Earthquake with magnitude of M 3.1 on date 25-11-1985 and time 23:06:27 (Italy) in region Montenegro [Land]

A magnitude M 3.1 earthquake occured in region: Montenegro [Land], on

  • 25-11-1985 22:06:27 (UTC)
  • 25-11-1985 23:06:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8580, 20.2240 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

No Italian municipalities within 100 km from the epicenter with at least 50000 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
Bulletin
Rev1000
M 3.1 1985-11-25
22:06:27
42.858 20.224 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 16839
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-11-25 22:06:27 ± 0.564
Latitude 42.8580 ± 0.0398
Longitude 20.2240 ± 0.0413
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 16839

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) 5561.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 218
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00283
Epicentral distance of station farthest from the epicenter (degree) 0.04112
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

M:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 16839
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:23:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGG.Z. 1985-11-25T22:08:26.10 10.0 undecidable manual SN 253 4.5621 -0.3 0.3
--.SGG.Z. 1985-11-25T22:07:36.10 10.0 undecidable manual PN 253 4.5621 0.1 0.9
--.SGO.Z. 1985-11-25T22:07:31.00 10.0 undecidable manual PN 239 4.3179 -1.6 0.3
--.TR9.Z. 1985-11-25T22:07:30.10 10.0 undecidable manual PN 245 4.1292 0.22 0.9
--.ORI.Z. 1985-11-25T22:07:28.00 10.0 undecidable manual PN 226 3.9849 0.08 1
--.LCI.Z. 1985-11-25T22:07:16.00 10.0 undecidable manual PN 212 2.9637 1.95 0.2
--.BRT.Z. 1985-11-25T22:07:15.00 10.0 undecidable manual PN 229 3.0192 0.22 1.1
--.BRY.Z. 1985-11-25T22:07:08.50 10.0 undecidable manual SN 272 1.221 1.6 0.2
--.VAY.Z. 1985-11-25T22:07:06.60 10.0 undecidable manual PN 130 2.3199 1.53 0.9
--.NKY.Z. 1985-11-25T22:06:59.20 10.0 undecidable manual SG 267 0.888 1.27 0.4
--.BRY.Z. 1985-11-25T22:06:50.00 10.0 undecidable manual PN 272 1.221 -0.09 2.6
--.SKO.Z. 1985-11-25T22:06:49.00 10.0 undecidable manual PN 134 1.2543 -1.51 0.9
--.NKY.Z. 1985-11-25T22:06:44.00 10.0 undecidable manual PG 267 0.888 -0.92 1.8
--.PVY.Z. 1985-11-25T22:06:39.00 10.0 undecidable manual SG 214 0.3108 -0.37 0.7
--.PVY.Z. 1985-11-25T22:06:34.00 10.0 undecidable manual PG 214 0.3108 -0.2 2.6
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download