Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 07-06-2021 and time 04:23:55 (UTC) in region 3 km W Gaggi (ME)

A magnitude ML 1.9 earthquake occured in region: 3 km W Gaggi (ME), on

  • 07-06-2021 04:23:55 (UTC)
  • 07-06-2021 06:23:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8620, 15.1860 at 21 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 3 3184 3184
Motta Camastra ME 4 845 4029
Linguaglossa CT 4 5403 9432
Graniti ME 5 1492 10924
Calatabiano CT 6 5308 16232
Piedimonte Etneo CT 6 3963 20195
Castiglione di Sicilia CT 6 3215 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 9 600 59041
Roccafiorita ME 11 197 59238
Gallodoro ME 11 367 59605
Letojanni ME 11 2861 62466
Mascali CT 12 14282 76748
Limina ME 12 836 77584
Moio Alcantara ME 13 717 78301
Malvagna ME 13 733 79034
Sant'Alfio CT 14 1582 80616
Antillo ME 14 919 81535
Fondachelli-Fantina ME 14 1019 82554
Forza d'Agrò ME 14 911 83465
Riposto CT 15 14838 98303
Giarre CT 15 27659 125962
Sant'Alessio Siculo ME 15 1554 127516
Casalvecchio Siculo ME 16 842 128358
Milo CT 17 1087 129445
Savoca ME 17 1732 131177
Roccella Valdemone ME 17 666 131843
Novara di Sicilia ME 18 1337 133180
Santa Teresa di Riva ME 19 9377 142557
Mandanici ME 20 601 143158
Santa Venerina CT 20 8592 151750
Zafferana Etnea CT 20 9517 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)
49 Km SW of Messina (238439 inhabitants)
90 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 1.9 2021-06-07
04:23:55		 37.8625 15.1855 21 2021-12-29
11:12:12		 Bollettino Sismico Italiano INGV 92955441
Reviewed
Rev200 		ML 1.6 2021-06-07
04:23:55		 37.868 15.179 17 2021-08-10
14:32:09		 Sala Operativa INGV_OE (Catania) 90881311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-07 04:23:55 ± 0.13
Latitude 37.8625 ± 0.0063
Longitude 15.1855 ± 0.0103
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 92955441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 855
Semi-minor axis of confidence ellipse (meter) 566
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) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 37
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.90382
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 90881311
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-06-07 04:36:03

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 92955441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-19 13:26:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ACATE.EHZ. 2021-06-07T04:24:27.49 3.0 undecidable manual S 0.12 0
IV.SPS2.HHZ. 2021-06-07T04:24:22.17 3.0 undecidable manual Pn -1.1 0
IV.HLNI.HHZ. 2021-06-07T04:24:14.18 0.3 undecidable manual S 206 63.2922 101 -0.66 57
