Earthquake with magnitude of M 4.1 on date 11-05-1985 and time 07:29:59 (UTC) in region Greece [Sea]

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

  • 11-05-1985 07:29:59 (UTC)
  • 11-05-1985 09:29:59 (UTC +02:00) Italian time
  • 11-05-1985 10:29:59 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 39.02, 20.9 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

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
Rev 1000 M 4.1 1985-05-11
07:29:59
39.02 20.9 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 6089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-11 07:29:59 ± 0.463
Latitude 39.02 ± 0.03
Longitude 20.90 ± 0.05
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 6089

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) 5004.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 167
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
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) 0.00785
Epicentral distance of station farthest from the epicenter (degree) 0.09236
Number of stations at which the event was observed 34
Number of stations from which data was used for origin computation 34
Magnitude information

M:4.1

Field Value
Value 4.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 6089
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 Takeoff_angle Residual Weight
--.CO9.Z. 1985-05-11T07:32:27.00 10.0 undecidable manual PN 307 0.0924 0.79 0.8
--.FO1.Z. 1985-05-11T07:32:17.00 10.0 undecidable manual PN 324 0.0866 -0.41 1
--.PA1.Z. 1985-05-11T07:32:11.50 10.0 undecidable manual SN 248 0.046 0.31 0.6
--.RBL.Z. 1985-05-11T07:32:10.00 10.0 undecidable manual PN 326 0.0824 -1.03 0.7
--.BD1.Z. 1985-05-11T07:32:10.00 10.0 undecidable manual PN 306 0.0828 -1.59 0.4
--.TRI.Z. 1985-05-11T07:32:01.00 10.0 undecidable manual PN 324 0.0766 -1.08 0.7
--.CH1.Z. 1985-05-11T07:31:57.00 10.0 undecidable manual PN 307 0.0733 -0.02 1.2
--.AS1.Z. 1985-05-11T07:31:48.00 10.0 undecidable manual PN 305 0.0666 1.01 0.8
--.AR1.Z. 1985-05-11T07:31:47.00 10.0 undecidable manual PN 309 0.0671 -0.74 1
--.MNS.Z. 1985-05-11T07:31:43.80 10.0 undecidable manual PN 300 0.0636 1.44 0.5
--.PO9.Z. 1985-05-11T07:31:43.00 10.0 undecidable manual PN 303 0.0628 1.82 0.3
--.CM2.Z. 1985-05-11T07:31:42.60 10.0 undecidable manual PN 307 0.0645 -1.15 0.7
--.ALP.Z. 1985-05-11T07:31:36.60 10.0 undecidable manual PN 306 0.0601 -0.51 2.5
--.AQU.Z. 1985-05-11T07:31:36.50 10.0 undecidable manual PN 302 0.0592 0.86 1
--.FA1.Z. 1985-05-11T07:31:28.50 10.0 undecidable manual PN 254 0.0534 1.68 0.4
--.SD1.Z. 1985-05-11T07:31:28.50 10.0 undecidable manual PN 298 0.0542 0.5 1.3
--.DUI.Z. 1985-05-11T07:31:22.50 10.0 negative manual PN 300 0.0501 0.8 2.3
--.GIB.Z. 1985-05-11T07:31:20.50 10.0 undecidable manual PN? 261 0.0492 0.16 0.6
--.SKO.Z. 1985-05-11T07:31:18.70 10.0 undecidable manual SN 7 0.0268 -1.86 0.1
--.BS1.Z. 1985-05-11T07:31:14.50 10.0 undecidable manual PN 292 0.0448 0.95 1.1
--.PA1.Z. 1985-05-11T07:31:13.00 10.0 undecidable manual PN 248 0.046 -2.42 0.1
--.SGO.Z. 1985-05-11T07:31:09.00 10.0 undecidable manual PN 291 0.041 1.16 0.9
--.MS1.Z. 1985-05-11T07:31:07.50 10.0 undecidable manual PN 306 0.0416 -1.32 0.7
--.CSI.Z. 1985-05-11T07:30:55.10 10.0 undecidable manual PN 283 0.0327 -0.07 1.6
--.ORI.Z. 1985-05-11T07:30:54.50 10.0 undecidable manual PN 287 0.0322 0.05 1.6
--.BRT.Z. 1985-05-11T07:30:52.00 10.0 undecidable manual PN 303 0.0307 -0.18 1.6
--.ROI.Z. 1985-05-11T07:30:51.50 10.0 undecidable manual PN 280 0.0305 -0.35 1.5
--.PE1.Z. 1985-05-11T07:30:48.00 10.0 undecidable manual PN 304 0.0288 -1.27 0.8
--.SKO.Z. 1985-05-11T07:30:47.60 10.0 undecidable manual PN 7 0.0268 1.42 0.6
--.VAY.Z. 1985-05-11T07:30:42.40 10.0 undecidable manual PN 28 0.0236 0.99 1
--.LCI.Z. 1985-05-11T07:30:39.00 10.0 undecidable manual PN 302 0.0226 -0.75 1.2
--.OHR.Z. 1985-05-11T07:30:34.50 10.0 undecidable manual PN 357 0.0188 0.51 1.4
--.VLO.Z. 1985-05-11T07:30:29.80 10.0 undecidable manual PN 323 0.0162 -0.24 1.6
--.KBN.Z. 1985-05-11T07:30:28.30 10.0 undecidable manual PN 356 0.0144 0.98 1
--.KZN.Z. 1985-05-11T07:30:23.90 10.0 undecidable manual PN 27 0.013 -1.31 0.7
--.VLS.Z. 1985-05-11T07:30:16.30 10.0 undecidable manual PG 195 0.0079 -0.24 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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