ISTITUTO NAZIONALE DI GEOFISICA E VULCANOLOGIA

Earthquake with magnitude of ML 1.9 on date 25-12-2018 and time 02:11:42 (UTC) in region 7 km W Zafferana Etnea (CT)

A magnitude ML 1.9 earthquake occured in region: 7 km W Zafferana Etnea (CT), on

  • 25-12-2018 02:11:42 (UTC)
  • 25-12-2018 03:11:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.69, 15.03 at 2 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 8 7463 16980
Pedara CT 9 14102 31082
Milo CT 9 1087 32169
Trecastagni CT 9 10910 43079
Santa Venerina CT 10 8592 51671
Ragalna CT 10 3924 55595
Viagrande CT 11 8563 64158
Belpasso CT 12 28108 92266
Sant'Alfio CT 12 1582 93848
Aci Bonaccorsi CT 13 3524 97372
Aci Sant'Antonio CT 13 17984 115356
San Pietro Clarenza CT 13 7743 123099
Mascalucia CT 13 31958 155057
Tremestieri Etneo CT 13 20589 175646
Camporotondo Etneo CT 14 5023 180669
San Giovanni la Punta CT 14 23060 203729
Aci Catena CT 14 29851 233580
Giarre CT 15 27659 261239
Gravina di Catania CT 15 25838 287077
Santa Maria di Licodia CT 15 7641 294718
Biancavilla CT 15 24007 318725
Acireale CT 15 52622 371347
Valverde CT 15 7840 379187
Sant'Agata li Battiati CT 15 9479 388666
San Gregorio di Catania CT 16 11966 400632
Riposto CT 16 14838 415470
Paternò CT 17 48228 463698
Mascali CT 17 14282 477980
Adrano CT 17 36122 514102
Aci Castello CT 18 18723 532825
Piedimonte Etneo CT 19 3963 536788
Misterbianco CT 19 49410 586198
Fiumefreddo di Sicilia CT 20 9623 595821
Linguaglossa CT 20 5403 601224

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km NW of Acireale (52622 inhabitants)
22 Km N of Catania (314555 inhabitants)
72 Km SW of Reggio di Calabria (183035 inhabitants)
73 Km SW of Messina (238439 inhabitants)
74 Km NW of Siracusa (122291 inhabitants)
88 Km E of Caltanissetta (63360 inhabitants)
89 Km N of Ragusa (73313 inhabitants)
93 Km NE of Vittoria (63339 inhabitants)
95 Km N of Modica (54633 inhabitants)
98 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 1.9 2018-12-25
02:11:42
37.69 15.03 2 2018-12-26
13:51:33
Sala Operativa INGV-OE (Catania) 64243631
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-25 02:11:42 ± 0
Latitude 37.69
Longitude 15.03
Depth (km) 2 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT
Event type earthquake
Origin ID 64243631

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:1.9

Field Value
Value 1.9
Uncertainty 0
Num. used stations
Type of magnitude ML
Reference to an origin 64243631
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-12-26 13:51:33
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