Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.4 on date 30-08-2023 and time 00:18:05 (Italy) in region 3 km W Gaggi (ME)

A magnitude ML 2.4 earthquake occured in region: 3 km W Gaggi (ME), on

  • 29-08-2023 22:18:05 (UTC)
  • 30-08-2023 00:18:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8600, 15.1820 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.

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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
Gaggi ME 4 3184 3184
Linguaglossa CT 4 5403 8587
Motta Camastra ME 4 845 9432
Graniti ME 5 1492 10924
Calatabiano CT 6 5308 16232
Castiglione di Sicilia CT 6 3215 19447
Piedimonte Etneo CT 6 3963 23410
Francavilla di Sicilia ME 6 3945 27355
Fiumefreddo di Sicilia CT 8 9623 36978
Castelmola ME 8 1088 38066
Giardini-Naxos ME 9 9415 47481
Taormina ME 9 10960 58441
Mongiuffi Melia ME 10 600 59041
Gallodoro ME 11 367 59408
Roccafiorita ME 11 197 59605
Letojanni ME 11 2861 62466
Mascali CT 11 14282 76748
Limina ME 12 836 77584
Moio Alcantara ME 12 717 78301
Malvagna ME 13 733 79034
Sant'Alfio CT 13 1582 80616
Fondachelli-Fantina ME 14 1019 81635
Antillo ME 14 919 82554
Riposto CT 14 14838 97392
Giarre CT 14 27659 125051
Forza d'Agrò ME 15 911 125962
Sant'Alessio Siculo ME 16 1554 127516
Milo CT 16 1087 128603
Casalvecchio Siculo ME 17 842 129445
Roccella Valdemone ME 17 666 130111
Savoca ME 18 1732 131843
Novara di Sicilia ME 18 1337 133180
Santa Teresa di Riva ME 19 9377 142557
Zafferana Etnea CT 20 9517 152074
Santa Venerina CT 20 8592 160666
Mandanici ME 20 601 161267

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km N of Acireale (52622 inhabitants)
41 Km N of Catania (314555 inhabitants)
49 Km SW of Reggio di Calabria (183035 inhabitants)
50 Km SW of Messina (238439 inhabitants)
89 Km N of Siracusa (122291 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 2023-08-29
22:18:05		 37.8605 15.1817 20 2024-09-10
16:44:19		 Bollettino Sismico Italiano INGV 121483831
Reviewed
Rev200 		ML 2.1 2023-08-29
22:18:05		 37.867 15.164 12 2024-08-30
09:35:17		 Sala Operativa INGV_OE (Catania) 120595301
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-08-29 22:18:05 ± 0.16
Latitude 37.8605 ± 0.0063
Longitude 15.1817 ± 0.0103
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 121483831

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1016
Semi-minor axis of confidence ellipse (meter) 134
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 301
Circular confidence region, given by single value of horizontal uncertainty (meter) 1020.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 48
Number of defining phases 42
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.15743
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:2.4

Field Value
Value 2.4
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 121483831
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-09-26 12:32:07

