Earthquake with magnitude of Md 2.3 on date 26-06-1993 and time 19:53:31 (Italy) in region 3 km S Pollina (PA)

A magnitude Md 2.3 earthquake occured in region: 3 km S Pollina (PA), on

  • 26-06-1993 17:53:31 (UTC)
  • 26-06-1993 19:53:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9650, 14.1430 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
Castelbuono PA 6 8943 11917
San Mauro Castelverde PA 7 1701 13618
Tusa ME 9 2925 16543
Geraci Siculo PA 12 1945 18488
Isnello PA 12 1589 20077
Pettineo ME 13 1350 21427
Cefalù PA 14 14393 35820
Motta d'Affermo ME 14 739 36559
Gratteri PA 15 963 37522
Castel di Lucio ME 17 1294 38816
Reitano ME 18 806 39622
Petralia Sottana PA 18 2821 42443
Lascari PA 18 3588 46031
Collesano PA 19 4054 50085
Petralia Soprana PA 19 3360 53445
Santo Stefano di Camastra ME 19 4694 58139
Gangi PA 19 6811 64950
Mistretta ME 20 4791 69741

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km N of Caltanissetta (63360 inhabitants)
57 Km E of Bagheria (55387 inhabitants)
70 Km E of Palermo (674435 inhabitants)
88 Km NE of Agrigento (59770 inhabitants)
98 Km NW of Catania (314555 inhabitants)
98 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 2.3
ML-VAX 2.2
1993-06-26
17:53:31
37.965 14.143 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 188289
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-06-26 17:53:31 ± 0.17
Latitude 37.9650 ± 0.0189
Longitude 14.1430 ± 0.0123
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 188289

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) 2363.7
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 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00016
Epicentral distance of station farthest from the epicenter (degree) 0.01352
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 188289
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:56:54

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 188289
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. 1993-06-26T17:54:00.68 10.0 undecidable manual PN 85 1.4985 1.21 0.1
--.MO9.Z. 1993-06-26T17:53:56.45 10.0 undecidable manual PN 87 1.2099 0.91 0.3
--.AU9.Z. 1993-06-26T17:53:53.36 10.0 undecidable manual PN 129 1.11 -0.65 0.5
--.ATN.Z. 1993-06-26T17:53:53.00 10.0 undecidable manual PG 79 1.0545 -0.15 1
--.MNO.Z. 1993-06-26T17:53:48.98 10.0 undecidable manual SG 94 0.4329 0.2 0.6
--.MNO.Z. 1993-06-26T17:53:41.10 10.0 undecidable manual PG 94 0.4329 -0.64 0.9
--.GIB.Z. 1993-06-26T17:53:36.46 10.0 undecidable manual SG 284 0.0888 0.5 0.4
--.CS9.Z. 1993-06-26T17:53:35.00 10.0 undecidable manual SG 243 0.0666 0.1 0.6
--.GIB.Z. 1993-06-26T17:53:34.10 10.0 undecidable manual PG 284 0.0888 -0.24 1.5
--.CS9.Z. 1993-06-26T17:53:33.65 10.0 positive manual PG 243 0.0666 0.01 3.2
--.PL9.Z. 1993-06-26T17:53:33.54 10.0 undecidable manual SG 1 0.0222 -0.39 0.5
--.PL9.Z. 1993-06-26T17:53:32.60 10.0 positive manual PG 1 0.0222 -0.48 2.3
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