Earthquake with magnitude of ML 1.9 on date 16-01-2021 and time 03:38:10 (Italy) in region 1 km W San Giovanni la Punta (CT)

A magnitude ML 1.9 earthquake occured in region: 1 km W San Giovanni la Punta (CT), on

  • 16-01-2021 02:38:10 (UTC)
  • 16-01-2021 03:38:10 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.58, 15.08 at 21 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
San Giovanni la Punta CT 1 23060 23060
Tremestieri Etneo CT 1 20589 43649
Sant'Agata li Battiati CT 3 9479 53128
San Gregorio di Catania CT 3 11966 65094
Mascalucia CT 3 31958 97052
Aci Bonaccorsi CT 3 3524 100576
Gravina di Catania CT 3 25838 126414
Viagrande CT 4 8563 134977
Valverde CT 4 7840 142817
Trecastagni CT 4 10910 153727
Aci Sant'Antonio CT 5 17984 171711
Pedara CT 5 14102 185813
San Pietro Clarenza CT 5 7743 193556
Aci Catena CT 6 29851 223407
Aci Castello CT 6 18723 242130
Nicolosi CT 6 7463 249593
Camporotondo Etneo CT 7 5023 254616
Acireale CT 8 52622 307238
Catania CT 9 314555 621793
Belpasso CT 10 28108 649901
Misterbianco CT 10 49410 699311
Santa Venerina CT 13 8592 707903
Motta Sant'Anastasia CT 13 12116 720019
Zafferana Etnea CT 13 9517 729536
Ragalna CT 14 3924 733460
PaternĂ² CT 16 48228 781688
Milo CT 16 1087 782775
Santa Maria di Licodia CT 18 7641 790416
Giarre CT 19 27659 818075
Sant'Alfio CT 19 1582 819657
Riposto CT 20 14838 834495

Municipalities with at least 50000 inhabitants

An earthquake occurred to
8 Km W of Acireale (52622 inhabitants)
9 Km N of Catania (314555 inhabitants)
61 Km N of Siracusa (122291 inhabitants)
77 Km SW of Reggio di Calabria (183035 inhabitants)
79 Km NE of Ragusa (73313 inhabitants)
80 Km SW of Messina (238439 inhabitants)
85 Km NE of Modica (54633 inhabitants)
85 Km NE of Vittoria (63339 inhabitants)
91 Km E of Caltanissetta (63360 inhabitants)
93 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 1.9 2021-01-16
02:38:10
37.58 15.09 21 2021-01-16
03:03:05
Sala Operativa INGV_OE (Catania) 86287221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-16 02:38:10
Latitude 37.58
Longitude 15.09
Depth (km) 21 (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 86287221

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) 900
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 135
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) 0.29
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:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 86287221
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2021-01-16 03:03:05
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