Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 22-07-2019 and time 14:21:34 (Italy) in region Costa Catanese (Catania)

A magnitude ML 1.7 earthquake occured in region: Costa Catanese (Catania), on

  • 22-07-2019 12:21:34 (UTC)
  • 22-07-2019 14:21:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.6220, 15.2570 at 7 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Acireale CT 8 52622 52622
Aci Catena CT 10 29851 82473
Aci Sant'Antonio CT 12 17984 100457
Aci Castello CT 12 18723 119180
Valverde CT 13 7840 127020
Santa Venerina CT 13 8592 135612
Riposto CT 13 14838 150450
Aci Bonaccorsi CT 13 3524 153974
Giarre CT 14 27659 181633
Viagrande CT 14 8563 190196
San Gregorio di Catania CT 14 11966 202162
San Giovanni la Punta CT 15 23060 225222
Trecastagni CT 16 10910 236132
Zafferana Etnea CT 16 9517 245649
Mascali CT 16 14282 259931
Milo CT 17 1087 261018
Sant'Alfio CT 17 1582 262600
Tremestieri Etneo CT 17 20589 283189
Sant'Agata li Battiati CT 17 9479 292668
Pedara CT 17 14102 306770
Gravina di Catania CT 18 25838 332608
Mascalucia CT 19 31958 364566
Fiumefreddo di Sicilia CT 20 9623 374189
Catania CT 20 314555 688744

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km E of Acireale (52622 inhabitants)
20 Km NE of Catania (314555 inhabitants)
62 Km N of Siracusa (122291 inhabitants)
64 Km SW of Reggio di Calabria (183035 inhabitants)
69 Km SW of Messina (238439 inhabitants)
90 Km NE of Ragusa (73313 inhabitants)
95 Km NE of Modica (54633 inhabitants)
98 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 1.7 2019-07-22
12:21:34		 37.6218 15.257 7 2019-11-13
14:31:00		 Bollettino Sismico Italiano INGV 71999151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-07-22 12:21:34 ± 0.17
Latitude 37.6218 ± 0.0054
Longitude 15.2570 ± 0.0114
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 71999151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 950
Semi-minor axis of confidence ellipse (meter) 506
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 950.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 177
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.11691
Epicentral distance of station farthest from the epicenter (degree) 0.67179
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 15
Type of magnitude ML
Reference to an origin 71999151
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-09-16 10:39:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHN. 2019-07-22T12:21:53.50 1.0 undecidable manual S 8 58.7967 50 -0.18 24
IV.MUCR.HHZ. 2019-07-22T12:21:53.70 0.6 undecidable manual S 324 57.498 50 0.36 46
IV.HLNI.HHE. 2019-07-22T12:21:49.70 0.1 undecidable manual S 228 45.4212 50 -0.42 92
IV.HAGA.HHZ. 2019-07-22T12:21:48.50 0.6 undecidable manual S 194 38.4282 50 0.26 48
IV.MSRU.HHE. 2019-07-22T12:21:48.77 0.6 undecidable manual P 17 74.5698 50 0.69 40
IV.GALF.HHZ. 2019-07-22T12:21:46.39 0.6 undecidable manual P 279 61.3941 50 0.33 46
IV.ECTS.EHZ. 2019-07-22T12:21:46.00 1.0 undecidable manual S 338 31.2465 103 0.18 25
IV.SSY.HHZ. 2019-07-22T12:21:45.32 0.6 undecidable manual P 197 54.0015 50 0.41 46
IV.MPNC.HHN. 2019-07-22T12:21:45.55 0.6 undecidable manual P 8 58.7967 50 -0.1 48
IV.MUCR.HHZ. 2019-07-22T12:21:45.44 0.3 undecidable manual P 324 57.498 50 -0.01 74
IV.ESLN.HHZ. 2019-07-22T12:21:44.40 0.6 undecidable manual S 288 26.0517 106 0.32 49
IV.HLNI.HHE. 2019-07-22T12:21:43.52 0.6 undecidable manual P 228 45.4212 50 -0.08 50
IV.EPZF.HHZ. 2019-07-22T12:21:42.91 0.3 undecidable manual P 303 41.625 50 -0.1 75
IV.HAGA.HHZ. 2019-07-22T12:21:42.56 0.3 undecidable manual P 194 38.4282 50 0.05 76
IV.AIO.HHE. 2019-07-22T12:21:42.27 0.3 undecidable manual P 357 38.8278 50 -0.3 72
IV.EPIT.HHN. 2019-07-22T12:21:40.24 0.3 undecidable manual P 320 27.3504 105 -0.13 76
IV.EVRN.HNN. 2019-07-22T12:21:40.00 0.3 undecidable manual S 305 12.9759 119 0.13 78
IV.ECTS.EHZ. 2019-07-22T12:21:40.84 0.6 undecidable manual P 338 31.2465 103 -0.27 49
IV.EMCN.HNE. 2019-07-22T12:21:40.32 0.6 undecidable manual P 314 27.1506 105 0 52
IV.ENIC.HHZ. 2019-07-22T12:21:39.59 0.6 undecidable manual P 273 20.6682 109 0.5 47
IV.ESLN.HHZ. 2019-07-22T12:21:39.88 0.6 positive manual P 288 26.0517 106 -0.23 50
IV.EVRN.HNN. 2019-07-22T12:21:37.36 0.1 undecidable manual P 305 12.9759 119 -0.32 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ENIC.HHN. ML:0.0 0.00045286424999999996 0.224 AML other m 2019-07-22T12:21:49.76
IV.MUCR.HHE. ML:0.0 0.00009289184 0.48 AML other m 2019-07-22T12:21:54.94
IV.ENIC.HHE. ML:0.0 0.0004262012 0.1792 AML other m 2019-07-22T12:21:45.63
IV.HAGA.HHN. ML:0.0 0.000108214825 0.1792 AML other m 2019-07-22T12:21:50.10
IV.EPZF.HHE. ML:0.0 0.0002026533 0.6976 AML other m 2019-07-22T12:21:53.69
IV.SSY.HHN. ML:0.0 0.0005066941000000001 0.2752 AML other m 2019-07-22T12:21:55.88
IV.MUCR.HHN. ML:0.0 0.000069055865 0.4224 AML other m 2019-07-22T12:21:54.00
IV.GALF.HHN. ML:0.0 0.00013981895 0.7808 AML other m 2019-07-22T12:21:59.19
IV.ESLN.HHN. ML:0.0 0.0003591862 0.8192 AML other m 2019-07-22T12:21:42.69
IV.ESLN.HHE. ML:0.0 0.00047441500000000006 0.9216 AML other m 2019-07-22T12:21:54.30
IV.HAGA.HHE. ML:0.0 0.00010818384000000001 0.7232 AML other m 2019-07-22T12:21:47.88
IV.GALF.HNE. ML:0.0 0.00010502668500000001 0.8896 AML other m 2019-07-22T12:22:02.74
IV.GALF.HHE. ML:0.0 0.000085883135 0.64 AML other m 2019-07-22T12:22:02.84
IV.EPZF.HHN. ML:1.7 0.0001689753 1.0176 AML other m 2019-07-22T12:22:00.17
IV.GALF.HNN. ML:1.7 0.000100016135 0.672 AML other m 2019-07-22T12:22:09.87
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