Earthquake with magnitude of Md 2.0 on date 04-06-2010 and time 15:20:54 (Italy) in region 3 km W Alia (PA)

A magnitude Md 2.0 earthquake occured in region: 3 km W Alia (PA), on

  • 04-06-2010 13:20:54 (UTC)
  • 04-06-2010 15:20:54 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7780, 13.6850 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
Alia PA 3 3623 3623
Roccapalumba PA 5 2516 6139
Lercara Friddi PA 8 6748 12887
Montemaggiore Belsito PA 11 3365 16252
Vicari PA 11 2901 19153
Aliminusa PA 13 1236 20389
Castronovo di Sicilia PA 13 3085 23474
Valledolmo PA 13 3594 27068
Sclafani Bagni PA 16 426 27494
Cammarata AG 17 6355 33849
Vallelunga Pratameno CL 17 3461 37310
Sciara PA 17 2822 40132
San Giovanni Gemini AG 17 8056 48188
Ciminna PA 17 3780 51968
Caccamo PA 17 8196 60164
Cerda PA 18 5330 65494
Campofelice di Fitalia PA 18 511 66005
Caltavuturo PA 19 4017 70022
Ventimiglia di Sicilia PA 20 1953 71975
Villalba CL 20 1633 73608

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km SE of Bagheria (55387 inhabitants)
46 Km NW of Caltanissetta (63360 inhabitants)
47 Km SE of Palermo (674435 inhabitants)
53 Km N of Agrigento (59770 inhabitants)
94 Km NW of Gela (75827 inhabitants)
97 Km E of Mazara del Vallo (51718 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 2.0 2010-06-04
13:20:54
37.778 13.685 10 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1061639
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-06-04 13:20:54 ± 0.36
Latitude 37.7780 ± 0.0108
Longitude 13.6850 ± 0.0250
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1061639

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2204
Semi-minor axis of confidence ellipse (meter) 1132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 2506.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 293
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.34174
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.0

Field Value
Value 2.0
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1061639
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:27:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIB.HHZ. 2010-06-04T13:21:07.32 0.3 undecidable manual Sg 52 37.9287 0.083 71
IV.RESU.HHZ. 2010-06-04T13:21:06.87 0.3 undecidable manual Sg 114 35.742 0.231 69
IV.CSLB.SHZ. 2010-06-04T13:21:06.87 0.3 undecidable manual Sg 62 37.1295 -0.134 71
IV.GIB.HHZ. 2010-06-04T13:21:02.02 0.3 undecidable manual Pg 52 37.9287 0.203 69
IV.RESU.HHZ. 2010-06-04T13:21:01.12 0.3 undecidable manual Pg 114 35.742 -0.35 68
IV.CSLB.SHZ. 2010-06-04T13:21:01.52 0.3 undecidable manual Pg 62 37.1295 -0.163 70
IV.ALJA.HHZ. 2010-06-04T13:20:58.53 0.1 undecidable manual Sg 119 6.8931 -0.092 100
IV.ALJA.HHZ. 2010-06-04T13:20:57.01 0.1 undecidable manual Pg 119 6.8931 0.169 98
IV.MTGR.SHZ. 2010-06-04T13:20:54.74 10.0 undecidable manual Pg 0 0 0
IV.FIU.EHZ. 2010-06-04T13:20:49.54 10.0 undecidable manual Pg 0 0 0
MN.PDG.HHZ. 2010-06-04T13:20:44.04 10.0 undecidable manual Pg 0 0 0
IV.ORI.HHE. 2010-06-04T13:20:40.27 10.0 undecidable manual Pg 0 0 0
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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