z. 1985-02-09T07:26:54.00 10.0 undecidable manual PG 116 0.0057 -1.14 0.1
--.RCL.Z. 1985-02-09T07:26:53.90 10.0 undecidable manual SG 200 0.0028 -0.22 0.8
--.COL.Z. 1985-02-09T07:26:52.30 10.0 undecidable manual PG 129 0.0045 -0.41 1.1
--.CAE.Z. 1985-02-09T07:26:52.50 10.0 undecidable manual PG 210 0.0047 -0.51 0.9
--.RBL.Z. 1985-02-09T07:26:52.80 10.0 undecidable manual PG 91 0.0046 -0.09 1.4
--.MPR.Z. 1985-02-09T07:26:51.90 10.0 undecidable manual SG 151 0.0022 0.5 0.6
--.BOO.Z. 1985-02-09T07:26:51.50 10.0 undecidable manual SG 125 0.0021 0.41 0.6
--.BAD.Z. 1985-02-09T07:26:49.60 10.0 undecidable manual PG 127 0.0033 -0.34 1.2
--.POB.Z. 1985-02-09T07:26:48.70 10.0 undecidable manual PG 80 0.0028 -0.15 1.4
--.BUA.Z. 1985-02-09T07:26:48.80 10.0 undecidable manual PG 138 0.0028 -0.07 1.4
--.RCL.Z. 1985-02-09T07:26:48.70 10.0 undecidable manual PG 200 0.0028 -0.15 1.4
--.BOO.Z. 1985-02-09T07:26:47.10 10.0 negative manual PG 125 0.0021 0 2.9
--.MPR.Z. 1985-02-09T07:26:47.30 10.0 negative manual PG 151 0.0022 0.03 2.9
--.FO1.Z. 1985-02-09T07:26:46.80 10.0 undecidable manual SG 349 0.0012 -0.32 0.7
--.ZOU.Z. 1985-02-09T07:26:45.30 10.0 positive manual PG 48 0.0013 0.3 2.5
--.FO1.Z. 1985-02-09T07:26:44.90 10.0 negative manual PG 349 0.0012 0.1 2.8
--.FOA.Z. 1985-02-09T07:26:44.20 10.0 undecidable manual PG 347 0.0011 -0.47 0
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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