IV.HAVL.HHZ. 2021-06-07T04:24:11.59 0.3 undecidable manual P 183 100.3218 97 -0.59 55
IV.SSY.HHZ. 2021-06-07T04:24:08.98 0.3 undecidable manual P 187 78.7656 99 0.09 66
IV.MPNC.HHZ. 2021-06-07T04:24:07.67 0.3 undecidable manual S 25 34.743 113 0.15 70
IV.HCRL.HHZ. 2021-06-07T04:24:06.60 0.3 undecidable manual P 192 65.6898 101 -0.3 64
IV.EPZF.HHZ. 2021-06-07T04:24:06.79 0.3 undecidable manual S 262 29.0487 118 0.62 64
IV.HAGA.HHZ. 2021-06-07T04:24:06.29 0.3 undecidable manual P 182 64.0914 101 -0.37 63
IV.HLNI.HHZ. 2021-06-07T04:24:06.03 0.3 undecidable manual P 206 63.2922 101 -0.51 61
IV.ESPC.HHN. 2021-06-07T04:24:05.00 0.3 undecidable manual S 216 23.4543 125 0.13 72
IV.MSRU.HHZ. 2021-06-07T04:24:05.30 0.3 undecidable manual P 32 52.7028 104 0.35 65
IV.ENIC.HHZ. 2021-06-07T04:24:05.52 3.0 undecidable manual P 0
IV.MTTG.HHE. 2021-06-07T04:24:04.68 0.3 undecidable manual P 71 47.619 106 0.49 63
IV.NOV.HHZ. 2021-06-07T04:24:03.80 0.3 undecidable manual S 347 18.87 132 -0.12 73
IV.EPIT.HHZ. 2021-06-07T04:24:03.26 0.3 undecidable manual S 243 12.6762 145 0.44 69
IV.AIO.HHZ. 2021-06-07T04:24:02.66 0.3 undecidable manual S 19 12.7761 145 -0.18 73
IV.MPNC.HHZ. 2021-06-07T04:24:02.31 0.3 undecidable manual P 25 34.743 113 -0.01 72
IV.EFIU.HHZ. 2021-06-07T04:24:02.30 0.3 undecidable manual S 165 8.3805 156 0.04 74
IV.EPOZ.HHZ. 2021-06-07T04:24:01.21 0.3 undecidable manual P 179 21.1677 129 0.7 61
IV.ECHR.HHE. 2021-06-07T04:24:01.87 0.3 undecidable manual P 231 30.8469 117 0.09 72
IV.EPZF.HHZ. 2021-06-07T04:24:01.68 0.1 undecidable manual P 262 29.0487 118 0.15 95
IV.ECZM.HHN. 2021-06-07T04:24:01.92 0.3 undecidable manual P 240 28.6491 119 0.45 67
IV.ESLN.HHZ. 2021-06-07T04:24:01.57 0.3 undecidable manual P 225 26.3514 121 0.4 68
IV.MUCR.HHZ. 2021-06-07T04:24:01.80 0.3 undecidable manual P 306 33.8439 114 -0.39 66
IV.ECTS.HHZ. 2021-06-07T04:24:01.34 0.1 undecidable manual S 291 6.0939 162 -0.69 85
IV.EMCN.HHN. 2021-06-07T04:24:00.08 0.3 undecidable manual P 239 15.4734 139 0.2 72
IV.EMFS.HHE. 2021-06-07T04:24:00.86 0.3 undecidable manual P 226 22.8549 126 0.14 72
IV.EMFO.HHE. 2021-06-07T04:24:00.01 0.1 negative manual P 211 16.3725 137 0.04 99
IV.ESPC.HHN. 2021-06-07T04:24:00.66 0.1 undecidable manual P 216 23.4543 125 -0.13 95
IV.EVRN.HNN. 2021-06-07T04:24:00.84 0.3 undecidable manual P 193 19.7691 131 0.5 67
IV.EMSG.HHZ. 2021-06-07T04:24:00.58 0.3 undecidable manual P 257 21.1677 129 0.07 73
IV.EFIU.HHZ. 2021-06-07T04:23:59.15 0.1 negative manual P 165 8.3805 156 -0.13 99
IV.ESAL.HHZ. 2021-06-07T04:23:59.73 0.1 negative manual P 201 12.7761 145 0.12 98
IV.ECBD.HHN. 2021-06-07T04:23:59.61 0.1 negative manual P 224 12.5763 145 0.01 100
IV.AIO.HHZ. 2021-06-07T04:23:59.44 0.1 positive manual P 19 12.7761 145 -0.17 97
