Earthquake with magnitude of Md 1.9 on date 16-07-2012 and time 06:56:06 (Italy) in region 6 km SW Camporeale (PA)

A magnitude Md 1.9 earthquake occured in region: 6 km SW Camporeale (PA), on

  • 16-07-2012 04:56:06 (UTC)
  • 16-07-2012 06:56:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8610, 13.0420 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
Camporeale PA 6 3373 3373
Roccamena PA 10 1505 4878
Poggioreale TP 11 1494 6372
Salaparuta TP 12 1696 8068
Alcamo TP 15 45307 53375
Gibellina TP 16 4115 57490
San Cipirello PA 17 5372 62862
Calatafimi-Segesta TP 17 6712 69574
Santa Ninfa TP 17 5043 74617
San Giuseppe Jato PA 17 8650 83267
Montevago AG 18 3006 86273
Santa Margherita di Belice AG 19 6363 92636
Contessa Entellina PA 19 1766 94402
Vita TP 20 2056 96458

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SW of Palermo (674435 inhabitants)
46 Km NE of Mazara del Vallo (51718 inhabitants)
48 Km SW of Bagheria (55387 inhabitants)
50 Km E of Trapani (68759 inhabitants)
54 Km E of Marsala (83194 inhabitants)
78 Km NW of Agrigento (59770 inhabitants)
99 Km W of Caltanissetta (63360 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
Reviewed
Rev100
Md 1.8 2012-07-16
04:56:06
37.874 13.0248 13 2014-10-21
12:08:56
Sala Sismica INGV-Roma 1837681
Bulletin
Rev1000
Md 1.9 2012-07-16
04:56:06
37.8608 13.0417 10 2014-09-19
08:14:18
Bollettino Sismico Italiano INGV 2892621
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2012-07-16 04:56:06 ± 0.31
Latitude 37.8608 ± 0.0270
Longitude 13.0417 ± 0.0296
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 2892621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3815
Semi-minor axis of confidence ellipse (meter) 987
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 319
Circular confidence region, given by single value of horizontal uncertainty (meter) 3810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 208
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) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.20954
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:1.9

Field Value
Value 1.9
Uncertainty 0.1
Num. used stations 3
Type of magnitude Md
Reference to an origin 2892621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-28 13:36:57

Md:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 4
Type of magnitude Md
Reference to an origin 1837681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2012-07-16 05:08:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CORL.HHZ. 2012-07-16T04:56:16.00 0.6 undecidable manual S 81 23.2545 50 0.23 48
IV.MMGO.SHZ. 2012-07-16T04:56:15.30 0.6 undecidable manual S 195 22.755 50 -0.35 47
IV.MFNL.SHZ. 2012-07-16T04:56:13.10 0.6 undecidable manual S 233 13.0758 129 0.35 48
IV.MMGO.SHZ. 2012-07-16T04:56:12.35 0.3 undecidable manual P 195 22.755 50 0.37 70
IV.CORL.HHZ. 2012-07-16T04:56:11.90 0.3 undecidable manual P 81 23.2545 50 -0.15 73
IV.CRJA.SHZ. 2012-07-16T04:56:11.50 0.6 undecidable manual S 207 7.3815 145 0.12 50
IV.MFNL.SHZ. 2012-07-16T04:56:09.97 0.6 undecidable manual P 233 13.0758 129 -0.33 48
IV.CRJA.SHZ. 2012-07-16T04:56:09.36 0.1 undecidable manual P 207 7.3815 145 -0.16 100
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