Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 03-05-2019 and time 19:21:18 (UTC) in region 2 km SE Castelbuono (PA)

A magnitude ML 2.0 earthquake occured in region: 2 km SE Castelbuono (PA), on

  • 03-05-2019 19:21:18 (UTC)
  • 03-05-2019 21:21:18 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9180, 14.1040 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 2 8943 8943
San Mauro Castelverde PA 8 1701 10644
Geraci Siculo PA 8 1945 12589
Isnello PA 9 1589 14178
Pollina PA 9 2974 17152
Petralia Sottana PA 12 2821 19973
Gratteri PA 13 963 20936
Petralia Soprana PA 13 3360 24296
Tusa ME 14 2925 27221
Collesano PA 15 4054 31275
Polizzi Generosa PA 15 3407 34682
Cefalù PA 15 14393 49075
Castellana Sicula PA 16 3411 52486
Gangi PA 16 6811 59297
Lascari PA 17 3588 62885
Pettineo ME 17 1350 64235
Blufi PA 18 1029 65264
Castel di Lucio ME 19 1294 66558
Scillato PA 19 613 67171
Bompietro PA 19 1401 68572
Motta d'Affermo ME 19 739 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)
69 Km E of Palermo (674435 inhabitants)
82 Km NE of Agrigento (59770 inhabitants)
96 Km N of Gela (75827 inhabitants)
98 Km NW of Catania (314555 inhabitants)
99 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 2.0 2019-05-03
19:21:18		 37.9178 14.1038 8 2019-11-13
14:30:58		 Bollettino Sismico Italiano INGV 71548201
Reviewed
Rev100 		ML 2.1 2019-05-03
19:21:18		 37.9167 14.1137 7 2019-05-03
19:27:51		 Sala Sismica INGV-Roma 68225661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-05-03 19:21:18 ± 0.11
Latitude 37.9178 ± 0.0072
Longitude 14.1038 ± 0.0103
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 71548201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 916
Semi-minor axis of confidence ellipse (meter) 719
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 305
Circular confidence region, given by single value of horizontal uncertainty (meter) 920.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 58
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.08098
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 71548201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-16 13:58:50