IV.NOV.HHZ. 2021-06-07T04:23:59.99 0.1 positive manual P 347 18.87 132 -0.25 94
IV.EMNR.HHZ. 2021-06-07T04:23:59.96 0.1 negative manual P 250 14.874 140 0.15 97
IV.EPIT.HHZ. 2021-06-07T04:23:59.67 0.1 negative manual P 243 12.6762 145 0.06 99
IV.ECTS.HHZ. 2021-06-07T04:23:58.62 0.1 positive manual P 291 6.0939 162 -0.53 90
IV.ESVO.HHZ. 2021-06-07T04:23:56.04 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.HHN. ML:2.2 0.0012050000000000001 0.22 AML other m 2021-06-07T04:24:01.48
IV.ECTS.HHE. ML:1.6 0.0003255 0.64 AML other m 2021-06-07T04:24:01.99
IV.AIO.HHN. ML:1.9 0.00048550000000000004 0.16 AML other m 2021-06-07T04:24:03.34
IV.AIO.HHE. ML:1.7 0.0003195 0.66 AML other m 2021-06-07T04:24:03.09
IV.NOV.HHN. ML:2.0 0.0005325 0.6 AML other m 2021-06-07T04:24:04.36
IV.NOV.HHE. ML:2.1 0.000778 1.44 AML other m 2021-06-07T04:24:04.21
IV.EPIT.HHE. ML:2.1 0.0007930000000000001 0.24 AML other m 2021-06-07T04:24:04.76
IV.EPIT.HHN. ML:2.2 0.000967 0.36 AML other m 2021-06-07T04:24:04.91
IV.ESAL.HHN. ML:1.8 0.0004 1.08 AML other m 2021-06-07T04:24:06.00
IV.ESAL.HHE. ML:2.1 0.0007595000000000001 0.28 AML other m 2021-06-07T04:24:06.75
IV.MUCR.HHE. ML:1.4 0.00008494999999999999 0.7 AML other m 2021-06-07T04:24:07.68
IV.MUCR.HHN. ML:1.6 0.00015099999999999998 0.46 AML other m 2021-06-07T04:24:07.52
IV.EPZF.HHE. ML:1.5 0.0001205 0.4 AML other m 2021-06-07T04:24:07.94
IV.EPZF.HHN. ML:1.7 0.00019600000000000002 0.42 AML other m 2021-06-07T04:24:08.09
IV.MPNC.HHN. ML:2.2 0.0005204999999999999 0.58 AML other m 2021-06-07T04:24:08.46
IV.MPNC.HHE. ML:2.0 0.0003485 0.46 AML other m 2021-06-07T04:24:08.75
IV.EMSG.HHE. ML:1.8 0.00036199999999999996 0.3 AML other m 2021-06-07T04:24:12.22
IV.EMSG.HHN. ML:1.8 0.000321 0.8 AML other m 2021-06-07T04:24:12.41
IV.MSRU.HHN. ML:1.6 0.0000831 0.78 AML other m 2021-06-07T04:24:13.10
IV.HLNI.HHE. ML:1.7 0.000095 0.52 AML other m 2021-06-07T04:24:15.05
IV.HLNI.HHN. ML:1.6 0.00007700000000000001 0.38 AML other m 2021-06-07T04:24:15.33
IV.HAGA.HHE. ML:1.8 0.00010605 1.04 AML other m 2021-06-07T04:24:15.99
IV.HAGA.HHN. ML:1.8 0.00011499999999999999 0.7 AML other m 2021-06-07T04:24:16.79
IV.MSRU.HHE. ML:1.7 0.000107 0.32 AML other m 2021-06-07T04:24:16.60
IV.HCRL.HHE. ML:2.1 0.0001985 1.18 AML other m 2021-06-07T04:24:16.03
IV.HCRL.HHN. ML:2.0 0.00015500000000000003 0.78 AML other m 2021-06-07T04:24:17.69
IV.SSY.HHE. ML:2.3 0.000246 0.98 AML other m 2021-06-07T04:24:22.82
IV.SSY.HHN. ML:2.7 0.0007505 0.14 AML other m 2021-06-07T04:24:23.26
IV.HAVL.HHE. ML:2.1 0.0001175 0.26 AML other m 2021-06-07T04:24:26.79
IV.HAVL.HHN. ML:2.2 0.00014600000000000003 0.26 AML other m 2021-06-07T04:24:26.93
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