Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 01-05-2019 and time 07:05:24 (Italy) in region Costa Catanese (Catania)

A magnitude ML 1.5 earthquake occured in region: Costa Catanese (Catania), on

  • 01-05-2019 05:05:24 (UTC)
  • 01-05-2019 07:05:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6580, 15.3360 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
Riposto CT 14 14838 14838
Giarre CT 16 27659 42497
Acireale CT 16 52622 95119
Mascali CT 17 14282 109401
Santa Venerina CT 18 8592 117993
Aci Catena CT 18 29851 147844
Fiumefreddo di Sicilia CT 19 9623 157467
Aci Sant'Antonio CT 19 17984 175451
Sant'Alfio CT 19 1582 177033

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km E of Acireale (52622 inhabitants)
28 Km NE of Catania (314555 inhabitants)
57 Km SW of Reggio di Calabria (183035 inhabitants)
63 Km S of Messina (238439 inhabitants)
66 Km N of Siracusa (122291 inhabitants)
97 Km NE of Ragusa (73313 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 2019-05-01
05:05:24		 37.6577 15.336 9 2019-11-13
14:30:49		 Bollettino Sismico Italiano INGV 68351641
Reviewed
Rev100 		ML 1.5 2019-05-01
05:05:23		 37.6688 15.2827 33 2019-05-01
05:21:09		 Sala Sismica INGV-Roma 68142281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-05-01 05:05:24 ± 0.3
Latitude 37.6577 ± 0.0054
Longitude 15.3360 ± 0.0250
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 68351641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2198
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 2200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 207
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.54139
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 68142281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-05-01 05:21:09

ML:1.5

Field Value
Value 1.5
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 68351641
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-18 11:38:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BARO.EHZ. 2019-05-01T05:06:50.88 3.0 undecidable manual Pn 2.02 0
IV.SSY.HNZ. 2019-05-01T05:05:43.57 0.3 undecidable manual S 203 60.0954 50 0.34 65
IV.HLNI.HHZ. 2019-05-01T05:05:41.03 0.3 undecidable manual S 230 53.3022 50 -0.4 66
IV.AGST.EHZ. 2019-05-01T05:05:39.70 0.3 undecidable manual S 192 45.5211 50 0.36 67
IV.HAGA.HHZ. 2019-05-01T05:05:39.20 0.3 undecidable manual S 201 44.3223 50 0.18 70
IV.NOV.HHE. 2019-05-01T05:05:39.21 0.6 undecidable manual S 337 44.622 50 0.11 47
IV.ECTS.EHZ. 2019-05-01T05:05:36.30 0.6 undecidable manual S 323 31.2465 106 0.84 39
IV.AIO.HHE. 2019-05-01T05:05:36.68 0.6 undecidable manual S 345 35.9418 50 -0.1 49
IV.SSY.HNZ. 2019-05-01T05:05:34.98 0.3 undecidable manual P 203 60.0954 50 -0.21 67
IV.AGST.EHZ. 2019-05-01T05:05:33.16 0.3 undecidable manual P 192 45.5211 50 0.21 70
IV.HLNI.HHZ. 2019-05-01T05:05:33.40 0.3 undecidable manual P 230 53.3022 50 -0.75 58
IV.NOV.HHE. 2019-05-01T05:05:33.04 0.3 undecidable manual P 337 44.622 50 0.23 69
IV.HAGA.HHZ. 2019-05-01T05:05:32.50 0.3 undecidable manual P 201 44.3223 50 -0.26 69
IV.AIO.HHE. 2019-05-01T05:05:31.19 0.3 undecidable manual P 345 35.9418 50 -0.28 70
IV.ECTS.EHZ. 2019-05-01T05:05:30.44 0.3 undecidable manual P 323 31.2465 106 -0.27 70
IV.EPOZ.HHZ. 2019-05-01T05:05:27.60 0.1 undecidable manual P 277 13.0758 124 0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HLNI.HHN. ML:1.5 0.00007215 0.42 AML other m 2019-05-01T05:05:41.59
IV.HLNI.HHE. ML:1.4 0.0000659 0.68 AML other m 2019-05-01T05:05:42.35
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