Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 21-01-2019 and time 02:23:41 (Italy) in region 1 km NW Adrano (CT)

A magnitude ML 2.3 earthquake occured in region: 1 km NW Adrano (CT), on

  • 21-01-2019 01:23:41 (UTC)
  • 21-01-2019 02:23:41 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.6710, 14.8280 at 8 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
Adrano CT 1 36122 36122
Biancavilla CT 5 24007 60129
Santa Maria di Licodia CT 8 7641 67770
Centuripe EN 9 5470 73240
Ragalna CT 11 3924 77164
Paternò CT 12 48228 125392
Bronte CT 13 19172 144564
Belpasso CT 16 28108 172672
Catenanuova EN 17 4866 177538
Regalbuto EN 17 7277 184815
Maletto CT 18 3920 188735
Nicolosi CT 19 7463 196198
Camporotondo Etneo CT 19 5023 201221

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Catania (314555 inhabitants)
31 Km W of Acireale (52622 inhabitants)
70 Km E of Caltanissetta (63360 inhabitants)
79 Km NW of Siracusa (122291 inhabitants)
83 Km N of Ragusa (73313 inhabitants)
84 Km N of Vittoria (63339 inhabitants)
84 Km NE of Gela (75827 inhabitants)
86 Km SW of Messina (238439 inhabitants)
87 Km SW of Reggio di Calabria (183035 inhabitants)
90 Km N of Modica (54633 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 2.3 2019-01-21
01:23:41		 37.6713 14.8283 8 2019-01-21
01:31:14		 Sala Sismica INGV-Roma 64832481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-01-21 01:23:41 ± 0.12
Latitude 37.6713 ± 0.0063
Longitude 14.8283 ± 0.0114
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 64832481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 942
Semi-minor axis of confidence ellipse (meter) 164
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 97
Circular confidence region, given by single value of horizontal uncertainty (meter) 940.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
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) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 1.02523
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 64832481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-01-21 01:31:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.CEL.HHE. 2019-01-21T01:24:01.14 0.1 undecidable manual P 55 113.7972 50 0.2 83
IV.IFIL.HHE. 2019-01-21T01:23:59.11 0.1 undecidable manual P 348 101.4207 50 0.07 87
IV.MTTG.HHE. 2019-01-21T01:23:56.72 0.1 undecidable manual P 64 84.7485 50 0.25 87
IV.MSRU.HHE. 2019-01-21T01:23:56.92 0.1 undecidable manual P 42 88.6446 50 -0.14 88
IV.MILZ.HHE. 2019-01-21T01:23:55.33 0.1 undecidable manual P 28 75.2691 50 0.32 87
IV.MPNC.HHE. 2019-01-21T01:23:54.61 0.1 undecidable manual P 41 69.8745 50 0.44 86
IV.SSY.HHE. 2019-01-21T01:23:52.89 0.1 undecidable manual P 159 60.9945 50 0.09 94
IV.AIO.HHE. 2019-01-21T01:23:51.20 0.1 undecidable manual P 47 48.618 50 0.31 92
IV.AGST.EHE. 2019-01-21T01:23:51.89 0.1 undecidable manual P 143 57.8976 50 -0.44 88
IV.HAGA.HHE. 2019-01-21T01:23:50.81 0.1 undecidable manual P 146 51.6039 50 -0.55 86
IT.LNT.HGE. 2019-01-21T01:23:50.43 0.1 undecidable manual P 160 45.1215 50 0.07 97
IV.NOV.HHE. 2019-01-21T01:23:50.99 0.1 undecidable manual P 34 47.9187 50 0.21 94
IV.MUCR.HHZ. 2019-01-21T01:23:49.11 0.6 positive manual P 6 41.4252 50 -0.67 42
IV.EPZF.HHZ. 2019-01-21T01:23:48.41 0.3 undecidable manual S 8 17.0718 114 0.4 71
IV.HLNI.HHZ. 2019-01-21T01:23:48.90 0.1 undecidable manual P 174 36.0417 102 0 100
IV.EPOZ.HHE. 2019-01-21T01:23:48.50 0.1 undecidable manual P 90 31.6461 103 0.46 92
IV.CAGR.HHE. 2019-01-21T01:23:47.80 0.1 undecidable manual P 259 29.3484 104 0.2 97
IV.GALF.HHZ. 2019-01-21T01:23:47.06 0.6 positive manual P 281 23.3544 108 0.61 44
IV.ECTS.EHE. 2019-01-21T01:23:47.70 0.1 undecidable manual P 48 34.743 102 -0.94 75
IV.ESLN.HHZ. 2019-01-21T01:23:47.31 0.3 undecidable manual S 79 13.0758 120 0.56 69
IV.EMCN.HNE. 2019-01-21T01:23:46.09 0.1 undecidable manual P 54 22.3554 109 -0.17 99
IV.ESML.HHZ. 2019-01-21T01:23:46.33 0.6 undecidable manual S 143 7.3815 135 1.14 36
IV.EMSG.HHZ. 2019-01-21T01:23:45.07 0.1 undecidable manual P 33 19.6692 111 -0.68 86
IV.ENIC.HHZ. 2019-01-21T01:23:45.50 1.0 negative manual P 105 17.5713 113 0.15 25
IV.ESLN.HHZ. 2019-01-21T01:23:44.05 1.0 positive manual P 79 13.0758 120 -0.5 23
IV.EPZF.HHZ. 2019-01-21T01:23:44.81 0.1 undecidable manual P 8 17.0718 114 -0.46 94
IV.ESML.HHZ. 2019-01-21T01:23:43.16 0.1 undecidable manual P 143 7.3815 135 -0.48 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ENIC.HHE. ML:2.4 0.002 0.62 AML other m 2019-01-21T01:23:52.32
IV.ENIC.HHN. ML:2.4 0.002125 0.28 AML other m 2019-01-21T01:23:55.79
IV.HLNI.HHE. ML:2.1 0.000585 0.38 AML other m 2019-01-21T01:23:57.34
IV.GALF.HHE. ML:2.8 0.0039 0.48 AML other m 2019-01-21T01:23:58.33
IV.GALF.HNE. ML:1.9 0.000503 0.64 AML other m 2019-01-21T01:23:58.58
IV.HLNI.HHN. ML:2.1 0.0004935 0.86 AML other m 2019-01-21T01:23:58.25
IV.MUCR.HHN. ML:2.4 0.0008055 1.54 AML other m 2019-01-21T01:23:59.93
IV.MUCR.HHE. ML:2.3 0.0006775 0.88 AML other m 2019-01-21T01:24:01.74
IV.GALF.HHN. ML:2.7 0.003205 1.42 AML other m 2019-01-21T01:24:02.74
IV.GALF.HNN. ML:1.8 0.000456 1.38 AML other m 2019-01-21T01:24:02.73
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