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 120595301
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-08-29 22:27:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HHZ. 2023-08-29T22:19:51.61 3.0 undecidable manual Sg 12.27 0
IV.MIGL.HHZ. 2023-08-29T22:19:36.85 3.0 undecidable manual Sg 12.29 0
IV.MCEL.HHZ. 2023-08-29T22:19:20.78 3.0 undecidable manual Sg 6.18 0
IV.PTRJ.HHZ. 2023-08-29T22:19:04.10 3.0 undecidable manual Pg 6.29 0
IV.SALB.HHZ. 2023-08-29T22:18:44.21 3.0 undecidable manual Pg 4.26 0
IV.HPAC.HHZ. 2023-08-29T22:18:25.88 0.3 undecidable manual P 186 128.4714 94 -0.45 55
IV.HMDC.HHZ. 2023-08-29T22:18:22.01 0.1 undecidable manual P 199 106.0161 95 -0.87 65
IV.MSRU.HHZ. 2023-08-29T22:18:22.29 0.3 undecidable manual S 32 53.1024 102 0.37 65
IV.HAVL.HHZ. 2023-08-29T22:18:21.24 0.3 undecidable manual P 183 100.122 96 -0.73 53
IV.RAFF.HHZ. 2023-08-29T22:18:21.74 0.1 undecidable manual P 226 101.0211 95 -0.37 79
IV.CSLB.HHZ. 2023-08-29T22:18:21.84 0.3 undecidable manual P 275 98.7234 96 0.08 63
IV.MPNC.HHN. 2023-08-29T22:18:17.54 0.6 undecidable manual S 25 35.0427 110 0.25 46
IV.MUCR.HHZ. 2023-08-29T22:18:16.32 0.3 undecidable manual S 307 33.6441 111 -0.62 63
IV.HLNI.HHZ. 2023-08-29T22:18:15.49 0.3 undecidable manual P 206 62.9925 99 -0.81 55
IV.MRCB.HHZ. 2023-08-29T22:18:15.63 0.3 undecidable manual P 54 56.499 101 0.31 65
IV.EVRN.HHZ. 2023-08-29T22:18:15.27 0.6 undecidable manual S 192 19.4694 128 1.68 25
IV.GALF.HHZ. 2023-08-29T22:18:15.65 0.3 undecidable manual P 253 56.3991 101 0.34 65
IV.MSRU.HHZ. 2023-08-29T22:18:15.23 0.1 undecidable manual P 32 53.1024 102 0.43 85
IV.EMSG.HHZ. 2023-08-29T22:18:14.72 0.3 undecidable manual S 258 20.7681 125 0.84 58
IV.ESPC.HHZ. 2023-08-29T22:18:14.38 0.3 undecidable manual S 216 23.0547 122 0 74
IV.NOV.HHZ. 2023-08-29T22:18:13.51 0.3 undecidable manual S 348 18.9699 128 0.01 74
IV.ESML.HNE. 2023-08-29T22:18:13.37 0.3 undecidable manual P 225 37.7289 108 0.85 56
IV.EMNR.HHZ. 2023-08-29T22:18:12.86 0.3 undecidable manual S 250 14.4744 137 0.25 71
IV.MPNC.HHN. 2023-08-29T22:18:12.32 0.1 undecidable manual P 25 35.0427 110 0.19 93
IV.ECBD.HHZ. 2023-08-29T22:18:12.63 0.3 undecidable manual S 223 12.1767 143 0.41 69
IV.MUCR.HHZ. 2023-08-29T22:18:11.60 0.1 negative manual P 307 33.6441 111 -0.32 91
IV.ECZM.HHZ. 2023-08-29T22:18:11.77 0.3 undecidable manual P 240 28.2495 116 0.62 63
IV.EFIU.HHZ. 2023-08-29T22:18:11.87 0.3 undecidable manual S 162 8.2806 153 0.2 73
IV.LIBRI.HNZ. 2023-08-29T22:18:11.44 0.1 undecidable manual P 318 33.1446 111 -0.41 89
IV.ECTS.HHZ. 2023-08-29T22:18:10.68 0.3 undecidable manual S 294 5.7942 161 -0.73 62
IV.EPOZ.HHZ. 2023-08-29T22:18:10.67 0.1 undecidable manual P 178 20.9679 125 0.5 89
IV.ESVO.HHZ. 2023-08-29T22:18:10.72 0.1 undecidable manual P 245 22.755 122 0.31 92
IV.EPMN.HHZ. 2023-08-29T22:18:10.68 0.3 undecidable manual S 185 4.4955 165 -0.62 65
IV.ECNE.HHZ. 2023-08-29T22:18:10.88 0.3 undecidable manual P 236 18.9699 128 0.95 55
IV.EMSG.HHZ. 2023-08-29T22:18:10.09 0.1 undecidable manual P 258 20.7681 125 -0.06 98
IV.ESLN.HHZ. 2023-08-29T22:18:10.77 0.6 undecidable manual P 224 25.9518 118 -0.06 48
IV.ESPC.HHZ. 2023-08-29T22:18:10.99 0.3 undecidable manual P 216 23.0547 122 0.55 65
IV.EMCN.HNZ. 2023-08-29T22:18:09.51 0.1 undecidable manual P 239 15.0738 136 0.02 99
IV.ECBD.HHZ. 2023-08-29T22:18:09.02 0.1 positive manual P 223 12.1767 143 -0.18 97
IV.AIO.HHZ. 2023-08-29T22:18:09.24 3.0 positive manual P 0.01 0
IV.EMNR.HHZ. 2023-08-29T22:18:09.42 0.1 positive manual P 250 14.4744 137 0 100
