Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.5 on date 23-03-2021 and time 09:34:46 (UTC) in region 3 km SW Novara di Sicilia (ME)

A magnitude ML 2.5 earthquake occured in region: 3 km SW Novara di Sicilia (ME), on

  • 23-03-2021 09:34:46 (UTC)
  • 23-03-2021 10:34:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0020, 15.1050 at 9 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
Novara di Sicilia ME 3 1337 1337
Tripi ME 5 873 2210
Fondachelli-Fantina ME 6 1019 3229
Basicò ME 8 612 3841
Montalbano Elicona ME 8 2287 6128
Mazzarrà Sant'Andrea ME 10 1531 7659
Malvagna ME 10 733 8392
Roccella Valdemone ME 11 666 9058
Francavilla di Sicilia ME 12 3945 13003
Furnari ME 12 3784 16787
Moio Alcantara ME 12 717 17504
Antillo ME 13 919 18423
Falcone ME 13 2808 21231
Motta Camastra ME 13 845 22076
Castiglione di Sicilia CT 13 3215 25291
San Piero Patti ME 13 2915 28206
Rodì Milici ME 13 2056 30262
Castroreale ME 14 2504 32766
Oliveri ME 14 2181 34947
Santa Domenica Vittoria ME 16 980 35927
Terme Vigliatore ME 16 7395 43322
Limina ME 16 836 44158
Graniti ME 16 1492 45650
Roccafiorita ME 17 197 45847
Librizzi ME 17 1660 47507
Floresta ME 17 485 47992
Raccuja ME 18 1041 49033
Linguaglossa CT 18 5403 54436
Mongiuffi Melia ME 19 600 55036
Gaggi ME 19 3184 58220
Mandanici ME 19 601 58821
Barcellona Pozzo di Gotto ME 19 41583 100404
Randazzo CT 20 10900 111304
Patti ME 20 13431 124735
Casalvecchio Siculo ME 20 842 125577
Gallodoro ME 20 367 125944

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km N of Acireale (52622 inhabitants)
45 Km SW of Messina (238439 inhabitants)
49 Km W of Reggio di Calabria (183035 inhabitants)
55 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 2.5 2021-03-23
09:34:46		 38.0023 15.1047 9 2021-07-12
16:55:17		 Bollettino Sismico Italiano INGV 92156631
Reviewed
Rev100 		ML 2.5 2021-03-23
09:34:46		 38.0005 15.1037 9 2021-03-23
09:50:30		 Sala Sismica INGV-Roma 88403671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-23 09:34:46 ± 0.07
Latitude 38.0023 ± 0.0045
Longitude 15.1047 ± 0.0057
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 92156631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 476
Semi-minor axis of confidence ellipse (meter) 403
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 138
Circular confidence region, given by single value of horizontal uncertainty (meter) 480.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 61
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
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) 0.03597
Epicentral distance of station farthest from the epicenter (degree) 0.86065
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 92156631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-07-02 16:10:11

