Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 19-05-2019 and time 15:18:30 (Italy) in region 4 km SE Castelbuono (PA)

A magnitude ML 2.1 earthquake occured in region: 4 km SE Castelbuono (PA), on

  • 19-05-2019 13:18:30 (UTC)
  • 19-05-2019 15:18:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.9060, 14.1060 at 9 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 4 8943 8943
Geraci Siculo PA 7 1945 10888
San Mauro Castelverde PA 8 1701 12589
Isnello PA 10 1589 14178
Pollina PA 11 2974 17152
Petralia Sottana PA 11 2821 19973
Petralia Soprana PA 12 3360 23333
Gratteri PA 14 963 24296
Polizzi Generosa PA 14 3407 27703
Tusa ME 15 2925 30628
Castellana Sicula PA 15 3411 34039
Gangi PA 15 6811 40850
Collesano PA 15 4054 44904
Cefalù PA 17 14393 59297
Blufi PA 17 1029 60326
Bompietro PA 18 1401 61727
Pettineo ME 18 1350 63077
Lascari PA 18 3588 66665
Castel di Lucio ME 18 1294 67959
Scillato PA 18 613 68572
Motta d'Affermo ME 19 739 69311

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km N of Caltanissetta (63360 inhabitants)
56 Km E of Bagheria (55387 inhabitants)
69 Km E of Palermo (674435 inhabitants)
81 Km NE of Agrigento (59770 inhabitants)
94 Km N of Gela (75827 inhabitants)
97 Km W 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 2.1 2019-05-19
13:18:30		 37.9057 14.1057 9 2019-11-13
14:30:55		 Bollettino Sismico Italiano INGV 70656801
Reviewed
Rev100 		ML 2.1 2019-05-19
13:18:30		 37.9032 14.1057 8 2019-05-19
13:31:02		 Sala Sismica INGV-Roma 68694381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-05-19 13:18:30 ± 0.06
Latitude 37.9057 ± 0.0036
Longitude 14.1057 ± 0.0046
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70656801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 473
Semi-minor axis of confidence ellipse (meter) 373
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 324
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 112
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.83277
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 70656801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-17 15:21:22

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 68694381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-05-19 13:31:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IVPL.HNE. 2019-05-19T13:18:46.70 0.1 undecidable manual P 55 92.4408 50 0.03 87
IV.IVGP.HHN. 2019-05-19T13:18:46.80 0.6 undecidable manual P 54 92.3409 50 0.14 43
IV.IFIL.HHN. 2019-05-19T13:18:45.68 0.6 undecidable manual P 29 83.7495 50 0.35 41
IV.MUCR.HHZ. 2019-05-19T13:18:43.08 0.1 undecidable manual P 77 68.8755 50 0.04 91
IV.ALJA.HHZ. 2019-05-19T13:18:43.38 0.3 undecidable manual S 241 35.4423 50 0.28 69
IV.MPG.SHZ. 2019-05-19T13:18:43.25 0.6 undecidable manual P 294 71.0733 50 -0.13 45
IV.IACL.HHZ. 2019-05-19T13:18:43.54 0.6 undecidable manual P 17 72.8715 50 -0.12 44
IV.SCIAR.HHZ. 2019-05-19T13:18:42.35 0.3 undecidable manual S 277 31.4463 50 0.31 69
IV.RESU.HHZ. 2019-05-19T13:18:41.59 0.6 undecidable manual S 189 29.0487 107 0.3 46
IV.CMDO.HHZ. 2019-05-19T13:18:40.42 0.6 undecidable manual P 207 54.9006 50 -0.47 43
IV.SOLUN.HHZ. 2019-05-19T13:18:40.56 0.6 undecidable manual P 293 54.2013 50 -0.22 45
IV.MSFR.HHZ. 2019-05-19T13:18:39.25 0.1 undecidable manual P 71 44.8218 50 -0.08 94
IV.ALJA.HHZ. 2019-05-19T13:18:37.82 0.3 undecidable manual P 241 35.4423 50 -0.06 72
IV.SCIAR.HHZ. 2019-05-19T13:18:36.70 0.3 undecidable manual P 277 31.4463 50 -0.57 65
IV.RESU.HHZ. 2019-05-19T13:18:36.84 0.1 undecidable manual P 189 29.0487 107 0.01 98
IV.GIB.HHZ. 2019-05-19T13:18:36.11 0.3 undecidable manual S 323 11.6772 128 0.25 73
IV.PLLN.EHZ. 2019-05-19T13:18:35.40 0.3 undecidable manual S 19 10.1787 131 -0.07 75
IV.CSLB.HHZ. 2019-05-19T13:18:34.27 0.1 undecidable manual S 310 5.4945 149 -0.14 100
IV.GIB.HHZ. 2019-05-19T13:18:33.78 0.1 negative manual P 323 11.6772 128 0.08 100
IV.PLLN.EHZ. 2019-05-19T13:18:33.64 0.1 positive manual P 19 10.1787 131 0.17 98
IV.CSLB.HHZ. 2019-05-19T13:18:32.71 0.1 negative manual P 310 5.4945 149 -0.15 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSLB.HHE. ML:2.2 0.002945 0.32 AML other m 2019-05-19T13:18:34.55
IV.CSLB.HHN. ML:2.3 0.003979999999999999 0.12 AML other m 2019-05-19T13:18:34.51
IV.GIB.HHN. ML:2.5 0.004195 0.36 AML other m 2019-05-19T13:18:36.72
IV.PLLN.EHN. ML:2.4 0.0036049999999999997 1.64 AML other m 2019-05-19T13:18:37.96
IV.PLLN.EHE. ML:2.3 0.002835 1.6 AML other m 2019-05-19T13:18:37.96
IV.GIB.HHE. ML:2.3 0.00248 0.5 AML other m 2019-05-19T13:18:38.05
IV.RESU.HHE. ML:1.9 0.000426 1.52 AML other m 2019-05-19T13:18:44.09
IV.RESU.HHN. ML:2.2 0.000789 0.76 AML other m 2019-05-19T13:18:44.57
IV.ALJA.HHN. ML:2.1 0.0005110000000000001 1.6 AML other m 2019-05-19T13:18:44.19
IV.SCIAR.HHN. ML:1.9 0.000373 0.48 AML other m 2019-05-19T13:18:45.25
IV.SCIAR.HHE. ML:2.1 0.0005745 0.38 AML other m 2019-05-19T13:18:45.25
IV.ALJA.HHE. ML:2.0 0.000433 0.86 AML other m 2019-05-19T13:18:47.41
IV.MSFR.HHE. ML:1.6 0.00012429999999999999 0.66 AML other m 2019-05-19T13:18:48.41
IV.MSFR.HHN. ML:1.6 0.0001146 0.52 AML other m 2019-05-19T13:18:50.24
IV.SOLUN.HHN. ML:2.0 0.000215 0.74 AML other m 2019-05-19T13:18:52.87
IV.SOLUN.HHE. ML:2.0 0.000231 1.36 AML other m 2019-05-19T13:18:53.82
IV.MUCR.HHE. ML:1.9 0.000135 1.52 AML other m 2019-05-19T13:18:55.15
IV.MUCR.HHN. ML:2.0 0.0001645 0.72 AML other m 2019-05-19T13:18:56.85
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