Earthquake with magnitude of ML 2.0 on date 30-04-2021 and time 02:45:57 (Italy) in region 2 km SW Giarre (CT)

A magnitude ML 2.0 earthquake occured in region: 2 km SW Giarre (CT), on

  • 30-04-2021 00:45:57 (UTC)
  • 30-04-2021 02:45:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.718, 15.171 at 20 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
Giarre CT 2 27659 27659
Riposto CT 3 14838 42497
Sant'Alfio CT 4 1582 44079
Santa Venerina CT 4 8592 52671
Milo CT 5 1087 53758
Mascali CT 5 14282 68040
Zafferana Etnea CT 6 9517 77557
Fiumefreddo di Sicilia CT 9 9623 87180
Piedimonte Etneo CT 10 3963 91143
Acireale CT 12 52622 143765
Aci Sant'Antonio CT 13 17984 161749
Aci Catena CT 13 29851 191600
Calatabiano CT 13 5308 196908
Viagrande CT 14 8563 205471
Trecastagni CT 14 10910 216381
Linguaglossa CT 14 5403 221784
Aci Bonaccorsi CT 14 3524 225308
Pedara CT 15 14102 239410
Valverde CT 16 7840 247250
Giardini-Naxos ME 17 9415 256665
Gaggi ME 17 3184 259849
San Giovanni la Punta CT 17 23060 282909
Nicolosi CT 17 7463 290372
San Gregorio di Catania CT 18 11966 302338
Taormina ME 18 10960 313298
Tremestieri Etneo CT 18 20589 333887
Aci Castello CT 18 18723 352610
Castelmola ME 18 1088 353698
Castiglione di Sicilia CT 19 3215 356913
Mascalucia CT 19 31958 388871
Sant'Agata li Battiati CT 19 9479 398350
Gravina di Catania CT 20 25838 424188
Motta Camastra ME 20 845 425033
Graniti ME 20 1492 426525

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km N of Acireale (52622 inhabitants)
25 Km N of Catania (314555 inhabitants)
60 Km SW of Reggio di Calabria (183035 inhabitants)
63 Km SW of Messina (238439 inhabitants)
74 Km N of Siracusa (122291 inhabitants)
96 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 2.0 2021-04-30
00:45:57
37.7178 15.1713 20 2021-07-12
16:55:10
Bollettino Sismico Italiano INGV 89836401
Reviewed
Rev200
ML 1.5 2021-04-30
00:45:57
37.74 15.137 13 2021-06-30
08:40:22
Sala Operativa INGV_OE (Catania) 89614491
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-30 00:45:57 ± 0.16
Latitude 37.7178 ± 0.0054
Longitude 15.1713 ± 0.0114
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 89836401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 771
Semi-minor axis of confidence ellipse (meter) 740
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 78
Circular confidence region, given by single value of horizontal uncertainty (meter) 770
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
Number of associated phases, regardless of their use for origin computation 36
Number of defining phases 36
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.75903
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:2

Field Value
Value 2
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 89836401
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-30 08:40:09

