Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 08-05-2021 and time 20:07:59 (Italy) in region 3 km NW Milo (CT)

A magnitude ML 1.9 earthquake occured in region: 3 km NW Milo (CT), on

  • 08-05-2021 18:07:59 (UTC)
  • 08-05-2021 20:07:59 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7500, 15.1040 at 10 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
Milo CT 3 1087 1087
Sant'Alfio CT 4 1582 2669
Zafferana Etnea CT 6 9517 12186
Giarre CT 8 27659 39845
Santa Venerina CT 8 8592 48437
Mascali CT 8 14282 62719
Riposto CT 9 14838 77557
Piedimonte Etneo CT 9 3963 81520
Fiumefreddo di Sicilia CT 10 9623 91143
Linguaglossa CT 11 5403 96546
Calatabiano CT 14 5308 101854
Castiglione di Sicilia CT 15 3215 105069
Trecastagni CT 15 10910 115979
Pedara CT 15 14102 130081
Viagrande CT 15 8563 138644
Aci Sant'Antonio CT 16 17984 156628
Gaggi ME 16 3184 159812
Acireale CT 16 52622 212434
Nicolosi CT 17 7463 219897
Aci Catena CT 17 29851 249748
Aci Bonaccorsi CT 17 3524 253272
Francavilla di Sicilia ME 17 3945 257217
Moio Alcantara ME 17 717 257934
Motta Camastra ME 17 845 258779
Giardini-Naxos ME 18 9415 268194
Valverde CT 19 7840 276034
Graniti ME 19 1492 277526
San Giovanni la Punta CT 19 23060 300586
Malvagna ME 19 733 301319
Taormina ME 19 10960 312279
Tremestieri Etneo CT 20 20589 332868
Castelmola ME 20 1088 333956
Ragalna CT 20 3924 337880
Randazzo CT 20 10900 348780

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km NW of Acireale (52622 inhabitants)
27 Km N of Catania (314555 inhabitants)
62 Km SW of Reggio di Calabria (183035 inhabitants)
63 Km SW of Messina (238439 inhabitants)
79 Km N of Siracusa (122291 inhabitants)
96 Km E of Caltanissetta (63360 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 1.9 2021-05-08
18:07:59		 37.7505 15.1037 10 2021-12-29
11:12:35		 Bollettino Sismico Italiano INGV 96324431
Reviewed
Rev200 		ML 1.8 2021-05-08
18:07:58		 37.745 15.08 0 2021-10-07
16:22:31		 Sala Operativa INGV-OE (Catania) 89923951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-05-08 18:07:59 ± 0.09
Latitude 37.7505 ± 0.0045
Longitude 15.1037 ± 0.0068
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96324431

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 619
Semi-minor axis of confidence ellipse (meter) 460
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 112
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 34
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.01799
Epicentral distance of station farthest from the epicenter (degree) 0.79050
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 89923951
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2021-05-08 18:50:17

