Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of M 4.1 on date 27-10-1985 and time 17:07:34 (Italy) in region Greece [Land]

A magnitude M 4.1 earthquake occured in region: Greece [Land], on

  • 27-10-1985 16:07:34 (UTC)
  • 27-10-1985 17:07:34 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 40.0310, 20.8870 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.

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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 4.1 1985-10-27
16:07:34		 40.031 20.887 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 15069
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-10-27 16:07:34 ± 0.318
Latitude 40.0310 ± 0.0270
Longitude 20.8870 ± 0.0298
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 15069

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) 3926.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
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) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00656
Epicentral distance of station farthest from the epicenter (degree) 0.08127
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitude information

M:4.1

Field Value
Value 4.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 15069
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 09:54:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CTI.Z. 1985-10-27T16:09:43.00 10.0 undecidable manual PN 315 9.0243 -1.62 0.3
--.RBL.Z. 1985-10-27T16:09:34.00 10.0 undecidable manual PN 323 8.325 -0.96 0.7
--.VOY.Z. 1985-10-27T16:09:27.60 10.0 undecidable manual PN 322 7.8699 -1.12 0.7
--.LJU.Z. 1985-10-27T16:09:24.10 10.0 undecidable manual PN 325 7.5813 -0.74 0.9
--.CEY.Z. 1985-10-27T16:09:21.40 10.0 undecidable manual PN 323 7.4037 -0.9 0.8
--.AS1.Z. 1985-10-27T16:09:15.50 10.0 undecidable manual PN 299 6.8598 0.74 0.9
--.MNS.Z. 1985-10-27T16:09:13.00 10.0 undecidable manual PN 294 6.5934 1.82 0.3
--.SD1.Z. 1985-10-27T16:08:57.50 10.0 undecidable manual PN 290 5.5944 0.02 1.4
--.SGG.Z. 1985-10-27T16:08:51.90 10.0 undecidable manual PN 288 5.106 1.17 0.8
--.DUI.Z. 1985-10-27T16:08:51.00 10.0 undecidable manual PN 291 5.1171 0.1 1.4
--.BEO.Z. 1985-10-27T16:08:48.00 10.0 undecidable manual PN 356 4.7841 1.58 0.5
--.SOR.Z. 1985-10-27T16:08:48.10 10.0 undecidable manual PN 278 5.0172 -1.39 0.6
--.TR9.Z. 1985-10-27T16:08:42.20 10.0 undecidable manual PN 285 4.4067 1.05 0.9
--.SAR.Z. 1985-10-27T16:08:39.10 10.0 undecidable manual PN 335 4.2402 0.16 1.6
--.SGO.Z. 1985-10-27T16:08:39.50 10.0 undecidable manual PN 279 4.2735 0.13 1.6
--.DR2.Z. 1985-10-27T16:08:35.50 10.0 undecidable manual PN 252 4.0626 -0.96 1.1
--.MMN.Z. 1985-10-27T16:08:32.50 10.0 undecidable manual PN 269 3.7518 0.43 1.5
--.PLE.Z. 1985-10-27T16:08:30.00 10.0 undecidable manual PN 342 3.4632 1.67 0.4
--.CSI.Z. 1985-10-27T16:08:29.50 10.0 undecidable manual PN 268 3.5187 0.49 1.5
--.ORI.Z. 1985-10-27T16:08:27.00 10.0 undecidable manual PN 272 3.3855 -0.21 1.6
--.ROI.Z. 1985-10-27T16:08:27.00 10.0 undecidable manual PN 264 3.3411 0.48 1.5
--.BRY.Z. 1985-10-27T16:08:27.00 10.0 undecidable manual PN 329 3.3522 0.29 1.6
--.ATH.Z. 1985-10-27T16:08:23.50 10.0 undecidable manual PN 132 2.997 1.62 0.5
--.BRT.Z. 1985-10-27T16:08:20.50 10.0 undecidable manual PN 288 2.9526 -0.76 1.3
--.TTG.Z. 1985-10-27T16:08:18.20 10.0 undecidable manual PN 334 2.6862 0.7 1.3
--.BDV.Z. 1985-10-27T16:08:18.00 10.0 undecidable manual PN 326 2.7195 -0.07 1.6
--.OHR.Z. 1985-10-27T16:08:11.50 10.0 undecidable manual SN 357 1.0767 0.8 0.5
--.LCI.Z. 1985-10-27T16:08:09.00 10.0 undecidable manual PN 279 2.1312 -0.93 1.1
--.SKO.Z. 1985-10-27T16:08:08.20 10.0 undecidable manual PN 12 1.9758 0.41 1.5
--.VLS.Z. 1985-10-27T16:08:05.50 10.0 undecidable manual PN 187 1.8648 -0.69 1.3
--.VAY.Z. 1985-10-27T16:08:05.40 10.0 undecidable manual PN 44 1.8093 -0.05 1.6
--.KZN.Z. 1985-10-27T16:08:00.60 10.0 undecidable manual SG 68 0.7326 0.78 0.5
--.OHR.Z. 1985-10-27T16:07:53.10 10.0 undecidable manual PN 357 1.0767 -2.3 0.2
--.KZN.Z. 1985-10-27T16:07:47.10 10.0 undecidable manual PG 68 0.7326 -2.02 0.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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