Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 06-03-2018 and time 19:52:22 (Italy) in region 8 km SE Maletto (CT)

A magnitude ML 2.2 earthquake occured in region: 8 km SE Maletto (CT), on

  • 06-03-2018 18:52:22 (UTC)
  • 06-03-2018 19:52:22 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7770, 14.9330 at 28 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
Maletto CT 8 3920 3920
Bronte CT 9 19172 23092
Randazzo CT 11 10900 33992
Maniace CT 15 3765 37757
Adrano CT 15 36122 73879
Santa Domenica Vittoria ME 16 980 74859
Biancavilla CT 16 24007 98866
Ragalna CT 16 3924 102790
Milo CT 17 1087 103877
Moio Alcantara ME 17 717 104594
Zafferana Etnea CT 18 9517 114111
Santa Maria di Licodia CT 18 7641 121752
Roccella Valdemone ME 19 666 122418
Sant'Alfio CT 19 1582 124000
Malvagna ME 19 733 124733
Nicolosi CT 20 7463 132196

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of Acireale (52622 inhabitants)
33 Km NW of Catania (314555 inhabitants)
72 Km SW of Messina (238439 inhabitants)
73 Km SW of Reggio di Calabria (183035 inhabitants)
83 Km E of Caltanissetta (63360 inhabitants)
86 Km NW of Siracusa (122291 inhabitants)
96 Km N of Ragusa (73313 inhabitants)
98 Km NE of Vittoria (63339 inhabitants)
99 Km NE of Gela (75827 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 2.2 2018-03-06
18:52:22		 37.7768 14.9328 28 2019-04-24
14:49:32		 Bollettino Sismico Italiano INGV 56765731
Reviewed
Rev100 		ML 2.2 2018-03-06
18:52:22		 37.7777 14.9173 25 2018-03-06
19:03:51		 Sala Sismica INGV-Roma 54376391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-03-06 18:52:22 ± 0.25
Latitude 37.7768 ± 0.0063
Longitude 14.9328 ± 0.0148
Depth (km) 28 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 56765731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1245
Semi-minor axis of confidence ellipse (meter) 340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 87
Circular confidence region, given by single value of horizontal uncertainty (meter) 1250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
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) 0.04587
Epicentral distance of station farthest from the epicenter (degree) 0.62863
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 56765731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2018-05-11 16:46:54

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 54376391
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-03-06 19:03:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2018-03-06T18:52:44.40 0.3 undecidable manual S 170 69.7746 106 0.29 66
IV.AGST.EHE. 2018-03-06T18:52:42.56 0.3 undecidable manual S 156 63.2922 108 0.13 69
IV.HAGA.HHZ. 2018-03-06T18:52:41.22 0.3 undecidable manual S 160 57.9975 109 0.12 70
IV.MPNC.HHN. 2018-03-06T18:52:41.04 0.6 undecidable manual S 42 55.0005 111 0.67 40
IV.HLNI.HHZ. 2018-03-06T18:52:38.40 0.3 undecidable manual S 186 47.8188 114 -0.18 71
IV.AIO.HHZ. 2018-03-06T18:52:35.70 0.3 undecidable manual S 51 34.0437 123 0.37 69
IV.GALF.HHZ. 2018-03-06T18:52:35.92 0.6 undecidable manual S 257 32.9448 124 0.82 41
IV.NOV.HHZ. 2018-03-06T18:52:35.63 0.6 undecidable manual S 33 33.0447 124 0.51 45
IV.IVPL.HHZ. 2018-03-06T18:52:34.93 0.3 undecidable manual P 4 66.5778 107 0.46 64
IV.MUCR.HHE. 2018-03-06T18:52:34.19 0.3 undecidable manual S 350 29.9478 127 -0.27 72
IV.SSY.HHZ. 2018-03-06T18:52:34.77 0.3 undecidable manual P 170 69.7746 106 -0.16 69
IV.AGST.EHE. 2018-03-06T18:52:33.51 0.3 undecidable manual P 156 63.2922 108 -0.46 65
IV.MPNC.HHN. 2018-03-06T18:52:32.94 0.3 undecidable manual P 42 55.0005 111 0.16 69
IV.CAGR.HHE. 2018-03-06T18:52:32.26 0.1 undecidable manual P 246 41.7249 118 1.36 60
IV.HAGA.HHZ. 2018-03-06T18:52:32.77 0.3 undecidable manual P 160 57.9975 109 -0.42 67
IV.ESLN.HHZ. 2018-03-06T18:52:31.59 0.3 undecidable manual S 159 9.9789 158 0.46 72
IV.HLNI.HHZ. 2018-03-06T18:52:31.32 0.3 undecidable manual P 186 47.8188 114 -0.42 68
IV.EPZF.HHZ. 2018-03-06T18:52:30.48 0.6 undecidable manual S 308 8.4804 161 -0.52 46
IV.NOV.HHZ. 2018-03-06T18:52:29.49 0.3 undecidable manual P 33 33.0447 124 -0.26 72
IV.EPOZ.HNZ. 2018-03-06T18:52:29.08 0.3 undecidable manual P 117 25.2525 133 0.27 72
IV.AIO.HHZ. 2018-03-06T18:52:29.80 0.1 undecidable manual P 51 34.0437 123 -0.07 100
IV.GALF.HHZ. 2018-03-06T18:52:29.85 0.3 undecidable manual P 257 32.9448 124 0.11 74
IV.ESML.HHZ. 2018-03-06T18:52:28.17 0.3 undecidable manual P 195 18.2706 143 0.09 76
IV.MUCR.HHE. 2018-03-06T18:52:28.97 0.3 undecidable manual P 350 29.9478 127 -0.4 70
IV.EPZF.HHZ. 2018-03-06T18:52:26.81 0.1 undecidable manual P 308 8.4804 161 -0.55 92
IV.ESLN.HHZ. 2018-03-06T18:52:26.92 0.6 undecidable manual P 159 9.9789 158 -0.52 47
IV.EMSG.HHZ. 2018-03-06T18:52:26.51 0.1 positive manual P 17 5.0949 168 -0.72 87
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.EMSG.HHN. ML:2.5 0.0017778305 0.32 AML other m 2018-03-06T18:52:31.55
IV.EMSG.HHE. ML:2.6 0.0020917124999999996 0.2432 AML other m 2018-03-06T18:52:33.59
IV.ESLN.HHN. ML:2.1 0.00067508045 0.2688 AML other m 2018-03-06T18:52:31.72
IV.ESLN.HHE. ML:2.2 0.0007920178499999999 0.5248 AML other m 2018-03-06T18:52:34.90
IV.ESML.HHN. ML:2.1 0.0005554283 0.512 AML other m 2018-03-06T18:52:34.18
IV.ESML.HHE. ML:2.0 0.00050086895 0.5248 AML other m 2018-03-06T18:52:39.62
IV.HLNI.HHN. ML:2.1 0.00028136 0.2432 AML other m 2018-03-06T18:52:39.42
IV.HLNI.HHE. ML:1.8 0.0001493965 0.2304 AML other m 2018-03-06T18:52:39.00
IV.SSY.HHN. ML:2.6 0.0005512794 0.1408 AML other m 2018-03-06T18:52:48.06
IV.SSY.HHE. ML:2.1 0.0001886586 0.3584 AML other m 2018-03-06T18:52:44.65
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