Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 03-06-2021 and time 20:41:39 (UTC) in region 12 km E Bronte (CT)

A magnitude ML 2.1 earthquake occured in region: 12 km E Bronte (CT), on

  • 03-06-2021 20:41:39 (UTC)
  • 03-06-2021 22:41:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7520, 14.9600 at 9 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
Bronte CT 12 19172 19172
Maletto CT 12 3920 23092
Ragalna CT 14 3924 27016
Zafferana Etnea CT 14 9517 36533
Milo CT 14 1087 37620
Randazzo CT 14 10900 48520
Biancavilla CT 15 24007 72527
Adrano CT 15 36122 108649
Santa Maria di Licodia CT 16 7641 116290
Sant'Alfio CT 16 1582 117872
Nicolosi CT 16 7463 125335
Santa Venerina CT 17 8592 133927
Pedara CT 17 14102 148029
Belpasso CT 18 28108 176137
Trecastagni CT 18 10910 187047
Maniace CT 18 3765 190812
Moio Alcantara ME 18 717 191529
Santa Domenica Vittoria ME 18 980 192509
Linguaglossa CT 19 5403 197912
Viagrande CT 20 8563 206475
Giarre CT 20 27659 234134
Paternò CT 20 48228 282362

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Acireale (52622 inhabitants)
30 Km NW of Catania (314555 inhabitants)
72 Km SW of Messina (238439 inhabitants)
72 Km SW of Reggio di Calabria (183035 inhabitants)
82 Km NW of Siracusa (122291 inhabitants)
84 Km E of Caltanissetta (63360 inhabitants)
94 Km N of Ragusa (73313 inhabitants)
97 Km NE of Vittoria (63339 inhabitants)
99 Km NE of Gela (75827 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 2.1 2021-06-03
20:41:39		 37.7517 14.9605 9 2021-12-29
11:12:36		 Bollettino Sismico Italiano INGV 96478381
Reviewed
Rev200 		ML 1.9 2021-06-03
20:41:39		 37.759 14.969 4 2021-10-12
16:10:57		 Sala Operativa INGV_OE (Catania) 90770591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-03 20:41:39 ± 0.05
Latitude 37.7517 ± 0.0027
Longitude 14.9605 ± 0.0034
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96478381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 349
Semi-minor axis of confidence ellipse (meter) 303
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 118
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 44
Number of associated phases, regardless of their use for origin computation 57
Number of defining phases 57
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.80489
Number of stations at which the event was observed 38
Number of stations from which data was used for origin computation 38
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 96478381
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-12 16:10:47

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 90770591
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-06-03 20:51:35
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2021-06-03T20:42:07.20 0.6 undecidable manual S 171 89.0442 50 0.7 36
