Earthquake with magnitude of Md 2.5 on date 14-05-1993 and time 21:06:33 (UTC) in region 3 km SE Pollina (PA)

A magnitude Md 2.5 earthquake occured in region: 3 km SE Pollina (PA), on

  • 14-05-1993 21:06:33 (UTC)
  • 14-05-1993 23:06:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9810, 14.1770 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
Pollina PA 3 2974 2974
Tusa ME 6 2925 5899
San Mauro Castelverde PA 7 1701 7600
Castelbuono PA 9 8943 16543
Pettineo ME 10 1350 17893
Motta d'Affermo ME 11 739 18632
Geraci Siculo PA 14 1945 20577
Reitano ME 15 806 21383
Cefalù PA 15 14393 35776
Isnello PA 15 1589 37365
Santo Stefano di Camastra ME 16 4694 42059
Castel di Lucio ME 16 1294 43353
Mistretta ME 17 4791 48144
Gratteri PA 18 963 49107

Municipalities with at least 50000 inhabitants

An earthquake occurred to
55 Km N of Caltanissetta (63360 inhabitants)
59 Km E of Bagheria (55387 inhabitants)
73 Km E of Palermo (674435 inhabitants)
91 Km NE of Agrigento (59770 inhabitants)
96 Km NW of Catania (314555 inhabitants)
96 Km W of Acireale (52622 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 2.2
1993-05-14
21:06:33
37.981 14.177 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 185229
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-05-14 21:06:33 ± 0.184
Latitude 37.9810 ± 0.0243
Longitude 14.1770 ± 0.0131
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 185229

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) 2932.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 134
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) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.01328
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 7
Type of magnitude Md
Reference to an origin 185229
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:53:52

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 5
Type of magnitude ML
Reference to an origin 185229
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
--.SOI.Z. 1993-05-14T21:07:01.10 10.0 undecidable manual PN 85 1.4763 0.55 0.6
--.CVT.Z. 1993-05-14T21:06:56.19 10.0 undecidable manual PN 254 1.1322 0.39 0.9
--.MO9.Z. 1993-05-14T21:06:56.86 10.0 undecidable manual PN 88 1.1877 0.24 1
--.SA1.Z. 1993-05-14T21:06:49.50 10.0 undecidable manual PG 41 0.777 0.07 1.4
--.MNO.Z. 1993-05-14T21:06:48.60 10.0 undecidable manual SG 96 0.3996 -1.22 0.1
--.MCT.Z. 1993-05-14T21:06:46.89 10.0 undecidable manual PG 231 0.5772 1.16 0.3
--.MNO.Z. 1993-05-14T21:06:42.50 10.0 undecidable manual PG 96 0.3996 -0.06 1.8
--.GIB.Z. 1993-05-14T21:06:38.39 10.0 undecidable manual SG 274 0.1221 0.11 0.7
--.CS9.Z. 1993-05-14T21:06:37.50 10.0 undecidable manual SG 242 0.0888 0.1 0.7
--.PL9.Z. 1993-05-14T21:06:36.70 10.0 undecidable manual SG 292 0.0222 0.63 0.4
--.CS9.Z. 1993-05-14T21:06:35.70 10.0 positive manual PG 242 0.0888 -0.63 2.1
--.GIB.Z. 1993-05-14T21:06:35.29 10.0 undecidable manual PG 274 0.1221 -0.92 0.6
--.PL9.Z. 1993-05-14T21:06:34.12 10.0 positive manual PG 292 0.0222 -0.45 2.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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