Earthquake with magnitude of M 5.1 on date 21-04-1985 and time 08:49:34 (UTC) in region Greece [Sea]

A magnitude M 5.1 earthquake occured in region: Greece [Sea], on

  • 21-04-1985 08:49:34 (UTC)
  • 21-04-1985 10:49:34 (UTC +02:00) Italian time
  • 21-04-1985 11:49:34 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 35.42, 22.68 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 5.1 1985-04-21
08:49:34
35.42 22.69 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 5119
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-04-21 08:49:34 ± 1.039
Latitude 35.42 ± 0.07
Longitude 22.69 ± 0.10
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 5119

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) 11358.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 311
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 54
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) 0.02898
Epicentral distance of station farthest from the epicenter (degree) 0.1296
Number of stations at which the event was observed 41
Number of stations from which data was used for origin computation 41
Magnitude information

M:5.1

Field Value
Value 5.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 5119
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
--.BG1.Z. 1985-04-21T08:55:22.50 10.0 undecidable manual SN 319 0.1284 -1.43 0.2
--.FO1.Z. 1985-04-21T08:55:05.00 10.0 undecidable manual SN 328 0.1208 1.17 0.3
--.CTI.Z. 1985-04-21T08:55:03.50 10.0 undecidable manual SN 324 0.1215 -2.2 0.1
--.AR1.Z. 1985-04-21T08:54:07.00 10.0 undecidable manual SN 318 0.0992 0.19 0.8
--.CM2.Z. 1985-04-21T08:53:59.60 10.0 undecidable manual SN 318 0.0963 0.32 0.8
--.ALP.Z. 1985-04-21T08:53:50.70 10.0 undecidable manual SN 317 0.0917 3.53 0
--.SGG.Z. 1985-04-21T08:53:16.60 10.0 undecidable manual SN? 313 0.0793 2.17 0
--.SOR.Z. 1985-04-21T08:53:01.50 10.0 undecidable manual SN 309 0.0751 -1.84 0.2
--.ROB.Z. 1985-04-21T08:52:59.00 10.0 undecidable manual P 311 0.1296 1.04 0.8
--.BS1.Z. 1985-04-21T08:52:56.50 10.0 undecidable manual SN 312 0.0735 -2.54 0.1
--.CK1.Z. 1985-04-21T08:52:55.00 10.0 undecidable manual PN 312 0.128 -0.54 1.1
--.BG1.Z. 1985-04-21T08:52:54.00 10.0 undecidable manual PN 319 0.1284 -2.13 0.2
--.SAL.Z. 1985-04-21T08:52:48.00 10.0 positive manual PN 320 0.1235 -0.79 2
--.SGO.Z. 1985-04-21T08:52:48.00 10.0 undecidable manual SN 312 0.0697 -1.03 0.4
--.FO1.Z. 1985-04-21T08:52:44.00 10.0 undecidable manual PN 328 0.1208 -0.53 1.1
--.CTI.Z. 1985-04-21T08:52:44.50 10.0 undecidable manual PN 324 0.1215 -1.11 0.8
--.RBL.Z. 1985-04-21T08:52:37.50 10.0 positive manual PN 329 0.1167 -0.93 1.9
--.BD1.Z. 1985-04-21T08:52:36.30 10.0 undecidable manual PN 315 0.114 2.06 0.3
--.FIR.Z. 1985-04-21T08:52:28.00 10.0 undecidable manual PN? 315 0.109 1.33 0.3
--.ORI.Z. 1985-04-21T08:52:24.00 10.0 undecidable manual SN 313 0.0608 -1.49 0.3
