Earthquake with magnitude of Md 1.7 on date 09-07-2010 and time 07:40:21 (UTC) in region 5 km W Pollina (PA)

A magnitude Md 1.7 earthquake occured in region: 5 km W Pollina (PA), on

  • 09-07-2010 07:40:21 (UTC)
  • 09-07-2010 09:40:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9830, 14.0920 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 5 2974 2974
Castelbuono PA 5 8943 11917
Isnello PA 9 1589 13506
Cefalù PA 9 14393 27899
Gratteri PA 11 963 28862
San Mauro Castelverde PA 12 1701 30563
Tusa ME 13 2925 33488
Lascari PA 13 3588 37076
Geraci Siculo PA 15 1945 39021
Collesano PA 15 4054 43075
Pettineo ME 18 1350 44425
Campofelice di Roccella PA 18 7537 51962
Motta d'Affermo ME 19 739 52701
Petralia Sottana PA 20 2821 55522

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km E of Bagheria (55387 inhabitants)
55 Km N of Caltanissetta (63360 inhabitants)
66 Km E of Palermo (674435 inhabitants)
87 Km NE of Agrigento (59770 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 2010-07-09
07:40:21
37.983 14.092 6 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1079759
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-07-09 07:40:21 ± 0.05
Latitude 37.9830 ± 0.0009
Longitude 14.0920 ± 0.0011
Depth (km) 6 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1079759

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 143
Semi-minor axis of confidence ellipse (meter) 21
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 344
Circular confidence region, given by single value of horizontal uncertainty (meter) 141.4
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 8
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.03
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.05306
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 3
Magnitude information

Md:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1079759
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:50:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSLB.SHZ. 2010-07-09T07:40:23.96 0.3 undecidable manual Sg 210 5.8941 -0.019 75
IV.PLLN.SHZ. 2010-07-09T07:40:23.68 0.3 undecidable manual Sg 77 4.5954 0.008 75
IV.GIB.HHZ. 2010-07-09T07:40:23.97 0.3 undecidable manual Sg 278 5.7942 0.012 75
IV.GIB.HHZ. 2010-07-09T07:40:22.77 0.1 positive manual Pg 278 5.7942 -0.015 100
IV.CSLB.SHZ. 2010-07-09T07:40:22.83 0.3 undecidable manual Pg 210 5.8941 0.034 74
IV.PLLN.SHZ. 2010-07-09T07:40:22.61 0.1 positive manual Pg 77 4.5954 -0.009 100
IV.STR3.BHN. 2010-07-09T07:40:08.80 10.0 undecidable manual Pg 0 0 0
IV.STR4.BHN. 2010-07-09T07:40:08.34 10.0 undecidable manual Pg 0 0 0
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