Earthquake with magnitude of M 4.0 on date 13-01-1986 and time 23:09:52 (Italy) in region Southern Greece [Land: Greece]

A magnitude M 4.0 earthquake occured in region: Southern Greece [Land: Greece], on

  • 13-01-1986 22:09:52 (UTC)
  • 13-01-1986 23:09:52 (UTC +01:00) Italian time
  • 14-01-1986 00:09:52 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.78, 22.58 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 4.0 1986-01-13
22:09:52
37.78 22.58 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 20329
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-01-13 22:09:52 ± 0.956
Latitude 37.78 ± 0.07
Longitude 22.58 ± 0.09
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 20329

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) 10411.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 303
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
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) 0.03869
Epicentral distance of station farthest from the epicenter (degree) 0.09406
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

M:4

Field Value
Value 4
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 20329
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
--.MSC.Z. 1986-01-13T22:13:00.50 10.0 undecidable manual SN 297 0.067 0.13 0.6
--.SGG.Z. 1986-01-13T22:12:55.90 10.0 undecidable manual SN 299 0.0653 0.07 0.6
--.VOY.Z. 1986-01-13T22:12:21.70 10.0 undecidable manual PN 321 0.0941 -0.55 1
--.CEY.Z. 1986-01-13T22:12:15.40 10.0 undecidable manual PN 322 0.0899 -0.49 1.1
--.SD1.Z. 1986-01-13T22:11:46.50 10.0 undecidable manual PN 300 0.0701 0.88 1
--.LCI.Z. 1986-01-13T22:11:44.50 10.0 undecidable manual SN 304 0.0387 -0.84 0.4
--.MSC.Z. 1986-01-13T22:11:42.70 10.0 undecidable manual PN 297 0.067 1.67 0.3
--.SGG.Z. 1986-01-13T22:11:40.20 10.0 undecidable manual PN 299 0.0653 1.8 0.2
--.FAI.Z. 1986-01-13T22:11:35.00 10.0 undecidable manual PN 265 0.0636 -0.85 1
--.SOR.Z. 1986-01-13T22:11:33.00 10.0 undecidable manual PN 293 0.0627 -1.32 0.5
--.TR9.Z. 1986-01-13T22:11:28.10 10.0 undecidable manual PN 299 0.0588 -0.35 1.5
--.SGO.Z. 1986-01-13T22:11:25.50 10.0 undecidable manual PN 295 0.0564 0.67 1.3
--.BAI.Z. 1986-01-13T22:11:14.00 10.0 undecidable manual PN 305 0.0495 -0.3 1.5
--.ORI.Z. 1986-01-13T22:11:12.00 10.0 undecidable manual PN 294 0.0474 0.85 1.1
--.BRT.Z. 1986-01-13T22:11:10.50 10.0 undecidable manual PN 305 0.0469 0.32 1.6
--.PE1.Z. 1986-01-13T22:11:06.50 10.0 undecidable manual PN 305 0.0449 -0.8 1
--.GR9.Z. 1986-01-13T22:11:06.00 10.0 undecidable manual PN 281 0.0444 -0.37 1.5
--.LCI.Z. 1986-01-13T22:10:58.00 10.0 undecidable manual PN 304 0.0387 0.29 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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