Earthquake with magnitude of Md 2.4 on date 12-05-1993 and time 22:54:16 (UTC) in region Costa Siciliana centro settentrionale (Palermo)

A magnitude Md 2.4 earthquake occured in region: Costa Siciliana centro settentrionale (Palermo), on

  • 12-05-1993 22:54:16 (UTC)
  • 13-05-1993 00:54:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0300, 14.0610 at 15 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cefalù PA 4 14393 14393
Pollina PA 9 2974 17367
Gratteri PA 10 963 18330
Isnello PA 11 1589 19919
Castelbuono PA 11 8943 28862
Lascari PA 11 3588 32450
Campofelice di Roccella PA 16 7537 39987
Collesano PA 16 4054 44041
Tusa ME 16 2925 46966
San Mauro Castelverde PA 17 1701 48667

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km E of Bagheria (55387 inhabitants)
60 Km N of Caltanissetta (63360 inhabitants)
62 Km E of Palermo (674435 inhabitants)
90 Km NE of Agrigento (59770 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
Md 2.4
ML-VAX 1.5
1993-05-12
22:54:16
38.03 14.061 15 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 185089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-05-12 22:54:16 ± 0.782
Latitude 38.0300 ± 0.0503
Longitude 14.0610 ± 0.0395
Depth (km) 15 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 185089

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) 6580.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 247
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00040
Epicentral distance of station farthest from the epicenter (degree) 0.00453
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 185089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:53:44

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 185089
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
--.MNO.Z. 1993-05-12T22:54:35.11 10.0 undecidable manual SG 100 0.4995 0.34 0.3
--.MNO.Z. 1993-05-12T22:54:27.31 10.0 undecidable manual PG 100 0.4995 0.29 0.8
--.PL9.S. 1993-05-12T22:54:23.00 10.0 undecidable manual SG 120 0.0666 0.95 0.1
--.CS9.Z. 1993-05-12T22:54:22.00 10.0 undecidable manual SG 175 0.0888 -0.4 0.5
--.GIB.Z. 1993-05-12T22:54:22.00 10.0 undecidable manual SG 213 0.0444 0.34 0.5
--.GIB.Z. 1993-05-12T22:54:20.00 10.0 undecidable manual PG 213 0.0444 0.55 0.9
--.CS9.Z. 1993-05-12T22:54:19.90 10.0 positive manual PG 175 0.0888 0.02 3.5
--.PL9.Z. 1993-05-12T22:54:18.99 10.0 positive manual PG 120 0.0666 -0.69 1.3
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