Earthquake with magnitude of M 3.1 on date 02-08-1993 and time 00:18:40 (Italy) in region Confine Grecia Albania (GRECIA, ALBANIA)

A magnitude M 3.1 earthquake occured in region: Confine Grecia Albania (GRECIA, ALBANIA), on

  • 01-08-1993 22:18:40 (UTC)
  • 02-08-1993 00:18:40 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 40.5870, 20.6990 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 3.1 1993-08-01
22:18:40
40.587 20.699 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 192869
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-08-01 22:18:40 ± 0.174
Latitude 40.5870 ± 0.0134
Longitude 20.6990 ± 0.0188
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 192869

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) 2177.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
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) 0.00769
Epicentral distance of station farthest from the epicenter (degree) 0.01886
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

M:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 192869
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
--.PLG.Z. 1993-08-01T22:19:16.00 10.0 undecidable manual PN 95 2.0979 0.94 0.3
--.KZN.Z. 1993-08-01T22:19:10.00 10.0 undecidable manual SG 109 0.8547 0.21 0.6
--.VAY.Z. 1993-08-01T22:19:07.40 10.0 undecidable manual PN 62 1.5762 -0.7 1.3
--.SKO.Z. 1993-08-01T22:19:06.50 10.0 undecidable manual PN 22 1.4874 -0.23 1.4
--.KEK.Z. 1993-08-01T22:19:01.50 10.0 undecidable manual PN 219 1.11 -0.02 1.7
--.TIR.Z. 1993-08-01T22:19:00.00 10.0 undecidable manual PG 321 0.9768 0.39 1.3
--.JAN.Z. 1993-08-01T22:18:59.00 10.0 undecidable manual PG 173 0.9324 0.32 1.4
--.SRN.Z. 1993-08-01T22:18:57.10 10.0 undecidable manual PG 217 0.8769 -0.62 0.9
--.KZN.Z. 1993-08-01T22:18:55.00 10.0 undecidable manual PG! 109 0.8547 -2.28 0
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