Earthquake with magnitude of Md 2.1 on date 13-02-1985 and time 18:56:19 (Italy) in region 5 km E Sauris (UD)

A magnitude Md 2.1 earthquake occured in region: 5 km E Sauris (UD), on

  • 13-02-1985 17:56:19 (UTC)
  • 13-02-1985 18:56:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.48, 12.77 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
Sauris UD 5 416 416
Prato Carnico UD 5 904 1320
Ampezzo UD 7 1006 2326
Ovaro UD 7 1922 4248
Comeglians UD 9 516 4764
Raveo UD 9 458 5222
Socchieve UD 9 908 6130
Rigolato UD 10 448 6578
Enemonzo UD 11 1319 7897
Sappada BL 12 1317 9214
Forni Avoltri UD 12 588 9802
Preone UD 12 246 10048
Forni di Sotto UD 12 600 10648
Ravascletto UD 13 536 11184
Villa Santina UD 14 2233 13417
Lauco UD 14 729 14146
Forni di Sopra UD 16 993 15139
San Pietro di Cadore BL 17 1624 16763
Sutrio UD 17 1332 18095
Cercivento UD 18 679 18774
Tramonti di Sopra PN 19 321 19095
Santo Stefano di Cadore BL 19 2609 21704
Arta Terme UD 20 2171 23875
Paluzza UD 20 2217 26092
Zuglio UD 20 595 26687
Verzegnis UD 20 863 27550

Municipalities with at least 50000 inhabitants

An earthquake occurred to
59 Km NW of Udine (99169 inhabitants)
59 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 2.1
M 2.2
1985-02-13
17:56:19
46.48 12.77 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 1629
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-02-13 17:56:19 ± 0.258
Latitude 46.48 ± 0.01
Longitude 12.77 ± 0.02
Depth (km) 10 ± 7 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 1629

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) 1737.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00097
Epicentral distance of station farthest from the epicenter (degree) 0.00364
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 1629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:06:42

M:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1629
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:39:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.BAD.Z. 1985-02-13T17:56:34.70 10.0 undecidable manual SG 126 0.0036 0.38 0.2
--.RCL.Z. 1985-02-13T17:56:31.50 10.0 undecidable manual SG 194 0.0029 -0.33 0.3
--.BOO.Z. 1985-02-13T17:56:30.00 10.0 undecidable manual SG 125 0.0024 -0.17 0.7
--.MPR.Z. 1985-02-13T17:56:30.20 10.0 undecidable manual SG 147 0.0025 -0.09 0.6
--.BAD.Z. 1985-02-13T17:56:28.20 10.0 negative manual PG 126 0.0036 0.22 1.7
--.RCL.Z. 1985-02-13T17:56:26.40 10.0 undecidable manual PG 194 0.0029 -0.14 1.2
--.MPR.Z. 1985-02-13T17:56:25.50 10.0 undecidable manual PG 147 0.0025 -0.15 1.3
--.ZOU.Z. 1985-02-13T17:56:25.70 10.0 undecidable manual SG 61 0.0014 -0.65 0
--.BOO.Z. 1985-02-13T17:56:25.30 10.0 undecidable manual PG 125 0.0024 -0.29 0.8
--.FO1.Z. 1985-02-13T17:56:24.50 10.0 undecidable manual SG 3 0.001 -0.42 0.3
--.ZOU.Z. 1985-02-13T17:56:23.40 10.0 positive manual PG 61 0.0014 0.02 3.1
--.FO1.Z. 1985-02-13T17:56:22.80 10.0 undecidable manual PG 3 0.001 0.25 2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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