Earthquake with magnitude of M 4.3 on date 13-04-1986 and time 07:46:20 (UTC) in region Costa Greca Ionica (GRECIA)

A magnitude M 4.3 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 13-04-1986 07:46:20 (UTC)
  • 13-04-1986 09:46:20 (UTC +02:00) Italian time
  • 13-04-1986 10:46:20 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.46, 20.84 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 4.3 1986-04-13
07:46:20
38.46 20.84 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 25619
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-04-13 07:46:20 ± 0.664
Latitude 38.46 ± 0.06
Longitude 20.84 ± 0.04
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 25619

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) 7419.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 187
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 1
Epicentral distance of station closest to the epicenter (degree) 0.014
Epicentral distance of station farthest from the epicenter (degree) 0.08645
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitude information

M:4.3

Field Value
Value 4.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 25619
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
--.RBL.Z. 1986-04-13T07:48:37.00 10.0 undecidable manual PN 328 0.0865 -1.37 0.5
--.VOY.Z. 1986-04-13T07:48:30.30 10.0 undecidable manual PN 327 0.0823 -1.7 0.4
--.CEY.Z. 1986-04-13T07:48:23.90 10.0 undecidable manual PN 328 0.0782 -1.85 0.3
--.ASS.Z. 1986-04-13T07:48:14.00 10.0 undecidable manual PN 308 0.0695 1.6 0.5
--.MNS.Z. 1986-04-13T07:48:09.00 10.0 undecidable manual PN 304 0.0661 1.75 0.4
--.SD1.Z. 1986-04-13T07:47:53.50 10.0 undecidable manual PN 302 0.0565 0.83 1.1
--.GIB.Z. 1986-04-13T07:47:41.50 10.0 undecidable manual PN 266 0.0483 1.32 0.8
--.SGO.Z. 1986-04-13T07:47:33.50 10.0 undecidable manual PN 297 0.0427 1.77 0.5
--.MG9.Z. 1986-04-13T07:47:28.00 10.0 undecidable manual PN 293 0.0397 0.88 1.2
--.PRK.Z. 1986-04-13T07:47:25.00 10.0 undecidable manual PN 77 0.0386 -0.43 1.5
--.CDM.Z. 1986-04-13T07:47:25.50 10.0 undecidable manual PN 307 0.0393 -1.06 1.1
--.BCI.Z. 1986-04-13T07:47:21.70 10.0 undecidable manual PN 351 0.0355 1.03 1.1
--.ORI.Z. 1986-04-13T07:47:18.00 10.0 undecidable manual PN 295 0.0338 -0.03 1.6
--.SDA.Z. 1986-04-13T07:47:16.70 10.0 undecidable manual PN 343 0.0333 -0.54 1.4
--.SO9.Z. 1986-04-13T07:47:16.50 10.0 undecidable manual PN 265 0.0339 -1.79 0.5
--.BRT.Z. 1986-04-13T07:47:16.50 10.0 undecidable manual PN 310 0.0335 -1.13 1
--.SKO.Z. 1986-04-13T07:47:15.00 10.0 undecidable manual PN 6 0.0318 -0.05 1.6
--.GR9.Z. 1986-04-13T07:47:13.50 10.0 undecidable manual PN 276 0.0312 -0.49 1.5
--.PHP.Z. 1986-04-13T07:47:12.30 10.0 undecidable manual PN 354 0.0291 1.35 0.8
--.VAY.Z. 1986-04-13T07:47:09.40 10.0 undecidable manual PN 23 0.0283 -0.32 1.5
--.TIR.Z. 1986-04-13T07:47:07.80 10.0 undecidable manual PN 345 0.0268 0.41 1.5
--.LCI.Z. 1986-04-13T07:47:04.00 10.0 undecidable manual PN 311 0.0253 -1.18 1
--.OHR.Z. 1986-04-13T07:47:01.20 10.0 undecidable manual PN 358 0.0238 -1.64 0.6
--.KBN.Z. 1986-04-13T07:46:57.80 10.0 undecidable manual PN 358 0.0194 1.65 0.6
--.KZN.Z. 1986-04-13T07:46:54.70 10.0 undecidable manual PN 20 0.0178 1.06 1.1
--.SRN.Z. 1986-04-13T07:46:47.80 10.0 undecidable manual PN 335 0.014 -0.11 1.6
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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