Earthquake with magnitude of Md 2.9 on date 08-02-1985 and time 21:10:39 (UTC) in region 5 km N Ampezzo (UD)

A magnitude Md 2.9 earthquake occured in region: 5 km N Ampezzo (UD), on

  • 08-02-1985 21:10:39 (UTC)
  • 08-02-1985 22:10:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.46, 12.81 at 4 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
Ampezzo UD 5 1006 1006
Ovaro UD 6 1922 2928
Raveo UD 6 458 3386
Socchieve UD 6 908 4294
Prato Carnico UD 7 904 5198
Sauris UD 8 416 5614
Enemonzo UD 8 1319 6933
Comeglians UD 8 516 7449
Preone UD 8 246 7695
Villa Santina UD 10 2233 9928
Lauco UD 11 729 10657
Rigolato UD 11 448 11105
Ravascletto UD 12 536 11641
Forni di Sotto UD 12 600 12241
Forni Avoltri UD 14 588 12829
Sappada BL 15 1317 14146
Sutrio UD 15 1332 15478
Cercivento UD 16 679 16157
Verzegnis UD 16 863 17020
Tramonti di Sopra PN 16 321 17341
Arta Terme UD 17 2171 19512
Zuglio UD 17 595 20107
Tolmezzo UD 17 10440 30547
Forni di Sopra UD 18 993 31540
Paluzza UD 18 2217 33757
Tramonti di Sotto PN 19 387 34144

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km NW of Udine (99169 inhabitants)
57 Km N of Pordenone (51229 inhabitants)
98 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 2.9
M 2.9
1985-02-08
21:10:39
46.46 12.81 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 1379
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-08 21:10:39 ± 0.163
Latitude 46.46 ± 0.01
Longitude 12.81 ± 0.01
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1379

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) 1358.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
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) 0.00113
Epicentral distance of station farthest from the epicenter (degree) 0.01408
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

Md:2.9

Field Value
Value 2.9
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 1379
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 1379
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. 1985-02-08T21:11:18.10 10.0 undecidable manual SN 248 0.01 0.56 0.4
--.CAV.Z. 1985-02-08T21:11:11.40 10.0 undecidable manual SG 260 0.0084 -0.84 0.2
--.CTI.Z. 1985-02-08T21:11:10.50 10.0 undecidable manual SG 243 0.008 -0.36 0.6
--.RNI.Z. 1985-02-08T21:11:10.00 10.0 undecidable manual PN? 253 0.0141 2.49 0
--.VOY.Z. 1985-02-08T21:11:09.40 10.0 undecidable manual SG 119 0.0078 -0.35 0.6
--.PAG.Z. 1985-02-08T21:11:05.30 10.0 undecidable manual PN? 255 0.0113 2.02 0
--.DDS.Z. 1985-02-08T21:11:04.00 10.0 undecidable manual PN 243 0.0113 0.73 0.5
--.DRE.Z. 1985-02-08T21:11:02.40 10.0 undecidable manual SG 115 0.0057 -0.3 0.8
--.PAN.Z. 1985-02-08T21:11:01.40 10.0 undecidable manual PN 248 0.01 0.15 1
--.TRI.Z. 1985-02-08T21:10:59.50 10.0 undecidable manual PG 138 0.009 0.2 1.1
--.RBL.Z. 1985-02-08T21:10:59.00 10.0 undecidable manual SG 91 0.0047 0.14 0.9
--.CAE.Z. 1985-02-08T21:10:58.70 10.0 undecidable manual SG 209 0.0046 0.03 0.9
--.COL.Z. 1985-02-08T21:10:58.80 10.0 undecidable manual SG 129 0.0045 0.36 0.8
--.UDI.Z. 1985-02-08T21:10:58.20 10.0 undecidable manual SG 142 0.0044 0.36 0.8
--.CTI.Z. 1985-02-08T21:10:57.50 10.0 undecidable manual PG 243 0.008 0.1 1.2
--.CAV.Z. 1985-02-08T21:10:57.90 10.0 undecidable manual PG 260 0.0084 -0.3 1.1
--.VOY.Z. 1985-02-08T21:10:55.60 10.0 undecidable manual PG 119 0.0078 -1.16 0.3
--.BAD.Z. 1985-02-08T21:10:54.10 10.0 undecidable manual SG 126 0.0033 0.62 0.6
--.BUA.Z. 1985-02-08T21:10:52.60 10.0 undecidable manual SG 137 0.0029 1.02 0.3
--.DRE.Z. 1985-02-08T21:10:51.90 10.0 undecidable manual PG 115 0.0057 -0.79 0.7
--.RCL.Z. 1985-02-08T21:10:50.90 10.0 undecidable manual SG 199 0.0028 -0.38 0.8
--.RBL.Z. 1985-02-08T21:10:50.50 10.0 undecidable manual PG 91 0.0047 0.03 1.5
--.POB.Z. 1985-02-08T21:10:49.90 10.0 undecidable manual SG 80 0.0029 -1.84 0
--.UDI.Z. 1985-02-08T21:10:49.60 10.0 undecidable manual PG 142 0.0044 -0.28 1.4
--.CAE.Z. 1985-02-08T21:10:49.70 10.0 undecidable manual PG 209 0.0046 -0.66 0.9
--.COL.Z. 1985-02-08T21:10:49.80 10.0 undecidable manual PG 129 0.0045 -0.43 1.2
--.MPR.Z. 1985-02-08T21:10:49.70 10.0 undecidable manual SG 149 0.0022 0.95 0.3
--.BAD.Z. 1985-02-08T21:10:47.30 10.0 undecidable manual PG 126 0.0033 -0.07 1.5
--.RCL.Z. 1985-02-08T21:10:46.10 10.0 undecidable manual PG 199 0.0028 0.02 1.5
--.POB.Z. 1985-02-08T21:10:46.30 10.0 undecidable manual PG 80 0.0029 -0.06 1.5
--.ERT.Z. 1985-02-08T21:10:46.00 10.0 undecidable manual PG 238 0.0031 -0.78 1.5
--.BUA.Z. 1985-02-08T21:10:46.40 10.0 undecidable manual PG 137 0.0029 0.13 1.5
--.MPR.Z. 1985-02-08T21:10:45.00 10.0 negative manual PG 149 0.0022 0.37 2.6
--.FO1.Z. 1985-02-08T21:10:44.50 10.0 undecidable manual SG 352 0.0012 0.02 0.9
--.ZOU.Z. 1985-02-08T21:10:43.00 10.0 positive manual PG 49 0.0013 0.52 2.2
--.FO1.Z. 1985-02-08T21:10:42.30 10.0 negative manual PG 352 0.0012 0.13 3
--.FOA.Z. 1985-02-08T21:10:42.00 10.0 undecidable manual PG 350 0.0011 -0.02 0
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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