Earthquake with magnitude of ML 1.6 on date 29-01-2021 and time 20:21:07 (Italy) in region 11 km N Ragalna (CT)

A magnitude ML 1.6 earthquake occured in region: 11 km N Ragalna (CT), on

  • 29-01-2021 19:21:07 (UTC)
  • 29-01-2021 20:21:07 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7320, 14.9390 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
Bronte CT 11 19172 19172
Ragalna CT 11 3924 23096
Biancavilla CT 12 24007 47103
Adrano CT 12 36122 83225
Maletto CT 13 3920 87145
Santa Maria di Licodia CT 14 7641 94786
Zafferana Etnea CT 15 9517 104303
Nicolosi CT 15 7463 111766
Milo CT 16 1087 112853
Belpasso CT 16 28108 140961
Randazzo CT 16 10900 151861
Pedara CT 17 14102 165963
PaternĂ² CT 17 48228 214191
Trecastagni CT 18 10910 225101
Sant'Alfio CT 18 1582 226683
Santa Venerina CT 18 8592 235275
Maniace CT 19 3765 239040
Camporotondo Etneo CT 19 5023 244063
San Pietro Clarenza CT 19 7743 251806
Viagrande CT 19 8563 260369

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Acireale (52622 inhabitants)
29 Km NW of Catania (314555 inhabitants)
75 Km SW of Messina (238439 inhabitants)
75 Km SW of Reggio di Calabria (183035 inhabitants)
81 Km NW of Siracusa (122291 inhabitants)
82 Km E of Caltanissetta (63360 inhabitants)
92 Km N of Ragusa (73313 inhabitants)
94 Km NE of Vittoria (63339 inhabitants)
96 Km NE of Gela (75827 inhabitants)
98 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
Reviewed
Rev200
ML 1.6 2021-01-29
19:21:07
37.732 14.939 4 2021-01-29
20:49:25
Sala Operativa INGV_OE (Catania) 86699021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-29 19:21:07
Latitude 37.7320
Longitude 14.9390
Depth (km) 4 (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 86699021

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) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
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) 0.1
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:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 86699021
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-29 20:49:25
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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