Earthquake with magnitude of ML 1.0 on date 04-08-2022 and time 18:38:57 (Italy) in region 2 km N Milo (CT)

A magnitude ML 1.0 earthquake occured in region: 2 km N Milo (CT), on

  • 04-08-2022 16:38:57 (UTC)
  • 04-08-2022 18:38:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7460, 15.1100 at 4 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.

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 3 1582 2669
Zafferana Etnea CT 6 9517 12186
Giarre CT 7 27659 39845
Santa Venerina CT 7 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
Trecastagni CT 15 10910 112764
Pedara CT 15 14102 126866
Viagrande CT 15 8563 135429
Castiglione di Sicilia CT 15 3215 138644
Aci Sant'Antonio CT 16 17984 156628
Acireale CT 16 52622 209250
Aci Catena CT 16 29851 239101
Gaggi ME 16 3184 242285
Nicolosi CT 16 7463 249748
Aci Bonaccorsi CT 16 3524 253272
Francavilla di Sicilia ME 18 3945 257217
Motta Camastra ME 18 845 258062
Moio Alcantara ME 18 717 258779
Giardini-Naxos ME 18 9415 268194
Valverde CT 19 7840 276034
San Giovanni la Punta CT 19 23060 299094
Tremestieri Etneo CT 19 20589 319683
Taormina ME 19 10960 330643
Graniti ME 19 1492 332135
Castelmola ME 19 1088 333223
Ragalna CT 20 3924 337147
Mascalucia CT 20 31958 369105
Malvagna ME 20 733 369838
San Gregorio di Catania CT 20 11966 381804

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)
78 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 1.0 2022-08-04
16:38:57
37.7462 15.1098 4 2023-01-31
19:03:52
Bollettino Sismico Italiano INGV 110966501
Reviewed
Rev200
ML 1.4 2022-08-04
16:38:56
37.741 15.125 4 2022-10-19
09:04:52
Sala Operativa INGV_OE (Catania) 108114131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-04 16:38:57 ± 0.23
Latitude 37.7462 ± 0.0063
Longitude 15.1098 ± 0.0091
Depth (km) 4 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 110966501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 802
Semi-minor axis of confidence ellipse (meter) 339
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 800.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 81
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.13580
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 110966501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-10-19 09:04:38

ML:1.4

Field Value
Value 1.4
Uncertainty 0.4
Num. used stations
Type of magnitude ML
Reference to an origin 108114131
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-08-04 16:46:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EFIU.HHE. 2022-08-04T16:39:02.19 1.0 undecidable manual S 61 10.0788 113 1.01 19
IV.EPMN.HHZ. 2022-08-04T16:39:01.37 0.6 undecidable manual S 36 10.1787 113 0.16 50
IV.EMNR.HHZ. 2022-08-04T16:39:01.65 0.6 undecidable manual S 317 10.7781 112 0.25 49
IV.EVRN.HHE. 2022-08-04T16:39:00.69 0.6 undecidable manual S 160 6.6933 123 0.54 46
IV.ECTS.HHZ. 2022-08-04T16:39:00.33 0.1 undecidable manual P 4 15.0738 106 -0.2 99
IV.EMNR.HHZ. 2022-08-04T16:39:00.03 0.1 undecidable manual P 317 10.7781 112 0.33 97
IV.EPOZ.HHZ. 2022-08-04T16:39:00.18 0.3 undecidable manual P 140 10.7781 112 0.47 70
IV.ECBD.HHN. 2022-08-04T16:38:59.88 0.6 undecidable manual S 332 4.2957 135 0.39 48
IV.EPIT.HHE. 2022-08-04T16:38:59.50 0.1 undecidable manual P 327 8.5803 117 0.19 100
IV.EFIU.HHE. 2022-08-04T16:38:59.64 0.3 undecidable manual P 61 10.0788 113 0.06 77
IV.EMFO.HHE. 2022-08-04T16:38:59.09 0.6 undecidable manual S 236 2.0979 154 0.05 52
IV.EPMN.HHZ. 2022-08-04T16:38:59.27 0.1 undecidable manual P 36 10.1787 113 -0.32 97
IV.ESAL.HHZ. 2022-08-04T16:38:59.23 0.6 undecidable manual S 66 2.3976 151 0.14 51
IV.EVRN.HHE. 2022-08-04T16:38:58.72 0.3 undecidable manual P 160 6.6933 123 -0.27 74
IV.ECBD.HHN. 2022-08-04T16:38:58.36 0.1 undecidable manual P 332 4.2957 135 -0.24 100
IV.ESAL.HHZ. 2022-08-04T16:38:57.91 0.1 undecidable manual P 66 2.3976 151 -0.46 95
IV.EMFO.HHE. 2022-08-04T16:38:57.92 0.1 undecidable manual P 236 2.0979 154 -0.42 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESAL.HHE. ML:0.0 0.00143 0.82 AML other m 2022-08-04T16:39:00.09
IV.ESAL.HHN. ML:0.0 0.0012504999999999999 0.52 AML other m 2022-08-04T16:38:59.27
IV.EVRN.HNE. ML:0.0 0.0005719126500000001 0.3456 AML other m 2022-08-04T16:39:05.68
IV.EVRN.HHE. ML:0.0 0.0006246088000000001 0.2176 AML other m 2022-08-04T16:39:01.98
IV.EVRN.HHN. ML:0.0 0.0008863289000000001 0.1664 AML other m 2022-08-04T16:39:03.32
IV.EVRN.HNN. ML:0.0 0.0009477962 0.1792 AML other m 2022-08-04T16:39:03.23
IV.EPMN.HHN. ML:1.0 0.00017021115 0.3328 AML other m 2022-08-04T16:39:01.50
IV.EPMN.HHE. ML:1.0 0.00016335034999999997 0.7168 AML other m 2022-08-04T16:39:01.49
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