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 68225661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-05-03 19:27:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2019-05-03T19:21:39.27 0.6 negative manual P 134 119.991 50 0.8 33
IV.AIO.HHZ. 2019-05-03T19:21:35.20 0.6 undecidable manual P 86 98.9232 50 -0.04 42
IV.MBFT.HHZ. 2019-05-03T19:21:35.81 0.3 undecidable manual P 272 100.7214 50 0.3 60
IV.CMDO.HHZ. 2019-05-03T19:21:32.22 3.0 undecidable manual P 0
IV.CPTP.HHZ. 2019-05-03T19:21:32.84 3.0 undecidable manual P 0
IV.IFIL.HHE. 2019-05-03T19:21:32.82 0.1 undecidable manual P 30 82.6506 50 0.09 86
IV.ALJA.HHZ. 2019-05-03T19:21:31.57 0.6 undecidable manual S 239 35.9418 102 0.68 40
IV.IACL.HHZ. 2019-05-03T19:21:31.09 0.1 undecidable manual P 18 71.6727 50 0.06 89
IV.MPG.SHZ. 2019-05-03T19:21:30.88 0.3 undecidable manual P 293 70.374 50 0.04 67
IV.MUCR.HHZ. 2019-05-03T19:21:30.27 0.3 negative manual P 78 68.7756 50 -0.31 63
IV.CORL.HHZ. 2019-05-03T19:21:30.47 0.6 undecidable manual P 268 70.0743 50 -0.32 42
IV.CAGR.HHZ. 2019-05-03T19:21:30.60 3.0 undecidable manual P 0
IV.RESU.HHZ. 2019-05-03T19:21:29.94 0.6 undecidable manual S 188 30.3474 104 0.93 36
IV.SOLUN.HHZ. 2019-05-03T19:21:27.83 3.0 positive manual P -0.62 0
IV.GALF.HHZ. 2019-05-03T19:21:27.47 0.3 undecidable manual P 119 46.62 50 0.3 66
IV.MSFR.HHZ. 2019-05-03T19:21:26.16 0.6 undecidable manual P 73 44.5221 50 -0.7 39
IV.ALJA.HHZ. 2019-05-03T19:21:24.78 0.3 undecidable manual P 239 35.9418 102 -0.72 59
IV.RESU.HHZ. 2019-05-03T19:21:23.87 0.3 undecidable manual P 188 30.3474 104 -0.55 64
IV.GIB.HHZ. 2019-05-03T19:21:23.14 0.3 undecidable manual S 320 10.4784 126 0.47 68
IV.PLLN.EHZ. 2019-05-03T19:21:22.61 0.3 undecidable manual S 22 8.9799 131 0.36 70
IV.CSLB.HHZ. 2019-05-03T19:21:21.10 0.1 undecidable manual S 298 4.5954 149 -0.15 98
IV.GIB.HHZ. 2019-05-03T19:21:20.64 0.1 negative manual P 320 10.4784 126 -0.11 98
IV.PLLN.EHZ. 2019-05-03T19:21:20.53 0.1 negative manual P 22 8.9799 131 0.02 100
IV.CSLB.HHZ. 2019-05-03T19:21:19.56 0.1 negative manual P 298 4.5954 149 -0.37 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSLB.HHN. ML:0.0 0.002675014 0.2048 AML other m 2019-05-03T19:21:21.34
IV.CSLB.HHE. ML:0.0 0.004024274 0.2944 AML other m 2019-05-03T19:21:21.36
IV.RESU.HHN. ML:2.1 0.0006131837499999999 0.4096 AML other m 2019-05-03T19:21:33.97
IV.RESU.HHE. ML:1.9 0.00042381579999999997 0.4352 AML other m 2019-05-03T19:21:36.74
IV.ALJA.HHE. ML:2.0 0.00044271565 0.4224 AML other m 2019-05-03T19:21:34.60
IV.ALJA.HHN. ML:2.0 0.00043696319999999997 0.5632 AML other m 2019-05-03T19:21:32.72
IV.GALF.HNN. ML:1.7 0.0001540535 0.832 AML other m 2019-05-03T19:21:27.21
IV.GALF.HHE. ML:2.2 0.0004157047 0.4608 AML other m 2019-05-03T19:21:45.26
IV.GALF.HHN. ML:2.1 0.00033058635 0.4608 AML other m 2019-05-03T19:21:48.28
IV.GALF.HNE. ML:1.6 0.00011784165 0.6016 AML other m 2019-05-03T19:21:27.44
IV.SOLUN.HHE. ML:2.1 0.00032974615 1.2288 AML other m 2019-05-03T19:21:42.92
IV.SOLUN.HHN. ML:2.2 0.00036446335 1.2672 AML other m 2019-05-03T19:21:45.92
IV.MUCR.HHE. ML:1.9 0.0001334264 0.3712 AML other m 2019-05-03T19:21:43.40
IV.MUCR.HHN. ML:2.0 0.0001530616 0.3328 AML other m 2019-05-03T19:21:43.87
IV.MPG.SHE. ML:0.0 0.000057923625 1.5104 AML other m 2019-05-03T19:21:41.55
IV.MPG.SHN. ML:0.0 0.00004786075 0.96 AML other m 2019-05-03T19:22:00.03
IV.IACL.HHE. ML:2.1 0.0001929239 0.3712 AML other m 2019-05-03T19:21:47.40
IV.IACL.HHN. ML:2.1 0.00020865465 0.2304 AML other m 2019-05-03T19:21:46.10
IV.AIO.HHE. ML:1.8 0.00007024474499999999 0.3456 AML other m 2019-05-03T19:21:56.79
IV.AIO.HHN. ML:1.8 0.000066217225 0.448 AML other m 2019-05-03T19:21:59.21
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
Waveforms Seismic signals in miniseed + resp format Download