INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 2.1 on date 25-12-2018 and time 06:47:58 (Italy) in region 3 km W Zafferana Etnea (CT)

A magnitude ML 2.1 earthquake occured in region: 3 km W Zafferana Etnea (CT), on

  • 25-12-2018 05:47:58 (UTC)
  • 25-12-2018 06:47:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7, 15.07 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
Zafferana Etnea CT 3 9517 9517
Milo CT 5 1087 10604
Santa Venerina CT 6 8592 19196
Sant'Alfio CT 8 1582 20778
Trecastagni CT 9 10910 31688
Pedara CT 9 14102 45790
Viagrande CT 10 8563 54353
Nicolosi CT 10 7463 61816
Giarre CT 11 27659 89475
Aci Sant'Antonio CT 11 17984 107459
Aci Bonaccorsi CT 12 3524 110983
Aci Catena CT 12 29851 140834
Riposto CT 12 14838 155672
Acireale CT 13 52622 208294
Mascali CT 13 14282 222576
San Giovanni la Punta CT 14 23060 245636
Tremestieri Etneo CT 14 20589 266225
Ragalna CT 14 3924 270149
Mascalucia CT 14 31958 302107
Valverde CT 14 7840 309947
Belpasso CT 14 28108 338055
San Pietro Clarenza CT 14 7743 345798
San Gregorio di Catania CT 15 11966 357764
Gravina di Catania CT 15 25838 383602
Sant'Agata li Battiati CT 15 9479 393081
Piedimonte Etneo CT 16 3963 397044
Camporotondo Etneo CT 16 5023 402067
Fiumefreddo di Sicilia CT 16 9623 411690
Aci Castello CT 17 18723 430413
Linguaglossa CT 17 5403 435816
Santa Maria di Licodia CT 18 7641 443457
Biancavilla CT 19 24007 467464
Calatabiano CT 20 5308 472772
Paternò CT 20 48228 521000

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km NW of Acireale (52622 inhabitants)
22 Km N of Catania (314555 inhabitants)
68 Km SW of Reggio di Calabria (183035 inhabitants)
70 Km SW of Messina (238439 inhabitants)
74 Km N of Siracusa (122291 inhabitants)
91 Km NE of Ragusa (73313 inhabitants)
92 Km E of Caltanissetta (63360 inhabitants)
96 Km NE of Vittoria (63339 inhabitants)
97 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
Rev 200 ML 2.1 2018-12-25
05:47:58
37.7 15.07 3 2018-12-26
13:50:02
Sala Operativa INGV-OE (Catania) 64243581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-12-25 05:47:58 ± 0
Latitude 37.70
Longitude 15.07
Depth (km) 3 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 200 -> SURVEY-INGV-CT
Event type earthquake
Origin ID 64243581

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:2.1

Field Value
Value 2.1
Uncertainty 0
Num. used stations
Type of magnitude ML
Reference to an origin 64243581
Agency INGV
Autore Sala Operativa INGV-OE (Catania)
Time of creation (UTC) 2018-12-26 13:50:02
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