--.CH1.Z. 1985-04-21T08:52:21.00 10.0 undecidable manual PN 316 0.1047 0.88 1
--.MA1.Z. 1985-04-21T08:52:16.00 10.0 undecidable manual PN 310 0.1022 -0.25 1.3
--.RCI.Z. 1985-04-21T08:52:13.60 10.0 undecidable manual SN 296 0.0562 0.46 0.6
--.AR1.Z. 1985-04-21T08:52:11.50 10.0 positive manual PN 318 0.0992 -0.11 2.8
--.AS1.Z. 1985-04-21T08:52:11.50 10.0 undecidable manual PN 316 0.0979 1.8 0.5
--.LCI.Z. 1985-04-21T08:52:11.00 10.0 undecidable manual SN 323 0.0548 1.44 0.3
--.CM2.Z. 1985-04-21T08:52:07.30 10.0 undecidable manual PN 318 0.0963 0.04 1.4
--.PO9.Z. 1985-04-21T08:52:05.50 10.0 undecidable manual PN 315 0.0936 2.39 0.2
--.ALP.Z. 1985-04-21T08:52:00.30 10.0 undecidable manual PN 317 0.0917 0.03 1.5
--.RDP.Z. 1985-04-21T08:52:00.00 10.0 undecidable manual PN? 311 0.0903 2 0.1
--.AQU.Z. 1985-04-21T08:51:58.70 10.0 negative manual PN 315 0.09 1.11 1.9
--.SD1.Z. 1985-04-21T08:51:48.00 10.0 undecidable manual PN 313 0.0842 -0.7 1.3
--.DUI.Z. 1985-04-21T08:51:44.00 10.0 undecidable manual PN 315 0.0805 0.81 1.2
--.SGG.Z. 1985-04-21T08:51:41.00 10.0 undecidable manual PN 313 0.0793 -0.37 1.4
--.PT9.Z. 1985-04-21T08:51:38.50 10.0 undecidable manual PN 281 0.0786 -1.75 0.5
--.ERC.Z. 1985-04-21T08:51:37.50 10.0 undecidable manual PN 289 0.0764 0.58 1.3
--.OVO.Z. 1985-04-21T08:51:37.20 10.0 undecidable manual PN 310 0.0761 0.77 1.2
--.SOR.Z. 1985-04-21T08:51:33.60 10.0 undecidable manual PN 309 0.0751 -1.37 0.8
--.BS1.Z. 1985-04-21T08:51:32.10 10.0 undecidable manual PN 312 0.0735 -0.38 1.4
--.TR9.Z. 1985-04-21T08:51:31.20 10.0 undecidable manual PN 314 0.073 -0.45 1.4
--.MS1.Z. 1985-04-21T08:51:30.00 10.0 undecidable manual PN? 320 0.0737 -2.79 0
--.SGO.Z. 1985-04-21T08:51:26.50 10.0 undecidable manual PN 312 0.0697 -0.2 1.5
--.FA1.Z. 1985-04-21T08:51:24.00 10.0 undecidable manual PN 285 0.0673 0.94 1.1
--.GIB.Z. 1985-04-21T08:51:21.50 10.0 negative manual PN 291 0.0665 -0.3 2.9
--.BRT.Z. 1985-04-21T08:51:15.00 10.0 positive manual PN 321 0.0627 -1 2.1
--.CSI.Z. 1985-04-21T08:51:14.80 10.0 undecidable manual PN? 311 0.0601 2.83 0
--.ORI.Z. 1985-04-21T08:51:13.50 10.0 undecidable manual PN 313 0.0608 0.39 1.4
--.PE1.Z. 1985-04-21T08:51:13.00 10.0 negative manual PN 322 0.061 -0.45 2.8
--.ACI.Z. 1985-04-21T08:51:10.10 10.0 undecidable manual PN 308 0.0582 0.95 1.1
--.ROI.Z. 1985-04-21T08:51:08.20 10.0 undecidable manual PN 311 0.0574 0.31 2.9
--.PA1.Z. 1985-04-21T08:51:07.00 10.0 undecidable manual PN 285 0.0581 -2.05 0.3
--.RCI.Z. 1985-04-21T08:51:07.70 10.0 undecidable manual PN 296 0.0562 1.72 0.5
--.LCI.Z. 1985-04-21T08:51:03.50 10.0 undecidable manual PN 323 0.0548 -0.42 1.4
--.VLS.Z. 1985-04-21T08:50:26.00 10.0 undecidable manual PN 328 0.029 1.43 0.7
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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