Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML-VAX 3.5 on date 06-08-1998 and time 23:59:49 (Italy) in region Costa Greca Ionica (GRECIA)

A magnitude ML-VAX 3.5 earthquake occured in region: Costa Greca Ionica (GRECIA), on

  • 06-08-1998 21:59:49 (UTC)
  • 06-08-1998 23:59:49 (UTC +02:00) Italian time
  • 07-08-1998 00:59:49 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.8690, 20.6110 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 		ML-VAX 3.5 1998-08-06
21:59:49		 37.869 20.611 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 347259
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-08-06 21:59:49 ± 1.898
Latitude 37.8690 ± 0.0805
Longitude 20.6110 ± 0.1592
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 347259

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) 16595.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 291
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.02817
Epicentral distance of station farthest from the epicenter (degree) 0.09406
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitude information

ML:3.5

Field Value
Value 3.5
Uncertainty
Num. used stations 17
Type of magnitude ML
Reference to an origin 347259
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(km) Takeoff_angle Residual Weight
--.FVI.Z. 1998-08-06T22:02:17.22 10.0 undecidable manual PN 327 10.4451 -1.59 0.4
--.PTCC.Z. 1998-08-06T22:02:11.65 10.0 undecidable manual PN 328 10.0677 -1.9 0.2
--.MEU.Z. 1998-08-06T22:01:48.89 10.0 undecidable manual SN 260 4.6398 -1.23 0.3
--.ASS.Z. 1998-08-06T22:01:46.56 10.0 undecidable manual PN 311 7.9476 1.98 0.2
--.PZI.Z. 1998-08-06T22:01:46.24 10.0 undecidable manual SN 259 4.551 -1.98 0.1
--.SNTG.Z. 1998-08-06T22:01:43.96 10.0 undecidable manual PN 313 7.9143 -0.05 1.3
--.NRCA.Z. 1998-08-06T22:01:39.53 10.0 undecidable manual PN 311 7.548 0.53 1.2
--.MO9.Z. 1998-08-06T22:01:30.81 10.0 undecidable manual SN 271 3.8739 -1.04 0.4
--.SMB1.Z. 1998-08-06T22:01:15.10 10.0 undecidable manual PN 308 5.7276 0.98 1
--.VTB1.Z. 1998-08-06T22:01:13.55 10.0 undecidable manual PN 306 5.661 0.43 1.5
--.MRB1.Z. 1998-08-06T22:01:10.70 10.0 undecidable manual PN 306 5.4168 0.94 1.1
--.FG5.Z. 1998-08-06T22:01:08.83 10.0 undecidable manual PN 309 5.3391 0.26 1.6
--.CI9.Z. 1998-08-06T22:01:08.58 10.0 undecidable manual PN 304 5.2392 1.3 0.8
--.SGO.Z. 1998-08-06T22:01:03.43 10.0 undecidable manual PN 303 4.8951 0.86 1.2
--.MU9.Z. 1998-08-06T22:01:02.47 10.0 undecidable manual PN 306 4.884 -0.03 1.6
--.SL9.Z. 1998-08-06T22:00:59.28 10.0 undecidable manual PN 303 4.5954 0.81 1.2
--.MEU.Z. 1998-08-06T22:00:58.24 10.0 undecidable manual PN 260 4.6398 -0.77 1.3
--.MGR.Z. 1998-08-06T22:00:57.80 10.0 undecidable manual PN 299 4.5177 0.35 1.6
--.PZI.Z. 1998-08-06T22:00:57.18 10.0 undecidable manual PN 259 4.551 -0.73 1.3
--.BRT.Z. 1998-08-06T22:00:49.10 10.0 undecidable manual PN 317 4.0071 -1.3 0.8
--.MO9.Z. 1998-08-06T22:00:49.99 10.0 undecidable manual PN 271 3.8739 1.53 0.6
--.ORI.Z. 1998-08-06T22:00:49.18 10.0 undecidable manual PN 303 3.8961 0.38 1.5
--.LT9.Z. 1998-08-06T22:00:48.98 10.0 undecidable manual PN 312 3.996 -1.28 0.8
--.SOI.Z. 1998-08-06T22:00:44.82 10.0 undecidable manual PN 273 3.5853 0.24 1.6
--.GRI.Z. 1998-08-06T22:00:42.44 10.0 undecidable manual PN 285 3.4188 0.27 1.6
--.LCI.Z. 1998-08-06T22:00:36.63 10.0 undecidable manual PN 321 3.1302 -1.59 0.5
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