Earthquake with magnitude of ML-VAX 3.4 on date 29-04-1998 and time 10:29:29 (UTC) in region Mar Ionio Meridionale (MARE)

A magnitude ML-VAX 3.4 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 29-04-1998 10:29:29 (UTC)
  • 29-04-1998 12:29:29 (UTC +02:00) Italian time
  • 29-04-1998 13:29:29 (UTC +03:00) local time in the region of the earthquake (Europe/Athens)

and geographic coordinates (lat, lon) 37.4130, 20.4350 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.

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
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
ML-VAX 3.4 1998-04-29
37.413 20.435 10 2013-07-15
Bollettino Sismico Italiano INGV 336849
Preferred location and magnitude until now.
Origin information


Field Value
Time (UTC) 1998-04-29 10:29:29 ± 4.012
Latitude 37.4130 ± 0.1630
Longitude 20.4350 ± 0.3287
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 336849


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) 34230.5
Confidence level of the uncertainty (%) 68


Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 311
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.03084
Epicentral distance of station farthest from the epicenter (degree) 0.05059
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information


Field Value
Value 3.4
Num. used stations 3
Type of magnitude ML
Reference to an origin 336849
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
--.MRB1.Z. 1998-04-29T10:30:51.82 10.0 undecidable manual PN 311 0.0506 -0.41 1
--.MU9.Z. 1998-04-29T10:30:44.22 10.0 undecidable manual PN 311 0.0457 -0.69 0.9
--.SGO.Z. 1998-04-29T10:30:44.79 10.0 undecidable manual PN 308 0.0456 0.1 1.1
--.SL9.Z. 1998-04-29T10:30:41.25 10.0 undecidable manual PN 308 0.0429 0.67 1.3
--.ORI.Z. 1998-04-29T10:30:38.50 10.0 undecidable manual PN 310 0.0367 7.04 0
--.MO9.Z. 1998-04-29T10:30:27.12 10.0 undecidable manual PN 278 0.0341 -0.02 1.4
--.LCI.Z. 1998-04-29T10:30:22.25 10.0 undecidable manual PN 327 0.0308 0.08 1.4
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download