Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 19-09-2021 and time 00:36:24 (Italy) in region 3 km NE Basicò (ME)

A magnitude ML 1.5 earthquake occured in region: 3 km NE Basicò (ME), on

  • 18-09-2021 22:36:24 (UTC)
  • 19-09-2021 00:36:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0870, 15.0750 at 7 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.

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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 3 612 612
Falcone ME 3 2808 3420
Oliveri ME 5 2181 5601
Tripi ME 5 873 6474
Furnari ME 5 3784 10258
Mazzarrà Sant'Andrea ME 5 1531 11789
Montalbano Elicona ME 9 2287 14076
Rodì Milici ME 9 2056 16132
Novara di Sicilia ME 9 1337 17469
Terme Vigliatore ME 10 7395 24864
Librizzi ME 10 1660 26524
San Piero Patti ME 10 2915 29439
Patti ME 11 13431 42870
Castroreale ME 12 2504 45374
Montagnareale ME 12 1615 46989
Fondachelli-Fantina ME 14 1019 48008
Barcellona Pozzo di Gotto ME 14 41583 89591
Raccuja ME 15 1041 90632
Sant'Angelo di Brolo ME 17 3090 93722
Ucria ME 18 1058 94780
Merì ME 18 2338 97118
Roccella Valdemone ME 18 666 97784
Floresta ME 18 485 98269
Gioiosa Marea ME 19 7074 105343
Malvagna ME 19 733 106076
Santa Lucia del Mela ME 19 4650 110726
Antillo ME 19 919 111645
San Filippo del Mela ME 20 7115 118760
Sinagra ME 20 2705 121465

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Messina (238439 inhabitants)
50 Km W of Reggio di Calabria (183035 inhabitants)
53 Km N of Acireale (52622 inhabitants)
65 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
Bulletin
Rev1000 		ML 1.5 2021-09-18
22:36:24		 38.0873 15.075 7 2022-03-30
13:04:07		 Bollettino Sismico Italiano INGV 95780931
Reviewed
Rev100 		ML 1.5 2021-09-18
22:36:24		 38.0693 15.0702 8 2021-09-18
22:44:32		 Sala Sismica INGV-Roma 95604241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-18 22:36:24 ± 0.1
Latitude 38.0873 ± 0.0045
Longitude 15.0750 ± 0.0057
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 95780931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 556
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 313
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38401
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 95780931
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-23 10:55:46

