Earthquake with magnitude of ML-VAX 4.0 on date 07-07-1988 and time 17:38:48 (Italy) in region Costa Greca Ionica (GRECIA)

A magnitude ML-VAX 4.0 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 07-07-1988 15:38:48 (UTC)
  • 07-07-1988 17:38:48 (UTC +02:00) Italian time
  • 07-07-1988 18:38:48 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.646, 20.435 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
Bulletin
Rev1000
ML-VAX 4.0 1988-07-07
15:38:48
38.646 20.435 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 72919
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-07-07 15:38:48 ± 0.461
Latitude 38.6460 ± 0.0412
Longitude 20.4350 ± 0.0323
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 72919

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) 5369.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 209
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
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) 0.01757
Epicentral distance of station farthest from the epicenter (degree) 0.03643
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:4

Field Value
Value 4
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 72919
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
--.MGR.Z. 1988-07-07T15:40:36.33 10.0 undecidable manual SN 293 0.0364 -0.61 0.5
--.MO9.Z. 1988-07-07T15:40:29.31 10.0 undecidable manual SN 262 0.0339 -0.95 0.3
--.SOI.Z. 1988-07-07T15:40:23.00 10.0 undecidable manual SN 262 0.0312 -0.3 0.7
--.BRT.Z. 1988-07-07T15:40:21.44 10.0 undecidable manual SN 313 0.0303 0.82 0.4
--.LCI.Z. 1988-07-07T15:40:00.37 10.0 undecidable manual SN 314 0.0221 1.29 0.2
--.MGR.Z. 1988-07-07T15:39:50.20 10.0 undecidable manual PN 293 0.0364 -1 0.7
--.MO9.Z. 1988-07-07T15:39:47.75 10.0 undecidable manual PN 262 0.0339 0.41 1.5
--.SOI.Z. 1988-07-07T15:39:44.00 10.0 undecidable manual PN 262 0.0312 0.67 1.2
--.BRT.Z. 1988-07-07T15:39:42.41 10.0 undecidable manual PN 313 0.0303 0.63 1.3
--.SKO.Z. 1988-07-07T15:39:42.40 10.0 undecidable manual PN 13 0.0307 0.02 1.9
--.GRI.Z. 1988-07-07T15:39:38.50 10.0 undecidable manual PN 275 0.0282 -0.09 1.9
--.VAY.Z. 1988-07-07T15:39:37.30 10.0 undecidable manual PN 31 0.0282 -1.27 0.4
--.PLG.Z. 1988-07-07T15:39:36.40 10.0 undecidable manual PN 53 0.026 1.13 0.6
--.LCI.Z. 1988-07-07T15:39:29.50 10.0 undecidable manual PN 314 0.0221 -0.29 1.8
--.KZN.Z. 1988-07-07T15:39:22.10 10.0 undecidable manual PN 32 0.0176 -0.27 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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