Earthquake with magnitude of ML 1.4 on date 22-03-2021 and time 05:17:50 (Italy) in region 9 km W Milo (CT)

A magnitude ML 1.4 earthquake occured in region: 9 km W Milo (CT), on

  • 22-03-2021 04:17:50 (UTC)
  • 22-03-2021 05:17:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.758, 15.022 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
Milo CT 9 1087 1087
Zafferana Etnea CT 10 9517 10604
Sant'Alfio CT 11 1582 12186
Santa Venerina CT 13 8592 20778
Linguaglossa CT 14 5403 26181
Giarre CT 15 27659 53840
Piedimonte Etneo CT 15 3963 57803
Randazzo CT 15 10900 68703
Mascali CT 15 14282 82985
Ragalna CT 16 3924 86909
Maletto CT 16 3920 90829
Pedara CT 16 14102 104931
Nicolosi CT 16 7463 112394
Moio Alcantara ME 16 717 113111
Riposto CT 16 14838 127949
Trecastagni CT 16 10910 138859
Castiglione di Sicilia CT 17 3215 142074
Bronte CT 17 19172 161246
Fiumefreddo di Sicilia CT 17 9623 170869
Viagrande CT 18 8563 179432
Malvagna ME 18 733 180165
Santa Domenica Vittoria ME 18 980 181145
Biancavilla CT 19 24007 205152
Belpasso CT 19 28108 233260
Francavilla di Sicilia ME 19 3945 237205
Aci Sant'Antonio CT 19 17984 255189
Aci Bonaccorsi CT 19 3524 258713
Calatabiano CT 20 5308 264021
Roccella Valdemone ME 20 666 264687
Santa Maria di Licodia CT 20 7641 272328
Adrano CT 20 36122 308450

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of Acireale (52622 inhabitants)
29 Km N of Catania (314555 inhabitants)
67 Km SW of Reggio di Calabria (183035 inhabitants)
68 Km SW of Messina (238439 inhabitants)
81 Km N of Siracusa (122291 inhabitants)
90 Km E of Caltanissetta (63360 inhabitants)
96 Km N of Ragusa (73313 inhabitants)
100 Km NE of Vittoria (63339 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Preliminary map of the earthquake effects from the web questionnaire

Preliminary map of the earthquake effects from the web questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev200
ML 1.4 2021-03-22
04:17:50
37.758 15.022 0 2021-03-22
04:37:21
Sala Operativa INGV_OE (Catania) 88365131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-22 04:17:50
Latitude 37.7580
Longitude 15.0220
Depth (km) 0 (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 88365131

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
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
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) 0.26
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:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 88365131
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-03-22 04:37:21
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