ML:2.5

Field Value
Value 2.5
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 88403671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-23 09:50:29
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2021-03-23T09:35:02.56 0.6 undecidable manual P 182 93.7395 50 0.05 43
IV.JOPP.HHZ. 2021-03-23T09:35:02.54 0.3 undecidable manual P 45 95.5377 50 -0.23 62
IV.IVPL.HHE. 2021-03-23T09:35:01.36 1.0 undecidable manual S 345 42.9237 50 0.63 21
IV.IVGP.HHE. 2021-03-23T09:35:01.67 0.6 undecidable manual S 344 45.5211 50 0.24 46
IV.SOI.EHZ. 2021-03-23T09:35:00.46 0.3 undecidable manual P 84 83.3499 50 -0.44 61
IV.HLNI.HHZ. 2021-03-23T09:34:59.47 0.3 undecidable manual P 196 75.369 50 -0.2 65
MN.CEL.HHZ. 2021-03-23T09:34:59.33 0.3 undecidable manual P 67 74.5698 50 -0.22 65
IV.EPZF.HHZ. 2021-03-23T09:34:57.90 1.0 undecidable manual S 228 29.3484 107 0.86 19
IV.GALF.HHZ. 2021-03-23T09:34:57.10 0.6 undecidable manual P 236 57.1983 50 0.23 45
IV.MPNC.HHZ. 2021-03-23T09:34:56.25 0.6 undecidable manual S 54 26.9508 109 0.01 49
IV.EPIT.HHZ. 2021-03-23T09:34:55.39 0.6 undecidable manual S 191 21.5673 113 0.88 38
IV.IVUG.HHE. 2021-03-23T09:34:55.44 0.3 undecidable manual P 347 44.9217 50 0.47 65
IV.EMSG.HHZ. 2021-03-23T09:34:55.82 0.3 undecidable manual S 214 24.2535 110 0.45 68
IV.IVGP.HHE. 2021-03-23T09:34:55.15 0.3 undecidable manual P 344 45.5211 50 0.08 71
IV.IVPL.HHE. 2021-03-23T09:34:54.96 0.3 undecidable manual P 345 42.9237 50 0.3 68
IV.MUCR.HHZ. 2021-03-23T09:34:53.72 0.3 undecidable manual S 283 20.6682 114 -0.49 68
IV.ESAL.HHZ. 2021-03-23T09:34:52.49 0.3 undecidable manual P 175 27.5502 108 0.3 70
IV.AIO.HHZ. 2021-03-23T09:34:51.68 0.6 undecidable manual S 107 11.7771 128 0.15 49
IV.EPIT.HHZ. 2021-03-23T09:34:51.12 0.3 undecidable manual P 191 21.5673 113 0.05 74
IV.ECTS.HHZ. 2021-03-23T09:34:51.57 0.3 undecidable manual S 174 13.4754 124 -0.43 69
IV.MPNC.HHZ. 2021-03-23T09:34:51.90 0.1 undecidable manual P 54 26.9508 109 -0.17 95
IV.EMSG.HHZ. 2021-03-23T09:34:51.52 0.1 undecidable manual P 214 24.2535 110 -0.05 98
IV.EPZF.HHZ. 2021-03-23T09:34:51.98 0.3 undecidable manual P 228 29.3484 107 -0.55 65
IV.EFIU.HHZ. 2021-03-23T09:34:51.83 0.3 undecidable manual P 159 25.3524 110 0.05 73
IV.NOV.HHZ. 2021-03-23T09:34:50.24 0.3 undecidable manual S 45 3.996 156 0.43 70
IV.MUCR.HHZ. 2021-03-23T09:34:50.49 0.1 undecidable manual P 283 20.6682 114 -0.41 92
IV.AIO.HHZ. 2021-03-23T09:34:49.28 0.1 undecidable manual P 107 11.7771 128 -0.07 100
IV.ECTS.HHZ. 2021-03-23T09:34:49.31 0.3 undecidable manual P 174 13.4754 124 -0.32 71
IV.NOV.HHZ. 2021-03-23T09:34:48.50 0.1 undecidable manual P 45 3.996 156 0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ECTS.HHN. ML:2.7 0.0052699999999999995 1.78 AML other m 2021-03-23T09:34:52.98
IV.AIO.HHE. ML:2.7 0.006385 0.18 AML other m 2021-03-23T09:34:52.40
IV.AIO.HHN. ML:2.7 0.005645 0.6 AML other m 2021-03-23T09:34:52.56
IV.ECTS.HHE. ML:2.4 0.002845 0.48 AML other m 2021-03-23T09:34:52.68
IV.MUCR.HHN. ML:2.3 0.001575 1.64 AML other m 2021-03-23T09:34:53.17
IV.MUCR.HHE. ML:2.2 0.00132 1.14 AML other m 2021-03-23T09:34:54.22
IV.EMSG.HHE. ML:2.6 0.0024333685 0.2432 AML other m 2021-03-23T09:34:56.59
IV.EPIT.HHN. ML:2.6 0.00302 0.22 AML other m 2021-03-23T09:34:57.30
IV.MPNC.HHN. ML:2.3 0.001002 0.3 AML other m 2021-03-23T09:34:57.42
IV.EPIT.HHE. ML:2.6 0.002935 0.42 AML other m 2021-03-23T09:34:57.74
IV.MPNC.HHE. ML:2.2 0.00082494225 1.8016 AML other m 2021-03-23T09:34:57.97
IV.EMSG.HHN. ML:2.7 0.003255 0.28 AML other m 2021-03-23T09:34:58.60
IV.EFIU.HHE. ML:2.2 0.0008810000000000001 1.46 AML other m 2021-03-23T09:34:58.87
IV.EPZF.HHE. ML:2.6 0.0019 0.36 AML other m 2021-03-23T09:34:59.45
IV.EPZF.HHN. ML:2.6 0.0022800000000000003 0.4 AML other m 2021-03-23T09:34:59.74
IV.ESAL.HHE. ML:2.6 0.00196 0.22 AML other m 2021-03-23T09:35:00.56
IV.EFIU.HHN. ML:2.1 0.000778 0.66 AML other m 2021-03-23T09:35:01.52
IV.ESAL.HHN. ML:2.6 0.00196 0.28 AML other m 2021-03-23T09:35:01.96
IV.GALF.HHN. ML:2.4 0.0005365 0.52 AML other m 2021-03-23T09:35:08.40
IV.GALF.HHE. ML:2.5 0.000745 0.46 AML other m 2021-03-23T09:35:09.28
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
Waveforms Seismic signals in miniseed + resp format Download