Earthquake with magnitude of M 4.2 on date 11-03-1986 and time 02:14:51 (Italy) in region Costa Occidentale Peloponneso (GRECIA)

A magnitude M 4.2 earthquake occured in region: Costa Occidentale Peloponneso (GRECIA), on

  • 11-03-1986 01:14:51 (UTC)
  • 11-03-1986 02:14:51 (UTC +01:00) Italian time
  • 11-03-1986 03:14:51 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 36.0380, 22.2570 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
Bulletin
Rev1000
M 4.2 1986-03-11
01:14:51
36.038 22.257 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 23919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-03-11 01:14:51 ± 0.466
Latitude 36.0380 ± 0.0433
Longitude 22.2570 ± 0.0419
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 23919

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) 6112.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.02024
Epicentral distance of station farthest from the epicenter (degree) 0.06371
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

M:4.2

Field Value
Value 4.2
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 23919
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(km) Takeoff_angle Residual Weight
--.ROI.Z. 1986-03-11T01:17:18.10 10.0 undecidable manual SN 310 5.7054 -0.02 0.6
--.KBN.Z. 1986-03-11T01:16:54.20 10.0 undecidable manual SN 347 4.7175 -0.42 0.9
--.SGO.Z. 1986-03-11T01:16:34.50 10.0 undecidable manual PN 312 7.0707 -0.5 1.1
--.MG9.Z. 1986-03-11T01:16:28.00 10.0 undecidable manual PN 310 6.6711 -1.46 0.4
--.ORI.Z. 1986-03-11T01:16:23.00 10.0 undecidable manual PN 313 6.0717 1.67 0.3
--.ROI.Z. 1986-03-11T01:16:15.40 10.0 undecidable manual PN 310 5.7054 -0.85 1
--.TIR.Z. 1986-03-11T01:16:15.00 10.0 undecidable manual PN 342 5.6166 -0.02 1.5
--.FE2.Z. 1986-03-11T01:16:10.40 10.0 undecidable manual PN 294 5.3058 -0.31 1.5
--.KBN.Z. 1986-03-11T01:16:03.40 10.0 undecidable manual PN 347 4.7175 0.72 1.2
--.SRN.Z. 1986-03-11T01:15:57.40 10.0 undecidable manual PN 336 4.218 1.52 0.4
--.KZN.Z. 1986-03-11T01:15:56.50 10.0 undecidable manual PN 355 4.2735 -0.08 1.6
--.NPS.Z. 1986-03-11T01:15:37.00 10.0 undecidable manual PN 105 2.8305 0.33 1.5
--.VLS.Z. 1986-03-11T01:15:33.00 10.0 undecidable manual PN 329 2.5086 0.66 1.3
--.ATH.Z. 1986-03-11T01:15:27.50 10.0 undecidable manual PN 31 2.2422 -1.25 0.7
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