Earthquake with magnitude of ML 2.1 on date 05-07-2022 and time 19:00:55 (Italy) in region 7 km NW Sant'Alfio (CT)

A magnitude ML 2.1 earthquake occured in region: 7 km NW Sant'Alfio (CT), on

  • 05-07-2022 17:00:55 (UTC)
  • 05-07-2022 19:00:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7780, 15.0810 at 11 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
Sant'Alfio CT 7 1582 1582
Milo CT 7 1087 2669
Linguaglossa CT 9 5403 8072
Piedimonte Etneo CT 9 3963 12035
Zafferana Etnea CT 9 9517 21552
Mascali CT 10 14282 35834
Giarre CT 11 27659 63493
Santa Venerina CT 11 8592 72085
Fiumefreddo di Sicilia CT 11 9623 81708
Riposto CT 12 14838 96546
Castiglione di Sicilia CT 12 3215 99761
Moio Alcantara ME 14 717 100478
Calatabiano CT 14 5308 105786
Francavilla di Sicilia ME 15 3945 109731
Motta Camastra ME 16 845 110576
Gaggi ME 16 3184 113760
Malvagna ME 16 733 114493
Randazzo CT 16 10900 125393
Pedara CT 18 14102 139495
Trecastagni CT 18 10910 150405
Graniti ME 18 1492 151897
Roccella Valdemone ME 18 666 152563
Viagrande CT 19 8563 161126
Santa Domenica Vittoria ME 19 980 162106
Giardini-Naxos ME 19 9415 171521
Nicolosi CT 19 7463 178984
Aci Sant'Antonio CT 19 17984 196968
Castelmola ME 20 1088 198056
Taormina ME 20 10960 209016
Maletto CT 20 3920 212936
Acireale CT 20 52622 265558
Aci Bonaccorsi CT 20 3524 269082

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km NW of Acireale (52622 inhabitants)
31 Km N of Catania (314555 inhabitants)
62 Km SW of Reggio di Calabria (183035 inhabitants)
62 Km SW of Messina (238439 inhabitants)
82 Km N of Siracusa (122291 inhabitants)
95 Km E of Caltanissetta (63360 inhabitants)
100 Km N 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 2.1 2022-07-05
17:00:55
37.7778 15.0812 11 2023-01-31
19:03:57
Bollettino Sismico Italiano INGV 112640661
Reviewed
Rev200
ML 1.6 2022-07-05
17:00:55
37.766 15.064 7 2022-12-08
22:40:49
Sala Operativa INGV_OE (Catania) 106849221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-07-05 17:00:55 ± 0.09
Latitude 37.7778 ± 0.0054
Longitude 15.0812 ± 0.0068
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 112640661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 621
Semi-minor axis of confidence ellipse (meter) 599
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
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) 47
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 39
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.35
Epicentral distance of station closest to the epicenter (degree) 0.00450
Epicentral distance of station farthest from the epicenter (degree) 0.81838
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:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 106849221
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2022-07-05 17:04:41

