Earthquake with magnitude of Md 2.4 on date 13-05-1993 and time 09:37:39 (UTC) in region 4 km SE Pollina (PA)

A magnitude Md 2.4 earthquake occured in region: 4 km SE Pollina (PA), on

  • 13-05-1993 09:37:39 (UTC)
  • 13-05-1993 11:37:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9650, 14.1640 at 4 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 4 2974 2974
San Mauro Castelverde PA 6 1701 4675
Tusa ME 7 2925 7600
Castelbuono PA 7 8943 16543
Pettineo ME 11 1350 17893
Geraci Siculo PA 12 1945 19838
Motta d'Affermo ME 12 739 20577
Isnello PA 14 1589 22166
Cefalù PA 15 14393 36559
Castel di Lucio ME 16 1294 37853
Reitano ME 16 806 38659
Gratteri PA 17 963 39622
Santo Stefano di Camastra ME 17 4694 44316
Mistretta ME 18 4791 49107
Petralia Sottana PA 19 2821 51928
Gangi PA 19 6811 58739
Petralia Soprana PA 19 3360 62099
Lascari PA 20 3588 65687

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km N of Caltanissetta (63360 inhabitants)
59 Km E of Bagheria (55387 inhabitants)
72 Km E of Palermo (674435 inhabitants)
89 Km NE of Agrigento (59770 inhabitants)
96 Km NW of Catania (314555 inhabitants)
96 Km W of Acireale (52622 inhabitants)
100 Km N of Gela (75827 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 2.4
ML-VAX 1.8
1993-05-13
09:37:39
37.965 14.164 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 185149
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-05-13 09:37:39 ± 0.157
Latitude 37.9650 ± 0.0147
Longitude 14.1640 ± 0.0118
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 185149

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) 1933.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 154
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
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 5
Number of stations from which data was used for origin computation 5
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 185149
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:53:47

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 185149
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. 1993-05-13T09:38:06.52 10.0 undecidable manual PN 85 1.4874 -0.08 0.6
--.MNO.Z. 1993-05-13T09:37:54.68 10.0 undecidable manual SG 94 0.4107 -0.6 0
--.MNO.Z. 1993-05-13T09:37:48.82 10.0 undecidable manual PG 94 0.4107 0.39 0.4
--.GIB.Z. 1993-05-13T09:37:43.79 10.0 undecidable manual SG 282 0.111 0.27 0.4
--.CS9.Z. 1993-05-13T09:37:42.00 10.0 undecidable manual SG 249 0.0666 -0.33 0.3
--.CS9.Z. 1993-05-13T09:37:41.10 10.0 undecidable manual PG 249 0.0666 0.15 1.5
--.GIB.Z. 1993-05-13T09:37:41.46 10.0 undecidable manual PG 282 0.111 -0.18 1.4
--.PL9.Z. 1993-05-13T09:37:40.72 10.0 undecidable manual SG 329 0.0222 -0.1 0.7
--.PL9.Z. 1993-05-13T09:37:40.90 10.0 negative manual PG 329 0.0222 0.01 3.7
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download