Earthquake with magnitude of Md 3.4 on date 11-10-1988 and time 05:20:01 (Italy) in region Costa Occidentale Peloponneso (GRECIA)

A magnitude Md 3.4 earthquake occured in region: Costa Occidentale Peloponneso (GRECIA), on

  • 11-10-1988 04:20:01 (UTC)
  • 11-10-1988 05:20:01 (UTC +01:00) Italian time
  • 11-10-1988 06:20:01 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.4480, 20.8070 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
Md 3.4
M 3.9
1988-10-11
04:20:01
37.448 20.807 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 78479
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-11 04:20:01 ± 0.403
Latitude 37.4480 ± 0.0369
Longitude 20.8070 ± 0.0242
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 78479

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) 4626.6
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 34
Number of defining phases 34
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) 0.00672
Epicentral distance of station farthest from the epicenter (degree) 0.11519
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

Md:3.4

Field Value
Value 3.4
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 78479
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:13:48

M:3.9

Field Value
Value 3.9
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 78479
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
--.KHC.Z. 1988-10-11T04:23:03.00 10.0 undecidable manual PN 338 12.7872 -0.28 0.7
--.MLR.Z. 1988-10-11T04:22:11.00 10.0 undecidable manual PN 23 8.8911 1.11 0.4
--.MEU.Z. 1988-10-11T04:22:04.19 10.0 undecidable manual SN 267 4.7508 -1.05 0.3
--.PZI.Z. 1988-10-11T04:22:03.92 10.0 undecidable manual SN 266 4.6731 0.74 0.4
--.BRT.Z. 1988-10-11T04:21:58.82 10.0 undecidable manual SN 321 4.44 1.17 0.2
--.GMB.Z. 1988-10-11T04:21:46.34 10.0 undecidable manual SN 281 3.9849 -0.63 0.4
--.GRI.Z. 1988-10-11T04:21:39.80 10.0 undecidable manual SN 292 3.7074 -0.42 0.5
--.PVL.Z. 1988-10-11T04:21:38.00 10.0 negative manual PN 28 6.5823 -0.1 2.4
--.USI.Z. 1988-10-11T04:21:30.57 10.0 undecidable manual PN 284 6.1161 -1.11 0.5
--.FAI.Z. 1988-10-11T04:21:25.87 10.0 undecidable manual PN 270 5.661 0.48 1.1
--.FG3.Z. 1988-10-11T04:21:24.73 10.0 undecidable manual PN 320 5.661 -0.61 1
--.KDZ.Z. 1988-10-11T04:21:22.00 10.0 negative manual PN 38 5.4501 -0.51 2.2
--.SGO.Z. 1988-10-11T04:21:21.15 10.0 undecidable manual PN 307 5.2725 1.1 0.6
--.GIB.Z. 1988-10-11T04:21:21.96 10.0 undecidable manual PN 277 5.3724 0.48 1.1
--.IZM.Z. 1988-10-11T04:21:19.00 10.0 undecidable manual PN 77 5.1615 0.39 1.2
--.MGR.Z. 1988-10-11T04:21:15.57 10.0 undecidable manual PN 304 4.884 0.84 0.9
--.SA1.Z. 1988-10-11T04:21:14.84 10.0 undecidable manual PN 285 4.8285 0.94 0.8
--.PZI.Z. 1988-10-11T04:21:11.00 10.0 undecidable manual PN 266 4.6731 -0.75 1
--.MEU.Z. 1988-10-11T04:21:10.81 10.0 undecidable manual PN 267 4.7508 -2.13 0.1
--.SKO.Z. 1988-10-11T04:21:09.80 10.0 positive manual PN 5 4.5399 -0.17 2.8
--.BRT.Z. 1988-10-11T04:21:08.14 10.0 undecidable manual PN 321 4.44 -0.42 1.3
--.ATN.Z. 1988-10-11T04:21:06.81 10.0 undecidable manual PN 281 4.2624 0.53 1.2
--.CZI.Z. 1988-10-11T04:21:05.16 10.0 undecidable manual PN 297 4.0626 1.77 0.2
--.TDS.Z. 1988-10-11T04:21:04.99 10.0 undecidable manual PN 303 4.1292 0.71 1
--.VAY.Z. 1988-10-11T04:21:03.60 10.0 undecidable manual PN 18 4.0959 -0.28 2.7
--.GA2.Z. 1988-10-11T04:21:02.18 10.0 undecidable manual PN 281 3.9849 -0.21 1.4
--.GMB.Z. 1988-10-11T04:21:01.76 10.0 undecidable manual PN 281 3.9849 -0.63 1.1
--.OHR.Z. 1988-10-11T04:20:58.60 10.0 positive manual PN 359 3.6519 0.8 1.8
--.LCI.Z. 1988-10-11T04:20:57.17 10.0 undecidable manual PN 324 3.5631 0.69 1
--.GRI.Z. 1988-10-11T04:20:57.92 10.0 undecidable manual PN 292 3.7074 -0.57 1.1
--.PLG.Z. 1988-10-11T04:20:56.00 10.0 undecidable manual PN 34 3.5631 -0.59 1.1
--.KZN.Z. 1988-10-11T04:20:49.00 10.0 undecidable manual PN 14 2.9526 0.91 0.8
--.ATH.Z. 1988-10-11T04:20:43.70 10.0 undecidable manual PN! 76 2.3532 3.76 0
--.VLS.Z. 1988-10-11T04:20:15.00 10.0 positive manual PG 346 0.7437 -1.47 0.6
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