Earthquake with magnitude of Md 2.7 on date 27-11-1985 and time 23:38:13 (UTC) in region 4 km E Rigolato (UD)

A magnitude Md 2.7 earthquake occured in region: 4 km E Rigolato (UD), on

  • 27-11-1985 23:38:13 (UTC)
  • 28-11-1985 00:38:13 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 46.56, 12.9 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
Rigolato UD 4 448 448
Ravascletto UD 4 536 984
Comeglians UD 6 516 1500
Cercivento UD 8 679 2179
Ovaro UD 9 1922 4101
Sutrio UD 9 1332 5433
Prato Carnico UD 9 904 6337
Paluzza UD 10 2217 8554
Forni Avoltri UD 10 588 9142
Treppo Carnico UD 11 618 9760
Arta Terme UD 14 2171 11931
Ligosullo UD 14 116 12047
Raveo UD 14 458 12505
Zuglio UD 15 595 13100
Lauco UD 15 729 13829
Villa Santina UD 16 2233 16062
Sappada BL 16 1317 17379
Enemonzo UD 17 1319 18698
Paularo UD 17 2623 21321
Ampezzo UD 18 1006 22327
Sauris UD 18 416 22743
Socchieve UD 18 908 23651
Preone UD 18 246 23897
Tolmezzo UD 19 10440 34337

Municipalities with at least 50000 inhabitants

An earthquake occurred to
61 Km NW of Udine (99169 inhabitants)
70 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 2.7 1985-11-27
23:38:13
46.56 12.9 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 16969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-11-27 23:38:13 ± 0.358
Latitude 46.56 ± 0.05
Longitude 12.90 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 16969

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) 5620.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 171
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00073
Epicentral distance of station farthest from the epicenter (degree) 0.01708
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:2.7

Field Value
Value 2.7
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 16969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:19:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.LJU.N. 1985-11-27T23:38:53.80 10.0 undecidable manual SN 113 0.0111 0.03 0.6
--.TRI.Z. 1985-11-27T23:38:49.00 10.0 undecidable manual SN 144 0.0093 -0.09 0.7
--.SAL.Z. 1985-11-27T23:38:47.00 10.0 undecidable manual PN 240 0.0171 0.98 0.5
--.CEY.Z. 1985-11-27T23:38:38.90 10.0 undecidable manual PN 127 0.012 0.59 2.2
--.LJU.Z. 1985-11-27T23:38:37.80 10.0 undecidable manual PN 113 0.0111 0.89 0.8
--.TRI.Z. 1985-11-27T23:38:33.50 10.0 undecidable manual PN 144 0.0093 -0.7 1.1
--.CTI.Z. 1985-11-27T23:38:32.70 10.0 undecidable manual PG 239 0.009 -0.86 0.9
--.RBL.Z. 1985-11-27T23:38:22.50 10.0 undecidable manual PG 104 0.0042 -1.27 0.4
--.FO1.Z. 1985-11-27T23:38:16.50 10.0 undecidable manual PG 292 0.0007 -0.18 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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