Earthquake with magnitude of ML 2.1 on date 04-05-2023 and time 22:39:30 (UTC) in region 7 km W Milo (CT)

A magnitude ML 2.1 earthquake occured in region: 7 km W Milo (CT), on

  • 04-05-2023 22:39:30 (UTC)
  • 05-05-2023 00:39:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7410, 15.0450 at 3 km depth.

The earthquake was located by: Sala Operativa INGV_OE (Catania).

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 7 1087 1087
Zafferana Etnea CT 7 9517 10604
Sant'Alfio CT 9 1582 12186
Santa Venerina CT 10 8592 20778
Giarre CT 12 27659 48437
Mascali CT 13 14282 62719
Pedara CT 14 14102 76821
Piedimonte Etneo CT 14 3963 80784
Trecastagni CT 14 10910 91694
Riposto CT 14 14838 106532
Nicolosi CT 14 7463 113995
Linguaglossa CT 14 5403 119398
Viagrande CT 15 8563 127961
Ragalna CT 15 3924 131885
Fiumefreddo di Sicilia CT 16 9623 141508
Aci Sant'Antonio CT 17 17984 159492
Aci Bonaccorsi CT 17 3524 163016
Castiglione di Sicilia CT 17 3215 166231
Aci Catena CT 18 29851 196082
Belpasso CT 18 28108 224190
Randazzo CT 18 10900 235090
Moio Alcantara ME 18 717 235807
Acireale CT 18 52622 288429
Tremestieri Etneo CT 18 20589 309018
Maletto CT 19 3920 312938
Calatabiano CT 19 5308 318246
San Giovanni la Punta CT 19 23060 341306
Mascalucia CT 19 31958 373264
San Pietro Clarenza CT 19 7743 381007
Biancavilla CT 19 24007 405014
Valverde CT 19 7840 412854
Bronte CT 19 19172 432026
Santa Maria di Licodia CT 20 7641 439667
Camporotondo Etneo CT 20 5023 444690
Francavilla di Sicilia ME 20 3945 448635
Malvagna ME 20 733 449368
Gravina di Catania CT 20 25838 475206

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km NW of Acireale (52622 inhabitants)
27 Km N of Catania (314555 inhabitants)
67 Km SW of Reggio di Calabria (183035 inhabitants)
68 Km SW of Messina (238439 inhabitants)
79 Km N of Siracusa (122291 inhabitants)
91 Km E of Caltanissetta (63360 inhabitants)
95 Km N of Ragusa (73313 inhabitants)
99 Km NE of Vittoria (63339 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
Reviewed
Rev200
ML 2.1 2023-05-04
22:39:30
37.741 15.045 3 2024-02-22
11:29:20
Sala Operativa INGV_OE (Catania) 117031161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-04 22:39:30
Latitude 37.7410
Longitude 15.0450
Depth (km) 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT#SeismPicker_SO-OE
Event type earthquake
Origin ID 117031161

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 200.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 46
Number of associated phases, regardless of their use for origin computation 1
Number of defining phases 1
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree)
Epicentral distance of station farthest from the epicenter (degree)
Number of stations at which the event was observed 0
Number of stations from which data was used for origin computation 0
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 117031161
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-05-04 22:49:22
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
Waveforms Seismic signals in miniseed + resp format Download