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 38
Type of magnitude ML
Reference to an origin 96324431
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-07 16:22:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHZ. 2021-05-08T18:08:15.47 0.6 undecidable manual S 26 49.0176 50 0.21 45
IV.HAVL.HHZ. 2021-05-08T18:08:14.74 0.3 undecidable manual P 179 87.7455 50 0.21 62
IV.AIO.HHZ. 2021-05-08T18:08:09.45 0.3 undecidable manual S 25 26.9508 110 0.09 71
IV.MPNC.HHZ. 2021-05-08T18:08:08.65 0.3 undecidable manual P 26 49.0176 50 0.09 69
IV.GALF.HHZ. 2021-05-08T18:08:08.52 0.3 undecidable manual P 265 47.3193 50 0.22 67
IV.HLNI.HHZ. 2021-05-08T18:08:08.32 0.3 undecidable manual P 205 49.0176 50 -0.24 67
IV.MUCR.HHZ. 2021-05-08T18:08:07.00 0.3 undecidable manual P 328 38.1285 50 0.11 70
IV.ECTS.HHZ. 2021-05-08T18:08:05.38 0.3 undecidable manual S 6 14.6742 123 -0.13 72
IV.AIO.HHZ. 2021-05-08T18:08:05.12 0.3 undecidable manual P 25 26.9508 110 -0.03 72
IV.ESML.HHZ. 2021-05-08T18:08:05.12 0.6 undecidable manual P 233 24.5532 112 0.42 45
IV.EFIU.HHZ. 2021-05-08T18:08:05.03 0.6 undecidable manual S 65 10.2786 133 0.71 41
IV.EMNR.HHZ. 2021-05-08T18:08:04.88 0.6 undecidable manual S 317 9.9789 134 0.63 43
IV.EPZF.HHZ. 2021-05-08T18:08:04.80 0.3 undecidable manual P 291 23.0547 113 0.37 68
IV.EVRN.HNZ. 2021-05-08T18:08:04.51 0.3 undecidable manual S 158 7.3815 143 0.88 58
IV.ESPC.HHN. 2021-05-08T18:08:04.14 0.6 undecidable manual S 226 9.2796 136 0.07 49
IV.EPIT.HHZ. 2021-05-08T18:08:04.16 0.6 undecidable manual S 329 7.881 141 0.41 46
IV.EMCN.HHN. 2021-05-08T18:08:04.06 0.6 undecidable manual S 306 7.5813 142 0.37 46
IV.EMSG.HHZ. 2021-05-08T18:08:03.36 0.3 undecidable manual P 300 15.5733 122 0.27 70
IV.ESCV.HHZ. 2021-05-08T18:08:03.96 0.3 undecidable manual P 269 25.2525 111 -0.88 56
IV.EPOZ.HHZ. 2021-05-08T18:08:02.73 0.3 undecidable manual P 139 11.4774 130 0.31 70
IV.ESAL.HHZ. 2021-05-08T18:08:02.74 0.6 undecidable manual S 79 2.7972 164 -0.17 49
IV.ECTS.HHZ. 2021-05-08T18:08:02.42 0.3 undecidable manual P 6 14.6742 123 -0.51 67
IV.ECBD.HHN. 2021-05-08T18:08:02.93 0.6 undecidable manual S 336 3.5964 160 -0.08 50
IV.EMFO.HHE. 2021-05-08T18:08:02.72 0.6 undecidable manual S 216 1.998 168 -0.13 49
IV.EMNR.HHZ. 2021-05-08T18:08:02.35 0.3 undecidable manual P 317 9.9789 134 0.15 73
IV.EMPL.HHZ. 2021-05-08T18:08:02.47 0.3 undecidable manual P 236 14.1747 124 -0.38 69
IV.EVRN.HNZ. 2021-05-08T18:08:01.80 0.3 undecidable manual P 158 7.3815 143 -0.05 75
IV.ESPC.HHN. 2021-05-08T18:08:01.97 0.1 undecidable manual P 226 9.2796 136 -0.13 97
IV.EFIU.HHZ. 2021-05-08T18:08:01.90 0.1 undecidable manual P 65 10.2786 133 -0.35 93
IV.EPIT.HHZ. 2021-05-08T18:08:01.84 0.3 undecidable manual P 329 7.881 141 -0.08 74
IV.EMCN.HHN. 2021-05-08T18:08:01.90 0.1 undecidable manual P 306 7.5813 142 0.02 100
IV.ESAL.HHZ. 2021-05-08T18:08:01.03 0.1 undecidable manual P 79 2.7972 164 -0.4 93
IV.ECBD.HHN. 2021-05-08T18:08:01.17 0.1 undecidable manual P 336 3.5964 160 -0.31 95
