Earthquake with magnitude of Md 2.2 on date 19-03-1993 and time 18:14:22 (UTC) in region 4 km E Villarosa (EN)

A magnitude Md 2.2 earthquake occured in region: 4 km E Villarosa (EN), on

  • 19-03-1993 18:14:22 (UTC)
  • 19-03-1993 19:14:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.5870, 14.2160 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Villarosa EN 4 4937 4937
Calascibetta EN 5 4528 9465
Enna EN 6 28019 37484
Alimena PA 15 2032 39516
Santa Caterina Villarmosa CL 16 5388 44904
Leonforte EN 17 13439 58343
Caltanissetta CL 17 63360 121703
Valguarnera Caropepe EN 18 7866 129569
Assoro EN 19 5191 134760
Resuttano CL 19 2038 136798
Pietraperzia EN 20 7013 143811

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NE of Caltanissetta (63360 inhabitants)
58 Km N of Gela (75827 inhabitants)
64 Km NE of Agrigento (59770 inhabitants)
76 Km NW of Vittoria (63339 inhabitants)
77 Km W of Catania (314555 inhabitants)
83 Km SE of Bagheria (55387 inhabitants)
84 Km W of Acireale (52622 inhabitants)
87 Km NW of Ragusa (73313 inhabitants)
94 Km NW of Modica (54633 inhabitants)
95 Km SE of Palermo (674435 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 2.2
ML-VAX 1.9
1993-03-19
18:14:22
37.587 14.216 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 181899
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-03-19 18:14:22 ± 0.336
Latitude 37.5870 ± 0.0181
Longitude 14.2160 ± 0.0334
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 181899

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) 3570.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 205
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00324
Epicentral distance of station farthest from the epicenter (degree) 0.00704
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 4
Type of magnitude Md
Reference to an origin 181899
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:50:42

ML:1.9

Field Value
Value 1.9
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 181899
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
--.PZI.Z. 1993-03-19T18:14:49.68 10.0 undecidable manual SG 132 0.777 -0.05 0.7
--.MEU.Z. 1993-03-19T18:14:47.97 10.0 undecidable manual SG 134 0.6771 1.64 0
--.MNO.Z. 1993-03-19T18:14:41.29 10.0 undecidable manual SG 47 0.5106 0.36 0.8
--.GIB.Z. 1993-03-19T18:14:38.61 10.0 undecidable manual SG 339 0.4218 0.37 0.8
--.PL9.Z. 1993-03-19T18:14:38.25 10.0 undecidable manual SG 351 0.3996 0.66 0.5
--.PZI.Z. 1993-03-19T18:14:37.79 10.0 undecidable manual PG 132 0.777 -0.45 1.4
--.CS9.Z. 1993-03-19T18:14:37.51 10.0 undecidable manual SG 341 0.3552 1.22 0.2
--.MEU.Z. 1993-03-19T18:14:36.41 10.0 undecidable manual PG 134 0.6771 0.13 1.9
--.MNO.Z. 1993-03-19T18:14:32.30 10.0 undecidable manual PG 47 0.5106 -0.86 1
--.GIB.Z. 1993-03-19T18:14:31.90 10.0 undecidable manual PG 339 0.4218 -0.52 1.6
--.CS9.Z. 1993-03-19T18:14:30.93 10.0 undecidable manual PG 341 0.3552 0.45 1.8
--.PL9.Z. 1993-03-19T18:14:30.54 10.0 undecidable manual PG 351 0.3996 -0.69 1.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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