Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of M 4.0 on date 01-01-1986 and time 17:52:28 (UTC) in region Greece

A magnitude M 4.0 earthquake occured in region: Greece, on

  • 01-01-1986 17:52:28 (UTC)
  • 01-01-1986 18:52:28 (UTC +01:00) Italian time
  • 01-01-1986 19:52:28 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.5190, 22.1840 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 4.0 1986-01-01
17:52:28		 38.519 22.184 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 19339
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-01-01 17:52:28 ± 1.259
Latitude 38.5190 ± 0.0782
Longitude 22.1840 ± 0.0905
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 19339

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) 11730.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 251
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
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) 0.02517
Epicentral distance of station farthest from the epicenter (degree) 0.11098
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitude information

M:4.0

Field Value
Value 4.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 19339
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
--.CO9.Z. 1986-01-01T17:57:10.00 10.0 undecidable manual SN 306 11.3442 0.94 0.3
--.CTI.Z. 1986-01-01T17:56:55.00 10.0 undecidable manual SN 316 10.8114 -1.06 0.3
--.VAI.Z. 1986-01-01T17:55:22.50 10.0 undecidable manual PN 310 12.321 -1.22 0.7
--.CO9.Z. 1986-01-01T17:55:11.50 10.0 undecidable manual PN 306 11.3442 1.1 0.8
--.PZI.Z. 1986-01-01T17:55:01.00 10.0 undecidable manual SN 256 5.883 1.95 0.1
--.CTI.Z. 1986-01-01T17:55:00.00 10.0 undecidable manual PN! 316 10.8114 -2.9 0
--.FO1.Z. 1986-01-01T17:54:59.00 10.0 undecidable manual PN 321 10.6116 -1.2 0.7
--.BDI.Z. 1986-01-01T17:54:56.00 10.0 undecidable manual PN 305 10.3008 0.16 1.3
--.RBL.Z. 1986-01-01T17:54:54.00 10.0 undecidable manual PN 323 10.1232 0.4 1.3
--.CRE.Z. 1986-01-01T17:54:41.00 10.0 undecidable manual PN 305 9.2241 -0.16 1.4
--.ASS.Z. 1986-01-01T17:54:32.50 10.0 undecidable manual PN 304 8.5137 1.21 0.8
--.ARV.Z. 1986-01-01T17:54:30.00 10.0 undecidable manual PN 307 8.547 -1.84 0.4
--.MNS.Z. 1986-01-01T17:54:28.50 10.0 undecidable manual PN 300 8.1807 1.7 0.4
--.RDP.Z. 1986-01-01T17:54:23.50 10.0 undecidable manual PN 296 7.9032 0.41 1.5
--.AQU.Z. 1986-01-01T17:54:22.00 10.0 undecidable manual PN 301 7.6812 1.96 0.3
--.SD1.Z. 1986-01-01T17:54:13.50 10.0 undecidable manual PN 298 7.1373 1.03 1
--.MSC.Z. 1986-01-01T17:54:08.00 10.0 undecidable manual PN 294 6.8265 -0.27 1.6
--.SGG.Z. 1986-01-01T17:54:06.30 10.0 undecidable manual PN 297 6.6267 0.95 1.1
--.OVO.Z. 1986-01-01T17:54:02.90 10.0 undecidable manual PN 292 6.4047 0.46 1.5
--.SOR.Z. 1986-01-01T17:54:01.10 10.0 undecidable manual PN 290 6.3825 -0.95 1.1
--.TR9.Z. 1986-01-01T17:53:55.00 10.0 undecidable manual PN 296 5.8941 -0.44 1.5
--.PZI.Z. 1986-01-01T17:53:54.00 10.0 undecidable manual PN 256 5.883 -1.34 0.8
--.SGO.Z. 1986-01-01T17:53:53.00 10.0 undecidable manual PN 292 5.6721 0.71 1.3
--.MS1.Z. 1986-01-01T17:53:50.70 10.0 undecidable manual PN 304 5.7276 -2.38 0.2
--.ORI.Z. 1986-01-01T17:53:40.00 10.0 undecidable manual PN 289 4.6953 1.18 0.9
--.BAI.Z. 1986-01-01T17:53:39.50 10.0 positive manual PN 303 4.8174 -1.07 2
--.BRT.Z. 1986-01-01T17:53:36.00 10.0 undecidable manual PN 302 4.5177 -0.55 1.5
--.PE1.Z. 1986-01-01T17:53:33.00 10.0 undecidable manual PN 302 4.3068 -0.61 1.4
--.LCI.Z. 1986-01-01T17:53:23.50 10.0 undecidable manual PN 300 3.6186 -0.67 1.4
--.SKO.Z. 1986-01-01T17:53:22.50 10.0 undecidable manual PN 349 3.4854 0.13 1.6
--.OHR.Z. 1986-01-01T17:53:13.40 10.0 undecidable manual PN 337 2.7972 0.6 1.4
--.VAY.Z. 1986-01-01T17:53:13.80 10.0 undecidable manual PN 5 2.8083 0.79 1.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download