Earthquake with magnitude of ML 2.3 on date 19-03-2021 and time 09:18:35 (UTC) in region Costa Catanese (Catania)

A magnitude ML 2.3 earthquake occured in region: Costa Catanese (Catania), on

  • 19-03-2021 09:18:35 (UTC)
  • 19-03-2021 10:18:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6350, 15.2840 at 3 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.

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 11 52622 52622
Aci Catena CT 13 29851 82473
Riposto CT 13 14838 97311
Giarre CT 14 27659 124970
Santa Venerina CT 14 8592 133562
Aci Sant'Antonio CT 14 17984 151546
Aci Castello CT 15 18723 170269
Valverde CT 15 7840 178109
Mascali CT 16 14282 192391
Aci Bonaccorsi CT 16 3524 195915
Viagrande CT 17 8563 204478
San Gregorio di Catania CT 17 11966 216444
Zafferana Etnea CT 17 9517 225961
Sant'Alfio CT 17 1582 227543
Milo CT 18 1087 228630
San Giovanni la Punta CT 18 23060 251690
Trecastagni CT 18 10910 262600
Fiumefreddo di Sicilia CT 19 9623 272223
Tremestieri Etneo CT 20 20589 292812
Sant'Agata li Battiati CT 20 9479 302291
Pedara CT 20 14102 316393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km E of Acireale (52622 inhabitants)
23 Km NE of Catania (314555 inhabitants)
62 Km SW of Reggio di Calabria (183035 inhabitants)
64 Km N of Siracusa (122291 inhabitants)
67 Km SW of Messina (238439 inhabitants)
93 Km NE of Ragusa (73313 inhabitants)
98 Km NE 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 2.3 2021-03-19
09:18:35
37.6352 15.2838 3 2021-07-12
16:55:14
Bollettino Sismico Italiano INGV 90803421
Reviewed
Rev200
ML 2.6 2021-03-19
09:18:35
37.648 15.24 3 2021-06-04
22:41:45
Sala Operativa INGV_OE (Catania) 88275791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-19 09:18:35 ± 0.17
Latitude 37.6352 ± 0.0054
Longitude 15.2838 ± 0.0114
Depth (km) 3 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90803421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 886
Semi-minor axis of confidence ellipse (meter) 599
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 291
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) 137
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.08364
Epicentral distance of station farthest from the epicenter (degree) 0.94699
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:2.6

Field Value
Value 2.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 88275791
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-03-19 09:50:45

