Earthquake with magnitude of Md 2.8 on date 08-02-1985 and time 21:12:20 (UTC) in region 4 km W Ovaro (UD)

A magnitude Md 2.8 earthquake occured in region: 4 km W Ovaro (UD), on

  • 08-02-1985 21:12:20 (UTC)
  • 08-02-1985 22:12:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.48, 12.82 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
Ovaro UD 4 1922 1922
Prato Carnico UD 5 904 2826
Comeglians UD 5 516 3342
Raveo UD 7 458 3800
Ampezzo UD 7 1006 4806
Rigolato UD 8 448 5254
Sauris UD 8 416 5670
Socchieve UD 9 908 6578
Enemonzo UD 9 1319 7897
Ravascletto UD 10 536 8433
Preone UD 10 246 8679
Villa Santina UD 11 2233 10912
Lauco UD 11 729 11641
Forni Avoltri UD 12 588 12229
Sutrio UD 14 1332 13561
Sappada BL 14 1317 14878
Cercivento UD 14 679 15557
Forni di Sotto UD 15 600 16157
Arta Terme UD 16 2171 18328
Paluzza UD 16 2217 20545
Zuglio UD 16 595 21140
Verzegnis UD 17 863 22003
Tolmezzo UD 17 10440 32443
Treppo Carnico UD 18 618 33061
Tramonti di Sopra PN 19 321 33382
Forni di Sopra UD 19 993 34375

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km NW of Udine (99169 inhabitants)
60 Km N of Pordenone (51229 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 2.8
M 2.9
1985-02-08
21:12:20
46.48 12.82 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 1389
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-08 21:12:20 ± 0.206
Latitude 46.48 ± 0.01
Longitude 12.82 ± 0.02
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1389

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) 1843.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.01417
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 1389
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:30

M:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1389
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
--.DDS.Z. 1985-02-08T21:13:03.50 10.0 undecidable manual SN 242 0.0114 2.41 0
--.PAN.Z. 1985-02-08T21:12:58.60 10.0 undecidable manual SN 247 0.0101 1.04 0.4
--.CAV.Z. 1985-02-08T21:12:52.80 10.0 undecidable manual SG 258 0.0085 0.07 0.7
--.CTI.Z. 1985-02-08T21:12:51.00 10.0 undecidable manual SG 242 0.0082 -0.54 0.6
--.VOY.Z. 1985-02-08T21:12:50.60 10.0 undecidable manual SG 120 0.0078 0.53 0.6
--.RNI.Z. 1985-02-08T21:12:50.50 10.0 undecidable manual PN 252 0.0142 2.48 0
--.CEY.Z. 1985-02-08T21:12:46.90 10.0 undecidable manual PN 123 0.0121 2.2 0.1
--.PAG.Z. 1985-02-08T21:12:46.70 10.0 undecidable manual PN? 254 0.0114 2.93 0
--.DDS.Z. 1985-02-08T21:12:44.80 10.0 undecidable manual PN 242 0.0114 0.97 0.6
--.DRE.Z. 1985-02-08T21:12:43.20 10.0 undecidable manual SG 118 0.0058 0.23 0.9
--.PAN.Z. 1985-02-08T21:12:42.00 10.0 undecidable manual PN 247 0.0101 0.21 1.1
--.TRI.Z. 1985-02-08T21:12:41.50 10.0 undecidable manual PG 139 0.0091 1.36 0.4
--.RBL.Z. 1985-02-08T21:12:40.50 10.0 undecidable manual SG 94 0.0046 1.7 0.2
--.CAE.Z. 1985-02-08T21:12:39.40 10.0 undecidable manual SG 209 0.0049 -0.19 0.9
--.COL.Z. 1985-02-08T21:12:39.50 10.0 undecidable manual SG 131 0.0046 0.61 0.7
--.CAV.Z. 1985-02-08T21:12:38.40 10.0 undecidable manual PG 258 0.0085 -0.6 1
--.CTI.Z. 1985-02-08T21:12:38.20 10.0 undecidable manual PG 242 0.0082 -0.11 1.2
--.UDI.Z. 1985-02-08T21:12:38.70 10.0 undecidable manual SG 144 0.0045 0.24 0.9
--.VOY.Z. 1985-02-08T21:12:36.30 10.0 undecidable manual PG 120 0.0078 -1.16 0.6
--.BAD.Z. 1985-02-08T21:12:34.80 10.0 undecidable manual SG 129 0.0034 0.34 0.9
--.BUA.Z. 1985-02-08T21:12:33.50 10.0 undecidable manual SG 141 0.003 0.49 0.8
--.DRE.Z. 1985-02-08T21:12:32.70 10.0 undecidable manual PG 118 0.0058 -0.66 1.2
--.ERT.Z. 1985-02-08T21:12:32.30 10.0 undecidable manual SG 236 0.0032 -1.62 0.1
--.POB.Z. 1985-02-08T21:12:32.30 10.0 undecidable manual SG 84 0.0028 -0.07 0.6
--.RCL.Z. 1985-02-08T21:12:32.60 10.0 undecidable manual SG 199 0.003 -0.51 0.8
--.RBL.Z. 1985-02-08T21:12:31.00 10.0 undecidable manual PG 94 0.0046 0.05 1.5
--.BOO.Z. 1985-02-08T21:12:30.30 10.0 undecidable manual SG 129 0.0023 -0.01 0.9
--.UDI.Z. 1985-02-08T21:12:30.10 10.0 undecidable manual PG 144 0.0045 -0.66 1.2
--.MPR.Z. 1985-02-08T21:12:30.40 10.0 undecidable manual SG 153 0.0023 -0.36 0.8
--.CAE.Z. 1985-02-08T21:12:30.50 10.0 undecidable manual PG? 209 0.0049 -0.91 0.4
--.COL.Z. 1985-02-08T21:12:30.70 10.0 undecidable manual PG 131 0.0046 -0.3 1.4
--.BAD.Z. 1985-02-08T21:12:27.90 10.0 undecidable manual PG 129 0.0034 -0.55 1.3
--.BUA.Z. 1985-02-08T21:12:27.00 10.0 undecidable manual PG 141 0.003 -0.61 1.2
--.ERT.Z. 1985-02-08T21:12:27.20 10.0 undecidable manual PG 236 0.0032 -0.94 1.9
--.POB.Z. 1985-02-08T21:12:26.70 10.0 undecidable manual PG 84 0.0028 -0.54 1.3
--.RCL.Z. 1985-02-08T21:12:26.90 10.0 undecidable manual PG 199 0.003 -0.77 1.1
--.FO1.Z. 1985-02-08T21:12:25.00 10.0 undecidable manual SG 347 0.001 -0.84 0.6
--.BOO.Z. 1985-02-08T21:12:25.60 10.0 negative manual PG 129 0.0023 -0.45 2.7
--.MPR.Z. 1985-02-08T21:12:25.70 10.0 negative manual PG 153 0.0023 -0.61 2.5
--.FO1.Z. 1985-02-08T21:12:23.00 10.0 negative manual PG 347 0.001 -0.48 2.7
--.ZOU.Z. 1985-02-08T21:12:23.70 10.0 positive manual PG 55 0.0011 -0.07 3
--.FOA.Z. 1985-02-08T21:12:22.70 10.0 undecidable manual PG 344 0.001 -0.67 0
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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