Earthquake with magnitude of ML 1.1 on date 02-03-2021 and time 05:33:46 (Italy) in region 5 km NE Ragalna (CT)

A magnitude ML 1.1 earthquake occured in region: 5 km NE Ragalna (CT), on

  • 02-03-2021 04:33:46 (UTC)
  • 02-03-2021 05:33:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.66, 14.98 at 9 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
Ragalna CT 5 3924 3924
Nicolosi CT 7 7463 11387
Belpasso CT 8 28108 39495
Pedara CT 9 14102 53597
Santa Maria di Licodia CT 9 7641 61238
Biancavilla CT 10 24007 85245
Trecastagni CT 10 10910 96155
San Pietro Clarenza CT 11 7743 103898
Camporotondo Etneo CT 11 5023 108921
PaternĂ² CT 11 48228 157149
Mascalucia CT 12 31958 189107
Zafferana Etnea CT 12 9517 198624
Viagrande CT 12 8563 207187
Tremestieri Etneo CT 13 20589 227776
Adrano CT 13 36122 263898
Gravina di Catania CT 13 25838 289736
Aci Bonaccorsi CT 14 3524 293260
San Giovanni la Punta CT 14 23060 316320
Milo CT 14 1087 317407
Aci Sant'Antonio CT 15 17984 335391
Sant'Agata li Battiati CT 15 9479 344870
Santa Venerina CT 15 8592 353462
Misterbianco CT 16 49410 402872
San Gregorio di Catania CT 16 11966 414838
Valverde CT 16 7840 422678
Aci Catena CT 16 29851 452529
Motta Sant'Anastasia CT 16 12116 464645
Acireale CT 18 52622 517267
Sant'Alfio CT 18 1582 518849
Aci Castello CT 19 18723 537572
Bronte CT 19 19172 556744
Giarre CT 20 27659 584403
Catania CT 20 314555 898958

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km W of Acireale (52622 inhabitants)
20 Km NW of Catania (314555 inhabitants)
72 Km NW of Siracusa (122291 inhabitants)
77 Km SW of Reggio di Calabria (183035 inhabitants)
78 Km SW of Messina (238439 inhabitants)
83 Km E of Caltanissetta (63360 inhabitants)
85 Km N of Ragusa (73313 inhabitants)
88 Km NE of Vittoria (63339 inhabitants)
91 Km N of Modica (54633 inhabitants)
92 Km NE of Gela (75827 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled 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 1.1 2021-03-02
04:33:46
37.66 14.98 9 2021-03-02
04:43:36
Sala Operativa INGV_OE (Catania) 87619151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-02 04:33:46
Latitude 37.66
Longitude 14.98
Depth (km) 9 (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 87619151

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) 700
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 78
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) 0.18
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:1.1

Field Value
Value 1.1
Uncertainty 0.1
Num. used stations
Type of magnitude ML
Reference to an origin 87619151
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-03-02 04:43:36
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