Earthquake with magnitude of M 4.1 on date 27-03-1986 and time 07:43:10 (UTC) in region Costa Croata Settentrionale (CROAZIA)

A magnitude M 4.1 earthquake occured in region: Costa Croata Settentrionale (CROAZIA), on

  • 27-03-1986 07:43:10 (UTC)
  • 27-03-1986 08:43:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 45.22, 14.87 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

An earthquake occurred to
98 Km E of Trieste (204420 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 M 4.1 1986-03-27
07:43:10
45.22 14.87 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 24969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-03-27 07:43:10 ± 0.146
Latitude 45.22 ± 0.01
Longitude 14.87 ± 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 24969

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) 1968.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 70
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
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) 0.00542
Epicentral distance of station farthest from the epicenter (degree) 0.05359
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitude information

M:4.1

Field Value
Value 4.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 24969
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 Takeoff_angle Residual Weight
--.IMP.Z. 1986-03-27T07:45:22.90 10.0 undecidable manual SN 257 0.0461 -0.53 0.4
--.FIN.Z. 1986-03-27T07:45:16.60 10.0 undecidable manual SN 259 0.0435 0.24 0.6
--.VEA.Z. 1986-03-27T07:44:50.20 10.0 undecidable manual SN 266 0.0334 0.34 0.6
--.MOF.Z. 1986-03-27T07:44:39.20 10.0 undecidable manual PN 298 0.0533 0.8 0.7
--.OHR.Z. 1986-03-27T07:44:39.20 10.0 undecidable manual PN 131 0.0536 0.38 1.1
--.MOX.Z. 1986-03-27T07:44:38.00 10.0 undecidable manual PN 339 0.0525 0.8 0.7
--.SKO.Z. 1986-03-27T07:44:36.80 10.0 undecidable manual PN 121 0.0518 0.79 1.4
--.SBF.Z. 1986-03-27T07:44:32.10 10.0 undecidable manual PN 257 0.0491 0.12 1.3
--.STV.Z. 1986-03-27T07:44:30.60 10.0 undecidable manual PN 262 0.0489 -1.01 0.5
--.ENR.Z. 1986-03-27T07:44:30.30 10.0 undecidable manual PN 261 0.0484 -0.52 1
--.TIR.Z. 1986-03-27T07:44:29.70 10.0 undecidable manual PN 134 0.0478 -0.15 1.4
--.IMP.Z. 1986-03-27T07:44:26.50 10.0 undecidable manual PN 257 0.0461 -0.93 0.6
--.ROB.Z. 1986-03-27T07:44:25.50 10.0 undecidable manual PN 261 0.0454 -0.75 0.8
--.FIN.Z. 1986-03-27T07:44:22.70 10.0 undecidable manual PN 259 0.0435 -0.65 0.9
--.VAI.Z. 1986-03-27T07:44:16.61 10.0 undecidable manual PN 280 0.0388 0.39 1.3
--.TTG.Z. 1986-03-27T07:44:15.60 10.0 undecidable manual PN 129 0.038 0.7 0.9
--.CO9.Z. 1986-03-27T07:44:10.50 10.0 undecidable manual PN 264 0.0346 0.58 1.2
--.SGG.Z. 1986-03-27T07:44:08.50 10.0 undecidable manual PN 185 0.0346 -1.28 0.3
--.VEA.Z. 1986-03-27T07:44:08.80 10.0 undecidable manual PN 266 0.0334 0.76 0.9
--.MDI.Z. 1986-03-27T07:44:07.30 10.0 undecidable manual PN 280 0.0329 0.15 1.7
--.PS9.Z. 1986-03-27T07:44:04.69 10.0 undecidable manual PN 245 0.0309 0.48 1.3
--.BDI.Z. 1986-03-27T07:44:02.50 10.0 undecidable manual PN 250 0.0292 0.47 1.4
--.MNS.Z. 1986-03-27T07:44:00.33 10.0 undecidable manual PN 209 0.0291 -1.15 0.4
--.SAL.Z. 1986-03-27T07:43:59.43 10.0 undecidable manual PN 278 0.0276 0.3 1.6
--.CRE.Z. 1986-03-27T07:43:53.68 10.0 undecidable manual PN 233 0.0236 0.67 1.1
--.CTI.Z. 1986-03-27T07:43:50.80 10.0 undecidable manual PN 291 0.0215 0.93 0.7
--.ARV.Z. 1986-03-27T07:43:46.58 10.0 undecidable manual PN 219 0.0198 -0.61 1.2
--.PRO.Z. 1986-03-27T07:43:43.80 10.0 undecidable manual PN 227 0.0172 0.48 1.3
--.CEY.N. 1986-03-27T07:43:33.30 10.0 undecidable manual SG 329 0.0054 1.04 0.2
--.VOY.Z. 1986-03-27T07:43:30.10 10.0 positive manual PN! 320 0.0095 -1.43 0
--.ZAG.Z. 1986-03-27T07:43:29.80 10.0 positive manual PG 51 0.0089 -0.7 2
--.TRI.Z. 1986-03-27T07:43:28.50 10.0 undecidable manual PG 302 0.0082 -0.5 1.3
--.LJU.Z. 1986-03-27T07:43:27.20 10.0 undecidable manual PG 343 0.0077 -0.74 1
--.CEY.Z. 1986-03-27T07:43:22.60 10.0 undecidable manual PG 329 0.0054 -0.64 2.2
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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