Earthquake with magnitude of Md 2.8 on date 19-05-1993 and time 23:49:55 (Italy) in region 3 km SE Pollina (PA)

A magnitude Md 2.8 earthquake occured in region: 3 km SE Pollina (PA), on

  • 19-05-1993 21:49:55 (UTC)
  • 19-05-1993 23:49:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.98, 14.17 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 11 1350 17893
Motta d'Affermo ME 12 739 18632
Geraci Siculo PA 13 1945 20577
Cefal├╣ PA 15 14393 34970
Isnello PA 15 1589 36559
Reitano ME 15 806 37365
Castel di Lucio ME 16 1294 38659
Santo Stefano di Camastra ME 16 4694 43353
Gratteri PA 17 963 44316
Mistretta ME 18 4791 49107
Gangi PA 20 6811 55918
Petralia Sottana PA 20 2821 58739

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)
90 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 2.8
ML-VAX 2.0
1993-05-19
21:49:55
37.98 14.17 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 185499
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-05-19 21:49:55 ± 0.257
Latitude 37.98 ± 0.03
Longitude 14.17 ± 0.02
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 185499

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) 3677.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 113
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00024
Epicentral distance of station farthest from the epicenter (degree) 0.01336
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

Md:2.8

Field Value
Value 2.8
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 185499
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:54:07

ML:2

Field Value
Value 2
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 185499
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 Takeoff_angle Residual Weight
--.MO9.Z. 1993-05-19T21:50:37.55 10.0 undecidable manual SN 88 0.0108 1.33 0.3
--.AU9.Z. 1993-05-19T21:50:35.77 10.0 undecidable manual SN 130 0.0099 1.9 0.1
--.ATN.Z. 1993-05-19T21:50:30.19 10.0 undecidable manual SG 79 0.0092 -1.66 0.2
--.SA1.Z. 1993-05-19T21:50:24.69 10.0 undecidable manual SG 41 0.007 0.83 0.6
--.SOI.Z. 1993-05-19T21:50:24.71 10.0 undecidable manual PN 85 0.0134 1.62 0.4
--.MO9.Z. 1993-05-19T21:50:19.43 10.0 undecidable manual PN 88 0.0108 0.27 1.5
--.CVT.Z. 1993-05-19T21:50:19.87 10.0 undecidable manual PN 255 0.0101 1.66 0.4
--.AU9.Z. 1993-05-19T21:50:17.26 10.0 undecidable manual PN 130 0.0099 -0.55 1.4
--.ATN.Z. 1993-05-19T21:50:15.43 10.0 undecidable manual PG 79 0.0092 -1.21 0.8
--.MNO.Z. 1993-05-19T21:50:12.93 10.0 undecidable manual SG 95 0.0037 1.02 0.5
--.SA1.Z. 1993-05-19T21:50:11.38 10.0 undecidable manual PG 41 0.007 -0.65 1.6
--.MNO.Z. 1993-05-19T21:50:04.12 10.0 undecidable manual PG 95 0.0037 -1.01 1.3
--.GIB.Z. 1993-05-19T21:50:01.50 10.0 undecidable manual SG 276 0.001 0.41 0.8
--.PL9.Z. 1993-05-19T21:49:59.00 10.0 undecidable manual SG 305 0.0002 1.1 0.5
--.CS9.Z. 1993-05-19T21:49:59.22 10.0 undecidable manual SG 244 0.0007 -0.47 0.8
--.CS9.Z. 1993-05-19T21:49:57.45 10.0 positive manual PG 244 0.0007 -0.62 3.5
--.GIB.Z. 1993-05-19T21:49:57.95 10.0 undecidable manual PG 276 0.001 -0.67 1.7
--.PL9.Z. 1993-05-19T21:49:56.50 10.0 undecidable manual PG 305 0.0002 -0.54 1.8
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
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