Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 3.6 on date 28-10-1988 and time 06:49:14 (Italy) in region Costa Greca Ionica (GRECIA)

A magnitude Md 3.6 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 28-10-1988 05:49:14 (UTC)
  • 28-10-1988 06:49:14 (UTC +01:00) Italian time
  • 28-10-1988 07:49:14 (UTC +02:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.0280, 20.9760 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 3.6
M 3.9 		1988-10-28
05:49:14		 38.028 20.976 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 79939
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-10-28 05:49:14 ± 0.428
Latitude 38.0280 ± 0.0382
Longitude 20.9760 ± 0.0271
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 79939

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) 4871.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 181
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.01943
Epicentral distance of station farthest from the epicenter (degree) 0.08621
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

Md:3.6

Field Value
Value 3.6
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 79939
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:15:12

M:3.9

Field Value
Value 3.9
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 79939
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
--.VOY.Z. 1988-10-28T05:51:30.00 10.0 undecidable manual PN 331 9.5682 -2.03 0.1
--.CEY.Z. 1988-10-28T05:51:24.50 10.0 undecidable manual PN 331 9.1242 -1.28 0.3
--.VRI.Z. 1988-10-28T05:51:24.00 10.0 undecidable manual PN 28 8.9133 1.08 0.3
--.ATN.Z. 1988-10-28T05:51:07.46 10.0 undecidable manual SN 275 4.329 -0.54 0.4
--.MNS.Z. 1988-10-28T05:51:06.00 10.0 undecidable manual PN 309 7.6812 0.01 1
--.DUI.Z. 1988-10-28T05:50:46.00 10.0 undecidable manual PN 309 6.1716 0.68 0.8
--.BSS.Z. 1988-10-28T05:50:36.23 10.0 undecidable manual PN 303 5.4834 0.44 1.1
--.SGO.Z. 1988-10-28T05:50:31.00 10.0 undecidable manual PN 303 5.0616 1.05 0.6
--.KDZ.Z. 1988-10-28T05:50:29.00 10.0 undecidable manual PN 43 4.9284 0.9 0.7
--.MGR.Z. 1988-10-28T05:50:25.30 10.0 undecidable manual PN 300 4.6953 -0.01 1.3
--.ATN.Z. 1988-10-28T05:50:19.23 10.0 undecidable manual PN 275 4.329 -0.75 0.8
--.TDS.Z. 1988-10-28T05:50:15.00 10.0 undecidable manual PN 297 3.9516 0.17 1.3
--.BRT.Z. 1988-10-28T05:50:15.93 10.0 undecidable manual PN 316 4.0959 -0.84 0.9
--.GA2.Z. 1988-10-28T05:50:15.18 10.0 undecidable manual PN 275 4.0404 -0.84 0.7
--.SOI.Z. 1988-10-28T05:50:14.00 10.0 undecidable manual PN 273 3.8628 0.41 1.2
--.SKO.Z. 1988-10-28T05:50:14.40 10.0 undecidable manual PN 6 3.9516 -0.39 2.5
--.CZI.Z. 1988-10-28T05:50:14.24 10.0 undecidable manual PN 290 3.9516 -0.61 1
--.GRI.Z. 1988-10-28T05:50:12.55 10.0 undecidable manual PN 285 3.6519 1.95 0.1
--.PHP.Z. 1988-10-28T05:50:11.30 10.0 undecidable manual PN 355 3.6741 0.3 1.2
--.VAY.Z. 1988-10-28T05:50:08.00 10.0 undecidable manual PN 21 3.5076 -0.66 2.1
--.TIR.Z. 1988-10-28T05:50:07.50 10.0 undecidable manual PN 347 3.4188 -0.01 1.3
--.LCI.Z. 1988-10-28T05:50:05.00 10.0 undecidable manual PN 318 3.1857 0.62 1
--.OHR.Z. 1988-10-28T05:50:03.00 10.0 undecidable manual PN 359 3.0858 0.19 2.5
--.PLG.Z. 1988-10-28T05:50:00.60 10.0 undecidable manual PN 40 3.0192 -1.37 0.4
--.KBN.Z. 1988-10-28T05:49:56.60 10.0 undecidable manual PN 358 2.5974 0.47 1.1
--.KZN.Z. 1988-10-28T05:49:53.50 10.0 undecidable manual PN 16 2.3532 0.66 0.9
--.ATH.Z. 1988-10-28T05:49:50.00 10.0 undecidable manual PN 92 2.1534 -0.07 1.3
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