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 89614491
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-04-30 00:49:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2021-04-30T00:46:11.47 0.3 undecidable manual P 183 0.759 97 -0.07 64
IV.AIO.HHZ. 2021-04-30T00:46:08.14 0.6 undecidable manual S 11 0.2581 116 0.41 45
IV.SSY.HHZ. 2021-04-30T00:46:08.55 0.3 undecidable manual P 188 0.5648 100 0.29 64
IV.GALF.HHZ. 2021-04-30T00:46:07.72 0.3 undecidable manual P 269 0.4784 102 0.92 53
IV.HCRL.HHZ. 2021-04-30T00:46:06.36 0.3 undecidable manual P 194 0.4479 103 0.06 68
IV.EMNR.HHZ. 2021-04-30T00:46:05.86 0.6 undecidable manual S 311 0.152 133 0.75 40
IV.ECTS.HHZ. 2021-04-30T00:46:05.30 0.3 undecidable manual S 346 0.1691 129 -0.19 70
IV.HLNI.HHZ. 2021-04-30T00:46:05.81 0.3 undecidable manual P 213 0.4389 103 -0.34 65
IV.EPIT.HHZ. 2021-04-30T00:46:05.16 0.3 undecidable manual S 316 0.1304 138 0.5 67
IV.ENIC.HHZ. 2021-04-30T00:46:05.26 0.6 undecidable manual S 234 0.1466 134 0.26 46
IV.EMFS.HHE. 2021-04-30T00:46:04.36 0.6 undecidable manual S 271 0.1367 136 -0.44 45
IV.EMPL.HHZ. 2021-04-30T00:46:04.50 0.6 undecidable manual S 256 0.1637 131 -0.87 38
IV.EPOZ.HHZ. 2021-04-30T00:46:04.28 0.6 undecidable manual S 163 0.0477 163 0.84 39
IV.EPZF.HHZ. 2021-04-30T00:46:03.80 0.3 undecidable manual P 293 0.2698 114 0.39 67
IV.EVRN.HHZ. 2021-04-30T00:46:03.70 0.6 undecidable manual S 225 0.0405 165 0.32 47
IV.ESPC.HHN. 2021-04-30T00:46:03.82 0.6 undecidable manual S 258 0.1169 142 -0.58 43
IV.EFIU.HHZ. 2021-04-30T00:46:03.93 0.6 undecidable manual S 23 0.0782 153 0.15 49
IV.EMFO.HHE. 2021-04-30T00:46:03.53 0.6 undecidable manual S 286 0.0665 156 -0.11 49
IV.AIO.HHZ. 2021-04-30T00:46:03.15 0.3 undecidable manual P 11 0.2581 116 -0.07 70
IV.ESAL.HHZ. 2021-04-30T00:46:03.06 0.6 undecidable manual S 322 0.0477 163 -0.38 46
IV.ECZM.HHN. 2021-04-30T00:46:02.83 0.3 undecidable manual P 274 0.2113 122 0.3 68
IV.EMSG.HHZ. 2021-04-30T00:46:02.64 0.1 undecidable manual P 301 0.2032 123 0.24 93
IV.EMPL.HHZ. 2021-04-30T00:46:01.57 0.1 negative manual P 256 0.1637 131 -0.29 92
IV.ENIC.HHZ. 2021-04-30T00:46:01.77 0.3 undecidable manual P 234 0.1466 134 0.12 72
IV.EMNR.HHZ. 2021-04-30T00:46:01.75 0.3 undecidable manual P 311 0.152 133 0.04 73
IV.EMFS.HHE. 2021-04-30T00:46:01.21 0.1 undecidable manual P 271 0.1367 136 -0.32 92
IV.EPIT.HHZ. 2021-04-30T00:46:01.57 0.1 negative manual P 316 0.1304 138 0.12 97
IV.EMCN.HHN. 2021-04-30T00:46:01.42 0.3 undecidable manual P 304 0.1313 138 -0.04 73
IV.ECTS.HHZ. 2021-04-30T00:46:01.67 0.1 undecidable manual P 346 0.1691 129 -0.26 92
IV.EPOZ.HHZ. 2021-04-30T00:46:00.96 0.3 undecidable manual P 163 0.0477 163 0.21 72