ML:2.3

Field Value
Value 2.3
Uncertainty 0.4
Num. used stations 15
Type of magnitude ML
Reference to an origin 90803421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-04 22:41:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RAFF.HHZ. 2021-03-19T09:19:04.99 0.6 undecidable manual S 241 93.24 50 0.38 42
IV.HMDC.HHZ. 2021-03-19T09:19:03.45 0.6 undecidable manual S 211 87.0462 50 0.48 41
IV.HAVL.HHZ. 2021-03-19T09:19:00.84 0.6 undecidable manual S 191 76.2681 50 0.74 38
IV.HVZN.HHZ. 2021-03-19T09:18:59.11 0.6 undecidable manual S 225 71.2731 50 0.36 44
IV.SSY.HHZ. 2021-03-19T09:18:55.10 0.6 undecidable manual S 199 56.0994 50 0.39 45
IV.HPAC.HHZ. 2021-03-19T09:18:53.82 0.3 undecidable manual P 192 105.117 50 -0.28 62
IV.RAFF.HHZ. 2021-03-19T09:18:51.36 0.3 undecidable manual P 241 93.24 50 -0.91 51
IV.IVPL.HHZ. 2021-03-19T09:18:51.45 0.3 undecidable manual P 342 86.4468 50 0.23 65
IV.HLNI.HHZ. 2021-03-19T09:18:51.55 0.3 undecidable manual S 229 48.2184 93 -0.62 63
IV.SOI.EHE. 2021-03-19T09:18:51.18 0.6 undecidable manual P 54 83.1501 50 0.46 42
IV.HAGA.HHZ. 2021-03-19T09:18:50.04 0.3 undecidable manual S 196 40.4262 94 0.55 66
IV.HMDC.HHZ. 2021-03-19T09:18:50.86 0.3 undecidable manual P 211 87.0462 50 -0.47 62
IV.HAVL.HHZ. 2021-03-19T09:18:49.23 0.3 undecidable manual P 191 76.2681 50 -0.43 64
IV.MSRU.HHE. 2021-03-19T09:18:49.38 0.3 undecidable manual P 16 72.4719 50 0.31 66
IV.HVZN.HHZ. 2021-03-19T09:18:48.51 0.3 undecidable manual P 225 71.2731 50 -0.38 65
IV.SSY.HHZ. 2021-03-19T09:18:46.61 0.6 undecidable manual P 199 56.0994 50 0.05 48
IV.MPNC.HHE. 2021-03-19T09:18:46.37 0.3 undecidable manual P 6 56.9985 50 -0.33 68
IV.MTTG.HHE. 2021-03-19T09:18:45.79 0.6 undecidable manual P 42 54.7008 50 -0.55 43
IV.HLNI.HHZ. 2021-03-19T09:18:44.32 0.6 undecidable manual P 229 48.2184 93 -0.77 40
IV.HCRL.HHZ. 2021-03-19T09:18:44.39 0.3 undecidable manual P 210 44.9217 93 -0.03 74
IV.AIO.HHE. 2021-03-19T09:18:43.14 0.3 undecidable manual P 353 37.5291 94 0.19 72
IV.HAGA.HHZ. 2021-03-19T09:18:43.76 0.3 undecidable manual P 196 40.4262 94 0.22 71
IV.ECTS.HHZ. 2021-03-19T09:18:41.40 0.3 undecidable manual P 332 30.8469 95 -0.23 73
IV.ENIC.HHZ. 2021-03-19T09:18:40.51 0.3 undecidable manual P 269 23.0547 97 0.45 70
IV.EVRN.HNZ. 2021-03-19T09:18:40.16 0.3 undecidable manual S 295 14.3745 101 -0.32 73
IV.EPOZ.HHZ. 2021-03-19T09:18:39.59 0.3 undecidable manual S 296 9.2796 106 0.81 63
IV.EFIU.HHE. 2021-03-19T09:18:39.56 0.3 undecidable manual P 339 18.2706 98 0.44 71
IV.ESAL.HHE. 2021-03-19T09:18:38.93 0.3 undecidable manual P 315 18.6702 98 -0.27 73
IV.EVRN.HNZ. 2021-03-19T09:18:37.97 0.1 negative manual P 295 14.3745 101 -0.37 97
IV.EPOZ.HHZ. 2021-03-19T09:18:37.60 0.1 undecidable manual P 296 9.2796 106 0.24 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EVRN.HNN. ML:3.5 0.0362 0.16 AML other m 2021-03-19T09:18:40.31
IV.EVRN.HHN. ML:3.5 0.039850000000000003 0.18 AML other m 2021-03-19T09:18:40.31
IV.EVRN.HHE. ML:3.1 0.016366244999999998 0.5408 AML other m 2021-03-19T09:18:40.49
IV.EVRN.HNE. ML:3.3 0.023850000000000003 1.26 AML other m 2021-03-19T09:18:42.84
IV.HAGA.HHN. ML:1.8 0.000249083 1.4592 AML other m 2021-03-19T09:18:50.81
IV.HLNI.HHN. ML:2.0 0.0002705647 0.1632 AML other m 2021-03-19T09:18:51.10
IV.HAGA.HHE. ML:1.9 0.000255141 0.5056 AML other m 2021-03-19T09:18:51.33
IV.HLNI.HHE. ML:2.0 0.00031368665 0.0992 AML other m 2021-03-19T09:18:52.53
IV.HCRL.HHE. ML:2.1 0.00035150000000000003 1.3 AML other m 2021-03-19T09:18:53.82
IV.HCRL.HHN. ML:2.1 0.000348 0.48 AML other m 2021-03-19T09:18:55.80
IV.SSY.HHE. ML:2.3 0.0004884728500000001 0.16 AML other m 2021-03-19T09:18:58.46
IV.HAVL.HHE. ML:2.3 0.00031899999999999995 0.58 AML other m 2021-03-19T09:19:02.17
IV.HMDC.HHE. ML:2.4 0.00028900000000000003 0.6 AML other m 2021-03-19T09:19:05.90
IV.HAVL.HHN. ML:2.3 0.00032599999999999996 1.26 AML other m 2021-03-19T09:19:08.75
IV.HMDC.HHN. ML:2.3 0.00024349999999999998 0.6 AML other m 2021-03-19T09:19:10.76
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