Earthquake with magnitude of ML 1.7 on date 28-07-2008 and time 04:35:37 (UTC) in region 5 km SW Gangi (PA)

A magnitude ML 1.7 earthquake occured in region: 5 km SW Gangi (PA), on

  • 28-07-2008 04:35:37 (UTC)
  • 28-07-2008 06:35:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7750, 14.1590 at 11 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
Gangi PA 5 6811 6811
Petralia Soprana PA 5 3360 10171
Bompietro PA 6 1401 11572
Petralia Sottana PA 7 2821 14393
Blufi PA 8 1029 15422
Geraci Siculo PA 10 1945 17367
Alimena PA 10 2032 19399
Castellana Sicula PA 10 3411 22810
Polizzi Generosa PA 15 3407 26217
Resuttano CL 15 2038 28255
San Mauro Castelverde PA 16 1701 29956
Sperlinga EN 17 805 30761
Castel di Lucio ME 18 1294 32055
Castelbuono PA 19 8943 40998

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Caltanissetta (63360 inhabitants)
66 Km SE of Bagheria (55387 inhabitants)
72 Km NE of Agrigento (59770 inhabitants)
79 Km N of Gela (75827 inhabitants)
80 Km SE of Palermo (674435 inhabitants)
87 Km W of Catania (314555 inhabitants)
91 Km W of Acireale (52622 inhabitants)
98 Km NW of Vittoria (63339 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 2.1
ML 1.7
2008-07-28
04:35:37
37.775 14.159 11 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 706949
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2008-07-28 04:35:37 ± 0.45
Latitude 37.7750 ± 0.0315
Longitude 14.1590 ± 0.0330
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 706949

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 4474
Semi-minor axis of confidence ellipse (meter) 737
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 4545.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 233
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77252
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 706949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:23:09

Md:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 706949
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 13:23:09
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MCRV.HHN. 2008-07-28T04:35:53.34 10.0 undecidable manual Pg 0 0 0
IV.RESU.HHE. 2008-07-28T04:35:53.43 10.0 undecidable manual Pg 0 0 0
I1.IACL.BHN. 2008-07-28T04:35:52.35 0.3 undecidable manual Pg 11 85.7475 0.09 69
IV.GALF.HHZ. 2008-07-28T04:35:49.90 0.3 undecidable manual Sg 101 36.4413 0.062 76
IV.GIB.EHZ. 2008-07-28T04:35:47.16 0.3 undecidable manual Sg 334 26.5512 -0.027 78
IV.CSLB.SHZ. 2008-07-28T04:35:45.31 0.3 undecidable manual Sg 334 20.0688 -0.148 77
IV.GALF.HHZ. 2008-07-28T04:35:44.53 0.1 undecidable manual Pg 101 36.4413 -0.131 100
IV.GIB.EHZ. 2008-07-28T04:35:42.87 0.1 undecidable manual Pg 334 26.5512 -0.26 99
IV.CSLB.SHZ. 2008-07-28T04:35:42.72 0.3 undecidable manual Pg 334 20.0688 0.589 69
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