Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 11-03-2021 and time 09:41:27 (Italy) in region 2 km NE Motta Camastra (ME)

A magnitude ML 1.9 earthquake occured in region: 2 km NE Motta Camastra (ME), on

  • 11-03-2021 08:41:27 (UTC)
  • 11-03-2021 09:41:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.9090, 15.1860 at 22 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
Motta Camastra ME 2 845 845
Graniti ME 4 1492 2337
Francavilla di Sicilia ME 4 3945 6282
Gaggi ME 6 3184 9466
Castiglione di Sicilia CT 6 3215 12681
Roccafiorita ME 8 197 12878
Mongiuffi Melia ME 8 600 13478
Linguaglossa CT 8 5403 18881
Limina ME 9 836 19717
Fondachelli-Fantina ME 9 1019 20736
Antillo ME 9 919 21655
Gallodoro ME 10 367 22022
Castelmola ME 10 1088 23110
Calatabiano CT 10 5308 28418
Taormina ME 11 10960 39378
Letojanni ME 11 2861 42239
Giardini-Naxos ME 11 9415 51654
Piedimonte Etneo CT 11 3963 55617
Malvagna ME 12 733 56350
Moio Alcantara ME 12 717 57067
Fiumefreddo di Sicilia CT 13 9623 66690
Novara di Sicilia ME 13 1337 68027
Forza d'Agrò ME 13 911 68938
Casalvecchio Siculo ME 13 842 69780
Sant'Alessio Siculo ME 14 1554 71334
Savoca ME 15 1732 73066
Mandanici ME 16 601 73667
Roccella Valdemone ME 16 666 74333
Santa Teresa di Riva ME 17 9377 83710
Mascali CT 17 14282 97992
Tripi ME 17 873 98865
Pagliara ME 18 1170 100035
Furci Siculo ME 18 3382 103417
Sant'Alfio CT 19 1582 104999
Riposto CT 20 14838 119837
Santa Domenica Vittoria ME 20 980 120817
Montalbano Elicona ME 20 2287 123104
Giarre CT 20 27659 150763
Roccalumera ME 20 4141 154904

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km N of Acireale (52622 inhabitants)
45 Km SW of Messina (238439 inhabitants)
46 Km N of Catania (314555 inhabitants)
46 Km SW of Reggio di Calabria (183035 inhabitants)
95 Km N of Siracusa (122291 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 1.9 2021-03-11
08:41:27		 37.909 15.1857 22 2021-07-12
16:55:02		 Bollettino Sismico Italiano INGV 88188011
Reviewed
Rev100 		ML 1.9 2021-03-11
08:41:27		 37.902 15.1718 22 2021-03-11
08:49:47		 Sala Sismica INGV-Roma 87993811
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-11 08:41:27 ± 0.08
Latitude 37.9090 ± 0.0036
Longitude 15.1857 ± 0.0057
Depth (km) 22 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88188011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 520
Semi-minor axis of confidence ellipse (meter) 31
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 130
Circular confidence region, given by single value of horizontal uncertainty (meter) 520.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.05756
Epicentral distance of station farthest from the epicenter (degree) 0.75633
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:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 88188011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-22 17:48:27

