Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 20-06-2021 and time 14:51:41 (Italy) in region Mascalucia (CT)

A magnitude ML 2.0 earthquake occured in region: Mascalucia (CT), on

  • 20-06-2021 12:51:41 (UTC)
  • 20-06-2021 14:51:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.5740, 15.0500 at 7 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
Mascalucia CT 0 31958 31958
Gravina di Catania CT 2 25838 57796
Tremestieri Etneo CT 2 20589 78385
San Pietro Clarenza CT 2 7743 86128
Sant'Agata li Battiati CT 3 9479 95607
Camporotondo Etneo CT 4 5023 100630
San Giovanni la Punta CT 4 23060 123690
Pedara CT 5 14102 137792
Nicolosi CT 5 7463 145255
San Gregorio di Catania CT 5 11966 157221
Trecastagni CT 6 10910 168131
Viagrande CT 6 8563 176694
Aci Bonaccorsi CT 6 3524 180218
Valverde CT 7 7840 188058
Belpasso CT 7 28108 216166
Misterbianco CT 7 49410 265576
Aci Sant'Antonio CT 8 17984 283560
Catania CT 9 314555 598115
Aci Castello CT 9 18723 616838
Aci Catena CT 9 29851 646689
Motta Sant'Anastasia CT 10 12116 658805
Acireale CT 11 52622 711427
Ragalna CT 12 3924 715351
Paternò CT 13 48228 763579
Zafferana Etnea CT 14 9517 773096
Santa Venerina CT 15 8592 781688
Santa Maria di Licodia CT 15 7641 789329
Biancavilla CT 18 24007 813336
Milo CT 18 1087 814423

Municipalities with at least 50000 inhabitants

An earthquake occurred to
9 Km NW of Catania (314555 inhabitants)
11 Km W of Acireale (52622 inhabitants)
61 Km NW of Siracusa (122291 inhabitants)
77 Km NE of Ragusa (73313 inhabitants)
79 Km SW of Reggio di Calabria (183035 inhabitants)
82 Km SW of Messina (238439 inhabitants)
83 Km NE of Vittoria (63339 inhabitants)
83 Km N of Modica (54633 inhabitants)
88 Km E of Caltanissetta (63360 inhabitants)
90 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 2.0 2021-06-20
12:51:41		 37.574 15.0503 7 2021-12-29
11:12:25		 Bollettino Sismico Italiano INGV 95104561
Reviewed
Rev200 		ML 1.7 2021-06-20
12:51:41		 37.621 15.036 7 2021-09-16
15:06:09		 Sala Operativa INGV_OE (Catania) 91600541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-20 12:51:41 ± 0.06
Latitude 37.5740 ± 0.0027
Longitude 15.0503 ± 0.0068
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95104561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 631
Semi-minor axis of confidence ellipse (meter) 199
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 279
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 116
Number of associated phases, regardless of their use for origin computation 55
Number of defining phases 54
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.95508
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 39
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 91600541
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-06-20 13:07:45

