Earthquake with magnitude of Md 2.3 on date 27-06-1993 and time 05:47:30 (UTC) in region 4 km S Pollina (PA)

A magnitude Md 2.3 earthquake occured in region: 4 km S Pollina (PA), on

  • 27-06-1993 05:47:30 (UTC)
  • 27-06-1993 07:47:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9590, 14.1620 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 5 1701 4675
Castelbuono PA 7 8943 13618
Tusa ME 7 2925 16543
Geraci Siculo PA 11 1945 18488
Pettineo ME 11 1350 19838
Motta d'Affermo ME 13 739 20577
Isnello PA 14 1589 22166
Cefalù PA 15 14393 36559
Castel di Lucio ME 15 1294 37853
Reitano ME 16 806 38659
Gratteri PA 17 963 39622
Santo Stefano di Camastra ME 18 4694 44316
Mistretta ME 18 4791 49107
Petralia Sottana PA 18 2821 51928
Gangi PA 18 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)
88 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 2.3 1993-06-27
05:47:30
37.959 14.162 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 188639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-06-27 05:47:30 ± 0.216
Latitude 37.9590 ± 0.0162
Longitude 14.1620 ± 0.0119
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 188639

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) 2074.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 159
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) 0.00931
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 188639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 19:57:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ATN.Z. 1993-06-27T05:47:51.21 10.0 undecidable manual PG 78 1.0323 -0.66 0.1
--.SA1.Z. 1993-06-27T05:47:48.00 10.0 undecidable manual PG 40 0.7992 0.62 0.2
--.MNO.Z. 1993-06-27T05:47:40.42 10.0 undecidable manual PG 93 0.4107 0.28 0.9
--.GIB.Z. 1993-06-27T05:47:35.54 10.0 undecidable manual SG 285 0.111 0.34 0.4
--.CS9.Z. 1993-06-27T05:47:34.18 10.0 undecidable manual SG 252 0.0666 0.28 0.4
--.GIB.Z. 1993-06-27T05:47:33.11 10.0 negative manual PG 285 0.111 -0.21 2.4
--.PL9.Z. 1993-06-27T05:47:32.66 10.0 undecidable manual SG 336 0.0222 0.03 0.6
--.CS9.Z. 1993-06-27T05:47:32.70 10.0 undecidable manual PG 252 0.0666 0.13 1.3
--.PL9.Z. 1993-06-27T05:47:31.72 10.0 negative manual PG 336 0.0222 -0.11 2.7
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