Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 19-04-2019 and time 22:46:33 (Italy) in region 2 km SE Ragalna (CT)

A magnitude ML 2.4 earthquake occured in region: 2 km SE Ragalna (CT), on

  • 19-04-2019 20:46:33 (UTC)
  • 19-04-2019 22:46:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6140, 14.9480 at 6 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
Ragalna CT 2 3924 3924
Belpasso CT 4 28108 32032
Santa Maria di Licodia CT 5 7641 39673
Paternò CT 6 48228 87901
Nicolosi CT 7 7463 95364
Camporotondo Etneo CT 7 5023 100387
Biancavilla CT 8 24007 124394
San Pietro Clarenza CT 8 7743 132137
Pedara CT 10 14102 146239
Mascalucia CT 10 31958 178197
Motta Sant'Anastasia CT 11 12116 190313
Misterbianco CT 12 49410 239723
Adrano CT 12 36122 275845
Trecastagni CT 12 10910 286755
Gravina di Catania CT 12 25838 312593
Tremestieri Etneo CT 12 20589 333182
Viagrande CT 13 8563 341745
Sant'Agata li Battiati CT 13 9479 351224
San Giovanni la Punta CT 14 23060 374284
Aci Bonaccorsi CT 14 3524 377808
San Gregorio di Catania CT 15 11966 389774
Aci Sant'Antonio CT 16 17984 407758
Valverde CT 16 7840 415598
Zafferana Etnea CT 16 9517 425115
Aci Catena CT 17 29851 454966
Catania CT 17 314555 769521
Centuripe EN 18 5470 774991
Aci Castello CT 19 18723 793714
Santa Venerina CT 19 8592 802306
Milo CT 19 1087 803393
Acireale CT 19 52622 856015

Municipalities with at least 50000 inhabitants

An earthquake occurred to
17 Km NW of Catania (314555 inhabitants)
19 Km W of Acireale (52622 inhabitants)
69 Km NW of Siracusa (122291 inhabitants)
79 Km N of Ragusa (73313 inhabitants)
79 Km E of Caltanissetta (63360 inhabitants)
82 Km NE of Vittoria (63339 inhabitants)
82 Km SW of Reggio di Calabria (183035 inhabitants)
84 Km SW of Messina (238439 inhabitants)
86 Km N of Modica (54633 inhabitants)
87 Km NE 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 2.4 2019-04-19
20:46:33		 37.6143 14.9482 7 2019-08-22
08:25:15		 Bollettino Sismico Italiano INGV 71278781
Reviewed
Rev100 		ML 2.4 2019-04-19
20:46:33		 37.5965 14.9473 6 2019-04-19
20:57:38		 Sala Sismica INGV-Roma 67755201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-19 20:46:33 ± 0.14
Latitude 37.6143 ± 0.0090
Longitude 14.9482 ± 0.0125
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 71278781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 974
Semi-minor axis of confidence ellipse (meter) 967
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 970.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.52
Epicentral distance of station closest to the epicenter (degree) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 1.43981
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 67755201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-19 20:57:38

