Earthquake with magnitude of ML 1.9 on date 15-04-2023 and time 01:41:26 (Italy) in region 5 km NW Zafferana Etnea (CT)

A magnitude ML 1.9 earthquake occured in region: 5 km NW Zafferana Etnea (CT), on

  • 14-04-2023 23:41:26 (UTC)
  • 15-04-2023 01:41:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7210, 15.0600 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
Zafferana Etnea CT 5 9517 9517
Milo CT 5 1087 10604
Santa Venerina CT 8 8592 19196
Sant'Alfio CT 8 1582 20778
Giarre CT 11 27659 48437
Pedara CT 11 14102 62539
Trecastagni CT 12 10910 73449
Nicolosi CT 12 7463 80912
Viagrande CT 13 8563 89475
Mascali CT 13 14282 103757
Riposto CT 13 14838 118595
Aci Sant'Antonio CT 14 17984 136579
Aci Bonaccorsi CT 14 3524 140103
Piedimonte Etneo CT 14 3963 144066
Ragalna CT 15 3924 147990
Aci Catena CT 15 29851 177841
Acireale CT 15 52622 230463
Fiumefreddo di Sicilia CT 15 9623 240086
Linguaglossa CT 15 5403 245489
Tremestieri Etneo CT 16 20589 266078
Belpasso CT 16 28108 294186
San Giovanni la Punta CT 16 23060 317246
Mascalucia CT 16 31958 349204
Valverde CT 17 7840 357044
San Pietro Clarenza CT 17 7743 364787
Camporotondo Etneo CT 18 5023 369810
San Gregorio di Catania CT 18 11966 381776
Gravina di Catania CT 18 25838 407614
Sant'Agata li Battiati CT 18 9479 417093
Biancavilla CT 19 24007 441100
Calatabiano CT 19 5308 446408
Santa Maria di Licodia CT 19 7641 454049
Castiglione di Sicilia CT 19 3215 457264
Aci Castello CT 20 18723 475987
Moio Alcantara ME 20 717 476704

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Acireale (52622 inhabitants)
24 Km N of Catania (314555 inhabitants)
67 Km SW of Reggio di Calabria (183035 inhabitants)
68 Km SW of Messina (238439 inhabitants)
76 Km N of Siracusa (122291 inhabitants)
91 Km E of Caltanissetta (63360 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
97 Km NE of Vittoria (63339 inhabitants)
99 Km N of Modica (54633 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 2023-04-14
23:41:26
37.7207 15.0598 11 2024-03-01
17:18:20
Bollettino Sismico Italiano INGV 124697761
Reviewed
Rev200
ML 1.3 2023-04-14
23:41:26
37.728 15.048 6 2024-01-17
16:11:30
Sala Operativa INGV_OE (Catania) 116396891
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-14 23:41:26 ± 0.07
Latitude 37.7207 ± 0.0045
Longitude 15.0598 ± 0.0068
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124697761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 654
Semi-minor axis of confidence ellipse (meter) 431
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 306
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.02878
Epicentral distance of station farthest from the epicenter (degree) 0.76262
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 124697761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-17 16:09:45