IV.NOV.HHZ. 2023-08-29T22:18:09.77 0.1 positive manual P 348 18.9699 128 -0.16 96
IV.EMFO.HHZ. 2023-08-29T22:18:09.47 0.1 undecidable manual P 210 15.9729 134 -0.12 97
IV.ESAL.HHZ. 2023-08-29T22:18:09.25 0.1 positive manual P 199 12.3765 142 0.03 100
IV.EVRN.HHZ. 2023-08-29T22:18:09.93 0.3 undecidable manual P 192 19.4694 128 -0.06 73
IV.EFIU.HHZ. 2023-08-29T22:18:08.72 0.1 negative manual P 162 8.2806 153 -0.16 98
IV.ECTS.HHZ. 2023-08-29T22:18:08.17 0.1 positive manual P 294 5.7942 161 -0.56 89
IV.EPMN.HHZ. 2023-08-29T22:18:08.29 0.1 positive manual P 185 4.4955 165 -0.38 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EPMN.HHE. ML:2.9 0.007115 0.28 AML other m 2023-08-29T22:18:11.16
IV.ECTS.HHN. ML:2.3 0.0016950000000000001 0.78 AML other m 2023-08-29T22:18:11.00
IV.EPMN.HHN. ML:2.9 0.006535 1.06 AML other m 2023-08-29T22:18:11.99
IV.ECTS.HHE. ML:2.3 0.0015249999999999999 0.42 AML other m 2023-08-29T22:18:12.61
IV.EFIU.HHE. ML:2.4 0.0022299999999999998 0.68 AML other m 2023-08-29T22:18:12.48
IV.EFIU.HNE. ML:2.5 0.002505 0.7 AML other m 2023-08-29T22:18:12.49
IV.NOV.HNN. ML:1.6 0.0002295 1.68 AML other m 2023-08-29T22:18:13.95
IV.NOV.HNE. ML:1.7 0.0002805 1.24 AML other m 2023-08-29T22:18:13.97
IV.NOV.HHE. ML:2.3 0.0012230000000000001 1.24 AML other m 2023-08-29T22:18:13.97
IV.NOV.HHN. ML:2.2 0.000944 0.96 AML other m 2023-08-29T22:18:14.11
IV.EMSG.HHN. ML:3.3 0.010715 0.26 AML other m 2023-08-29T22:18:15.36
IV.EFIU.HHN. ML:2.2 0.001435 0.56 AML other m 2023-08-29T22:18:15.65
IV.EFIU.HNN. ML:2.3 0.001625 0.56 AML other m 2023-08-29T22:18:15.65
IV.MUCR.HHE. ML:2.3 0.0007035 0.5 AML other m 2023-08-29T22:18:16.98
IV.ESAL.HHE. ML:2.6 0.003005 1.2 AML other m 2023-08-29T22:18:17.60
IV.MUCR.HHN. ML:2.4 0.0009955 0.28 AML other m 2023-08-29T22:18:17.15
IV.EMSG.HHE. ML:3.0 0.006295 0.78 AML other m 2023-08-29T22:18:17.69
IV.ESAL.HHN. ML:2.5 0.0024449999999999997 0.46 AML other m 2023-08-29T22:18:17.82
IV.EPOZ.HNN. ML:2.2 0.000882 1.12 AML other m 2023-08-29T22:18:19.77
IV.EPOZ.HHN. ML:2.1 0.000697 0.82 AML other m 2023-08-29T22:18:22.52
IV.EPOZ.HHE. ML:2.2 0.0008660000000000001 0.4 AML other m 2023-08-29T22:18:22.73
IV.EPOZ.HNE. ML:2.2 0.0009080000000000001 0.88 AML other m 2023-08-29T22:18:22.74
IV.HLNI.HHE. ML:1.9 0.00014050000000000003 1.4 AML other m 2023-08-29T22:18:25.22
IV.HLNI.HHN. ML:1.9 0.00015350000000000002 0.98 AML other m 2023-08-29T22:18:26.44
IV.GALF.HHN. ML:2.5 0.0007059999999999999 0.6 AML other m 2023-08-29T22:18:26.50
IV.GALF.HNN. ML:2.2 0.00032499999999999993 0.7 AML other m 2023-08-29T22:18:26.52
IV.GALF.HHE. ML:2.6 0.0009 0.52 AML other m 2023-08-29T22:18:27.31
IV.GALF.HNE. ML:2.3 0.00043100000000000007 0.62 AML other m 2023-08-29T22:18:27.34
IV.MRCB.HHN. ML:2.0 0.0001875 0.42 AML other m 2023-08-29T22:18:28.28
IV.MRCB.HHE. ML:2.0 0.00022449999999999998 0.42 AML other m 2023-08-29T22:18:29.39
IV.HAVL.HHN. ML:2.6 0.000384 0.22 AML other m 2023-08-29T22:18:35.17
IV.HAVL.HHE. ML:2.6 0.00043149999999999997 0.2 AML other m 2023-08-29T22:18:35.45
IV.HMDC.HHN. ML:2.7 0.000421 0.7 AML other m 2023-08-29T22:18:36.47
IV.HMDC.HNN. ML:2.7 0.00042699999999999997 0.68 AML other m 2023-08-29T22:18:36.48
IV.HMDC.HHE. ML:2.6 0.00038250000000000003 0.6 AML other m 2023-08-29T22:18:36.23
IV.HMDC.HNE. ML:2.6 0.000364 0.6 AML other m 2023-08-29T22:18:36.25
IV.HPAC.HHN. ML:2.6 0.000273 0.26 AML other m 2023-08-29T22:18:43.51
IV.HPAC.HHE. ML:2.7 0.00032450000000000003 0.84 AML other m 2023-08-29T22:18:46.64
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