ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of ML 1.5 on date 25-12-2018 and time 15:50:06 (UTC) in region 7 km W Zafferana Etnea (CT)

A magnitude ML 1.5 earthquake occured in region: 7 km W Zafferana Etnea (CT), on

  • 25-12-2018 15:50:06 (UTC)
  • 25-12-2018 16:50:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.68, 15.03 at 0 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
Zafferana Etnea CT 7 9517 9517
Nicolosi CT 7 7463 16980
Pedara CT 7 14102 31082
Trecastagni CT 8 10910 41992
Milo CT 9 1087 43079
Ragalna CT 10 3924 47003
Viagrande CT 10 8563 55566
Santa Venerina CT 10 8592 64158
Belpasso CT 11 28108 92266
Aci Bonaccorsi CT 11 3524 95790
Aci Sant'Antonio CT 12 17984 113774
San Pietro Clarenza CT 12 7743 121517
Mascalucia CT 12 31958 153475
Tremestieri Etneo CT 12 20589 174064
Sant'Alfio CT 13 1582 175646
Camporotondo Etneo CT 13 5023 180669
San Giovanni la Punta CT 13 23060 203729
Aci Catena CT 13 29851 233580
Gravina di Catania CT 14 25838 259418
Valverde CT 14 7840 267258
Sant'Agata li Battiati CT 14 9479 276737
Santa Maria di Licodia CT 14 7641 284378
Acireale CT 14 52622 337000
San Gregorio di Catania CT 15 11966 348966
Biancavilla CT 15 24007 372973
Giarre CT 15 27659 400632
Paternò CT 16 48228 448860
Riposto CT 17 14838 463698
Mascali CT 17 14282 477980
Aci Castello CT 17 18723 496703
Adrano CT 17 36122 532825
Misterbianco CT 18 49410 582235
Motta Sant'Anastasia CT 19 12116 594351
Piedimonte Etneo CT 20 3963 598314

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of Acireale (52622 inhabitants)
20 Km N of Catania (314555 inhabitants)
72 Km SW of Reggio di Calabria (183035 inhabitants)
73 Km NW of Siracusa (122291 inhabitants)
74 Km SW of Messina (238439 inhabitants)
88 Km E of Caltanissetta (63360 inhabitants)
88 Km N of Ragusa (73313 inhabitants)
92 Km NE of Vittoria (63339 inhabitants)
94 Km N of Modica (54633 inhabitants)
97 Km NE of Gela (75827 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 1.5 2018-12-25
15:50:06
37.68 15.03 0 2018-12-26
14:44:02
Sala Operativa INGV-OE (Catania) 64245841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-25 15:50:06 ± 0
Latitude 37.68
Longitude 15.03
Depth (km) 0 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT
Event type earthquake
Origin ID 64245841

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:1.5

Field Value
Value 1.5
Uncertainty 0
Num. used stations
Type of magnitude ML
Reference to an origin 64245841
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-12-26 14:44:02
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