Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 12-02-2019 and time 00:33:21 (Italy) in region 10 km NE Regalbuto (EN)

A magnitude ML 2.0 earthquake occured in region: 10 km NE Regalbuto (EN), on

  • 11-02-2019 23:33:21 (UTC)
  • 12-02-2019 00:33:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7200, 14.7170 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
Regalbuto EN 10 7277 7277
Centuripe EN 11 5470 12747
Adrano CT 12 36122 48869
Troina EN 13 9373 58242
Bronte CT 13 19172 77414
Cesarò ME 14 2439 79853
San Teodoro ME 14 1403 81256
Gagliano Castelferrato EN 16 3593 84849
Biancavilla CT 16 24007 108856
Catenanuova EN 17 4866 113722
Maniace CT 18 3765 117487
Maletto CT 18 3920 121407
Agira EN 18 8345 129752
Santa Maria di Licodia CT 19 7641 137393

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NW of Catania (314555 inhabitants)
41 Km W of Acireale (52622 inhabitants)
63 Km E of Caltanissetta (63360 inhabitants)
84 Km NE of Gela (75827 inhabitants)
87 Km N of Vittoria (63339 inhabitants)
88 Km N of Ragusa (73313 inhabitants)
89 Km NW of Siracusa (122291 inhabitants)
91 Km SW of Messina (238439 inhabitants)
92 Km SW of Reggio di Calabria (183035 inhabitants)
96 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
Bulletin
Rev1000 		ML 2.0 2019-02-11
23:33:21		 37.7202 14.7168 28 2019-08-22
08:24:59		 Bollettino Sismico Italiano INGV 68752521
Reviewed
Rev100 		ML 2.0 2019-02-11
23:33:21		 37.7332 14.7217 30 2019-02-11
23:46:07		 Sala Sismica INGV-Roma 65420071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-11 23:33:21 ± 0.27
Latitude 37.7202 ± 0.0081
Longitude 14.7168 ± 0.0136
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 68752521

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1091
Semi-minor axis of confidence ellipse (meter) 763
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) 1090.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.11961
Epicentral distance of station farthest from the epicenter (degree) 0.62953
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 68752521
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-21 09:36:43

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 3
Type of magnitude ML
Reference to an origin 65420071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-11 23:46:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHZ. 2019-02-11T23:33:43.25 0.6 undecidable manual S 139 68.2761 107 0.05 61
IV.HLNI.HHZ. 2019-02-11T23:33:37.32 0.6 undecidable manual S 162 43.4232 117 0.28 60
IV.MUCR.HHE. 2019-02-11T23:33:36.34 1.0 undecidable manual S 21 38.3283 121 0.49 29
IV.SSY.HHZ. 2019-02-11T23:33:34.31 0.6 undecidable manual P 153 69.8745 107 -0.09 59
IV.AGST.EHZ. 2019-02-11T23:33:33.63 0.6 undecidable manual P 139 68.2761 107 -0.54 53
IV.RAFF.HHZ. 2019-02-11T23:33:33.81 0.3 undecidable manual P 210 63.3921 108 0.36 85
IV.ENIC.HHZ. 2019-02-11T23:33:32.33 3.0 undecidable manual P 28.5492 3.64 0
IV.AIO.HHE. 2019-02-11T23:33:32.39 0.6 undecidable manual P 58 53.1024 112 0.43 57
IV.EPZF.HHZ. 2019-02-11T23:33:31.62 1.0 undecidable manual S 47 16.872 146 0 33
IV.GALF.HHZ. 2019-02-11T23:33:31.09 0.6 undecidable manual S 266 13.2756 152 -0.02 66
IV.EPOZ.HHZ. 2019-02-11T23:33:30.77 0.6 undecidable manual P 97 41.7249 119 0.39 59
IV.HLNI.HHZ. 2019-02-11T23:33:30.31 0.3 undecidable manual P 162 43.4232 117 -0.3 90
IV.MUCR.HHE. 2019-02-11T23:33:29.83 0.6 undecidable manual P 21 38.3283 121 -0.1 63
IV.CAGR.HHZ. 2019-02-11T23:33:28.56 3.0 undecidable manual P 21.9669 0.6 0
IV.GALF.HHZ. 2019-02-11T23:33:27.07 0.3 undecidable manual P 266 13.2756 152 -0.12 100
IV.EMSG.HHZ. 2019-02-11T23:33:27.86 1.0 undecidable manual P 61 23.2545 136 -0.24 31
IV.EPZF.HHZ. 2019-02-11T23:33:27.13 0.6 undecidable manual P 47 16.872 146 -0.34 62
IV.ESML.HHZ. 2019-02-11T23:33:27.42 1.0 undecidable manual P 128 18.1707 144 -0.18 32
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHN. ML:2.0 0.00049207115 0.256 AML other m 2019-02-11T23:33:33.22
IV.GALF.HNE. ML:1.5 0.00013821547500000002 0.5632 AML other m 2019-02-11T23:33:33.25
IV.GALF.HHE. ML:2.2 0.0007162260499999999 0.4352 AML other m 2019-02-11T23:33:32.79
IV.ESML.HHE. ML:1.6 0.00016763577000000003 0.6144 AML other m 2019-02-11T23:33:42.31
IV.ESML.HHN. ML:1.6 0.00019755145 1.3056 AML other m 2019-02-11T23:33:41.90
IV.EMSG.HHN. ML:2.1 0.0005700967999999999 0.896 AML other m 2019-02-11T23:33:41.12
IV.EMSG.HHE. ML:2.2 0.0006112785 0.7168 AML other m 2019-02-11T23:33:41.22
IV.AGST.EHE. ML:2.0 0.0001694374 2.0224 AML other m 2019-02-11T23:34:02.59
IV.AGST.EHN. ML:2.0 0.00016877854 1.3184 AML other m 2019-02-11T23:33:58.74
IV.SSY.HHE. ML:2.3 0.00032744774999999995 1.1008 AML other m 2019-02-11T23:33:54.73
IV.SSY.HHN. ML:2.2 0.00026856005 0.7424 AML other m 2019-02-11T23:34:02.72
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