Earthquake with magnitude of ML 2.1 on date 18-11-2021 and time 11:52:32 (UTC) in region 6 km N Nicolosi (CT)

A magnitude ML 2.1 earthquake occured in region: 6 km N Nicolosi (CT), on

  • 18-11-2021 11:52:32 (UTC)
  • 18-11-2021 12:52:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.668, 15.008 at 7 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
Nicolosi CT 6 7463 7463
Pedara CT 7 14102 21565
Ragalna CT 7 3924 25489
Trecastagni CT 8 10910 36399
Belpasso CT 9 28108 64507
Zafferana Etnea CT 9 9517 74024
Viagrande CT 10 8563 82587
San Pietro Clarenza CT 11 7743 90330
Camporotondo Etneo CT 11 5023 95353
Mascalucia CT 11 31958 127311
Milo CT 11 1087 128398
Tremestieri Etneo CT 12 20589 148987
Aci Bonaccorsi CT 12 3524 152511
Santa Venerina CT 12 8592 161103
Santa Maria di Licodia CT 12 7641 168744
Aci Sant'Antonio CT 12 17984 186728
Biancavilla CT 13 24007 210735
San Giovanni la Punta CT 13 23060 233795
Gravina di Catania CT 13 25838 259633
PaternĂ² CT 14 48228 307861
Sant'Agata li Battiati CT 14 9479 317340
Aci Catena CT 14 29851 347191
Valverde CT 14 7840 355031
San Gregorio di Catania CT 14 11966 366997
Sant'Alfio CT 15 1582 368579
Acireale CT 15 52622 421201
Adrano CT 15 36122 457323
Misterbianco CT 16 49410 506733
Giarre CT 17 27659 534392
Aci Castello CT 17 18723 553115
Motta Sant'Anastasia CT 18 12116 565231
Riposto CT 19 14838 580069
Mascali CT 19 14282 594351
Catania CT 20 314555 908906

Municipalities with at least 50000 inhabitants

An earthquake occurred to
15 Km W of Acireale (52622 inhabitants)
20 Km NW of Catania (314555 inhabitants)
72 Km NW of Siracusa (122291 inhabitants)
74 Km SW of Reggio di Calabria (183035 inhabitants)
76 Km SW of Messina (238439 inhabitants)
86 Km E of Caltanissetta (63360 inhabitants)
86 Km N of Ragusa (73313 inhabitants)
90 Km NE of Vittoria (63339 inhabitants)
92 Km N of Modica (54633 inhabitants)
95 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
Reviewed
Rev200
ML 2.1 2021-11-18
11:52:32
37.668 15.008 7 2021-11-18
13:14:11
Sala Operativa INGV_OE (Catania) 97553261
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-18 11:52:32
Latitude 37.6680
Longitude 15.0080
Depth (km) 7 (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 97553261

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) 300
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
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) 0.25
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 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 97553261
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-11-18 13:14:11
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