Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 07-04-2019 and time 11:04:07 (Italy) in region 1 km N Trecastagni (CT)

A magnitude ML 1.9 earthquake occured in region: 1 km N Trecastagni (CT), on

  • 07-04-2019 09:04:07 (UTC)
  • 07-04-2019 11:04:07 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6310, 15.0850 at 10 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
Trecastagni CT 2 10910 10910
Viagrande CT 2 8563 19473
Pedara CT 3 14102 33575
Aci Bonaccorsi CT 4 3524 37099
Aci Sant'Antonio CT 5 17984 55083
Nicolosi CT 5 7463 62546
San Giovanni la Punta CT 6 23060 85606
Aci Catena CT 6 29851 115457
Tremestieri Etneo CT 6 20589 136046
Valverde CT 7 7840 143886
Mascalucia CT 7 31958 175844
Zafferana Etnea CT 7 9517 185361
San Gregorio di Catania CT 8 11966 197327
Acireale CT 8 52622 249949
Sant'Agata li Battiati CT 8 9479 259428
Gravina di Catania CT 8 25838 285266
Santa Venerina CT 8 8592 293858
San Pietro Clarenza CT 8 7743 301601
Aci Castello CT 10 18723 320324
Camporotondo Etneo CT 10 5023 325347
Belpasso CT 10 28108 353455
Milo CT 11 1087 354542
Ragalna CT 13 3924 358466
Sant'Alfio CT 14 1582 360048
Misterbianco CT 14 49410 409458
Catania CT 14 314555 724013
Giarre CT 14 27659 751672
Riposto CT 16 14838 766510
Motta Sant'Anastasia CT 17 12116 778626
Paternò CT 17 48228 826854
Mascali CT 17 14282 841136
Santa Maria di Licodia CT 17 7641 848777
Biancavilla CT 19 24007 872784

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km W of Acireale (52622 inhabitants)
14 Km N of Catania (314555 inhabitants)
66 Km N of Siracusa (122291 inhabitants)
73 Km SW of Reggio di Calabria (183035 inhabitants)
75 Km SW of Messina (238439 inhabitants)
84 Km NE of Ragusa (73313 inhabitants)
90 Km NE of Vittoria (63339 inhabitants)
90 Km NE of Modica (54633 inhabitants)
91 Km E of Caltanissetta (63360 inhabitants)
97 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 1.9 2019-04-07
09:04:07		 37.6307 15.0848 10 2019-08-22
08:25:11		 Bollettino Sismico Italiano INGV 70845651
Reviewed
Rev100 		ML 1.9 2019-04-07
09:04:07		 37.6198 15.1018 10 2019-04-07
09:11:05		 Sala Sismica INGV-Roma 67331771
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-07 09:04:07 ± 0.12
Latitude 37.6307 ± 0.0054
Longitude 15.0848 ± 0.0102
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 70845651

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 887
Semi-minor axis of confidence ellipse (meter) 536
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 890.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
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) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.09173
Epicentral distance of station farthest from the epicenter (degree) 0.92270
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 25
Type of magnitude ML
Reference to an origin 70845651
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-07-24 13:30:15

