Earthquake with magnitude of Md 1.7 on date 05-08-1993 and time 06:32:34 (Italy) in region 3 km E Pollina (PA)

A magnitude Md 1.7 earthquake occured in region: 3 km E Pollina (PA), on

  • 05-08-1993 04:32:34 (UTC)
  • 05-08-1993 06:32:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9840, 14.1840 at 10 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 8 1701 7600
Pettineo ME 10 1350 8950
Castelbuono PA 10 8943 17893
Motta d'Affermo ME 10 739 18632
Geraci Siculo PA 14 1945 20577
Reitano ME 14 806 21383
Santo Stefano di Camastra ME 15 4694 26077
Castel di Lucio ME 15 1294 27371
Cefalù PA 16 14393 41764
Isnello PA 16 1589 43353
Mistretta ME 17 4791 48144
Gratteri PA 19 963 49107

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km N of Caltanissetta (63360 inhabitants)
60 Km E of Bagheria (55387 inhabitants)
73 Km E of Palermo (674435 inhabitants)
92 Km NE of Agrigento (59770 inhabitants)
96 Km W of Acireale (52622 inhabitants)
96 Km NW of Catania (314555 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 1.7 1993-08-05
04:32:34
37.984 14.184 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 193179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1993-08-05 04:32:34 ± 0.8
Latitude 37.9840 ± 0.0456
Longitude 14.1840 ± 0.0221
Depth (km) 10 ± 4 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 193179

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) 5431.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 210
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00105
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 193179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:01:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.GIB.Z. 1993-08-05T04:32:40.78 10.0 undecidable manual SG 272 0.1221 0.31 0.4
--.TU9.Z. 1993-08-05T04:32:39.15 10.0 undecidable manual SG 133 0.0222 0.96 0
--.CS9.Z. 1993-08-05T04:32:39.10 10.0 undecidable manual SG 242 0.0999 -0.65 0.1
--.GIB.Z. 1993-08-05T04:32:38.70 10.0 undecidable manual PG 272 0.1221 0.06 1.3
--.PL9.Z. 1993-08-05T04:32:37.80 10.0 undecidable manual SG 283 0.0222 -0.41 0.4
--.CS9.Z. 1993-08-05T04:32:37.90 10.0 undecidable manual PG 242 0.0999 0.31 1.1
--.TU9.Z. 1993-08-05T04:32:36.44 10.0 negative manual PG 133 0.0222 -0.25 2.9
--.PL9.Z. 1993-08-05T04:32:36.70 10.0 undecidable manual PG 283 0.0222 0 1.8
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