Earthquake with magnitude of M 4.3 on date 05-08-1986 and time 10:50:55 (UTC) in region Costa Occidentale Peloponneso (GRECIA)

A magnitude M 4.3 earthquake occured in region: Costa Occidentale Peloponneso (GRECIA), on

  • 05-08-1986 10:50:55 (UTC)
  • 05-08-1986 12:50:55 (UTC +02:00) Italian time
  • 05-08-1986 13:50:55 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.51, 20.53 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 1986-08-05
10:50:55
37.51 20.53 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 32269
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-08-05 10:50:55 ± 0.47
Latitude 37.51 ± 0.04
Longitude 20.53 ± 0.03
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 32269

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) 4954
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
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) 0.00599
Epicentral distance of station farthest from the epicenter (degree) 0.09916
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:4.3

Field Value
Value 4.3
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 32269
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
--.SAL.Z. 1986-08-05T10:53:32.00 10.0 undecidable manual PN 320 0.0992 -0.47 0.8
--.CEY.Z. 1986-08-05T10:53:10.80 10.0 undecidable manual PN 333 0.0846 0.5 0.9
--.GIB.Z. 1986-08-05T10:53:10.00 10.0 undecidable manual SN 277 0.0464 1.7 0.1
--.CRE.Z. 1986-08-05T10:53:04.00 10.0 undecidable manual PN 316 0.0803 0.25 1.1
--.ARV.Z. 1986-08-05T10:52:56.50 10.0 undecidable manual PN 318 0.0747 1.22 0.5
--.ASS.Z. 1986-08-05T10:52:54.50 10.0 undecidable manual PN 315 0.0736 1.05 0.6
--.SAR.Z. 1986-08-05T10:52:31.20 10.0 undecidable manual PN 346 0.059 -0.02 1.3
--.SO9.Z. 1986-08-05T10:52:30.00 10.0 undecidable manual SN 280 0.0321 -0.68 0.5
--.SGG.Z. 1986-08-05T10:52:27.10 10.0 undecidable manual PN 311 0.0551 1.79 0.2
--.SOR.Z. 1986-08-05T10:52:20.30 10.0 undecidable manual PN 304 0.0513 0.79 1
--.FAI.Z. 1986-08-05T10:52:16.50 10.0 undecidable manual PN 269 0.049 0.48 1.3
--.TR9.Z. 1986-08-05T10:52:15.40 10.0 undecidable manual PN 312 0.0486 -0.11 1.5
--.GIB.Z. 1986-08-05T10:52:13.00 10.0 undecidable manual PN 277 0.0464 0.97 0.9
--.PVY.Z. 1986-08-05T10:52:11.50 10.0 undecidable manual PN 355 0.0459 0.27 1.5
--.SGO.Z. 1986-08-05T10:52:11.00 10.0 undecidable manual PN 308 0.0456 0.18 1.5
--.TTG.Z. 1986-08-05T10:52:09.40 10.0 undecidable manual PN 349 0.0451 -0.63 1.2
--.BCI.Z. 1986-08-05T10:52:09.00 10.0 undecidable manual PN 356 0.0438 0.97 0.9
--.BDV.Z. 1986-08-05T10:52:07.70 10.0 undecidable manual PN 345 0.0445 -1.42 0.5
--.CDM.Z. 1986-08-05T10:52:07.50 10.0 undecidable manual PN 318 0.0436 -0.33 1.5
--.MG9.Z. 1986-08-05T10:52:05.50 10.0 undecidable manual PN 305 0.0421 0.06 1.6
--.NPS.Z. 1986-08-05T10:52:04.00 10.0 undecidable manual PN 117 0.0419 -1.27 0.6
--.ULC.Z. 1986-08-05T10:52:03.80 10.0 undecidable manual PN 348 0.041 0.01 1.6
--.BAI.Z. 1986-08-05T10:52:03.50 10.0 undecidable manual PN 323 0.0411 -0.46 1.4
--.SKO.Z. 1986-08-05T10:52:02.90 10.0 undecidable manual PN 8 0.0406 -0.3 1.5
--.BRT.Z. 1986-08-05T10:52:00.00 10.0 undecidable manual PN 323 0.0383 0.29 1.5
--.ORI.Z. 1986-08-05T10:51:57.50 10.0 undecidable manual PN 309 0.0366 0.4 1.4
--.VAY.Z. 1986-08-05T10:51:57.50 10.0 undecidable manual PN 21 0.0371 -0.32 1.5
--.PHP.Z. 1986-08-05T10:51:57.00 10.0 undecidable manual PN 359 0.0376 -1.55 0.4
--.CSI.Z. 1986-08-05T10:51:55.20 10.0 undecidable manual PN 305 0.0361 -1.09 0.8
--.TS9.Z. 1986-08-05T10:51:54.00 10.0 undecidable manual PN 304 0.0352 -0.97 0.9
--.TIR.Z. 1986-08-05T10:51:53.50 10.0 undecidable manual PN 352 0.0348 -0.84 1
--.DR2.Z. 1986-08-05T10:51:53.00 10.0 undecidable manual PN 288 0.0341 -0.23 1.5
--.CZI.Z. 1986-08-05T10:51:53.60 10.0 undecidable manual PN 297 0.0346 -0.38 1.4
--.GA2.Z. 1986-08-05T10:51:52.50 10.0 undecidable manual PN 281 0.0338 -0.41 1.4
--.SO9.Z. 1986-08-05T10:51:49.00 10.0 undecidable manual PN 280 0.0321 -1.31 0.6
--.FE2.Z. 1986-08-05T10:51:49.80 10.0 undecidable manual PN 279 0.0319 -0.11 1.6
--.LCI.Z. 1986-08-05T10:51:48.50 10.0 undecidable manual PN 327 0.0305 0.74 1.1
--.GR9.Z. 1986-08-05T10:51:48.00 10.0 undecidable manual PN 293 0.0312 -0.91 0.9
--.SE2.Z. 1986-08-05T10:51:46.60 10.0 undecidable manual PN 297 0.03 -0.48 1.4
--.KBN.Z. 1986-08-05T10:51:46.00 10.0 undecidable manual PN 3 0.028 1.97 0.2
--.KZN.Z. 1986-08-05T10:51:43.00 10.0 undecidable manual PN 18 0.0266 1.18 0.7
--.ATH.Z. 1986-08-05T10:51:38.00 10.0 undecidable manual PN 78 0.023 1.61 0.3
--.VLS.Z. 1986-08-05T10:51:07.00 10.0 undecidable manual PG 4 0.006 -1.68 0.3
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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