Earthquake with magnitude of Md 2.4 on date 13-02-1993 and time 12:06:59 (UTC) in region 4 km SE Pollina (PA)

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

  • 13-02-1993 12:06:59 (UTC)
  • 13-02-1993 13:06:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.9710, 14.1830 at 6 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
Tusa ME 5 2925 5899
San Mauro Castelverde PA 6 1701 7600
Castelbuono PA 9 8943 16543
Pettineo ME 10 1350 17893
Motta d'Affermo ME 11 739 18632
Geraci Siculo PA 13 1945 20577
Reitano ME 14 806 21383
Castel di Lucio ME 15 1294 22677
Santo Stefano di Camastra ME 15 4694 27371
Isnello PA 16 1589 28960
Cefalù PA 16 14393 43353
Mistretta ME 16 4791 48144
Gratteri PA 18 963 49107
Gangi PA 19 6811 55918
Petralia Sottana PA 20 2821 58739

Municipalities with at least 50000 inhabitants

An earthquake occurred to
54 Km N of Caltanissetta (63360 inhabitants)
60 Km E of Bagheria (55387 inhabitants)
74 Km E of Palermo (674435 inhabitants)
90 Km NE of Agrigento (59770 inhabitants)
95 Km NW of Catania (314555 inhabitants)
95 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 2.4 1993-02-13
12:06:59
37.971 14.183 6 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 180349
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-02-13 12:06:59 ± 0.226
Latitude 37.9710 ± 0.0184
Longitude 14.1830 ± 0.0120
Depth (km) 6 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 180349

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) 2300.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 153
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00032
Epicentral distance of station farthest from the epicenter (degree) 0.00915
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 180349
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:49:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ATN.Z. 1993-02-13T12:07:20.00 10.0 undecidable manual PG 79 1.0101 -0.46 0.1
--.MNO.Z. 1993-02-13T12:07:16.14 10.0 undecidable manual SG 95 0.3996 0.53 0
--.MNO.Z. 1993-02-13T12:07:09.11 10.0 undecidable manual PG 95 0.3996 0.14 0.8
--.GIB.Z. 1993-02-13T12:07:05.50 10.0 undecidable manual SG 278 0.1221 0.45 0.1
--.GIB.Z. 1993-02-13T12:07:03.00 10.0 undecidable manual PG 278 0.1221 0.14 1.3
--.CS9.Z. 1993-02-13T12:07:03.86 10.0 undecidable manual SG 248 0.0888 -0.13 0.4
--.CS9.Z. 1993-02-13T12:07:02.23 10.0 positive manual PG 248 0.0888 -0.02 2.8
--.PL9.Z. 1993-02-13T12:07:02.24 10.0 undecidable manual SG 303 0.0333 -0.05 0.6
--.PL9.Z. 1993-02-13T12:07:01.24 10.0 positive manual PG 303 0.0333 -0.03 2.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download