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 116396891
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-04-14 23:45:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2023-04-14T23:41:52.49 0.6 undecidable manual S 176 84.6486 90 1.05 32
IV.HLNI.HHZ. 2023-04-14T23:41:40.55 0.6 undecidable manual S 202 44.4222 90 -0.18 45
IV.HAVL.HHZ. 2023-04-14T23:41:40.42 0.3 undecidable manual P 176 84.6486 90 -0.44 59
IV.SSY.HHZ. 2023-04-14T23:41:37.18 0.3 undecidable manual P 179 62.493 90 -0.26 64
IV.AGST.EHZ. 2023-04-14T23:41:35.66 0.6 undecidable manual P 164 53.6019 90 -0.41 42
IV.GALF.HHZ. 2023-04-14T23:41:35.43 0.3 undecidable manual P 269 43.3233 90 0.94 54
IV.HLNI.HHZ. 2023-04-14T23:41:34.34 0.3 undecidable manual P 202 44.4222 90 -0.33 65
IV.AIO.HHZ. 2023-04-14T23:41:32.40 0.6 undecidable manual P 29 31.6461 91 -0.3 44
IV.EPMN.HHZ. 2023-04-14T23:41:32.99 0.6 undecidable manual S 43 15.0738 95 0.1 49
IV.ENIC.HHZ. 2023-04-14T23:41:32.24 0.6 undecidable manual S 199 10.4784 119 0.54 43
IV.ESML.HHE. 2023-04-14T23:41:31.18 0.3 undecidable manual P 234 19.4694 92 0.36 69
IV.EMPL.HHE. 2023-04-14T23:41:31.25 0.6 undecidable manual S 240 9.0798 126 -0.15 49
IV.ESAL.HHZ. 2023-04-14T23:41:31.82 0.6 undecidable manual S 60 7.5813 134 0.73 41
IV.EPZF.HHE. 2023-04-14T23:41:31.10 0.3 undecidable manual P 303 21.1677 91 0.02 73
IV.ECTS.HHZ. 2023-04-14T23:41:30.20 0.3 undecidable manual P 17 18.6702 92 -0.49 64
IV.ESLN.HHE. 2023-04-14T23:41:30.97 0.6 undecidable manual S 248 8.0808 131 -0.22 49
IV.EMSG.HHZ. 2023-04-14T23:41:30.15 0.1 negative manual P 319 14.6742 97 0.06 98
IV.ESPC.HHE. 2023-04-14T23:41:30.38 0.6 undecidable manual S 222 4.1958 153 -0.17 50
IV.EPOZ.HHZ. 2023-04-14T23:41:30.08 0.1 undecidable manual P 116 12.5763 108 0.32 93
IV.EMFS.HHZ. 2023-04-14T23:41:30.63 0.6 undecidable manual S 269 5.3946 146 -0.09 50
IV.EPIT.HHZ. 2023-04-14T23:41:29.71 0.1 undecidable manual P 358 10.0788 121 0.3 94
IV.ESAL.HHZ. 2023-04-14T23:41:29.25 0.1 negative manual P 60 7.5813 134 0.14 97
IV.EPMN.HHZ. 2023-04-14T23:41:29.90 0.1 negative manual P 43 15.0738 95 -0.25 93
IV.ENIC.HHZ. 2023-04-14T23:41:29.52 0.1 undecidable manual P 199 10.4784 119 0.06 98
IV.EMCN.HHE. 2023-04-14T23:41:29.25 0.1 undecidable manual P 344 8.1807 131 0.08 98
IV.EFIU.HHZ. 2023-04-14T23:41:29.96 0.3 undecidable manual P 60 15.2736 95 -0.21 70
IV.EVRN.HHZ. 2023-04-14T23:41:29.19 0.1 positive manual P 118 7.4814 134 0.09 98
IV.EMNR.HHE. 2023-04-14T23:41:29.74 0.1 undecidable manual P 344 11.0778 116 0.19 96
IV.ESLN.HHE. 2023-04-14T23:41:29.02 0.1 undecidable manual P 248 8.0808 131 -0.14 98
IV.ECBD.HHE. 2023-04-14T23:41:29.12 0.1 undecidable manual P 20 6.993 137 0.07 99
IV.EMPL.HHE. 2023-04-14T23:41:29.13 0.3 undecidable manual P 240 9.0798 126 -0.16 73
IV.ESPC.HHE. 2023-04-14T23:41:28.60 0.1 undecidable manual P 222 4.1958 153 -0.2 98
IV.EMFS.HHZ. 2023-04-14T23:41:28.83 0.1 undecidable manual P 269 5.3946 146 -0.06 100
IV.EMFO.HHE. 2023-04-14T23:41:28.54 0.1 undecidable manual P 58 3.1968 160 -0.19 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMFS.HHN. ML:2.2 0.002505 0.1 AML other m 2023-04-14T23:41:31.09
IV.EMFS.HHE. ML:2.4 0.0034300000000000003 0.2 AML other m 2023-04-14T23:41:31.01
IV.ESAL.HHN. ML:2.0 0.0014550000000000001 0.28 AML other m 2023-04-14T23:41:32.20
IV.EVRN.HNE. ML:2.0 0.00145 0.82 AML other m 2023-04-14T23:41:32.12
IV.EPMN.HHE. ML:2.0 0.0008060000000000001 0.32 AML other m 2023-04-14T23:41:33.32
IV.EPMN.HHN. ML:2.0 0.0008085 0.5 AML other m 2023-04-14T23:41:33.34
IV.ENIC.HHN. ML:2.2 0.0018599999999999999 0.58 AML other m 2023-04-14T23:41:33.49
IV.EVRN.HHN. ML:2.1 0.001585 1.26 AML other m 2023-04-14T23:41:33.24
IV.EVRN.HNN. ML:2.1 0.0018649999999999997 1.26 AML other m 2023-04-14T23:41:33.24
IV.EVRN.HHE. ML:2.1 0.001555 0.3 AML other m 2023-04-14T23:41:34.19
IV.ENIC.HHE. ML:2.3 0.00212 0.16 AML other m 2023-04-14T23:41:34.12
IV.ECTS.HHE. ML:1.2 0.0001365 0.92 AML other m 2023-04-14T23:41:34.85
IV.EPOZ.HHE. ML:1.7 0.0005375 0.5 AML other m 2023-04-14T23:41:34.61
IV.ECTS.HHN. ML:1.2 0.000135 1.28 AML other m 2023-04-14T23:41:34.22
IV.ESAL.HHE. ML:1.9 0.0011099999999999999 1.08 AML other m 2023-04-14T23:41:35.85
IV.EPOZ.HHN. ML:1.6 0.00044050000000000003 0.36 AML other m 2023-04-14T23:41:36.53
IV.AIO.HHE. ML:1.4 0.00011125000000000001 0.74 AML other m 2023-04-14T23:41:39.38
IV.AIO.HHN. ML:1.4 0.00009925 0.6 AML other m 2023-04-14T23:41:40.06
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