Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 19-09-2019 and time 03:07:31 (UTC) in region 9 km W Milo (CT)

A magnitude ML 1.5 earthquake occured in region: 9 km W Milo (CT), on

  • 19-09-2019 03:07:31 (UTC)
  • 19-09-2019 05:07:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7500, 15.0250 at 2 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
Milo CT 9 1087 1087
Zafferana Etnea CT 9 9517 10604
Sant'Alfio CT 11 1582 12186
Santa Venerina CT 12 8592 20778
Giarre CT 14 27659 48437
Linguaglossa CT 15 5403 53840
Pedara CT 15 14102 67942
Nicolosi CT 15 7463 75405
Piedimonte Etneo CT 15 3963 79368
Ragalna CT 15 3924 83292
Mascali CT 15 14282 97574
Trecastagni CT 15 10910 108484
Randazzo CT 16 10900 119384
Riposto CT 16 14838 134222
Maletto CT 17 3920 138142
Viagrande CT 17 8563 146705
Fiumefreddo di Sicilia CT 17 9623 156328
Moio Alcantara ME 17 717 157045
Castiglione di Sicilia CT 17 3215 160260
Bronte CT 17 19172 179432
Belpasso CT 18 28108 207540
Biancavilla CT 18 24007 231547
Aci Sant'Antonio CT 18 17984 249531
Aci Bonaccorsi CT 18 3524 253055
Santa Maria di Licodia CT 19 7641 260696
Malvagna ME 19 733 261429
Aci Catena CT 19 29851 291280
Adrano CT 19 36122 327402
Santa Domenica Vittoria ME 19 980 328382
San Pietro Clarenza CT 20 7743 336125
Francavilla di Sicilia ME 20 3945 340070
Tremestieri Etneo CT 20 20589 360659
Mascalucia CT 20 31958 392617
Acireale CT 20 52622 445239
Calatabiano CT 20 5308 450547
San Giovanni la Punta CT 20 23060 473607

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Acireale (52622 inhabitants)
28 Km N of Catania (314555 inhabitants)
68 Km SW of Reggio di Calabria (183035 inhabitants)
68 Km SW of Messina (238439 inhabitants)
80 Km N of Siracusa (122291 inhabitants)
89 Km E of Caltanissetta (63360 inhabitants)
95 Km N of Ragusa (73313 inhabitants)
99 Km NE of Vittoria (63339 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 1.5 2019-09-19
03:07:31		 37.7497 15.0247 2 2020-02-28
16:42:23		 Bollettino Sismico Italiano INGV 76316311
Reviewed
Rev200 		ML 1.5 2019-09-19
03:07:29		 37.755 15.007 1 2020-02-07
11:23:20		 Sala Operativa INGV-OE (Catania) 72542061
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-19 03:07:31 ± 0.19
Latitude 37.7497 ± 0.0063
Longitude 15.0247 ± 0.0114
Depth (km) 2 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76316311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1099
Semi-minor axis of confidence ellipse (meter) 160
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.41
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.36423
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 76316311
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-07 11:22:53

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 72542061
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2019-09-19 03:18:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GALF.HHZ. 2019-09-19T03:07:39.54 0.3 undecidable manual P 264 40.4262 93 0.33 67
IV.MUCR.HHE. 2019-09-19T03:07:38.09 0.3 undecidable manual P 338 35.1426 94 -0.05 72
IV.ECTS.EHZ. 2019-09-19T03:07:37.77 0.6 undecidable manual S 30 16.9719 98 0.74 41
IV.NOV.HHZ. 2019-09-19T03:07:37.67 0.3 undecidable manual P 18 32.3454 94 0.08 72
IV.AIO.HHZ. 2019-09-19T03:07:37.39 0.3 undecidable manual P 37 30.6471 95 0.15 71
IV.ECHR.HHE. 2019-09-19T03:07:36.46 0.6 undecidable manual S 234 12.0768 101 1.1 35
IV.EMSG.HHZ. 2019-09-19T03:07:36.24 0.6 undecidable manual S 320 10.2786 103 1.49 28
IV.ESML.HHZ. 2019-09-19T03:07:35.15 0.3 undecidable manual P 221 19.3695 97 0.15 72
IV.EPIT.HHN. 2019-09-19T03:07:34.70 0.6 undecidable manual S 22 7.3815 108 0.91 39
IV.ECTS.EHZ. 2019-09-19T03:07:34.32 0.1 undecidable manual P 30 16.9719 98 -0.2 96
IV.EPZF.HHZ. 2019-09-19T03:07:34.08 0.3 undecidable manual P 299 16.872 98 -0.42 68
IV.EVRN.HNN. 2019-09-19T03:07:33.86 0.3 undecidable manual P 125 11.7771 102 0.35 70
IV.ENIC.HHZ. 2019-09-19T03:07:33.76 0.3 undecidable manual P 181 13.0758 100 0 75
IV.ESLN.HHZ. 2019-09-19T03:07:33.92 0.6 undecidable manual S 215 7.6812 108 0.05 50
IV.ECHR.HHE. 2019-09-19T03:07:33.53 0.1 undecidable manual P 234 12.0768 101 -0.03 100
IV.EMSG.HHZ. 2019-09-19T03:07:32.72 0.1 negative manual P 320 10.2786 103 -0.48 91
IV.EMCN.HNZ. 2019-09-19T03:07:32.81 0.3 undecidable manual S 10 4.6953 117 -0.11 75
IV.ESLN.HHZ. 2019-09-19T03:07:32.19 0.1 positive manual P 215 7.6812 108 -0.51 91
IV.EPIT.HHN. 2019-09-19T03:07:32.40 0.1 undecidable manual P 22 7.3815 108 -0.25 96
IV.EMCN.HNZ. 2019-09-19T03:07:31.65 0.1 positive manual P 10 4.6953 117 -0.49 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.EHN. ML:1.4 0.000236 1.24 AML other m 2019-09-19T03:07:37.83
IV.EPZF.HHE. ML:1.8 0.000708 1.64 AML other m 2019-09-19T03:07:41.95
IV.EPZF.HHN. ML:2.0 0.0009845000000000001 0.6 AML other m 2019-09-19T03:07:42.11
IV.ECTS.EHE. ML:1.5 0.000297 1.66 AML other m 2019-09-19T03:07:42.08
IV.AIO.HHE. ML:1.2 0.00007694999999999999 0.86 AML other m 2019-09-19T03:07:44.34
IV.AIO.HHN. ML:1.3 0.0000974 0.52 AML other m 2019-09-19T03:07:44.41
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