Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 01-08-1995 and time 02:42:14 (Italy) in region 3 km W Santa Caterina Villarmosa (CL)

A magnitude Md 2.5 earthquake occured in region: 3 km W Santa Caterina Villarmosa (CL), on

  • 01-08-1995 00:42:14 (UTC)
  • 01-08-1995 02:42:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5870, 13.9980 at 6 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Santa Caterina Villarmosa CL 3 5388 5388
Marianopoli CL 7 1906 7294
Resuttano CL 11 2038 9332
San Cataldo CL 11 23253 32585
Caltanissetta CL 12 63360 95945
Villalba CL 16 1633 97578
Alimena PA 16 2032 99610
Villarosa EN 16 4937 104547
Serradifalco CL 18 6091 110638
Vallelunga Pratameno CL 18 3461 114099
Blufi PA 20 1029 115128
Bompietro PA 20 1401 116529

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km NW of Caltanissetta (63360 inhabitants)
48 Km NE of Agrigento (59770 inhabitants)
62 Km NW of Gela (75827 inhabitants)
70 Km SE of Bagheria (55387 inhabitants)
81 Km SE of Palermo (674435 inhabitants)
86 Km NW of Vittoria (63339 inhabitants)
97 Km W of Catania (314555 inhabitants)
98 Km NW of Ragusa (73313 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
ML-VAX 1.8 		1995-08-01
00:42:14		 37.587 13.998 6 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 230089
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1995-08-01 00:42:14 ± 0.314
Latitude 37.5870 ± 0.0123
Longitude 13.9980 ± 0.0161
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 230089

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) 1974.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
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) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.01522
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 11
Type of magnitude Md
Reference to an origin 230089
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:37:50

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 230089
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
--.MO9.Z. 1995-08-01T00:42:59.37 10.0 undecidable manual SN 72 1.3875 0.52 0.4
--.ERC.Z. 1995-08-01T00:42:54.00 10.0 undecidable manual SN 292 1.1988 -0.08 0.5
--.AU9.Z. 1995-08-01T00:42:48.75 10.0 undecidable manual SG 108 1.0212 -0.84 0.3
--.PZI.Z. 1995-08-01T00:42:46.80 10.0 undecidable manual SG 124 0.9213 0.55 0.5
--.SOI.Z. 1995-08-01T00:42:44.28 10.0 undecidable manual PN 72 1.6872 0.34 1
--.MEU.Z. 1995-08-01T00:42:44.15 10.0 undecidable manual SG 125 0.8103 1.36 0.2
--.MO9.Z. 1995-08-01T00:42:41.20 10.0 undecidable manual PN 72 1.3875 1.1 0.6
--.ATN.Z. 1995-08-01T00:42:39.17 10.0 undecidable manual PN 63 1.2876 0.81 0.9
--.MNO.Z. 1995-08-01T00:42:37.45 10.0 undecidable manual SG 57 0.6438 -0.07 0.6
--.ERC.Z. 1995-08-01T00:42:35.55 10.0 positive manual PN 292 1.1988 -1.62 0.6
--.AU9.Z. 1995-08-01T00:42:33.71 10.0 positive manual PG 108 1.0212 -0.87 1.6
--.PZI.Z. 1995-08-01T00:42:32.60 10.0 negative manual PG 124 0.9213 -0.59 2.3
--.GIB.Z. 1995-08-01T00:42:30.60 10.0 undecidable manual SG 3 0.3996 0.46 0.6
--.MEU.Z. 1995-08-01T00:42:30.86 10.0 undecidable manual PG 125 0.8103 0.21 1.6
--.FAI.Z. 1995-08-01T00:42:30.39 10.0 undecidable manual SG 219 0.3996 0.6 0.4
--.MNO.Z. 1995-08-01T00:42:29.50 10.0 undecidable manual PG 57 0.6438 1.44 0.5
--.CS9.Z. 1995-08-01T00:42:28.22 10.0 undecidable manual SG 9 0.3552 0.3 0.6
--.MCT.Z. 1995-08-01T00:42:26.29 10.0 undecidable manual SG 276 0.3108 0.08 0.6
--.FAI.Z. 1995-08-01T00:42:23.51 10.0 undecidable manual PG 219 0.3996 0.37 1.4
--.MCT.Z. 1995-08-01T00:42:22.72 10.0 undecidable manual PG 276 0.3108 1.64 0.2
--.GIB.Z. 1995-08-01T00:42:22.79 10.0 negative manual PG 3 0.3996 -0.24 3.2
--.CS9.Z. 1995-08-01T00:42:21.92 10.0 positive manual PG 9 0.3552 -0.14 3.2
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