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 67331771
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-07 09:11:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2019-04-07T09:04:25.13 0.6 undecidable manual S 181 52.503 50 1.02 34
IV.HPAC.HHZ. 2019-04-07T09:04:24.67 0.3 undecidable manual P 182 102.4197 50 -0.04 64
IV.AGST.EHZ. 2019-04-07T09:04:21.98 0.6 undecidable manual S 163 43.3233 50 0.31 45
IV.MSRU.HHZ. 2019-04-07T09:04:21.50 0.1 undecidable manual P 28 79.4649 50 0.33 84
IV.HLNI.HHZ. 2019-04-07T09:04:20.06 0.6 undecidable manual S 211 36.4413 50 0.22 46
IV.HAGA.HHZ. 2019-04-07T09:04:20.86 0.6 undecidable manual S 171 38.8278 50 0.39 45
IV.MPNC.HHZ. 2019-04-07T09:04:18.56 0.3 undecidable manual P 22 61.8936 50 0.1 68
IV.EPZF.HHZ. 2019-04-07T09:04:18.25 0.6 undecidable manual S 317 29.3484 50 0.32 46
IV.GALF.HHZ. 2019-04-07T09:04:17.23 0.3 undecidable manual P 281 46.4202 50 1.16 48
IV.MUCR.HHZ. 2019-04-07T09:04:17.07 0.3 undecidable manual P 338 49.3173 50 0.54 63
IV.MNO.SHZ. 2019-04-07T09:04:16.96 0.6 undecidable manual P 314 47.7189 50 0.68 40
IV.SSY.HHZ. 2019-04-07T09:04:16.82 0.1 negative manual P 181 52.503 50 -0.19 91
IV.AGST.EHZ. 2019-04-07T09:04:15.10 0.1 undecidable manual P 163 43.3233 50 -0.51 86
IV.NOV.HHZ. 2019-04-07T09:04:15.65 0.1 undecidable manual P 6 44.3223 50 -0.1 94
IV.HAGA.HHZ. 2019-04-07T09:04:14.51 0.1 undecidable manual P 171 38.8278 50 -0.4 89
IV.EMCN.HNE. 2019-04-07T09:04:14.00 0.6 undecidable manual S 346 18.3705 118 -0.52 45
IV.ESML.HHZ. 2019-04-07T09:04:14.90 0.6 undecidable manual S 266 18.0708 118 0.46 46
IV.AIO.HHZ. 2019-04-07T09:04:14.93 0.1 positive manual P 19 39.9267 50 -0.16 94
IT.LNT.HGZ. 2019-04-07T09:04:14.48 0.3 undecidable manual P 191 38.628 50 -0.41 67
IV.HLNI.HHZ. 2019-04-07T09:04:14.01 0.1 negative manual P 211 36.4413 50 -0.54 86
IV.EPOZ.HHZ. 2019-04-07T09:04:13.14 0.6 undecidable manual S 63 10.1787 133 0.95 38
IV.EPZF.HHZ. 2019-04-07T09:04:13.20 0.3 undecidable manual P 317 29.3484 50 -0.25 70
IV.EMSG.HHZ. 2019-04-07T09:04:12.29 0.3 undecidable manual P 331 24.1536 112 -0.25 71
IV.ECTS.EHZ. 2019-04-07T09:04:12.88 0.1 undecidable manual P 6 28.0497 50 -0.37 91
IV.ESML.HHZ. 2019-04-07T09:04:11.45 0.1 undecidable manual P 266 18.0708 118 0.02 100
IV.EPOZ.HHZ. 2019-04-07T09:04:10.51 0.1 undecidable manual P 63 10.1787 133 0.38 94
IV.EMCN.HNE. 2019-04-07T09:04:10.97 0.1 undecidable manual P 346 18.3705 118 -0.51 90
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPOZ.HHN. ML:2.8 0.007545 1.06 AML other m 2019-04-07T09:04:15.08
IV.ESML.HHE. ML:2.1 0.00107 0.6 AML other m 2019-04-07T09:04:19.98
IV.EMSG.HHE. ML:1.9 0.000518 0.3 AML other m 2019-04-07T09:04:20.34
IV.EPZF.HHE. ML:1.7 0.000237 0.34 AML other m 2019-04-07T09:04:20.79
IV.HAGA.HHE. ML:1.8 0.000203 0.48 AML other m 2019-04-07T09:04:21.06
IV.HLNI.HHN. ML:1.8 0.00023249999999999999 0.34 AML other m 2019-04-07T09:04:21.40
IV.HAGA.HHN. ML:1.8 0.00022999999999999998 1.86 AML other m 2019-04-07T09:04:22.05
IV.EMSG.HHN. ML:1.9 0.000527 0.2 AML other m 2019-04-07T09:04:22.43
IV.HLNI.HHE. ML:1.8 0.00021299999999999997 1.32 AML other m 2019-04-07T09:04:22.22
IV.ESML.HHN. ML:2.0 0.0008305 0.54 AML other m 2019-04-07T09:04:23.07
IV.AGST.EHN. ML:2.2 0.0004795 0.2 AML other m 2019-04-07T09:04:23.22
IV.AIO.HHE. ML:1.8 0.000219 0.24 AML other m 2019-04-07T09:04:23.28
IV.AGST.EHE. ML:2.2 0.0005175 0.22 AML other m 2019-04-07T09:04:23.44
IV.AIO.HHN. ML:1.7 0.000179 0.36 AML other m 2019-04-07T09:04:23.63
IV.NOV.HHN. ML:2.3 0.0005774999999999999 0.8 AML other m 2019-04-07T09:04:25.86
IV.MPNC.HHN. ML:1.9 0.00014350000000000002 0.22 AML other m 2019-04-07T09:04:29.10
IV.EPZF.HHN. ML:1.7 0.00027449999999999995 0.44 AML other m 2019-04-07T09:04:29.67
IV.NOV.HHE. ML:2.3 0.0006285 0.6 AML other m 2019-04-07T09:04:29.46
IV.MUCR.HHE. ML:1.5 0.0000824 0.9 AML other m 2019-04-07T09:04:30.31
IV.MUCR.HHN. ML:1.6 0.0000961 1.38 AML other m 2019-04-07T09:04:32.72
IV.MPNC.HHE. ML:2.0 0.0002185 0.46 AML other m 2019-04-07T09:04:33.33
IV.GALF.HHN. ML:1.9 0.00022 0.46 AML other m 2019-04-07T09:04:33.16
IV.GALF.HHE. ML:1.9 0.0002295 0.68 AML other m 2019-04-07T09:04:33.59
IV.MSRU.HHE. ML:1.8 0.00008106078999999999 0.256 AML other m 2019-04-07T09:04:37.67
IV.HPAC.HHE. ML:2.1 0.00012871564999999998 0.224 AML other m 2019-04-07T09:04:40.19
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