Earthquake with magnitude of M 3.0 on date 19-03-1991 and time 22:37:03 (Italy) in region Greece [Sea]

A magnitude M 3.0 earthquake occured in region: Greece [Sea], on

  • 19-03-1991 21:37:03 (UTC)
  • 19-03-1991 22:37:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 39.2100, 20.4740 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
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Bulletin
Rev1000
M 3.0 1991-03-19
21:37:03
39.21 20.474 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 137839
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1991-03-19 21:37:03 ± 0.326
Latitude 39.2100 ± 0.0230
Longitude 20.4740 ± 0.0462
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 137839

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) 4728.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
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) 0.00648
Epicentral distance of station farthest from the epicenter (degree) 0.02380
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

M:3.0

Field Value
Value 3.0
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 137839
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
--.VAY.Z. 1991-03-19T21:37:48.20 10.0 undecidable manual PN! 36 2.6418 2.67 0
--.OHR.Z. 1991-03-19T21:37:36.00 10.0 undecidable manual PN 7 1.9092 0.5 1.5
--.KZN.Z. 1991-03-19T21:37:29.40 10.0 undecidable manual PN 41 1.4763 -0.13 2.1
--.SRN.Z. 1991-03-19T21:37:29.20 10.0 undecidable manual SG 331 0.7548 -0.33 1.3
--.VLO.Z. 1991-03-19T21:37:26.80 10.0 undecidable manual PN! 329 1.4541 -2.51 0
--.TPE.Z. 1991-03-19T21:37:24.00 10.0 undecidable manual PG 339 1.0212 0.68 1.6
--.VLS.Z. 1991-03-19T21:37:23.10 10.0 undecidable manual PN 174 1.0323 -0.31 2.1
--.KEK.Z. 1991-03-19T21:37:18.70 10.0 undecidable manual PG 313 0.7215 1.04 1.1
--.LSK.Z. 1991-03-19T21:37:17.60 10.0 undecidable manual PG! 5 0.9435 -4.15 0
--.SRN.Z. 1991-03-19T21:37:16.70 10.0 undecidable manual PG 331 0.7548 -1.67 0.3
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