ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of ML 1.8 on date 25-12-2018 and time 00:08:31 (UTC) in region 8 km W Milo (CT)

A magnitude ML 1.8 earthquake occured in region: 8 km W Milo (CT), on

  • 25-12-2018 00:08:31 (UTC)
  • 25-12-2018 01:08:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.74, 15.03 at 4 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 8 1087 1087
Zafferana Etnea CT 8 9517 10604
Sant'Alfio CT 10 1582 12186
Santa Venerina CT 11 8592 20778
Giarre CT 14 27659 48437
Pedara CT 14 14102 62539
Nicolosi CT 14 7463 70002
Trecastagni CT 14 10910 80912
Mascali CT 15 14282 95194
Ragalna CT 15 3924 99118
Linguaglossa CT 15 5403 104521
Piedimonte Etneo CT 15 3963 108484
Riposto CT 15 14838 123322
Viagrande CT 16 8563 131885
Fiumefreddo di Sicilia CT 17 9623 141508
Randazzo CT 17 10900 152408
Aci Sant'Antonio CT 17 17984 170392
Belpasso CT 17 28108 198500
Aci Bonaccorsi CT 17 3524 202024
Maletto CT 18 3920 205944
Castiglione di Sicilia CT 18 3215 209159
Moio Alcantara ME 18 717 209876
Biancavilla CT 18 24007 233883
Bronte CT 18 19172 253055
Aci Catena CT 18 29851 282906
Acireale CT 19 52622 335528
San Pietro Clarenza CT 19 7743 343271
Santa Maria di Licodia CT 19 7641 350912
Tremestieri Etneo CT 19 20589 371501
Mascalucia CT 19 31958 403459
San Giovanni la Punta CT 19 23060 426519
Camporotondo Etneo CT 19 5023 431542
Adrano CT 20 36122 467664
Calatabiano CT 20 5308 472972
Valverde CT 20 7840 480812
Malvagna ME 20 733 481545

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km NW of Acireale (52622 inhabitants)
27 Km N of Catania (314555 inhabitants)
68 Km SW of Reggio di Calabria (183035 inhabitants)
68 Km SW of Messina (238439 inhabitants)
79 Km N of Siracusa (122291 inhabitants)
90 Km E of Caltanissetta (63360 inhabitants)
95 Km N of Ragusa (73313 inhabitants)
98 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
Rev 200 ML 1.8 2018-12-25
00:08:31
37.74 15.03 5 2018-12-26
13:33:39
Sala Operativa INGV-OE (Catania) 64243201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-25 00:08:31 ± 0
Latitude 37.74
Longitude 15.03
Depth (km) 5 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT
Event type earthquake
Origin ID 64243201

Uncertainty

Field Value
Preferred uncertainty description
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) 0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)
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)
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:1.8

Field Value
Value 1.8
Uncertainty 0
Num. used stations
Type of magnitude ML
Reference to an origin 64243201
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-12-26 13:33:39
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download