IV.HMDC.HHZ. 2021-06-03T20:41:56.01 0.3 undecidable manual P 190 89.3439 50 0.73 53
IV.HAVL.HHZ. 2021-06-03T20:41:54.76 0.3 undecidable manual P 171 89.0442 50 -0.48 59
IV.SSY.HHZ. 2021-06-03T20:41:52.11 0.3 undecidable manual P 171 66.6777 50 0.32 63
IV.HVZN.HHZ. 2021-06-03T20:41:52.30 0.6 undecidable manual P 199 67.1772 50 0.43 41
IV.MILZ.HHZ. 2021-06-03T20:41:51.33 0.3 undecidable manual P 22 62.2932 50 0.21 65
IV.MPNC.HHZ. 2021-06-03T20:41:50.07 0.3 undecidable manual P 38 55.5999 50 -0.02 69
IV.HAGA.HHZ. 2021-06-03T20:41:50.66 0.6 undecidable manual P 162 54.501 50 0.74 38
IV.MCPD.HHZ. 2021-06-03T20:41:48.40 0.6 undecidable manual P 334 45.5211 50 -0.13 46
IV.HLNI.HHZ. 2021-06-03T20:41:48.20 0.6 undecidable manual P 190 45.4212 50 -0.31 44
IV.MSFR.HHZ. 2021-06-03T20:41:48.59 0.6 undecidable manual P 314 45.0216 50 0.15 46
IV.ECTS.HHZ. 2021-06-03T20:41:47.60 0.6 undecidable manual S 44 20.1687 114 0.09 48
IV.GALF.HHZ. 2021-06-03T20:41:46.83 0.3 undecidable manual P 263 34.8429 50 -0.06 71
IV.MUCR.HHZ. 2021-06-03T20:41:46.59 0.1 positive manual P 347 33.2445 50 -0.04 95
IV.NOV.HHZ. 2021-06-03T20:41:46.52 0.3 undecidable manual P 27 34.3434 50 -0.28 68
IV.AIO.HHZ. 2021-06-03T20:41:46.47 0.3 undecidable manual P 44 34.1436 50 -0.3 67
IV.EPIT.HHZ. 2021-06-03T20:41:45.30 0.6 undecidable manual S 52 10.6782 130 0.6 43
IV.EMNR.HHZ. 2021-06-03T20:41:45.20 0.6 undecidable manual S 38 9.1797 134 0.88 38
IV.ESCV.HHZ. 2021-06-03T20:41:45.70 0.6 undecidable manual S 268 12.7761 125 0.44 45
IV.ECBD.HHN. 2021-06-03T20:41:45.44 0.6 undecidable manual S 74 11.4774 128 0.53 44
IV.EPZF.HHZ. 2021-06-03T20:41:45.30 0.6 undecidable manual S 312 12.0768 127 0.22 47
IV.EMFO.HHE. 2021-06-03T20:41:44.80 0.6 undecidable manual S 99 11.4774 128 -0.12 49
IV.EFIU.HHZ. 2021-06-03T20:41:44.84 0.3 undecidable manual P 79 22.2555 112 0.19 70
IV.EMSG.HHZ. 2021-06-03T20:41:44.20 0.6 undecidable manual S 353 7.6812 139 0.24 48
IV.ESPC.HHN. 2021-06-03T20:41:44.20 0.6 undecidable manual S 138 8.7801 136 -0.01 50
IV.EMCN.HHN. 2021-06-03T20:41:44.20 0.6 undecidable manual S 56 7.7811 139 0.23 48
IV.EMPL.HHZ. 2021-06-03T20:41:44.30 0.6 undecidable manual S 174 8.0808 138 0.25 48
IV.ECTS.HHZ. 2021-06-03T20:41:43.99 0.1 undecidable manual P 44 20.1687 114 -0.27 93
IV.EPDN.HHZ. 2021-06-03T20:41:43.50 0.6 undecidable manual S 72 5.1948 150 0.05 50
IV.ECPN.HHZ. 2021-06-03T20:41:43.20 0.6 undecidable manual S 111 2.4975 165 0.12 49
IV.ECZM.HHN. 2021-06-03T20:41:43.60 0.6 undecidable manual S 245 5.3946 149 0.11 49
IV.ESLN.HHZ. 2021-06-03T20:41:43.50 0.6 undecidable manual S 169 6.5934 144 -0.21 48
IV.ECNE.HHN. 2021-06-03T20:41:43.30 0.6 undecidable manual S 67 3.8961 156 0.04 50
IV.EVRN.HHZ. 2021-06-03T20:41:43.28 0.3 undecidable manual P 114 16.872 118 -0.39 68