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 71278781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-08-08 16:25:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2019-04-19T20:47:00.39 0.6 undecidable manual P 54 159.8178 50 0.3 36
IV.SSY.HHZ. 2019-04-19T20:46:51.74 0.3 undecidable manual S 168 51.8037 50 0.97 54
IV.HPAC.HHZ. 2019-04-19T20:46:51.57 0.3 undecidable manual P 175 100.8213 50 0.58 58
IV.AGST.EHZ. 2019-04-19T20:46:49.65 0.6 undecidable manual S 148 46.7199 50 0.26 46
IV.HAGA.HHZ. 2019-04-19T20:46:47.87 0.6 undecidable manual S 153 40.8258 99 0.07 48
IV.RAFF.HHZ. 2019-04-19T20:46:45.51 0.3 undecidable manual P 230 67.4769 50 -0.35 65
IV.GALF.HHZ. 2019-04-19T20:46:45.13 0.6 undecidable manual S 288 35.1426 100 -0.73 41
MN.VAE.HHZ. 2019-04-19T20:46:45.37 0.3 undecidable manual P 253 54.7008 50 1.47 41
IV.AGST.EHZ. 2019-04-19T20:46:42.00 0.3 undecidable manual P 148 46.7199 50 -0.65 61
IV.HVZN.HNZ. 2019-04-19T20:46:42.69 0.1 undecidable manual P 203 52.503 50 -0.87 74
IV.MUCR.HHZ. 2019-04-19T20:46:42.98 0.3 undecidable manual P 352 48.0186 50 0.12 71
IV.SSY.HHZ. 2019-04-19T20:46:42.96 0.3 undecidable manual P 168 51.8037 50 -0.49 64
IV.NOV.HHZ. 2019-04-19T20:46:42.60 0.1 undecidable manual P 20 48.7179 50 -0.37 88
IV.CAGR.HHE. 2019-04-19T20:46:42.66 0.3 undecidable manual P 271 39.4272 99 1.2 48
IV.MNO.SHZ. 2019-04-19T20:46:42.64 0.3 undecidable manual P 328 41.5251 50 0.78 59
IV.EMSG.HHZ. 2019-04-19T20:46:42.43 0.6 undecidable manual S 0 22.8549 106 0.72 42
IV.HAGA.HHZ. 2019-04-19T20:46:41.15 0.3 undecidable manual P 153 40.8258 99 -0.59 65
IV.GALF.HHZ. 2019-04-19T20:46:40.67 0.3 undecidable manual P 288 35.1426 100 0.05 73
IV.EPZF.HHZ. 2019-04-19T20:46:38.80 0.3 undecidable manual P 341 24.5532 105 0.25 72
IV.EMSG.HHZ. 2019-04-19T20:46:38.42 0.3 undecidable manual P 0 22.8549 106 0.2 73
IV.EPOZ.HHZ. 2019-04-19T20:46:38.61 0.3 undecidable manual P 73 22.0668 106 0.55 67
IV.EMCN.HNE. 2019-04-19T20:46:37.51 0.1 undecidable manual P 21 20.9679 107 -0.35 94
IV.EPIT.HHN. 2019-04-19T20:46:37.56 0.1 undecidable manual P 24 23.8539 105 -0.84 79
IV.ECHR.HHE. 2019-04-19T20:46:37.28 0.6 undecidable manual S 339 8.5803 127 0.1 50
IV.ENIC.HHZ. 2019-04-19T20:46:37.63 0.3 undecidable manual S 74 6.6933 134 0.94 57
IV.ENIC.HHZ. 2019-04-19T20:46:35.11 0.1 undecidable manual P 74 6.6933 134 -0.22 100
IV.ECHR.HHE. 2019-04-19T20:46:34.80 0.1 undecidable manual P 339 8.5803 127 -0.81 83
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPOZ.HHN. ML:2.8 0.004425000000000001 0.76 AML other m 2019-04-19T20:46:45.68
IV.EPOZ.HHE. ML:2.8 0.0052450000000000005 1.32 AML other m 2019-04-19T20:46:45.80
IV.HAGA.HHE. ML:2.0 0.0003345 0.86 AML other m 2019-04-19T20:46:48.12
IV.EPZF.HHE. ML:2.4 0.0017200000000000002 0.48 AML other m 2019-04-19T20:46:48.59
IV.EMSG.HHN. ML:2.8 0.0039700000000000004 0.8 AML other m 2019-04-19T20:46:49.90
IV.EMSG.HHE. ML:2.8 0.00382 1.18 AML other m 2019-04-19T20:46:49.79
IV.AGST.EHE. ML:2.4 0.0006559999999999999 1.68 AML other m 2019-04-19T20:46:50.94
IV.AGST.EHN. ML:2.4 0.0007465 1.12 AML other m 2019-04-19T20:46:50.86
IV.HAGA.HHN. ML:1.9 0.0002985 0.4 AML other m 2019-04-19T20:46:50.46
IV.SSY.HHE. ML:2.6 0.000915 0.36 AML other m 2019-04-19T20:46:51.52
IV.GALF.HNN. ML:1.9 0.00030900000000000003 0.6 AML other m 2019-04-19T20:46:52.80
IV.GALF.HHN. ML:2.6 0.001795 0.6 AML other m 2019-04-19T20:46:52.54
IV.MUCR.HHE. ML:2.3 0.000608 0.76 AML other m 2019-04-19T20:46:53.78
IV.EPZF.HHN. ML:2.5 0.0020549999999999995 0.62 AML other m 2019-04-19T20:46:53.84
IV.MNO.SHE. ML:0.0 0.0008215 0.64 AML other m 2019-04-19T20:46:54.40
IV.MUCR.HHN. ML:2.2 0.000499 0.96 AML other m 2019-04-19T20:46:56.80
IV.GALF.HHE. ML:2.7 0.00213 0.5 AML other m 2019-04-19T20:46:56.87
IV.GALF.HNE. ML:1.9 0.0003155 0.54 AML other m 2019-04-19T20:46:56.89
IV.SSY.HHN. ML:2.7 0.00133 1.66 AML other m 2019-04-19T20:46:57.97
IV.RAFF.HHN. ML:1.9 0.000128 0.36 AML other m 2019-04-19T20:46:58.20
IV.MNO.SHN. ML:0.0 0.000857 0.72 AML other m 2019-04-19T20:47:02.44
IV.RAFF.HHE. ML:1.9 0.000132 1.22 AML other m 2019-04-19T20:47:07.11
IV.HPAC.HHE. ML:2.2 0.000176 0.42 AML other m 2019-04-19T20:47:10.55
IV.HPAC.HHN. ML:2.4 0.0002595 0.42 AML other m 2019-04-19T20:47:26.25
IV.PLAC.HHE. ML:1.9 0.0000382 0.48 AML other m 2019-04-19T20:47:26.33
IV.PLAC.HHN. ML:2.0 0.000046899999999999995 0.64 AML other m 2019-04-19T20:47:33.49
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