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 95104561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-06 09:55:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HMDC.HHZ. 2021-06-20T12:52:04.31 0.6 undecidable manual S 199 72.1722 50 0.55 41
IV.MPNC.HHZ. 2021-06-20T12:52:03.28 0.3 undecidable manual S 23 68.7756 50 0.42 65
IV.HAVL.HHZ. 2021-06-20T12:52:03.15 0.3 undecidable manual S 175 68.4759 50 0.38 65
IV.IACL.HHZ. 2021-06-20T12:52:01.57 3.0 negative manual P -0.88 0
MN.CEL.HHZ. 2021-06-20T12:52:00.30 0.3 undecidable manual P 44 106.0161 50 0.87 51
IV.HVZN.HHZ. 2021-06-20T12:51:59.17 0.6 undecidable manual S 214 52.9026 50 0.56 43
IV.HSRS.HNN. 2021-06-20T12:51:59.59 0.6 undecidable manual S 164 55.5 50 0.29 46
IV.NOV.HHZ. 2021-06-20T12:51:58.16 0.6 undecidable manual S 9 50.9157 50 0.08 48
IV.AIO.HHZ. 2021-06-20T12:51:57.78 0.3 undecidable manual S 20 46.9197 50 0.77 59
IV.MSRU.HHZ. 2021-06-20T12:51:56.75 0.1 undecidable manual P 27 86.3469 50 0.35 85
IV.MILZ.HHZ. 2021-06-20T12:51:54.84 0.6 undecidable manual P 12 78.9654 50 -0.41 42
IV.RAFF.HHZ. 2021-06-20T12:51:54.12 0.6 undecidable manual P 237 72.0723 50 -0.07 46
IV.MPNC.HHZ. 2021-06-20T12:51:53.50 0.3 undecidable manual P 23 68.7756 50 -0.19 68
IV.HAVL.HHZ. 2021-06-20T12:51:53.20 0.1 undecidable manual P 175 68.4759 50 -0.43 86
IV.HCRL.HHZ. 2021-06-20T12:51:53.22 0.3 undecidable manual S 183 32.3454 102 0.58 66
IV.MSFR.HHZ. 2021-06-20T12:51:53.19 0.1 undecidable manual P 322 64.9905 50 0.1 93
IV.MCPD.HHZ. 2021-06-20T12:51:53.10 0.1 undecidable manual P 335 66.6777 50 -0.26 90
IV.HAGA.HHZ. 2021-06-20T12:51:53.41 0.3 undecidable manual S 164 33.3444 102 0.42 69
IV.HMDC.HHZ. 2021-06-20T12:51:53.95 0.3 undecidable manual P 199 72.1722 50 -0.26 67
IV.EPIT.HHZ. 2021-06-20T12:51:51.39 0.3 undecidable manual S 1 26.3514 105 0.77 62
IV.HSRS.HNN. 2021-06-20T12:51:51.14 0.3 undecidable manual P 164 55.5 50 -0.49 65
IV.MUCR.HHZ. 2021-06-20T12:51:51.15 0.1 undecidable manual P 343 54.3012 50 -0.3 91
IV.HLNI.HHE. 2021-06-20T12:51:51.72 0.3 undecidable manual S 212 29.5482 104 0.02 76
IV.NOV.HHZ. 2021-06-20T12:51:50.53 0.1 negative manual P 9 50.9157 50 -0.4 90
IV.HVZN.HHZ. 2021-06-20T12:51:50.79 0.1 undecidable manual P 214 52.9026 50 -0.45 88
IV.GALF.HHZ. 2021-06-20T12:51:50.54 0.1 undecidable manual P 290 45.1215 50 0.5 89
IV.AIO.HHZ. 2021-06-20T12:51:49.83 0.3 undecidable manual P 20 46.9197 50 -0.48 66
IV.EMCN.HHN. 2021-06-20T12:51:49.75 0.3 undecidable manual S 357 24.1536 106 -0.14 74
IV.SSY.HHZ. 2021-06-20T12:51:49.94 0.1 undecidable manual P 177 46.2204 50 -0.27 93
IV.EPDN.HHZ. 2021-06-20T12:51:49.45 0.3 undecidable manual S 352 21.4674 108 0.44 70
IV.ESCV.HHZ. 2021-06-20T12:51:47.25 0.1 undecidable manual P 0.19 1.5
IV.EPZF.HHZ. 2021-06-20T12:51:47.76 0.1 undecidable manual P 329 32.5452 102 -0.06 99
IV.EFIU.HHZ. 2021-06-20T12:51:47.03 0.1 negative manual P 30 27.75 104 0.14 99
IV.ECTS.HHZ. 2021-06-20T12:51:47.69 0.1 undecidable manual P 10 34.743 102 -0.57 88