IV.ESML.HHZ. 2021-06-03T20:41:43.67 0.3 undecidable manual P 206 16.4724 119 0.08 73
IV.ESAL.HHZ. 2021-06-03T20:41:43.44 0.1 undecidable manual P 89 15.2736 121 0.05 98
IV.ESVO.HHE. 2021-06-03T20:41:43.20 0.6 undecidable manual S 333 2.6973 164 0.1 49
IV.ENIC.HHZ. 2021-06-03T20:41:43.19 0.3 undecidable manual P 158 14.3745 122 -0.05 73
IV.EMFS.HHE. 2021-06-03T20:41:43.40 0.6 undecidable manual S 137 4.8951 152 0.01 50
IV.EMFO.HHE. 2021-06-03T20:41:42.27 0.3 undecidable manual P 99 11.4774 128 -0.5 67
IV.EMPL.HHZ. 2021-06-03T20:41:42.20 0.1 undecidable manual P 174 8.0808 138 -0.06 99
IV.ESLN.HHZ. 2021-06-03T20:41:42.06 0.1 undecidable manual P 169 6.5934 144 -0.01 100
IV.EPIT.HHZ. 2021-06-03T20:41:42.79 0.1 negative manual P 52 10.6782 130 0.14 97
IV.ECBD.HHN. 2021-06-03T20:41:42.63 0.1 undecidable manual P 74 11.4774 128 -0.13 97
IV.ECHR.HHE. 2021-06-03T20:41:42.43 0.1 undecidable manual P 210 8.3805 137 0.13 97
IV.EMSG.HHZ. 2021-06-03T20:41:42.18 0.1 positive manual P 353 7.6812 139 -0.04 99
IV.EMCN.HHN. 2021-06-03T20:41:42.06 0.1 undecidable manual P 56 7.7811 139 -0.16 97
IV.ESCV.HHZ. 2021-06-03T20:41:42.64 0.1 undecidable manual P 268 12.7761 125 -0.33 93
IV.EMNR.HHZ. 2021-06-03T20:41:42.60 0.1 undecidable manual P 38 9.1797 134 0.18 96
IV.ESPC.HHN. 2021-06-03T20:41:42.06 0.1 undecidable manual P 138 8.7801 136 -0.3 94
IV.EPZF.HHZ. 2021-06-03T20:41:42.62 0.1 negative manual P 312 12.0768 127 -0.25 94
IV.ECZM.HHN. 2021-06-03T20:41:41.81 0.1 undecidable manual P 245 5.3946 149 -0.14 98
IV.ECPN.HHZ. 2021-06-03T20:41:41.75 0.3 undecidable manual P 111 2.4975 165 0.04 75
IV.EPDN.HHZ. 2021-06-03T20:41:41.71 0.1 undecidable manual P 72 5.1948 150 -0.21 96
IV.ESVO.HHE. 2021-06-03T20:41:41.64 0.1 undecidable manual P 333 2.6973 164 -0.08 99
IV.EMFS.HHE. 2021-06-03T20:41:41.81 0.1 undecidable manual P 137 4.8951 152 -0.08 99
IV.ECNE.HHN. 2021-06-03T20:41:41.70 0.3 undecidable manual P 67 3.8961 156 -0.11 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMPL.HHE. ML:2.9 0.012649999999999998 0.22 AML other m 2021-06-03T20:41:44.71
IV.EMSG.HHN. ML:2.6 0.006934999999999999 0.52 AML other m 2021-06-03T20:41:44.57
IV.EPIT.HHE. ML:2.6 0.00571 1.74 AML other m 2021-06-03T20:41:45.06
IV.EPIT.HHN. ML:3.0 0.012215 1 AML other m 2021-06-03T20:41:46.03
IV.EPZF.HHE. ML:2.3 0.0022800000000000003 0.48 AML other m 2021-06-03T20:41:46.54
IV.EMPL.HHN. ML:2.9 0.01205 0.24 AML other m 2021-06-03T20:41:46.54
IV.EPZF.HHN. ML:2.4 0.002835 0.26 AML other m 2021-06-03T20:41:46.94
IV.EMSG.HHE. ML:2.5 0.004939999999999999 0.22 AML other m 2021-06-03T20:41:47.18
IV.ENIC.HNN. ML:2.3 0.002285 0.58 AML other m 2021-06-03T20:41:47.88
IV.ESCV.HHN. ML:2.5 0.003335 0.2 AML other m 2021-06-03T20:41:48.32
IV.ECTS.HHN. ML:1.9 0.0006865 0.3 AML other m 2021-06-03T20:41:48.62