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 112640661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-12-08 22:40:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2022-07-05T17:01:23.37 0.3 undecidable manual S 178 90.8424 50 0.63 55
IV.SSY.HHZ. 2022-07-05T17:01:17.22 0.3 undecidable manual S 181 68.7756 50 0.37 62
IV.HAVL.HHZ. 2022-07-05T17:01:10.77 0.1 undecidable manual P 178 90.8424 50 -0.66 73
IV.SSY.HHZ. 2022-07-05T17:01:08.00 0.3 undecidable manual P 181 68.7756 50 -0.03 67
IV.HLNI.HHZ. 2022-07-05T17:01:04.74 0.3 undecidable manual P 201 51.1155 50 -0.56 61
IV.EPZF.HHZ. 2022-07-05T17:01:04.97 0.6 undecidable manual S 285 20.2686 50 1.06 35
1J.FX09.HHE. 2022-07-05T17:01:03.59 0.6 undecidable manual S 74 16.872 123 0.65 42
IV.EMSG.HHZ. 2022-07-05T17:01:02.22 0.6 undecidable manual S 292 12.4764 131 0.52 44
1J.FX08.HHZ. 2022-07-05T17:01:02.74 0.6 undecidable manual S 114 11.4774 133 1.29 31
IV.MUCR.HHZ. 2022-07-05T17:01:02.99 0.1 undecidable manual P 328 34.5432 50 0.24 91
IV.EPMN.HHN. 2022-07-05T17:01:01.25 0.6 undecidable manual S 61 9.6792 138 0.24 47
IV.EVRN.HHZ. 2022-07-05T17:01:01.87 0.6 undecidable manual S 154 10.9779 135 0.56 44
IV.ESAL.HHZ. 2022-07-05T17:01:00.41 0.6 undecidable manual S 118 5.2947 154 0.25 48
IV.EMCN.HHN. 2022-07-05T17:01:00.65 0.6 undecidable manual S 289 4.3956 158 0.62 43
IV.EPIT.HHZ. 2022-07-05T17:01:00.99 0.6 undecidable manual S 330 4.2957 158 0.98 37
IV.EPZF.HHZ. 2022-07-05T17:01:00.55 0.1 undecidable manual P 285 20.2686 50 0 98
IV.ECTS.HHZ. 2022-07-05T17:01:00.90 0.3 undecidable manual S 17 12.0768 132 -0.7 62
IV.ESPC.HHN. 2022-07-05T17:01:00.85 0.6 undecidable manual S 206 10.5783 136 -0.37 46
IV.EPDN.HHZ. 2022-07-05T17:01:00.98 0.6 undecidable manual S 257 5.7942 152 0.75 41
IV.EMFS.HHE. 2022-07-05T17:01:00.74 0.6 undecidable manual S 228 9.7791 138 -0.29 47
IV.EFIU.HHE. 2022-07-05T17:00:59.02 0.1 undecidable manual P 83 11.3775 134 -0.1 97
IV.ECBD.HHN. 2022-07-05T17:00:59.86 0.6 undecidable manual S 62 0.4995 177 0.13 49
IV.EMFO.HHE. 2022-07-05T17:00:59.76 0.6 undecidable manual S 170 4.7952 156 -0.31 47
IV.EMSG.HHZ. 2022-07-05T17:00:59.32 0.1 undecidable manual P 292 12.4764 131 0.04 99
1J.FX09.HHE. 2022-07-05T17:00:59.84 0.1 undecidable manual P 74 16.872 123 -0.16 96
IV.EPOZ.HHZ. 2022-07-05T17:00:59.86 0.1 undecidable manual P 141 15.0738 126 0.17 96
1J.FX08.HHZ. 2022-07-05T17:00:59.60 0.3 undecidable manual P 114 11.4774 133 0.47 68
IV.ESPC.HHN. 2022-07-05T17:00:58.44 0.1 undecidable manual P 206 10.5783 136 -0.56 88
IV.EVRN.HHZ. 2022-07-05T17:00:58.93 0.1 undecidable manual P 154 10.9779 135 -0.13 97
IV.EMFS.HHE. 2022-07-05T17:00:58.53 0.3 undecidable manual P 228 9.7791 138 -0.36 69
IV.EPDN.HHZ. 2022-07-05T17:00:58.51 0.3 undecidable manual P 257 5.7942 152 0.08 74
IV.ESAL.HHZ. 2022-07-05T17:00:58.32 0.1 positive manual P 118 5.2947 154 -0.07 99
IV.EMCN.HHN. 2022-07-05T17:00:58.15 0.1 undecidable manual P 289 4.3956 158 -0.17 97
IV.EMFO.HHE. 2022-07-05T17:00:58.04 0.1 undecidable manual P 170 4.7952 156 -0.3 95
IV.EPIT.HHZ. 2022-07-05T17:00:58.34 0.1 undecidable manual P 330 4.2957 158 0.04 100
IV.EPMN.HHN. 2022-07-05T17:00:58.63 0.1 undecidable manual P 61 9.6792 138 -0.25 95
IV.EMNR.HHZ. 2022-07-05T17:00:58.52 0.1 undecidable manual P 312 6.4935 149 0.02 100
IV.ECTS.HHZ. 2022-07-05T17:00:58.82 0.1 undecidable manual P 17 12.0768 132 -0.4 91
IV.ECBD.HHN. 2022-07-05T17:00:57.93 0.1 undecidable manual P 62 0.4995 177 -0.21 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ESAL.HHE. ML:2.3 0.0028799999999999997 0.78 AML other m 2022-07-05T17:01:01.03
IV.ESAL.HHN. ML:2.2 0.00237 0.78 AML other m 2022-07-05T17:01:01.46
IV.EVRN.HHE. ML:2.2 0.001665 1.82 AML other m 2022-07-05T17:01:01.04
IV.EMSG.HHN. ML:2.1 0.00141 0.38 AML other m 2022-07-05T17:01:02.51
IV.EVRN.HNN. ML:2.3 0.00234 1.86 AML other m 2022-07-05T17:01:03.02
IV.EVRN.HHN. ML:2.3 0.002275 1.86 AML other m 2022-07-05T17:01:03.02
IV.EVRN.HNE. ML:2.1 0.001585 0.72 AML other m 2022-07-05T17:01:04.92
IV.EMSG.HHE. ML:2.1 0.0014299999999999998 1.52 AML other m 2022-07-05T17:01:05.81
IV.HAVL.HHN. ML:1.7 0.000052699999999999993 0.26 AML other m 2022-07-05T17:01:24.60
IV.HAVL.HHE. ML:1.6 0.0000475 0.8 AML other m 2022-07-05T17:01:24.38
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