IV.HCRL.HHZ. 2021-06-20T12:51:47.53 0.1 negative manual P 183 32.3454 102 -0.25 96
IV.EPOZ.HHZ. 2021-06-20T12:51:47.13 0.3 undecidable manual S 48 16.2726 114 -0.19 75
IV.HAGA.HHZ. 2021-06-20T12:51:47.68 0.3 undecidable manual P 164 33.3444 102 -0.31 71
IV.HLNI.HHE. 2021-06-20T12:51:46.93 0.1 undecidable manual P 212 29.5482 104 -0.31 95
IV.EMNR.HHZ. 2021-06-20T12:51:46.35 0.1 undecidable manual P 355 27.0507 105 -0.4 93
IV.EPIT.HHZ. 2021-06-20T12:51:46.42 0.1 negative manual P 1 26.3514 105 -0.2 98
IV.EMSG.HHZ. 2021-06-20T12:51:46.71 0.1 negative manual P 342 28.749 104 -0.38 94
IV.EMCN.HHN. 2021-06-20T12:51:45.73 0.3 undecidable manual P 357 24.1536 106 -0.47 69
IV.ECHR.HHE. 2021-06-20T12:51:45.17 0.1 negative manual P 316 17.3715 112 0.26 98
IV.EPOZ.HHZ. 2021-06-20T12:51:45.68 0.1 undecidable manual P 48 16.2726 114 0.96 77
IV.EPDN.HHZ. 2021-06-20T12:51:45.43 0.3 undecidable manual P 352 21.4674 108 -0.26 73
IV.ECZM.HHN. 2021-06-20T12:51:45.96 0.1 negative manual P 324 21.6672 108 0.23 98
IV.ECBD.HHN. 2021-06-20T12:51:45.67 0.1 undecidable manual P 8 23.0547 107 -0.33 96
IV.ECPN.HHZ. 2021-06-20T12:51:45.25 0.3 undecidable manual P 343 19.6692 110 -0.09 76
IV.EVRN.HHZ. 2021-06-20T12:51:44.63 0.1 negative manual P 30 14.7741 116 0.18 100
IV.EMPL.HHZ. 2021-06-20T12:51:44.49 0.1 negative manual P 329 13.5753 118 0.26 99
IV.EMFS.HHE. 2021-06-20T12:51:44.65 0.3 undecidable manual P 344 16.7721 113 -0.16 75
IV.ESML.HHZ. 2021-06-20T12:51:44.84 0.1 negative manual P -0.1 1.5
IV.ENIC.HNZ. 2021-06-20T12:51:44.67 0.3 undecidable manual S 338 6.8931 136 0.09 77
IV.EMFO.HHE. 2021-06-20T12:51:44.56 0.1 negative manual P 11 18.2706 111 -0.53 92
IV.ENIC.HNZ. 2021-06-20T12:51:43.49 0.1 positive manual P 338 6.8931 136 0.35 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ENIC.HHN. ML:2.9 0.01525 1.14 AML other m 2021-06-20T12:51:46.36
IV.ENIC.HNN. ML:2.9 0.0148 0.36 AML other m 2021-06-20T12:51:46.22
IV.ENIC.HNE. ML:2.8 0.0116 1.4 AML other m 2021-06-20T12:51:47.07
IV.EMPL.HHN. ML:2.7 0.005695 1.14 AML other m 2021-06-20T12:51:47.40
IV.EVRN.HHE. ML:2.4 0.003025 0.94 AML other m 2021-06-20T12:51:48.52
IV.EVRN.HNE. ML:2.4 0.002785 0.2 AML other m 2021-06-20T12:51:48.32
IV.ESML.HHN. ML:2.2 0.00159 0.32 AML other m 2021-06-20T12:51:48.58
IV.ESML.HNN. ML:2.2 0.0015270000000000001 0.3 AML other m 2021-06-20T12:51:48.59
IV.EVRN.HHN. ML:2.4 0.00294 0.68 AML other m 2021-06-20T12:51:48.61
IV.EVRN.HNN. ML:2.5 0.0034699999999999996 1.02 AML other m 2021-06-20T12:51:49.09
IV.ENIC.HHE. ML:2.7 0.009550000000000001 0.8 AML other m 2021-06-20T12:51:49.47
IV.ESML.HHE. ML:1.9 0.0008855 0.48 AML other m 2021-06-20T12:51:49.41
IV.EPOZ.HHE. ML:2.2 0.0015 0.54 AML other m 2021-06-20T12:51:50.11
IV.EPOZ.HHN. ML:2.2 0.001645 0.64 AML other m 2021-06-20T12:51:50.36
IV.ESML.HNE. ML:1.9 0.0007714999999999999 0.7 AML other m 2021-06-20T12:51:51.42
