Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of M 3.7 on date 24-08-1993 and time 06:55:50 (Italy) in region Costa Greca Ionica (GRECIA)

A magnitude M 3.7 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 24-08-1993 04:55:50 (UTC)
  • 24-08-1993 06:55:50 (UTC +02:00) Italian time
  • 24-08-1993 07:55:50 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 38.0370, 20.4360 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.

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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 3.7 1993-08-24
04:55:50		 38.037 20.436 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 195059
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-08-24 04:55:50 ± 0.525
Latitude 38.0370 ± 0.0405
Longitude 20.4360 ± 0.0353
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 195059

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) 5461.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.7
Epicentral distance of station closest to the epicenter (degree) 0.00162
Epicentral distance of station farthest from the epicenter (degree) 0.08410
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitude information

M:3.7

Field Value
Value 3.7
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 195059
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. 1993-08-24T04:59:43.70 10.0 undecidable manual SN 331 9.3351 0.09 0.4
--.VBY.Z. 1993-08-24T04:59:21.50 10.0 undecidable manual SN 334 8.3916 0.41 0.3
--.VOY.Z. 1993-08-24T04:58:04.80 10.0 positive manual PN 331 9.3351 -0.43 1.7
--.VBY.Z. 1993-08-24T04:57:51.70 10.0 undecidable manual PN 334 8.3916 -0.52 0.9
--.PZI.Z. 1993-08-24T04:57:48.00 10.0 undecidable manual SN 259 4.4511 0.69 0.4
--.MEU.Z. 1993-08-24T04:57:47.00 10.0 undecidable manual SN 260 4.5288 -2.14 0
--.ATN.Z. 1993-08-24T04:57:32.60 10.0 undecidable manual SN! 273 3.9072 -1.74 0
--.TIR.Z. 1993-08-24T04:57:23.00 10.0 undecidable manual SN! 352 3.33 2.34 0
--.GRI.Z. 1993-08-24T04:57:17.35 10.0 undecidable manual SN 285 3.2301 -1 0.4
--.RDO.Z. 1993-08-24T04:57:06.70 10.0 undecidable manual PN 50 4.995 1.06 0.9
--.VLO.Z. 1993-08-24T04:57:04.00 10.0 undecidable manual SN! 343 2.5308 2.38 0
--.MEU.Z. 1993-08-24T04:56:58.00 10.0 undecidable manual PN 260 4.5288 -1.13 0.6
--.PZI.Z. 1993-08-24T04:56:58.00 10.0 undecidable manual PN 259 4.4511 -0.08 1.5
--.SDA.Z. 1993-08-24T04:56:53.10 10.0 undecidable manual PN 350 4.0293 0.76 1.1
--.BAI.Z. 1993-08-24T04:56:53.00 10.0 undecidable manual PN 319 4.107 -0.35 1.5
--.SKO.Z. 1993-08-24T04:56:52.00 10.0 undecidable manual PN 10 3.996 0.12 1.6
--.ORI.Z. 1993-08-24T04:56:51.72 10.0 undecidable manual PN! 304 3.6852 4.13 0
--.TDS.Z. 1993-08-24T04:56:49.75 10.0 undecidable manual PN! 298 3.5631 3.75 0
--.ATN.Z. 1993-08-24T04:56:49.29 10.0 undecidable manual PN 273 3.9072 -1.3 0.5
--.ACI.Z. 1993-08-24T04:56:47.30 10.0 undecidable manual PN 293 3.552 1.38 0.4
--.VAY.Z. 1993-08-24T04:56:46.50 10.0 undecidable manual PN 25 3.663 -0.75 1.9
--.CZI.Z. 1993-08-24T04:56:46.49 10.0 undecidable manual PN 290 3.552 0.74 1.1
--.ROI.Z. 1993-08-24T04:56:44.46 10.0 undecidable manual PN 298 3.3744 1.17 0.6
--.TIR.Z. 1993-08-24T04:56:43.50 10.0 undecidable manual PN 352 3.33 0.81 1.1
--.GRI.Z. 1993-08-24T04:56:42.59 10.0 undecidable manual PN 285 3.2301 1.23 0.6
--.OHR.Z. 1993-08-24T04:56:39.50 10.0 undecidable manual PN 5 3.0858 0.27 3.1
--.LCI.Z. 1993-08-24T04:56:37.00 10.0 undecidable manual PN 322 2.9082 0.08 1.6
--.KZN.Z. 1993-08-24T04:56:31.60 10.0 undecidable manual PN 24 2.4864 0.5 1.5
--.VLO.Z. 1993-08-24T04:56:30.50 10.0 undecidable manual PN 343 2.5308 -1.2 0.6
--.TPE.Z. 1993-08-24T04:56:26.50 10.0 positive manual PN 351 2.1534 -0.05 3.1
--.KEK.Z. 1993-08-24T04:56:20.00 10.0 undecidable manual PN 343 1.7427 -0.86 1
--.VLS.Z. 1993-08-24T04:55:54.00 10.0 positive manual PG 40 0.1776 -1.36 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