Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 24-01-2021 and time 10:44:45 (Italy) in region 2 km SE Giarre (CT)

A magnitude ML 2.4 earthquake occured in region: 2 km SE Giarre (CT), on

  • 24-01-2021 09:44:45 (UTC)
  • 24-01-2021 10:44:45 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7160, 15.1930 at 18 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
Giarre CT 2 27659 27659
Riposto CT 2 14838 42497
Mascali CT 5 14282 56779
Sant'Alfio CT 5 1582 58361
Santa Venerina CT 6 8592 66953
Milo CT 7 1087 68040
Zafferana Etnea CT 8 9517 77557
Fiumefreddo di Sicilia CT 9 9623 87180
Piedimonte Etneo CT 10 3963 91143
Acireale CT 12 52622 143765
Calatabiano CT 13 5308 149073
Aci Catena CT 13 29851 178924
Aci Sant'Antonio CT 13 17984 196908
Viagrande CT 14 8563 205471
Trecastagni CT 15 10910 216381
Linguaglossa CT 15 5403 221784
Aci Bonaccorsi CT 15 3524 225308
Pedara CT 16 14102 239410
Giardini-Naxos ME 16 9415 248825
Valverde CT 16 7840 256665
Gaggi ME 17 3184 259849
Taormina ME 17 10960 270809
San Giovanni la Punta CT 18 23060 293869
Castelmola ME 18 1088 294957
Aci Castello CT 18 18723 313680
San Gregorio di Catania CT 18 11966 325646
Nicolosi CT 18 7463 333109
Tremestieri Etneo CT 19 20589 353698
Castiglione di Sicilia CT 20 3215 356913
Graniti ME 20 1492 358405
Sant'Agata li Battiati CT 20 9479 367884
Mascalucia CT 20 31958 399842

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km N of Acireale (52622 inhabitants)
25 Km NE of Catania (314555 inhabitants)
59 Km SW of Reggio di Calabria (183035 inhabitants)
62 Km SW of Messina (238439 inhabitants)
73 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 2.4 2021-01-24
09:44:45		 37.7157 15.1928 19 2021-07-12
16:55:11		 Bollettino Sismico Italiano INGV 90223861
Reviewed
Rev200 		ML 2.1 2021-01-24
09:44:46		 37.744 15.12 10 2021-05-18
10:06:10		 Sala Operativa INGV_OE (Catania) 86525551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-24 09:44:45 ± 0.13
Latitude 37.7157 ± 0.0054
Longitude 15.1928 ± 0.0125
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 90223861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1027
Semi-minor axis of confidence ellipse (meter) 390
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) 1030.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 173
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.04407
Epicentral distance of station farthest from the epicenter (degree) 0.75723
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:2.4

Field Value
Value 2.4
Uncertainty 0.4
Num. used stations 22
Type of magnitude ML
Reference to an origin 90223861
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-05-18 10:05:20