IV.EPIT.HHN. ML:2.2 0.0009345 0.66 AML other m 2021-06-20T12:51:51.44
IV.EMPL.HHE. ML:2.5 0.00406 0.3 AML other m 2021-06-20T12:51:52.65
IV.HCRL.HHN. ML:2.0 0.000499 0.28 AML other m 2021-06-20T12:51:53.52
IV.HAGA.HHN. ML:1.8 0.000251 0.92 AML other m 2021-06-20T12:51:53.55
IV.EPIT.HHE. ML:2.0 0.0006075 0.36 AML other m 2021-06-20T12:51:54.48
IV.HCRL.HHE. ML:1.8 0.000304 0.68 AML other m 2021-06-20T12:51:54.60
IV.EFIU.HHN. ML:1.9 0.0004445 0.9 AML other m 2021-06-20T12:51:54.40
IV.EMSG.HHN. ML:1.8 0.000359 0.6 AML other m 2021-06-20T12:51:56.63
IV.HAGA.HHE. ML:1.6 0.00016249999999999997 0.44 AML other m 2021-06-20T12:51:56.77
IV.ESCV.HHE. ML:2.0 0.000512 0.22 AML other m 2021-06-20T12:51:56.93
IV.EPZF.HHN. ML:1.9 0.0003925 0.84 AML other m 2021-06-20T12:51:57.75
IV.EFIU.HHE. ML:1.9 0.00046750000000000003 0.56 AML other m 2021-06-20T12:51:57.37
IV.EPZF.HHE. ML:1.8 0.0002685 1.64 AML other m 2021-06-20T12:51:58.82
IV.AIO.HHN. ML:1.5 0.000097 0.74 AML other m 2021-06-20T12:51:59.20
IV.SSY.HHN. ML:2.7 0.0015350000000000001 0.24 AML other m 2021-06-20T12:51:59.83
IV.AIO.HHE. ML:1.4 0.000076 0.2 AML other m 2021-06-20T12:52:00.51
IV.ESCV.HHN. ML:2.0 0.0005185 0.72 AML other m 2021-06-20T12:52:00.57
IV.SSY.HHE. ML:2.2 0.0005405 1.04 AML other m 2021-06-20T12:52:01.99
IV.HVZN.HHE. ML:2.1 0.00029800000000000003 0.3 AML other m 2021-06-20T12:52:01.91
IV.MUCR.HHN. ML:1.4 0.00005385 0.54 AML other m 2021-06-20T12:52:02.35
IV.GALF.HHN. ML:2.0 0.000288 0.52 AML other m 2021-06-20T12:52:02.37
IV.IACL.HHN. ML:2.6 0.0002855 0.14 AML other m 2021-06-20T12:52:02.82
IV.IACL.HHE. ML:2.2 0.0001145 1.82 AML other m 2021-06-20T12:52:03.94
IV.EMSG.HHE. ML:1.9 0.0004235 1.44 AML other m 2021-06-20T12:52:03.19
IV.GALF.HHE. ML:2.1 0.000354 0.5 AML other m 2021-06-20T12:52:03.46
IV.HVZN.HHN. ML:2.0 0.000235 0.36 AML other m 2021-06-20T12:52:03.69
IV.MPNC.HHN. ML:2.0 0.0001655 1.68 AML other m 2021-06-20T12:52:03.88
IV.MSFR.HHE. ML:1.1 0.000027099999999999998 1.08 AML other m 2021-06-20T12:52:03.91
IV.MSFR.HHN. ML:1.3 0.000038849999999999996 0.7 AML other m 2021-06-20T12:52:04.28
IV.MCPD.HHN. ML:1.4 0.0000516 0.42 AML other m 2021-06-20T12:52:05.80
IV.MCPD.HHE. ML:1.4 0.000038400000000000005 1.54 AML other m 2021-06-20T12:52:05.02
IV.HMDC.HHE. ML:2.0 0.00016450000000000001 0.26 AML other m 2021-06-20T12:52:06.01
IV.HMDC.HHN. ML:2.2 0.00023 0.52 AML other m 2021-06-20T12:52:06.44
IV.MPNC.HHE. ML:1.7 0.00008135000000000001 1.12 AML other m 2021-06-20T12:52:06.19
IV.HAVL.HHE. ML:2.2 0.000249 0.18 AML other m 2021-06-20T12:52:07.99
IV.HAVL.HHN. ML:2.2 0.000295 0.24 AML other m 2021-06-20T12:52:08.48
IV.MILZ.HHN. ML:1.9 0.00010339999999999999 0.38 AML other m 2021-06-20T12:52:09.54
IV.MUCR.HHE. ML:1.3 0.0000487 0.4 AML other m 2021-06-20T12:52:12.00
IV.MILZ.HHE. ML:2.2 0.0002375 1.64 AML other m 2021-06-20T12:52:12.17
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