Earthquake with magnitude of M 3.9 on date 10-03-1985 and time 16:10:12 (UTC) in region Greece [Land]

A magnitude M 3.9 earthquake occured in region: Greece [Land], on

  • 10-03-1985 16:10:12 (UTC)
  • 10-03-1985 17:10:12 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.5, 20.67 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 3.9 1985-03-10
16:10:12
39.5 20.67 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 3159
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1985-03-10 16:10:12 ± 0.41
Latitude 39.50 ± 0.03
Longitude 20.67 ± 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 3159

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) 5564.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
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) 0.00575
Epicentral distance of station farthest from the epicenter (degree) 0.04468
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

M:3.9

Field Value
Value 3.9
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 3159
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
--.SOR.Z. 1985-03-10T16:11:26.60 10.0 undecidable manual PN 284 0.0447 0.02 0.9
--.SGO.Z. 1985-03-10T16:11:16.50 10.0 undecidable manual PN 285 0.0381 -0.09 1
--.ORI.Z. 1985-03-10T16:11:03.00 10.0 undecidable manual PN 280 0.0296 -0.62 1
--.ATH.Z. 1985-03-10T16:10:58.30 10.0 undecidable manual PN 121 0.0253 1.21 0.6
--.SDA.Z. 1985-03-10T16:10:56.50 10.0 undecidable manual PN 340 0.024 1.46 0.5
--.SKO.Z. 1985-03-10T16:10:54.00 10.0 undecidable manual PN 12 0.0228 0.73 1.1
--.VAY.Z. 1985-03-10T16:10:48.40 10.0 undecidable manual PN 37 0.0209 -1.91 0.2
--.TIR.Z. 1985-03-10T16:10:47.00 10.0 undecidable manual PN 341 0.0175 1.86 0.3
--.OHR.Z. 1985-03-10T16:10:40.00 10.0 undecidable manual PN 2 0.0145 -0.57 1.2
--.VLO.Z. 1985-03-10T16:10:36.60 10.0 undecidable manual PN 317 0.0119 0.02 1.4
--.VLS.Z. 1985-03-10T16:10:36.00 10.0 undecidable manual PN 182 0.0118 -0.5 1.3
--.KBN.Z. 1985-03-10T16:10:32.60 10.0 undecidable manual PN 3 0.0101 -1.29 0.6
--.SRN.Z. 1985-03-10T16:10:25.10 10.0 positive manual PG 306 0.0057 -0.27 2.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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