Earthquake with magnitude of ML-VAX 4.1 on date 18-05-1988 and time 05:38:56 (UTC) in region Costa Greca Ionica (GRECIA)

A magnitude ML-VAX 4.1 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 18-05-1988 05:38:56 (UTC)
  • 18-05-1988 07:38:56 (UTC +02:00) Italian time
  • 18-05-1988 08:38:56 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.29, 20.47 at 5 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 ML-VAX 4.1 1988-05-18
05:38:56
38.29 20.47 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 69579
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-05-18 05:38:56 ± 0.191
Latitude 38.29 ± 0.02
Longitude 20.47 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 69579

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) 2815
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
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) 0.0013
Epicentral distance of station farthest from the epicenter (degree) 0.10523
Number of stations at which the event was observed 37
Number of stations from which data was used for origin computation 37
Magnitude information

ML:4.1

Field Value
Value 4.1
Uncertainty
Num. used stations 13
Type of magnitude ML
Reference to an origin 69579
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.DOI.Z. 1988-05-18T05:41:45.10 10.0 undecidable manual PN 306 0.1052 1.04 0.4
--.MME.Z. 1988-05-18T05:41:12.20 10.0 undecidable manual PN 312 0.0848 -0.64 0.7
--.SFI.Z. 1988-05-18T05:41:02.28 10.0 undecidable manual PN 313 0.0772 0.92 0.6
--.PGD.Z. 1988-05-18T05:41:01.50 10.0 undecidable manual PN 313 0.0777 -0.61 0.8
--.ARV.Z. 1988-05-18T05:40:48.86 10.0 undecidable manual PN 315 0.0694 -0.53 0.9
--.ASS.Z. 1988-05-18T05:40:48.63 10.0 undecidable manual PN 311 0.0684 0.66 0.8
--.ATN.Z. 1988-05-18T05:40:41.30 10.0 undecidable manual SN 269 0.0354 -1 0.3
--.MO9.Z. 1988-05-18T05:40:39.11 10.0 undecidable manual SN 267 0.0338 1.1 0.2
--.SDI.Z. 1988-05-18T05:40:28.38 10.0 undecidable manual PN 306 0.0552 0.57 1
--.GRI.Z. 1988-05-18T05:40:25.60 10.0 undecidable manual SN 280 0.0288 0.76 0.4
--.RFI.Z. 1988-05-18T05:40:23.93 10.0 undecidable manual PN 303 0.0523 0.51 1.1
--.DUI.Z. 1988-05-18T05:40:22.36 10.0 undecidable manual PN 308 0.0513 0.5 1.1
--.MCT.Z. 1988-05-18T05:40:17.62 10.0 undecidable manual PN 265 0.049 -0.67 1
--.FG2.Z. 1988-05-18T05:40:16.89 10.0 undecidable manual PN 312 0.0483 -0.39 1.2
--.BSS.Z. 1988-05-18T05:40:13.61 10.0 undecidable manual PN 301 0.0451 1.28 0.4
--.FG3.Z. 1988-05-18T05:40:10.00 10.0 undecidable manual PN 316 0.0437 -0.32 1.3
--.FG4.Z. 1988-05-18T05:40:08.51 10.0 undecidable manual PN 308 0.0427 -0.26 1.4
--.SGO.Z. 1988-05-18T05:40:07.49 10.0 undecidable manual PN 301 0.0412 0.99 0.7
--.MNO.Z. 1988-05-18T05:40:06.11 10.0 undecidable manual PN 267 0.041 0.06 1.4
--.PZI.Z. 1988-05-18T05:40:04.78 10.0 undecidable manual PN 256 0.0408 -1.05 0.7
--.SA1.Z. 1988-05-18T05:40:03.60 10.0 undecidable manual PN 275 0.0397 -0.62 1.1
--.CDM.Z. 1988-05-18T05:40:01.50 10.0 undecidable manual PN 312 0.0384 -0.6 1.1
--.MGR.Z. 1988-05-18T05:40:01.99 10.0 undecidable manual PN 297 0.038 0.37 1.3
--.ATN.Z. 1988-05-18T05:39:57.30 10.0 negative manual PN 269 0.0354 -0.49 2.4
--.MMN.Z. 1988-05-18T05:39:57.50 10.0 undecidable manual PN 296 0.0344 1.44 0.3
--.BAI.Z. 1988-05-18T05:39:56.00 10.0 undecidable manual PN 316 0.0355 -1.71 0.2
--.MO9.Z. 1988-05-18T05:39:54.72 10.0 undecidable manual PN 267 0.0338 -0.48 1.2
--.SKO.Z. 1988-05-18T05:39:54.00 10.0 undecidable manual PN 11 0.0338 -1.13 0.6
--.ORI.Z. 1988-05-18T05:39:53.50 10.0 negative manual PN 300 0.0322 0.78 1.9
--.CZI.Z. 1988-05-18T05:39:53.50 10.0 undecidable manual PN 286 0.0315 1.85 0.1
--.TDS.Z. 1988-05-18T05:39:52.00 10.0 undecidable manual PN 294 0.0314 0.54 1.2
--.BRT.Z. 1988-05-18T05:39:52.34 10.0 undecidable manual PN 316 0.0327 -1.13 0.6
--.VAY.Z. 1988-05-18T05:39:50.30 10.0 undecidable manual PN 27 0.0309 -0.41 1.3
--.SOI.Z. 1988-05-18T05:39:50.77 10.0 positive manual PN 267 0.0312 -0.46 2.5
--.PE1.Z. 1988-05-18T05:39:49.00 10.0 undecidable manual PN 318 0.0309 -1.79 0.1
--.GRI.Z. 1988-05-18T05:39:47.50 10.0 undecidable manual PN 280 0.0288 -0.09 1.4
--.OHR.Z. 1988-05-18T05:39:42.60 10.0 undecidable manual PN 5 0.0255 0.13 1.4
--.ATH.Z. 1988-05-18T05:39:40.00 10.0 undecidable manual PN 96 0.0232 1.13 0.6
--.KZN.Z. 1988-05-18T05:39:35.00 10.0 undecidable manual PN 26 0.0202 0.47 1.2
--.VLS.Z. 1988-05-18T05:39:00.00 10.0 positive manual PG 138 0.0013 -0.09 2.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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