Earthquake with magnitude of Md 2.5 on date 01-10-1993 and time 07:34:28 (Italy) in region 2 km N Sciacca (AG)

A magnitude Md 2.5 earthquake occured in region: 2 km N Sciacca (AG), on

  • 01-10-1993 06:34:28 (UTC)
  • 01-10-1993 07:34:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.529, 13.076 at 11 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
Sciacca AG 2 40928 40928
Menfi AG 12 12592 53520
Caltabellotta AG 14 3681 57201
Sambuca di Sicilia AG 14 5877 63078
Ribera AG 17 19232 82310
Santa Margherita di Belice AG 19 6363 88673
Calamonaci AG 19 1339 90012

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Mazara del Vallo (51718 inhabitants)
51 Km NW of Agrigento (59770 inhabitants)
64 Km SE of Marsala (83194 inhabitants)
70 Km SW of Palermo (674435 inhabitants)
72 Km SW of Bagheria (55387 inhabitants)
74 Km SE of Trapani (68759 inhabitants)
87 Km W of Caltanissetta (63360 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 1993-10-01
06:34:28
37.529 13.076 11 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 197279
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-10-01 06:34:28 ± 0.371
Latitude 37.5290 ± 0.0271
Longitude 13.0760 ± 0.0219
Depth (km) 11 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 197279

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) 3575.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 185
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00235
Epicentral distance of station farthest from the epicenter (degree) 0.014
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 197279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:05:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MEU.Z. 1993-10-01T06:35:14.00 10.0 undecidable manual SN 105 0.013 0.33 0.5
--.TU9.Z. 1993-10-01T06:35:04.00 10.0 undecidable manual SG 63 0.0089 1.3 0.2
--.GIB.Z. 1993-10-01T06:34:59.00 10.0 undecidable manual SG 58 0.0079 0.02 0.7
--.CS9.Z. 1993-10-01T06:34:58.00 10.0 undecidable manual SG 62 0.0079 -1.13 0.2
--.MEU.Z. 1993-10-01T06:34:55.00 10.0 undecidable manual PN 105 0.013 0.31 1.4
--.PZI.Z. 1993-10-01T06:34:54.50 10.0 undecidable manual PN 106 0.014 -1.64 0.1
--.TU9.Z. 1993-10-01T06:34:49.00 10.0 undecidable manual PG 63 0.0089 0.64 1.3
--.FAI.Z. 1993-10-01T06:34:48.00 10.0 undecidable manual SG 118 0.0048 0.07 0.7
--.PL9.Z. 1993-10-01T06:34:47.66 10.0 undecidable manual PG 60 0.0087 -0.06 1.9
--.GIB.Z. 1993-10-01T06:34:46.14 10.0 undecidable manual PG 58 0.0079 -0.07 1.9
--.CS9.Z. 1993-10-01T06:34:45.51 10.0 undecidable manual PG 62 0.0079 -0.79 1.1
--.FAI.Z. 1993-10-01T06:34:40.55 10.0 undecidable manual PG 118 0.0048 0.71 1.2
--.CVT.Z. 1993-10-01T06:34:35.00 10.0 undecidable manual PG 303 0.0023 0.12 1.8
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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