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 87993811
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-11 08:49:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2021-03-11T08:41:52.14 0.3 undecidable manual S 187 83.9493 99 -0.13 66
IV.MSRU.HHE. 2021-03-11T08:41:43.29 0.3 undecidable manual S 35 48.4182 107 0.28 67
IV.SSY.HHZ. 2021-03-11T08:41:41.70 0.6 undecidable manual P 187 83.9493 99 0.03 44
MN.CEL.HNZ. 2021-03-11T08:41:40.21 0.3 undecidable manual P 58 73.0713 100 0.19 65
IV.MUCR.HHZ. 2021-03-11T08:41:38.60 0.3 undecidable manual S 299 31.0467 118 -0.12 71
IV.MPNC.HHZ. 2021-03-11T08:41:38.77 0.6 undecidable manual S 29 30.1476 119 0.27 46
IV.EPZF.HHZ. 2021-03-11T08:41:38.79 0.3 undecidable manual S 252 30.2475 119 0.25 70
IV.EMSG.HHZ. 2021-03-11T08:41:37.20 0.6 undecidable manual S 245 22.8549 128 0.32 47
IV.ESPC.HHZ. 2021-03-11T08:41:37.94 0.6 undecidable manual S 210 27.75 122 -0.01 49
IV.MTTG.HHZ. 2021-03-11T08:41:36.04 0.6 undecidable manual P 77 46.2204 108 0.05 47
IV.EMFO.HHZ. 2021-03-11T08:41:36.76 0.6 undecidable manual S 204 20.9679 131 0.28 47
IV.MSRU.HHE. 2021-03-11T08:41:36.52 0.3 undecidable manual P 35 48.4182 107 0.2 68
IV.ECBD.HHZ. 2021-03-11T08:41:36.13 0.6 undecidable manual S 211 16.6722 138 0.46 46
IV.EPIT.HHZ. 2021-03-11T08:41:35.84 0.3 undecidable manual S 226 15.6732 140 0.36 70
IV.EMNR.HHZ. 2021-03-11T08:41:35.92 0.3 undecidable manual S 234 17.2716 137 0.14 73
IV.EFIU.HHZ. 2021-03-11T08:41:35.43 0.3 undecidable manual S 171 13.3755 145 0.31 71
IV.NOV.HHZ. 2021-03-11T08:41:35.13 0.3 undecidable manual S 342 13.875 144 -0.06 74
IV.EMCN.HHZ. 2021-03-11T08:41:35.90 0.6 undecidable manual S 226 18.6702 134 -0.13 49
IV.ECTS.HHE. 2021-03-11T08:41:34.03 0.6 undecidable manual S 242 6.3936 162 -0.24 48
IV.AIO.HHZ. 2021-03-11T08:41:34.32 0.3 undecidable manual S 31 8.0808 157 -0.1 75
IV.EPZF.HHZ. 2021-03-11T08:41:33.74 0.1 undecidable manual P 252 30.2475 119 0 98
IV.ESPC.HHZ. 2021-03-11T08:41:33.08 0.1 undecidable manual P 210 27.75 122 -0.32 93
IV.EMSG.HHZ. 2021-03-11T08:41:33.04 0.3 undecidable manual P 245 22.8549 128 0.26 71
IV.MUCR.HHZ. 2021-03-11T08:41:33.75 0.3 undecidable manual P 299 31.0467 118 -0.09 72
IV.MPNC.HHZ. 2021-03-11T08:41:33.83 0.3 undecidable manual P 29 30.1476 119 0.11 72
IV.ECBD.HHZ. 2021-03-11T08:41:32.05 0.1 undecidable manual P 211 16.6722 138 -0.03 100
IV.EMCN.HHZ. 2021-03-11T08:41:32.40 0.3 undecidable manual P 226 18.6702 134 0.11 73
IV.EPIT.HHZ. 2021-03-11T08:41:32.09 0.1 positive manual P 226 15.6732 140 0.12 98
IV.EMFO.HHZ. 2021-03-11T08:41:32.53 0.3 undecidable manual P 204 20.9679 131 -0.02 75
IV.EMNR.HHZ. 2021-03-11T08:41:32.05 0.1 undecidable manual P 234 17.2716 137 -0.09 98
IV.EFIU.HHZ. 2021-03-11T08:41:31.46 0.1 undecidable manual P 171 13.3755 145 -0.3 95
IV.NOV.HHZ. 2021-03-11T08:41:31.59 0.1 undecidable manual P 342 13.875 144 -0.22 96
IV.AIO.HHZ. 2021-03-11T08:41:31.14 0.1 undecidable manual P 31 8.0808 157 -0.22 98
IV.ESAL.HHZ. 2021-03-11T08:41:31.86 0.6 undecidable manual P 195 17.6712 136 -0.32 47
IV.ECTS.HHE. 2021-03-11T08:41:30.81 0.1 undecidable manual P 242 6.3936 162 -0.46 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:1.6 0.000309 0.44 AML other m 2021-03-11T08:41:34.41
IV.AIO.HHN. ML:1.8 0.00040149999999999995 1.3 AML other m 2021-03-11T08:41:35.14
IV.NOV.HHE. ML:2.2 0.0010915 0.36 AML other m 2021-03-11T08:41:35.53
IV.NOV.HHN. ML:2.0 0.000652 0.24 AML other m 2021-03-11T08:41:35.85
IV.EPIT.HHN. ML:2.1 0.00073197165 1.5392 AML other m 2021-03-11T08:41:36.99
IV.EPIT.HHE. ML:2.0 0.0006875087 0.4352 AML other m 2021-03-11T08:41:37.03
IV.MPNC.HHE. ML:1.8 0.0002245 0.24 AML other m 2021-03-11T08:41:39.45
IV.MPNC.HHN. ML:1.7 0.00019249718500000002 1.6224 AML other m 2021-03-11T08:41:39.01
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