Earthquake with magnitude of ML 1.3 on date 09-09-2018 and time 02:48:47 (Italy) in region 7 km SE Collesano (PA)

A magnitude ML 1.3 earthquake occured in region: 7 km SE Collesano (PA), on

  • 09-09-2018 00:48:47 (UTC)
  • 09-09-2018 02:48:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8840, 13.9960 at 15 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
Collesano PA 7 4054 4054
Isnello PA 7 1589 5643
Polizzi Generosa PA 8 3407 9050
Scillato PA 8 613 9663
Gratteri PA 10 963 10626
Castelbuono PA 10 8943 19569
Caltavuturo PA 12 4017 23586
Castellana Sicula PA 12 3411 26997
Petralia Sottana PA 12 2821 29818
Petralia Soprana PA 14 3360 33178
Lascari PA 14 3588 36766
Geraci Siculo PA 14 1945 38711
Sclafani Bagni PA 14 426 39137
Campofelice di Roccella PA 15 7537 46674
Cerda PA 16 5330 52004
Blufi PA 16 1029 53033
San Mauro Castelverde PA 17 1701 54734
Cefalù PA 18 14393 69127
Bompietro PA 18 1401 70528
Pollina PA 18 2974 73502
Aliminusa PA 19 1236 74738

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km N of Caltanissetta (63360 inhabitants)
48 Km E of Bagheria (55387 inhabitants)
61 Km E of Palermo (674435 inhabitants)
73 Km NE of Agrigento (59770 inhabitants)
94 Km N of Gela (75827 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 1.3 2018-09-09
00:48:47
37.8845 13.9963 15 2019-06-04
09:16:15
Bollettino Sismico Italiano INGV 68187301
Reviewed
Rev100
ML 1.3 2018-09-09
00:48:47
37.8873 13.9973 16 2018-09-09
00:53:20
Sala Sismica INGV-Roma 60720541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-09-09 00:48:47 ± 0.15
Latitude 37.8845 ± 0.0054
Longitude 13.9963 ± 0.0068
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68187301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 713
Semi-minor axis of confidence ellipse (meter) 270
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 321
Circular confidence region, given by single value of horizontal uncertainty (meter) 710.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 168
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.24192
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 68187301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-02 13:38:47

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 60720541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-09-09 00:53:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ALJA.HHZ. 2018-09-09T00:48:57.47 0.3 undecidable manual S 235 26.0517 107 0.04 74
IV.RESU.HHZ. 2018-09-09T00:48:57.84 0.6 undecidable manual S 169 26.8509 106 0.19 48
IV.CSLB.HHZ. 2018-09-09T00:48:53.52 0.3 undecidable manual S 43 7.9809 146 0.08 75
IV.PETRA.HHZ. 2018-09-09T00:48:53.95 0.3 undecidable manual S 119 11.7771 134 -0.15 75
IV.ALJA.HHZ. 2018-09-09T00:48:53.21 0.3 undecidable manual P 235 26.0517 107 -0.18 71
IV.RESU.HHZ. 2018-09-09T00:48:53.61 0.3 undecidable manual P 169 26.8509 106 0.1 73
IV.PLLN.EHE. 2018-09-09T00:48:52.08 0.3 undecidable manual P 47 17.5713 119 -0.1 74
IV.CSLB.HHZ. 2018-09-09T00:48:51.24 0.1 undecidable manual P 43 7.9809 146 0.16 99
IV.PETRA.HHZ. 2018-09-09T00:48:51.34 0.1 undecidable manual P 119 11.7771 134 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PETRA.HHE. ML:1.5 0.00028300000000000005 0.52 AML other m 2018-09-09T00:48:54.86
IV.CSLB.HHE. ML:1.0 0.0000906 0.24 AML other m 2018-09-09T00:48:55.86
IV.CSLB.HHN. ML:0.8 0.0000675 0.42 AML other m 2018-09-09T00:48:56.58
IV.PETRA.HHN. ML:1.4 0.0002205 0.34 AML other m 2018-09-09T00:48:57.51
IV.ALJA.HHE. ML:1.1 0.0000722 1.22 AML other m 2018-09-09T00:48:58.87
IV.ALJA.HHN. ML:1.2 0.0000877 1.36 AML other m 2018-09-09T00:49:00.94
IV.RESU.HHN. ML:1.6 0.0001795 0.4 AML other m 2018-09-09T00:49:00.44
IV.RESU.HHE. ML:1.4 0.00010955 0.42 AML other m 2018-09-09T00:49:00.64
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