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 95604241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-18 22:44:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ILOS.HHZ. 2021-09-18T22:36:44.57 3.0 undecidable manual P 0
IV.MSRU.HHE. 2021-09-18T22:36:39.12 0.1 undecidable manual S 62 42.5241 50 -0.31 91
IV.EPZF.HHZ. 2021-09-18T22:36:37.83 0.3 undecidable manual S 213 34.9428 101 0.8 59
IV.EMSG.HHZ. 2021-09-18T22:36:36.25 0.3 undecidable manual S 200 31.5462 102 0.36 69
IV.EPIT.HHZ. 2021-09-18T22:36:35.86 0.3 undecidable manual S 183 30.6471 103 0.26 71
IV.MILZ.HHZ. 2021-09-18T22:36:34.38 0.1 undecidable manual S 34 24.5532 106 0.85 79
IV.MCPD.HHZ. 2021-09-18T22:36:34.88 0.1 undecidable manual S 277 30.2475 103 -0.57 87
IV.EMFO.HHE. 2021-09-18T22:36:33.36 0.3 undecidable manual P 178 39.0276 100 0.73 60
IV.MSRU.HHE. 2021-09-18T22:36:33.01 0.3 undecidable manual P 62 42.5241 50 -0.19 70
IV.MPNC.HHE. 2021-09-18T22:36:33.47 0.3 undecidable manual S 75 25.1526 105 -0.26 71
IV.MSFR.HHZ. 2021-09-18T22:36:32.65 0.3 undecidable manual P 262 42.624 50 -0.56 64
IV.ECBD.HHN. 2021-09-18T22:36:32.06 0.3 undecidable manual P 178 34.1436 101 0.41 68
IV.IVPL.HHZ. 2021-09-18T22:36:32.16 0.3 undecidable manual P 346 33.1446 102 0.69 62
IV.ESAL.HHE. 2021-09-18T22:36:32.87 0.3 undecidable manual P 172 37.2294 101 0.59 64
IV.EPIT.HHZ. 2021-09-18T22:36:31.35 0.1 undecidable manual P 183 30.6471 103 0.36 92
IV.EPZF.HHZ. 2021-09-18T22:36:31.63 0.3 undecidable manual P 213 34.9428 101 -0.18 71
IV.IVUG.HHZ. 2021-09-18T22:36:31.95 0.3 undecidable manual P 347 35.1426 101 0.1 73
IV.EMCN.HHN. 2021-09-18T22:36:31.69 0.6 undecidable manual P 186 33.0447 102 0.23 47
IV.EMSG.HHZ. 2021-09-18T22:36:31.56 0.3 undecidable manual P 200 31.5462 102 0.41 68
IV.EFIU.HHE. 2021-09-18T22:36:31.43 0.3 undecidable manual P 160 35.1426 101 -0.42 68
IV.AIO.HHZ. 2021-09-18T22:36:31.11 0.3 undecidable manual S 133 18.87 110 -0.56 67
IV.IVGP.HHN. 2021-09-18T22:36:31.74 0.6 undecidable manual P 344 35.742 101 -0.24 47
IV.MUCR.HHZ. 2021-09-18T22:36:31.20 0.1 undecidable manual S 254 18.2706 111 -0.26 96
IV.EMNR.HHZ. 2021-09-18T22:36:31.19 0.3 undecidable manual P 188 30.3474 103 0.27 71
IV.ESVO.HHZ. 2021-09-18T22:36:30.00 3.0 undecidable manual P 0
IV.MILZ.HHZ. 2021-09-18T22:36:30.21 0.1 undecidable manual P 34 24.5532 106 0.42 92
IV.MCPD.HHZ. 2021-09-18T22:36:30.53 0.1 positive manual P 277 30.2475 103 -0.37 92
IV.MPNC.HHE. 2021-09-18T22:36:29.93 0.1 undecidable manual P 75 25.1526 105 0.02 100
IV.ECTS.HHZ. 2021-09-18T22:36:29.01 0.6 undecidable manual P 170 23.1546 107 -0.52 45
IV.MUCR.HHZ. 2021-09-18T22:36:28.43 0.1 positive manual P 254 18.2706 111 -0.17 98
IV.AIO.HHZ. 2021-09-18T22:36:28.42 0.1 positive manual P 133 18.87 110 -0.3 96
IV.NOV.HHZ. 2021-09-18T22:36:27.80 0.1 undecidable manual S 141 8.4804 129 -0.7 86
IV.NOV.HHZ. 2021-09-18T22:36:26.64 0.1 positive manual P 141 8.4804 129 -0.25 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NOV.HHN. ML:2.3 0.003705 0.28 AML other m 2021-09-18T22:36:28.28
IV.NOV.HHE. ML:2.4 0.004203022 0.256 AML other m 2021-09-18T22:36:28.24
IV.AIO.HHN. ML:1.3 0.0001815 0.24 AML other m 2021-09-18T22:36:31.52
IV.MUCR.HHE. ML:1.3 0.000177 0.14 AML other m 2021-09-18T22:36:31.54
IV.MUCR.HHN. ML:1.6 0.000357 0.32 AML other m 2021-09-18T22:36:31.57
IV.AIO.HHE. ML:1.2 0.00014605625 0.1536 AML other m 2021-09-18T22:36:32.24
IV.MILZ.HHN. ML:1.2 0.00009780362 0.7168 AML other m 2021-09-18T22:36:41.42
IV.MILZ.HHE. ML:1.6 0.0002492305 0.2688 AML other m 2021-09-18T22:36:35.14
IV.MCPD.HHE. ML:1.3 0.00009423065 0.32 AML other m 2021-09-18T22:36:37.32
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