Earthquake with magnitude of ML 0.6 on date 25-09-2016 and time 04:39:07 (Italy) in region 4 km S Castelbuono (PA)

A magnitude ML 0.6 earthquake occured in region: 4 km S Castelbuono (PA), on

  • 25-09-2016 02:39:07 (UTC)
  • 25-09-2016 04:39:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8980, 14.0940 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
Castelbuono PA 4 8943 8943
Geraci Siculo PA 7 1945 10888
San Mauro Castelverde PA 9 1701 12589
Isnello PA 9 1589 14178
Petralia Sottana PA 10 2821 16999
Petralia Soprana PA 11 3360 20359
Pollina PA 12 2974 23333
Polizzi Generosa PA 12 3407 26740
Gratteri PA 13 963 27703
Castellana Sicula PA 13 3411 31114
Collesano PA 14 4054 35168
Gangi PA 15 6811 41979
Blufi PA 16 1029 43008
Tusa ME 16 2925 45933
Bompietro PA 17 1401 47334
Scillato PA 17 613 47947
Cefalù PA 17 14393 62340
Lascari PA 18 3588 65928
Pettineo ME 19 1350 67278
Castel di Lucio ME 19 1294 68572
Caltavuturo PA 20 4017 72589

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km N of Caltanissetta (63360 inhabitants)
55 Km E of Bagheria (55387 inhabitants)
69 Km E of Palermo (674435 inhabitants)
79 Km NE of Agrigento (59770 inhabitants)
93 Km N of Gela (75827 inhabitants)
98 Km W of Catania (314555 inhabitants)
100 Km W of Acireale (52622 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
ML 0.6 2016-09-25
02:39:07
37.8975 14.0935 11 2017-04-18
13:04:38
Bollettino Sismico Italiano INGV 43053491
Reviewed
Rev100
ML 0.8 2016-09-25
02:39:06
37.8782 14.1432 19 2016-09-25
02:53:27
Sala Sismica INGV-Roma 29502371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-09-25 02:39:07 ± 0.12
Latitude 37.8975 ± 0.0072
Longitude 14.0935 ± 0.0160
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 43053491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1400
Semi-minor axis of confidence ellipse (meter) 760
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 268
Circular confidence region, given by single value of horizontal uncertainty (meter) 1400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.04856
Epicentral distance of station farthest from the epicenter (degree) 0.10702
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 43053491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-04-18 13:04:38

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 29502371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-09-25 02:53:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLLN.EHZ. 2016-09-25T02:39:13.27 0.3 undecidable manual S 22 11.3775 111 -0.08 74
IV.GIB.HHZ. 2016-09-25T02:39:13.95 0.3 undecidable manual S 330 11.877 108 0.49 67
IV.PETRA.HHZ. 2016-09-25T02:39:12.58 0.3 undecidable manual S 165 7.2927 134 0.14 74
IV.GIB.HHZ. 2016-09-25T02:39:11.07 0.1 undecidable manual P 330 11.877 108 -0.01 100
IV.CSLB.HHZ. 2016-09-25T02:39:11.78 0.6 undecidable manual S 325 5.3946 145 -0.33 47
IV.PLLN.EHZ. 2016-09-25T02:39:11.03 0.1 undecidable manual P 22 11.3775 111 0.02 100
IV.CSLB.HHZ. 2016-09-25T02:39:10.06 0.1 undecidable manual P 325 5.3946 145 -0.24 96
IV.PETRA.HHZ. 2016-09-25T02:39:10.49 0.1 undecidable manual P 165 7.2927 134 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHE. ML:0.5 0.0000434 1.26 AML other m 2016-09-25T02:39:13.78
IV.PETRA.HHN. ML:0.7 0.00006570000000000001 1.26 AML other m 2016-09-25T02:39:14.03
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