Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 28-05-2023 and time 00:14:21 (UTC) in region 4 km W Basicò (ME)

A magnitude ML 1.2 earthquake occured in region: 4 km W Basicò (ME), on

  • 28-05-2023 00:14:21 (UTC)
  • 28-05-2023 02:14:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0790, 15.0190 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Basicò ME 4 612 612
San Piero Patti ME 6 2915 3527
Librizzi ME 6 1660 5187
Montalbano Elicona ME 6 2287 7474
Oliveri ME 6 2181 9655
Falcone ME 7 2808 12463
Tripi ME 8 873 13336
Patti ME 8 13431 26767
Montagnareale ME 9 1615 28382
Raccuja ME 10 1041 29423
Furnari ME 10 3784 33207
Mazzarrà Sant'Andrea ME 10 1531 34738
Novara di Sicilia ME 12 1337 36075
Ucria ME 13 1058 37133
Sant'Angelo di Brolo ME 13 3090 40223
Rodì Milici ME 14 2056 42279
Floresta ME 14 485 42764
Terme Vigliatore ME 14 7395 50159
Sinagra ME 15 2705 52864
Gioiosa Marea ME 15 7074 59938
Roccella Valdemone ME 16 666 60604
Piraino ME 16 3962 64566
Fondachelli-Fantina ME 17 1019 65585
Castroreale ME 17 2504 68089
Ficarra ME 17 1469 69558
Tortorici ME 18 6435 75993
Malvagna ME 18 733 76726
Castell'Umberto ME 19 3128 79854
Santa Domenica Vittoria ME 19 980 80834
Brolo ME 19 5783 86617
Barcellona Pozzo di Gotto ME 19 41583 128200

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km W of Messina (238439 inhabitants)
53 Km N of Acireale (52622 inhabitants)
55 Km W of Reggio di Calabria (183035 inhabitants)
64 Km N of Catania (314555 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
Rev100 		ML 1.2 2023-05-28
00:14:21		 38.0793 15.0187 9 2023-05-28
00:18:40		 Sala Sismica INGV-Roma 117794751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-28 00:14:21 ± 0.06
Latitude 38.0793 ± 0.0036
Longitude 15.0187 ± 0.0046
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 117794751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 342
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.11961
Epicentral distance of station farthest from the epicenter (degree) 0.42628
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 117794751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-28 00:18:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MSRU.HHZ. 2023-05-28T00:14:37.63 0.6 undecidable manual S 64 47.3193 50 0.05 48
IV.IVGP.HHZ. 2023-05-28T00:14:34.13 0.3 undecidable manual S 352 35.5422 50 -0.3 70
IV.EPMN.HHZ. 2023-05-28T00:14:33.52 0.6 undecidable manual S 154 31.9458 50 0.07 49
IV.AIO.HHZ. 2023-05-28T00:14:30.20 0.6 undecidable manual S 123 22.2555 112 -0.1 50
IV.ECTS.HHZ. 2023-05-28T00:14:30.59 0.3 undecidable manual S 158 23.6541 111 -0.17 73
IV.MSRU.HHZ. 2023-05-28T00:14:30.94 0.1 undecidable manual P 64 47.3193 50 -0.05 96
IV.IVGP.HHZ. 2023-05-28T00:14:29.43 0.1 undecidable manual P 352 35.5422 50 0.26 94
IV.EPMN.HHZ. 2023-05-28T00:14:28.57 0.1 undecidable manual P 154 31.9458 50 -0.04 99
IV.ECTS.HHZ. 2023-05-28T00:14:27.16 0.1 undecidable manual P 158 23.6541 111 0.11 99
IV.MUCR.HHZ. 2023-05-28T00:14:27.47 0.6 undecidable manual S 252 13.2756 124 -0.06 51
IV.AIO.HHZ. 2023-05-28T00:14:26.86 0.1 positive manual P 123 22.2555 112 0.07 100
IV.MUCR.HHZ. 2023-05-28T00:14:25.25 1.0 undecidable manual P 252 13.2756 124 0.06 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MUCR.HHE. ML:1.4 0.00027949999999999996 0.34 AML other m 2023-05-28T00:14:27.71
IV.MUCR.HHN. ML:1.5 0.0003235 0.26 AML other m 2023-05-28T00:14:27.82
IV.AIO.HHN. ML:1.3 0.00014350000000000002 1.58 AML other m 2023-05-28T00:14:31.15
IV.AIO.HHE. ML:1.1 0.00009214999999999999 0.7 AML other m 2023-05-28T00:14:31.20
IV.ECTS.HHN. ML:1.1 0.0000756 0.36 AML other m 2023-05-28T00:14:31.50
IV.ECTS.HHE. ML:1.0 0.00006934999999999999 0.9 AML other m 2023-05-28T00:14:31.23
IV.IVGP.HHN. ML:1.1 0.0000547 0.48 AML other m 2023-05-28T00:14:35.33
IV.IVGP.HHE. ML:1.2 0.00006845 0.42 AML other m 2023-05-28T00:14:35.84
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