Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of M 4.3 on date 28-05-1985 and time 04:36:24 (UTC) in region Crete, Greece [Sea: Greece]

A magnitude M 4.3 earthquake occured in region: Crete, Greece [Sea: Greece], on

  • 28-05-1985 04:36:24 (UTC)
  • 28-05-1985 06:36:24 (UTC +02:00) Italian time
  • 28-05-1985 07:36:24 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 35.6780, 23.6410 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 4.3 1985-05-28
04:36:24		 35.678 23.641 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 7409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-05-28 04:36:24 ± 0.574
Latitude 35.6780 ± 0.0596
Longitude 23.6410 ± 0.0362
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 7409

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) 7390.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 179
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.01489
Epicentral distance of station farthest from the epicenter (degree) 0.14360
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitude information

M:4.3

Field Value
Value 4.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 7409
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
--.BN9.Z. 1985-05-28T04:40:10.00 10.0 undecidable manual P 313 0.1436 0.34 1
--.CK1.Z. 1985-05-28T04:39:50.50 10.0 undecidable manual P 313 0.1319 -1.17 0.5
--.BVT.Z. 1985-05-28T04:39:40.00 10.0 undecidable manual PN 315 0.1238 0.57 0.9
--.RBL.Z. 1985-05-28T04:39:31.00 10.0 undecidable manual PN 329 0.1186 -0.47 1
--.BRT.Z. 1985-05-28T04:39:30.00 10.0 undecidable manual SN 318 0.0655 1.93 0.1
--.PA1.Z. 1985-05-28T04:39:26.00 10.0 undecidable manual SN 284 0.0644 1.01 0.5
--.TRI.Z. 1985-05-28T04:39:21.00 10.0 undecidable manual PN 327 0.1127 -1.47 0.3
--.CH1.Z. 1985-05-28T04:39:17.00 10.0 undecidable manual PN 316 0.1081 1.54 0.3
--.AR1.Z. 1985-05-28T04:39:06.00 10.0 undecidable manual PN 318 0.1023 -0.59 1
--.CM2.Z. 1985-05-28T04:39:02.90 10.0 undecidable manual PN 317 0.0995 0.55 1.1
--.PO9.Z. 1985-05-28T04:39:00.10 10.0 undecidable manual PN 314 0.0971 1.39 0.4
--.ALP.Z. 1985-05-28T04:38:55.90 10.0 undecidable manual PN 316 0.0950 0.47 1.1
--.SD1.Z. 1985-05-28T04:38:44.00 10.0 undecidable manual PN 312 0.0878 -0.53 1.1
--.DUI.Z. 1985-05-28T04:38:39.00 10.0 positive manual PN 314 0.0840 0.26 2.7
--.MSC.Z. 1985-05-28T04:38:38.60 10.0 undecidable manual PN 310 0.0843 -0.55 1.1
--.SGG.Z. 1985-05-28T04:38:37.00 10.0 positive manual PN 312 0.0830 -0.18 1.4
--.SOR.Z. 1985-05-28T04:38:30.90 10.0 positive manual PN 308 0.0792 -0.59 1.1
--.BS1.Z. 1985-05-28T04:38:28.00 10.0 undecidable manual PN 310 0.0774 -0.59 1.1
--.TR9.Z. 1985-05-28T04:38:27.80 10.0 undecidable manual PN 313 0.0765 0.51 1.2
--.MS1.Z. 1985-05-28T04:38:26.00 10.0 undecidable manual PN 318 0.0766 -1.41 0.4
--.SGO.Z. 1985-05-28T04:38:23.50 10.0 negative manual PN 310 0.0735 0.75 2
--.GIB.Z. 1985-05-28T04:38:21.00 10.0 undecidable manual PN 290 0.0722 0.24 1.4
--.BAI.Z. 1985-05-28T04:38:14.00 10.0 undecidable manual PN 319 0.0682 -0.72 1
--.BRT.Z. 1985-05-28T04:38:09.60 10.0 negative manual PN 318 0.0655 -0.88 1.8
--.PA1.Z. 1985-05-28T04:38:07.00 10.0 undecidable manual PN 284 0.0644 -1.7 0.2
--.LCI.Z. 1985-05-28T04:37:58.20 10.0 undecidable manual PN 319 0.0574 0.11 1.4
--.PRK.Z. 1985-05-28T04:37:27.00 10.0 undecidable manual PN 30 0.0372 -0.25 1.4
--.VLS.Z. 1985-05-28T04:37:20.50 10.0 undecidable manual PN 317 0.0314 2.02 0.1
--.ATH.Z. 1985-05-28T04:37:02.00 10.0 undecidable manual PN 2 0.0206 -0.04 1.4
--.NPS.Z. 1985-05-28T04:36:54.00 10.0 undecidable manual PN 105 0.0149 0.71 1
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