Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 23-06-2019 and time 13:17:00 (Italy) in region 3 km S Castelbuono (PA)

A magnitude ML 1.7 earthquake occured in region: 3 km S Castelbuono (PA), on

  • 23-06-2019 11:17:00 (UTC)
  • 23-06-2019 13:17:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9120, 14.0970 at 8 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.

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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 3 8943 8943
Geraci Siculo PA 8 1945 10888
San Mauro Castelverde PA 8 1701 12589
Isnello PA 9 1589 14178
Pollina PA 10 2974 17152
Petralia Sottana PA 12 2821 19973
Gratteri PA 13 963 20936
Petralia Soprana PA 13 3360 24296
Polizzi Generosa PA 14 3407 27703
Collesano PA 14 4054 31757
Tusa ME 15 2925 34682
Castellana Sicula PA 15 3411 38093
Cefalù PA 16 14393 52486
Gangi PA 16 6811 59297
Lascari PA 17 3588 62885
Scillato PA 18 613 63498
Blufi PA 18 1029 64527
Bompietro PA 18 1401 65928
Pettineo ME 18 1350 67278
Castel di Lucio ME 19 1294 68572
Motta d'Affermo ME 20 739 69311

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km N of Caltanissetta (63360 inhabitants)
55 Km E of Bagheria (55387 inhabitants)
68 Km E of Palermo (674435 inhabitants)
81 Km NE of Agrigento (59770 inhabitants)
95 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 1.7 2019-06-23
11:17:00		 37.9123 14.0972 8 2019-11-13
14:30:55		 Bollettino Sismico Italiano INGV 70603631
Reviewed
Rev100 		ML 1.7 2019-06-23
11:17:00		 37.9125 14.0972 8 2019-06-23
11:25:49		 Sala Sismica INGV-Roma 69829081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-23 11:17:00 ± 0.12
Latitude 37.9123 ± 0.0099
Longitude 14.0972 ± 0.0125
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70603631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1268
Semi-minor axis of confidence ellipse (meter) 798
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 316
Circular confidence region, given by single value of horizontal uncertainty (meter) 1270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 109
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.62593
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 70603631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-15 12:52:08

ML:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 69829081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-23 11:25:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSFR.HHE. 2019-06-23T11:17:15.90 0.3 undecidable manual S 73 45.3213 50 0.54 63
IV.MUCR.HHZ. 2019-06-23T11:17:12.39 0.1 undecidable manual P 78 69.4749 50 -0.28 86
IV.MSFR.HHE. 2019-06-23T11:17:08.53 0.1 undecidable manual P 73 45.3213 50 -0.42 87
IV.ALJA.HHE. 2019-06-23T11:17:07.45 0.1 undecidable manual P 239 35.1426 50 0.07 95
IV.RESU.HHE. 2019-06-23T11:17:06.68 0.1 undecidable manual P 187 29.6481 106 0.31 92
IV.GIB.HHZ. 2019-06-23T11:17:05.14 0.1 undecidable manual S 324 10.5783 128 0.27 95
IV.PLLN.EHZ. 2019-06-23T11:17:04.83 0.1 undecidable manual S 24 9.7791 130 0.19 97
IV.CSLB.HHZ. 2019-06-23T11:17:03.32 0.1 undecidable manual S 309 4.3956 152 -0.13 99
IV.GIB.HHZ. 2019-06-23T11:17:02.84 0.1 negative manual P 324 10.5783 128 -0.05 100
IV.PLLN.EHZ. 2019-06-23T11:17:02.69 0.1 negative manual P 24 9.7791 130 -0.06 100
IV.CSLB.HHZ. 2019-06-23T11:17:01.75 0.1 negative manual P 309 4.3956 152 -0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIB.HHN. ML:1.8 0.0008545 0.38 AML other m 2019-06-23T11:17:05.77
IV.PLLN.EHE. ML:1.5 0.0005105 1.52 AML other m 2019-06-23T11:17:06.95
IV.PLLN.EHN. ML:1.7 0.0007664999999999999 1.5 AML other m 2019-06-23T11:17:06.98
IV.GIB.HHE. ML:1.6 0.0005064999999999999 1.52 AML other m 2019-06-23T11:17:06.11
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