IV.EMFO.HHE. 2021-05-08T18:08:01.17 0.1 undecidable manual P 216 1.998 168 -0.22 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESAL.HHN. ML:2.3 0.003753682 0.1536 AML other m 2021-05-08T18:08:02.80
IV.ECTS.HHN. ML:1.6 0.000426241 0.1792 AML other m 2021-05-08T18:08:02.73
IV.ESAL.HHE. ML:2.5 0.005502375499999999 0.1408 AML other m 2021-05-08T18:08:03.18
IV.EPIT.HHN. ML:2.7 0.0082306015 0.2048 AML other m 2021-05-08T18:08:04.79
IV.EPIT.HHE. ML:2.8 0.0085869675 0.3584 AML other m 2021-05-08T18:08:04.95
IV.EFIU.HHN. ML:1.9 0.001095 0.38 AML other m 2021-05-08T18:08:05.51
IV.ECTS.HHE. ML:1.8 0.00055824885 0.2432 AML other m 2021-05-08T18:08:05.79
IV.EFIU.HHE. ML:1.9 0.0010215 0.74 AML other m 2021-05-08T18:08:05.49
IV.EVRN.HNE. ML:2.3 0.0030095965 1.808 AML other m 2021-05-08T18:08:06.02
IV.EMPL.HHE. ML:2.0 0.0011297101 0.2304 AML other m 2021-05-08T18:08:06.15
IV.EVRN.HHE. ML:2.5 0.00477 0.28 AML other m 2021-05-08T18:08:07.39
IV.EVRN.HHN. ML:2.4 0.0037631010000000005 0.2176 AML other m 2021-05-08T18:08:07.37
IV.EVRN.HNN. ML:2.5 0.005314999999999999 0.24 AML other m 2021-05-08T18:08:07.38
IV.EMSG.HHE. ML:1.9 0.000744995 0.4864 AML other m 2021-05-08T18:08:08.45
IV.EMSG.HHN. ML:2.0 0.00107026395 0.3072 AML other m 2021-05-08T18:08:08.56
IV.HLNI.HHE. ML:1.0 0.000028758074999999997 0.5024 AML other m 2021-05-08T18:08:08.73
IV.EMPL.HHN. ML:2.3 0.002015 0.18 AML other m 2021-05-08T18:08:08.77
IV.EPOZ.HHE. ML:2.1 0.001415 0.3 AML other m 2021-05-08T18:08:09.15
IV.EPOZ.HHN. ML:2.0 0.001192479 0.1536 AML other m 2021-05-08T18:08:09.88
IV.AIO.HHE. ML:1.8 0.00031699999999999995 0.22 AML other m 2021-05-08T18:08:11.16
IV.AIO.HHN. ML:1.9 0.000422 0.36 AML other m 2021-05-08T18:08:11.88
IV.ESML.HNN. ML:1.4 0.00016612916499999999 0.2176 AML other m 2021-05-08T18:08:12.51
IV.ESML.HHN. ML:1.5 0.0001867568 0.2048 AML other m 2021-05-08T18:08:12.40
IV.EPZF.HHE. ML:1.9 0.000524 0.8 AML other m 2021-05-08T18:08:13.57
IV.ESCV.HHN. ML:1.9 0.0004810468 0.2304 AML other m 2021-05-08T18:08:14.73
IV.ESCV.HHE. ML:1.8 0.000389 0.28 AML other m 2021-05-08T18:08:14.87
IV.ESML.HHE. ML:1.7 0.00028916775 0.5728 AML other m 2021-05-08T18:08:16.06
IV.ESML.HNE. ML:1.5 0.00020965065 1.5776 AML other m 2021-05-08T18:08:16.06
IV.EPZF.HHN. ML:2.0 0.0006872658499999999 0.3456 AML other m 2021-05-08T18:08:16.36
IV.MPNC.HHE. ML:1.9 0.0002245 0.38 AML other m 2021-05-08T18:08:17.46
IV.MUCR.HHE. ML:1.6 0.00014000000000000001 0.68 AML other m 2021-05-08T18:08:18.60
IV.MUCR.HHN. ML:1.6 0.0001295 0.42 AML other m 2021-05-08T18:08:19.32
IV.HLNI.HHN. ML:1.0 0.0000259212885 0.256 AML other m 2021-05-08T18:08:20.15
IV.MPNC.HHN. ML:1.8 0.00015503575 0.4608 AML other m 2021-05-08T18:08:20.62
IV.GALF.HHN. ML:2.0 0.0002715 0.42 AML other m 2021-05-08T18:08:25.26
IV.GALF.HNN. ML:1.6 0.0001247457 1.216 AML other m 2021-05-08T18:08:25.89
IV.GALF.HHE. ML:2.0 0.00028000000000000003 0.4 AML other m 2021-05-08T18:08:25.54
IV.GALF.HNE. ML:1.7 0.00014810469999999997 1.4112 AML other m 2021-05-08T18:08:33.09
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