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 86525551
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-24 09:54:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAGA.HHZ. 2021-01-24T09:45:01.70 0.6 undecidable manual S 184 47.9187 102 0.53 42
IV.HAVL.HHN. 2021-01-24T09:45:00.09 0.3 undecidable manual P 184 84.0492 96 -0.07 65
IV.MUCR.HHN. 2021-01-24T09:45:00.91 0.6 undecidable manual S 323 45.8208 103 0.28 45
IV.SSY.HHE. 2021-01-24T09:44:56.89 0.3 undecidable manual P 190 62.7927 98 -0.01 69
IV.AIO.HHE. 2021-01-24T09:44:55.92 0.6 undecidable manual S 7 28.5492 113 -0.31 46
IV.HLNI.HHZ. 2021-01-24T09:44:54.36 0.3 undecidable manual P 215 49.5171 101 -0.53 63
IV.MUCR.HHN. 2021-01-24T09:44:54.52 0.3 undecidable manual P 323 45.8208 103 0.19 69
IV.HCRL.HHZ. 2021-01-24T09:44:54.94 0.1 undecidable manual P 196 50.0166 101 -0.02 94
IV.HAGA.HHZ. 2021-01-24T09:44:54.47 0.3 undecidable manual P 184 47.9187 102 -0.17 68
IV.EMNR.HHZ. 2021-01-24T09:44:54.36 0.6 undecidable manual S 308 18.4704 127 0.49 45
IV.EPIT.HHN. 2021-01-24T09:44:53.91 0.6 undecidable manual S 312 15.9729 132 0.55 44
IV.ENIC.HHZ. 2021-01-24T09:44:53.81 0.3 undecidable manual S 238 17.6712 128 0.09 74
IV.ECTS.HHZ. 2021-01-24T09:44:53.99 0.6 undecidable manual S 341 19.4694 125 -0.11 49
IV.EMCN.HHE. 2021-01-24T09:44:53.38 0.6 undecidable manual S 301 16.2726 131 -0.05 50
IV.ESML.HHZ. 2021-01-24T09:44:52.87 0.3 undecidable manual P 249 29.5482 112 0.94 55
IV.ECBD.HHN. 2021-01-24T09:44:52.37 0.6 undecidable manual S 308 11.7771 142 -0.22 48
IV.ESAL.HHE. 2021-01-24T09:44:52.14 0.6 undecidable manual S 311 6.6933 157 0.23 48
IV.EVRN.HNN. 2021-01-24T09:44:52.03 0.6 undecidable manual S 240 5.7942 160 0.22 49
IV.ESPC.HHN. 2021-01-24T09:44:52.24 0.6 undecidable manual S 260 14.7741 135 -0.89 39
IV.EFIU.HHE. 2021-01-24T09:44:52.63 0.6 undecidable manual S 11 8.3805 152 0.54 45
IV.EPZF.HHZ. 2021-01-24T09:44:52.41 0.3 undecidable manual P 292 31.8459 110 0.16 71
IV.ENIC.HHZ. 2021-01-24T09:44:51.41 0.3 undecidable manual P 238 17.6712 128 1.07 53
IV.EMFO.HHE. 2021-01-24T09:44:51.62 0.6 undecidable manual S 284 9.2796 149 -0.6 44
IV.EPOZ.HHZ. 2021-01-24T09:44:51.96 0.6 undecidable manual S 184 4.8951 163 0.23 49
IV.AIO.HHE. 2021-01-24T09:44:51.77 0.1 undecidable manual P 7 28.5492 113 -0.02 98
IV.EMSG.HHN. 2021-01-24T09:44:51.44 0.3 undecidable manual P 299 24.2535 118 0.25 71
IV.ECTS.HHZ. 2021-01-24T09:44:50.19 0.3 undecidable manual P 341 19.4694 125 -0.37 69
IV.EMNR.HHZ. 2021-01-24T09:44:50.51 0.3 undecidable manual P 308 18.4704 127 0.08 74
IV.EMCN.HHE. 2021-01-24T09:44:50.19 0.3 undecidable manual P 301 16.2726 131 0.02 75
IV.ESLN.HHN. 2021-01-24T09:44:50.17 0.3 undecidable manual P 263 19.3695 125 -0.37 69
IV.EPIT.HHN. 2021-01-24T09:44:49.89 0.3 undecidable manual P 312 15.9729 132 -0.24 72
IV.EMFO.HHE. 2021-01-24T09:44:49.14 0.3 undecidable manual P 284 9.2796 149 -0.33 71
IV.EPOZ.HHZ. 2021-01-24T09:44:49.46 0.1 undecidable manual P 184 4.8951 163 0.27 97
IV.ECBD.HHN. 2021-01-24T09:44:49.54 0.3 undecidable manual P 308 11.7771 142 -0.15 73
IV.ESAL.HHE. 2021-01-24T09:44:49.17 0.1 undecidable manual P 311 6.6933 157 -0.12 99
IV.EVRN.HNN. 2021-01-24T09:44:49.14 0.1 undecidable manual P 240 5.7942 160 -0.1 100
IV.ESPC.HHN. 2021-01-24T09:44:49.45 0.1 undecidable manual P 260 14.7741 135 -0.55 89
IV.EFIU.HHE. 2021-01-24T09:44:49.33 0.1 undecidable manual P 11 8.3805 152 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EVRN.HNN. ML:3.2 0.01525 0.16 AML other m 2021-01-24T09:44:54.25
IV.EVRN.HHN. ML:3.2 0.01295 0.16 AML other m 2021-01-24T09:44:54.25
IV.EVRN.HHE. ML:3.2 0.01425 0.24 AML other m 2021-01-24T09:44:54.38
IV.EVRN.HNE. ML:3.1 0.011789999999999998 0.18 AML other m 2021-01-24T09:44:54.38
IV.EPOZ.HHE. ML:2.5 0.002725 1.08 AML other m 2021-01-24T09:44:55.70
IV.EMCN.HNE. ML:2.8 0.004195 1.48 AML other m 2021-01-24T09:44:55.95
IV.EMCN.HHE. ML:2.8 0.00424 1.5 AML other m 2021-01-24T09:44:55.96
IV.ENIC.HHN. ML:2.6 0.00221 1.58 AML other m 2021-01-24T09:44:56.06
IV.EPOZ.HHN. ML:2.4 0.0023799999999999997 0.5 AML other m 2021-01-24T09:44:56.73
IV.ENIC.HHE. ML:2.7 0.00321 0.18 AML other m 2021-01-24T09:44:57.77
IV.ESML.HHN. ML:1.9 0.000376 0.54 AML other m 2021-01-24T09:44:59.99
IV.EPZF.HHN. ML:2.3 0.0008640000000000001 0.54 AML other m 2021-01-24T09:45:01.30
IV.EMCN.HNN. ML:2.7 0.00333 0.42 AML other m 2021-01-24T09:45:02.40
IV.EMCN.HHN. ML:2.7 0.0032350000000000005 0.42 AML other m 2021-01-24T09:45:02.40
IV.ESML.HHE. ML:2.2 0.0006745 1.32 AML other m 2021-01-24T09:45:02.03
IV.EPZF.HHE. ML:2.2 0.0006274999999999999 1.42 AML other m 2021-01-24T09:45:03.01
IV.MUCR.HHN. ML:2.0 0.0003045 1.44 AML other m 2021-01-24T09:45:03.96
IV.MUCR.HHE. ML:2.0 0.00030649999999999997 1.58 AML other m 2021-01-24T09:45:04.00
IV.HCRL.HHN. ML:2.0 0.000246 0.6 AML other m 2021-01-24T09:45:06.29
IV.HCRL.HHE. ML:2.0 0.0002385 0.42 AML other m 2021-01-24T09:45:07.95
IV.HLNI.HHE. ML:1.8 0.000143 0.42 AML other m 2021-01-24T09:45:09.76
IV.HLNI.HHN. ML:1.8 0.00014900000000000002 0.76 AML other m 2021-01-24T09:45:09.86
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