Earthquake with magnitude of ML 1.1 on date 26-03-2023 and time 16:35:16 (Italy) in region 7 km S Moio Alcantara (ME)

A magnitude ML 1.1 earthquake occured in region: 7 km S Moio Alcantara (ME), on

  • 26-03-2023 14:35:16 (UTC)
  • 26-03-2023 16:35:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8370, 15.0450 at 18 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Moio Alcantara ME 7 717 717
Castiglione di Sicilia CT 9 3215 3932
Linguaglossa CT 9 5403 9335
Malvagna ME 9 733 10068
Randazzo CT 10 10900 20968
Francavilla di Sicilia ME 11 3945 24913
Roccella Valdemone ME 11 666 25579
Santa Domenica Vittoria ME 12 980 26559
Piedimonte Etneo CT 12 3963 30522
Motta Camastra ME 13 845 31367
Sant'Alfio CT 13 1582 32949
Milo CT 14 1087 34036
Fiumefreddo di Sicilia CT 15 9623 43659
Maletto CT 16 3920 47579
Gaggi ME 16 3184 50763
Mascali CT 16 14282 65045
Calatabiano CT 16 5308 70353
Zafferana Etnea CT 17 9517 79870
Giarre CT 17 27659 107529
Graniti ME 17 1492 109021
Riposto CT 18 14838 123859
Santa Venerina CT 19 8592 132451
Bronte CT 19 19172 151623

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Acireale (52622 inhabitants)
37 Km N of Catania (314555 inhabitants)
60 Km SW of Messina (238439 inhabitants)
61 Km SW of Reggio di Calabria (183035 inhabitants)
89 Km N of Siracusa (122291 inhabitants)
95 Km E of Caltanissetta (63360 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
Bulletin
Rev1000
ML 1.1 2023-03-26
14:35:16
37.8367 15.0452 18 2024-03-01
17:18:19
Bollettino Sismico Italiano INGV 124302921
Reviewed
Rev200
ML 1.1 2023-03-26
14:35:15
37.858 15.029 13 2023-12-27
15:57:08
Sala Operativa INGV_OE (Catania) 115753961
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-26 14:35:16 ± 0.15
Latitude 37.8367 ± 0.0054
Longitude 15.0452 ± 0.0057
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124302921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 567
Semi-minor axis of confidence ellipse (meter) 289
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.26350
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 124302921
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-12-27 15:51:32

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations
Type of magnitude ML
Reference to an origin 115753961
Agency INGV
Autore Sala Operativa INGV_OE (Catania)
Time of creation (UTC) 2023-03-26 14:44:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LIBRI.HHN. 2023-03-26T14:35:26.75 0.6 undecidable manual S 340 29.2485 111 0.06 48
IV.MUCR.HHZ. 2023-03-26T14:35:26.12 0.6 undecidable manual S 327 27.3504 113 -0.1 48
IV.AIO.HHZ. 2023-03-26T14:35:25.18 0.6 undecidable manual S 48 22.1556 120 0.19 47
IV.NOV.HHZ. 2023-03-26T14:35:25.29 0.6 undecidable manual S 21 22.6551 119 0.19 47
IV.LIBRI.HHN. 2023-03-26T14:35:22.12 0.3 undecidable manual P 340 29.2485 111 -0.08 72
IV.EPMN.HHZ. 2023-03-26T14:35:22.75 0.6 undecidable manual S 99 11.6772 141 -0.08 49
IV.ECBD.HHN. 2023-03-26T14:35:22.38 0.6 undecidable manual S 150 7.2927 154 0.19 49
IV.EMNR.HHZ. 2023-03-26T14:35:22.10 0.6 undecidable manual S 217 2.7972 170 0.28 48
IV.EPIT.HHZ. 2023-03-26T14:35:21.91 0.6 undecidable manual S 160 2.997 169 0.08 50
IV.ECTS.HHZ. 2023-03-26T14:35:21.64 0.6 undecidable manual S 53 8.2806 151 -0.69 42
IV.AIO.HHZ. 2023-03-26T14:35:21.33 0.1 undecidable manual P 48 22.1556 120 0.11 96
IV.NOV.HHZ. 2023-03-26T14:35:21.41 0.3 undecidable manual P 21 22.6551 119 0.13 72
IV.MUCR.HHZ. 2023-03-26T14:35:21.91 0.3 undecidable manual P 327 27.3504 113 -0.02 73
IV.EMSG.HHZ. 2023-03-26T14:35:20.15 0.3 undecidable manual P 258 8.5803 150 0.45 69
IV.EPZF.HHZ. 2023-03-26T14:35:20.41 0.1 undecidable manual P 265 16.5723 130 -0.09 98
IV.EPMN.HHZ. 2023-03-26T14:35:19.95 0.1 positive manual P 99 11.6772 141 -0.02 99
IV.ECBD.HHN. 2023-03-26T14:35:19.74 0.1 undecidable manual P 150 7.2927 154 0.14 98
IV.EMNR.HHZ. 2023-03-26T14:35:19.26 0.1 undecidable manual P 217 2.7972 170 -0.13 99
IV.EPIT.HHZ. 2023-03-26T14:35:19.33 0.1 undecidable manual P 160 2.997 169 -0.07 100
IV.ECTS.HHZ. 2023-03-26T14:35:19.28 0.1 undecidable manual P 53 8.2806 151 -0.4 92
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:1.0 0.000052249999999999996 0.96 AML other m 2023-03-26T14:35:25.36
IV.AIO.HHN. ML:1.2 0.00008255 1.02 AML other m 2023-03-26T14:35:26.54
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download