Earthquake with magnitude of Md 2.5 on date 24-02-1993 and time 18:30:45 (UTC) in region 3 km W San Mauro Castelverde (PA)

A magnitude Md 2.5 earthquake occured in region: 3 km W San Mauro Castelverde (PA), on

  • 24-02-1993 18:30:45 (UTC)
  • 24-02-1993 19:30:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.9250, 14.1560 at 5 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
San Mauro Castelverde PA 3 1701 1701
Castelbuono PA 6 8943 10644
Geraci Siculo PA 7 1945 12589
Pollina PA 8 2974 15563
Tusa ME 10 2925 18488
Pettineo ME 13 1350 19838
Isnello PA 13 1589 21427
Petralia Sottana PA 14 2821 24248
Castel di Lucio ME 14 1294 25542
Motta d'Affermo ME 14 739 26281
Gangi PA 15 6811 33092
Petralia Soprana PA 15 3360 36452
Gratteri PA 17 963 37415
Cefalù PA 17 14393 51808
Reitano ME 18 806 52614
Mistretta ME 18 4791 57405
Polizzi Generosa PA 18 3407 60812
Castellana Sicula PA 19 3411 64223
Collesano PA 19 4054 68277
Santo Stefano di Camastra ME 20 4694 72971

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km N of Caltanissetta (63360 inhabitants)
59 Km E of Bagheria (55387 inhabitants)
73 Km E of Palermo (674435 inhabitants)
85 Km NE of Agrigento (59770 inhabitants)
94 Km NW of Catania (314555 inhabitants)
95 Km W of Acireale (52622 inhabitants)
96 Km N of Gela (75827 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 2.5 1993-02-24
18:30:45
37.925 14.156 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 180749
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-02-24 18:30:45 ± 0.274
Latitude 37.9250 ± 0.0295
Longitude 14.1560 ± 0.0129
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 180749

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) 3465.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 191
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) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00057
Epicentral distance of station farthest from the epicenter (degree) 0.00380
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 180749
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:49:34
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.MNO.Z. 1993-02-24T18:31:02.50 10.0 undecidable manual SG 88 0.4218 0.46 0.2
--.MNO.Z. 1993-02-24T18:30:55.00 10.0 undecidable manual PG 88 0.4218 -0.09 1.2
--.GIB.Z. 1993-02-24T18:30:51.50 10.0 undecidable manual SG 302 0.1221 0.95 0
--.CS9.Z. 1993-02-24T18:30:48.30 10.0 undecidable manual SG 280 0.0666 -0.44 0.4
--.GIB.Z. 1993-02-24T18:30:48.50 10.0 undecidable manual PG 302 0.1221 0.05 2
--.CS9.Z. 1993-02-24T18:30:47.40 10.0 undecidable manual PG 280 0.0666 -0.01 2
--.PL9.Z. 1993-02-24T18:30:47.00 10.0 undecidable manual PG 351 0.0666 -0.39 1.1
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