Earthquake with magnitude of M 4.8 on date 24-07-1986 and time 19:44:28 (Italy) in region Costa Occidentale Peloponneso (GRECIA)

A magnitude M 4.8 earthquake occured in region: Costa Occidentale Peloponneso (GRECIA), on

  • 24-07-1986 17:44:28 (UTC)
  • 24-07-1986 19:44:28 (UTC +02:00) Italian time
  • 24-07-1986 20:44:28 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.5120, 20.8960 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 4.8 1986-07-24
17:44:28
37.512 20.896 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 31549
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-07-24 17:44:28 ± 0.427
Latitude 37.5120 ± 0.0412
Longitude 20.8960 ± 0.0364
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 31549

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) 5598.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 150
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00631
Epicentral distance of station farthest from the epicenter (degree) 0.09859
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitude information

M:4.8

Field Value
Value 4.8
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 31549
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
--.CTI.Z. 1986-07-24T17:47:05.00 10.0 undecidable manual PN 324 10.9446 -0.16 0.9
--.FO1.Z. 1986-07-24T17:47:04.50 10.0 undecidable manual PN 329 10.8669 0.34 0.9
--.CRE.Z. 1986-07-24T17:46:40.00 10.0 undecidable manual PN 314 9.1242 0.01 1.1
--.AQU.Z. 1986-07-24T17:46:18.00 10.0 undecidable manual PN 312 7.4925 0.25 1.2
--.SAR.Z. 1986-07-24T17:46:04.60 10.0 undecidable manual PN 344 6.6156 -1.03 0.6
--.CV9.Z. 1986-07-24T17:46:02.50 10.0 undecidable manual PN 273 6.4047 -0.27 1.3
--.FAI.Z. 1986-07-24T17:45:53.00 10.0 undecidable manual PN 269 5.7276 -0.48 1.2
--.GIB.Z. 1986-07-24T17:45:50.50 10.0 undecidable manual PN 276 5.439 1.04 0.7
--.SGO.Z. 1986-07-24T17:45:47.50 10.0 undecidable manual PN 306 5.2947 0.08 1.4
--.MG9.Z. 1986-07-24T17:45:42.50 10.0 undecidable manual PN 303 4.9062 0.33 1.3
--.PRK.Z. 1986-07-24T17:45:39.50 10.0 undecidable manual PN 65 4.551 2.32 0
--.BRT.Z. 1986-07-24T17:45:35.00 10.0 negative manual PN 320 4.4289 -0.62 2.2
--.NPS.Z. 1986-07-24T17:45:34.00 10.0 undecidable manual PN 119 4.4067 -1.22 0.5
--.ORI.Z. 1986-07-24T17:45:34.50 10.0 undecidable manual PN 307 4.2846 0.84 0.9
--.TS9.Z. 1986-07-24T17:45:32.50 10.0 undecidable manual PN 302 4.1514 0.75 1
--.SO9.Z. 1986-07-24T17:45:27.50 10.0 undecidable manual PN 279 3.8517 -0.21 1.4
--.LCI.Z. 1986-07-24T17:45:23.80 10.0 undecidable manual PN 323 3.552 0.33 1.3
--.KZN.Z. 1986-07-24T17:45:15.00 10.0 undecidable manual PN 13 2.8638 0.87 0.9
--.ATH.Z. 1986-07-24T17:45:05.00 10.0 undecidable manual PN 77 2.2755 -0.91 0.8
--.VLS.Z. 1986-07-24T17:44:41.20 10.0 undecidable manual PG 339 0.6993 -1.63 0.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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