IV.EVRN.HHZ. 2021-04-30T00:46:00.72 0.1 negative manual P 225 0.0405 165 0.01 100
IV.ESAL.HHZ. 2021-04-30T00:46:00.61 0.1 undecidable manual P 322 0.0477 163 -0.13 97
IV.ECBD.HHN. 2021-04-30T00:46:00.94 0.1 undecidable manual P 313 0.0917 149 -0.12 97
IV.EMFO.HHE. 2021-04-30T00:46:00.66 0.1 undecidable manual P 286 0.0665 156 -0.2 96
IV.EFIU.HHZ. 2021-04-30T00:46:00.73 0.1 positive manual P 23 0.0782 153 -0.21 95
IV.ESPC.HHN. 2021-04-30T00:46:00.93 0.1 undecidable manual P 258 0.1169 142 -0.37 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EVRN.HHN. ML:2.3 0.0015465 0.14 AML other m 2021-04-30T00:46:03.77
IV.EVRN.HNN. ML:2.4 0.00237 0.24 AML other m 2021-04-30T00:46:03.77
IV.EVRN.HHE. ML:2.5 0.0028 0.24 AML other m 2021-04-30T00:46:03.90
IV.EVRN.HNE. ML:2.4 0.00206 0.2 AML other m 2021-04-30T00:46:03.90
IV.ESAL.HHE. ML:2.2 0.001425 1.6 AML other m 2021-04-30T00:46:04.00
IV.ESAL.HHN. ML:2 0.000756288 0.96 AML other m 2021-04-30T00:46:03.73
IV.EFIU.HHN. ML:1.8 0.0005135 0.42 AML other m 2021-04-30T00:46:04.43
IV.EFIU.HHE. ML:1.6 0.0003475 0.66 AML other m 2021-04-30T00:46:05.01
IV.EPOZ.HHE. ML:1.8 0.0004805 0.48 AML other m 2021-04-30T00:46:05.21
IV.EMPL.HHE. ML:2 0.0005935 0.84 AML other m 2021-04-30T00:46:05.46
IV.ENIC.HHE. ML:1.9 0.0005465 1 AML other m 2021-04-30T00:46:05.54
IV.ECTS.HHE. ML:2.2 0.0010055 0.32 AML other m 2021-04-30T00:46:05.70
IV.ECTS.HHN. ML:2 0.0005535 1 AML other m 2021-04-30T00:46:06.67
IV.EMPL.HHN. ML:2.2 0.001008 0.16 AML other m 2021-04-30T00:46:06.92
IV.EPOZ.HHN. ML:1.8 0.000525 1.28 AML other m 2021-04-30T00:46:07.01
IV.EPIT.HHN. ML:2.2 0.0009975 1.64 AML other m 2021-04-30T00:46:07.95
IV.ENIC.HHN. ML:1.9 0.000576 0.2 AML other m 2021-04-30T00:46:08.58
IV.EPIT.HHE. ML:2 0.0007245 0.4 AML other m 2021-04-30T00:46:08.46
IV.AIO.HHE. ML:1.6 0.000163 0.22 AML other m 2021-04-30T00:46:09.20
IV.AIO.HHN. ML:1.5 0.0001405 0.26 AML other m 2021-04-30T00:46:09.73
IV.ESCV.HHE. ML:0 0.000145 0.78 AML other m 2021-04-30T00:46:11.08
IV.EPZF.HHN. ML:1.8 0.0002655 1.02 AML other m 2021-04-30T00:46:11.69
IV.ESCV.HHN. ML:0 0.0001515 0.5 AML other m 2021-04-30T00:46:11.20
IV.EPZF.HHE. ML:1.6 0.0001605 0.36 AML other m 2021-04-30T00:46:12.03
IV.EMSG.HHN. ML:1.9 0.0004 0.84 AML other m 2021-04-30T00:46:12.52
IV.EMSG.HHE. ML:1.8 0.000303 0.98 AML other m 2021-04-30T00:46:12.33
IV.GALF.HHN. ML:1.7 0.000124 0.42 AML other m 2021-04-30T00:46:21.70
IV.HAVL.HHE. ML:2 0.000126 0.3 AML other m 2021-04-30T00:46:24.76
IV.GALF.HHE. ML:1.6 9.025E-5 0.84 AML other m 2021-04-30T00:46:25.24
IV.HAVL.HHN. ML:2 0.000137 0.6 AML other m 2021-04-30T00:46:30.02
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