Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 21-05-2019 and time 13:15:25 (UTC) in region 4 km W Milo (CT)

A magnitude ML 2.0 earthquake occured in region: 4 km W Milo (CT), on

  • 21-05-2019 13:15:25 (UTC)
  • 21-05-2019 15:15:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7280, 15.0660 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
Milo CT 4 1087 1087
Zafferana Etnea CT 5 9517 10604
Sant'Alfio CT 7 1582 12186
Santa Venerina CT 8 8592 20778
Giarre CT 10 27659 48437
Mascali CT 12 14282 62719
Riposto CT 12 14838 77557
Pedara CT 12 14102 91659
Trecastagni CT 12 10910 102569
Nicolosi CT 13 7463 110032
Viagrande CT 13 8563 118595
Piedimonte Etneo CT 13 3963 122558
Aci Sant'Antonio CT 14 17984 140542
Linguaglossa CT 14 5403 145945
Fiumefreddo di Sicilia CT 15 9623 155568
Aci Bonaccorsi CT 15 3524 159092
Aci Catena CT 15 29851 188943
Acireale CT 16 52622 241565
Ragalna CT 16 3924 245489
San Giovanni la Punta CT 17 23060 268549
Tremestieri Etneo CT 17 20589 289138
Belpasso CT 17 28108 317246
Mascalucia CT 17 31958 349204
Valverde CT 17 7840 357044
San Pietro Clarenza CT 18 7743 364787
Calatabiano CT 18 5308 370095
Castiglione di Sicilia CT 18 3215 373310
San Gregorio di Catania CT 18 11966 385276
Gravina di Catania CT 19 25838 411114
Camporotondo Etneo CT 19 5023 416137
Sant'Agata li Battiati CT 19 9479 425616
Moio Alcantara ME 19 717 426333
Biancavilla CT 20 24007 450340
Randazzo CT 20 10900 461240
Santa Maria di Licodia CT 20 7641 468881

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Acireale (52622 inhabitants)
25 Km N of Catania (314555 inhabitants)
66 Km SW of Reggio di Calabria (183035 inhabitants)
67 Km SW of Messina (238439 inhabitants)
77 Km N of Siracusa (122291 inhabitants)
92 Km E of Caltanissetta (63360 inhabitants)
94 Km NE of Ragusa (73313 inhabitants)
98 Km NE of Vittoria (63339 inhabitants)
100 Km N of Modica (54633 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 2019-05-21
13:15:25		 37.728 15.0665 10 2019-11-13
14:30:52		 Bollettino Sismico Italiano INGV 69670081
Reviewed
Rev100 		ML 2.0 2019-05-21
13:15:25		 37.7097 15.0287 11 2019-05-21
13:22:59		 Sala Sismica INGV-Roma 68759141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-05-21 13:15:25 ± 0.18
Latitude 37.7280 ± 0.0081
Longitude 15.0665 ± 0.0114
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 69670081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 825
Semi-minor axis of confidence ellipse (meter) 728
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 230
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
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) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.06745
Epicentral distance of station farthest from the epicenter (degree) 0.34984
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 69670081
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-30 12:16:07

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 68759141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-05-21 13:22:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHE. 2019-05-21T13:15:33.96 0.3 undecidable manual P 334 38.8278 50 0.77 58
IV.NOV.HHZ. 2019-05-21T13:15:32.39 0.6 undecidable manual P 10 33.8439 50 -0.04 48
IV.EPOZ.HHZ. 2019-05-21T13:15:32.75 0.6 undecidable manual S 120 12.3765 129 1.59 27
IV.ECTS.EHZ. 2019-05-21T13:15:32.78 0.6 undecidable manual S 16 17.7711 119 0.07 49
IV.EMSG.HHZ. 2019-05-21T13:15:31.84 0.6 undecidable manual S 315 14.4744 124 0.08 49
IV.AIO.HHZ. 2019-05-21T13:15:31.53 0.3 undecidable manual P 28 30.6471 50 -0.41 67
IV.EPZF.HHZ. 2019-05-21T13:15:30.84 0.3 undecidable manual P 300 21.2676 115 0.49 67
IV.EPIT.HHN. 2019-05-21T13:15:30.93 0.6 undecidable manual S 355 9.2796 137 0.56 45
IV.EVRN.HNN. 2019-05-21T13:15:30.12 0.6 undecidable manual S 125 7.4814 143 0.16 49
IV.EMCN.HNZ. 2019-05-21T13:15:30.23 0.3 undecidable manual S 338 7.5813 143 0.24 73
IV.ESLN.HHZ. 2019-05-21T13:15:29.76 0.6 undecidable manual S 245 8.9799 138 -0.53 45
IV.ECTS.EHZ. 2019-05-21T13:15:29.24 0.1 undecidable manual P 16 17.7711 119 -0.49 90
IV.EMSG.HHZ. 2019-05-21T13:15:29.21 0.1 undecidable manual P 315 14.4744 124 0.03 100
IV.ECHR.HHE. 2019-05-21T13:15:29.50 0.3 undecidable manual P 251 14.2746 125 0.37 70
IV.EPOZ.HHZ. 2019-05-21T13:15:28.87 0.1 undecidable manual P 120 12.3765 129 0.04 100
IV.EPIT.HHN. 2019-05-21T13:15:28.28 0.1 undecidable manual P 355 9.2796 137 -0.1 99
IV.ENIC.HHE. 2019-05-21T13:15:28.98 0.3 undecidable manual P 200 11.3775 131 0.29 71
IV.ESLN.HHZ. 2019-05-21T13:15:27.84 0.1 undecidable manual P 245 8.9799 138 -0.49 91
IV.EMCN.HNZ. 2019-05-21T13:15:27.73 0.1 negative manual P 338 7.5813 143 -0.43 93
IV.EVRN.HNN. 2019-05-21T13:15:27.71 0.1 undecidable manual P 125 7.4814 143 -0.43 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESLN.HHN. ML:1.8 0.0009235 1.66 AML other m 2019-05-21T13:15:29.04
IV.EMCN.HNN. ML:2.1 0.001985 0.74 AML other m 2019-05-21T13:15:30.75
IV.EMCN.HNE. ML:2.3 0.00304 0.74 AML other m 2019-05-21T13:15:30.80
IV.EPOZ.HHN. ML:2.8 0.0076749999999999995 0.36 AML other m 2019-05-21T13:15:33.45
IV.EPOZ.HHE. ML:2.6 0.00492 0.68 AML other m 2019-05-21T13:15:33.56
IV.AIO.HHN. ML:1.4 0.000122 1.08 AML other m 2019-05-21T13:15:38.59
IV.AIO.HHE. ML:1.6 0.00016399999999999997 0.3 AML other m 2019-05-21T13:15:38.50
IV.NOV.HHN. ML:1.9 0.0003305 1.56 AML other m 2019-05-21T13:15:40.82
IV.EPZF.HHE. ML:1.6 0.000265 1.24 AML other m 2019-05-21T13:16:02.64
IV.NOV.HHE. ML:1.8 0.000287 0.58 AML other m 2019-05-21T13:16:06.04
IV.EMSG.HHN. ML:2.0 0.0008985 0.76 AML other m 2019-05-21T13:16:09.71
IV.ESLN.HHE. ML:2.0 0.001375 0.88 AML other m 2019-05-21T13:16:19.51
IV.EMSG.HHE. ML:2.1 0.001315 0.64 AML other m 2019-05-21T13:16:25.36
IV.EPZF.HHN. ML:1.8 0.0004895 0.88 AML other m 2019-05-21T13:16:28.57
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