IV.ENIC.HHE. ML:2.3 0.0022949999999999997 0.18 AML other m 2021-06-03T20:41:48.75
IV.ENIC.HNE. ML:2.4 0.00254 0.18 AML other m 2021-06-03T20:41:48.76
IV.ECTS.HHE. ML:2.1 0.000988 0.32 AML other m 2021-06-03T20:41:48.62
IV.ESCV.HHE. ML:2.5 0.003625 0.2 AML other m 2021-06-03T20:41:49.70
IV.ENIC.HHN. ML:2.3 0.0018849999999999997 0.62 AML other m 2021-06-03T20:41:50.59
IV.EFIU.HHN. ML:2.0 0.0007045 1.18 AML other m 2021-06-03T20:41:51.72
IV.EFIU.HHE. ML:1.9 0.0005254999999999999 0.56 AML other m 2021-06-03T20:41:51.32
IV.MUCR.HHE. ML:2.0 0.0004005 0.58 AML other m 2021-06-03T20:41:52.61
IV.EVRN.HHN. ML:2.0 0.0007975 1.04 AML other m 2021-06-03T20:41:52.96
IV.EVRN.HHE. ML:1.9 0.0007595000000000001 0.74 AML other m 2021-06-03T20:41:53.26
IV.NOV.HHN. ML:2.2 0.0006559999999999999 1.22 AML other m 2021-06-03T20:41:53.90
IV.MUCR.HHN. ML:1.8 0.00029549999999999997 1.6 AML other m 2021-06-03T20:41:53.18
IV.AIO.HHN. ML:1.8 0.00025550000000000003 0.4 AML other m 2021-06-03T20:41:54.15
IV.AIO.HHE. ML:1.8 0.00027400000000000005 1.12 AML other m 2021-06-03T20:41:54.12
IV.MCPD.HHE. ML:1.8 0.00019350000000000001 0.62 AML other m 2021-06-03T20:41:55.53
IV.MSFR.HHE. ML:1.4 0.00007395000000000001 1.08 AML other m 2021-06-03T20:41:55.07
IV.MSFR.HHN. ML:1.5 0.00008795 1.48 AML other m 2021-06-03T20:41:58.75
IV.MCPD.HHN. ML:1.6 0.00010899999999999999 1.56 AML other m 2021-06-03T20:41:58.93
IV.GALF.HHE. ML:2.2 0.0006205000000000001 0.76 AML other m 2021-06-03T20:41:59.87
IV.GALF.HHN. ML:2.2 0.000638 0.76 AML other m 2021-06-03T20:41:59.41
IV.HLNI.HHN. ML:1.4 0.0000825 0.5 AML other m 2021-06-03T20:41:59.80
IV.HLNI.HHE. ML:1.4 0.000072 0.76 AML other m 2021-06-03T20:42:00.37
IV.MPNC.HHE. ML:2.2 0.00035999999999999997 0.56 AML other m 2021-06-03T20:42:01.54
IV.NOV.HHE. ML:2.2 0.000693 1.22 AML other m 2021-06-03T20:42:01.78
IV.HAGA.HHE. ML:1.4 0.00006225 1.4 AML other m 2021-06-03T20:42:01.88
IV.MPNC.HHN. ML:2.2 0.000391 1.5 AML other m 2021-06-03T20:42:02.18
IV.MILZ.HHE. ML:2.3 0.000391 1.08 AML other m 2021-06-03T20:42:02.00
IV.SSY.HHE. ML:2.2 0.000261 0.36 AML other m 2021-06-03T20:42:02.84
IV.SSY.HHN. ML:2.6 0.0007005000000000001 0.16 AML other m 2021-06-03T20:42:05.35
IV.HVZN.HHN. ML:1.9 0.000141 1.2 AML other m 2021-06-03T20:42:06.96
IV.HAGA.HHN. ML:1.4 0.00005755 0.42 AML other m 2021-06-03T20:42:06.59
IV.MILZ.HHN. ML:2.1 0.00023649999999999998 1.02 AML other m 2021-06-03T20:42:07.23
IV.HMDC.HHE. ML:2.0 0.00011829999999999999 1.34 AML other m 2021-06-03T20:42:09.17
IV.HMDC.HHN. ML:2.0 0.0001215 0.7 AML other m 2021-06-03T20:42:10.45
IV.HAVL.HHE. ML:2.1 0.00015050000000000003 0.88 AML other m 2021-06-03T20:42:10.24
IV.HVZN.HHE. ML:2.0 0.000168 0.56 AML other m 2021-06-03T20:42:13.91
IV.HAVL.HHN. ML:2.0 0.0001288 1.3 AML other m 2021-06-03T20:42:14.85
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