Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 03-02-2020 and time 16:29:26 (Italy) in region 5 km SE Troina (EN)

A magnitude ML 2.2 earthquake occured in region: 5 km SE Troina (EN), on

  • 03-02-2020 15:29:26 (UTC)
  • 03-02-2020 16:29:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7440, 14.6320 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
Troina EN 6 9373 9373
Gagliano Castelferrato EN 9 3593 12966
Regalbuto EN 10 7277 20243
San Teodoro ME 13 1403 21646
Cesarò ME 13 2439 24085
Cerami EN 13 2006 26091
Agira EN 13 8345 34436
Centuripe EN 17 5470 39906
Capizzi ME 18 3176 43082
Bronte CT 18 19172 62254
Nissoria EN 19 3000 65254
Adrano CT 20 36122 101376

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km NW of Catania (314555 inhabitants)
49 Km W of Acireale (52622 inhabitants)
57 Km NE of Caltanissetta (63360 inhabitants)
83 Km NE of Gela (75827 inhabitants)
89 Km N of Vittoria (63339 inhabitants)
91 Km N of Ragusa (73313 inhabitants)
95 Km SW of Messina (238439 inhabitants)
96 Km NW of Siracusa (122291 inhabitants)
98 Km W of Reggio di Calabria (183035 inhabitants)
99 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 2.2 2020-02-03
15:29:26		 37.7438 14.6325 22 2020-07-18
21:08:27		 Bollettino Sismico Italiano INGV 77481881
Reviewed
Rev100 		ML 2.2 2020-02-03
15:29:25		 37.7498 14.6398 28 2020-02-03
15:41:04		 Sala Sismica INGV-Roma 76167351
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-03 15:29:26 ± 0.2
Latitude 37.7438 ± 0.0117
Longitude 14.6325 ± 0.0148
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77481881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1317
Semi-minor axis of confidence ellipse (meter) 463
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 247
Circular confidence region, given by single value of horizontal uncertainty (meter) 1320.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 51
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.79140
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 77481881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-24 16:58:52

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 76167351
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-03 15:41:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2020-02-03T15:29:49.60 0.3 undecidable manual S 149 75.7686 99 0.2 66
IV.RAFF.HHZ. 2020-02-03T15:29:48.49 0.3 undecidable manual S 202 62.493 102 2.56 16
IV.HLNI.HHZ. 2020-02-03T15:29:42.13 0.6 undecidable manual S 154 48.618 106 -0.2 46
IV.CLTA.HHN. 2020-02-03T15:29:42.31 0.3 undecidable manual P 222 87.8454 98 0.75 56
IV.MUCR.HHZ. 2020-02-03T15:29:39.98 0.3 undecidable manual S 32 39.3273 110 0.01 73
IV.SSY.HHZ. 2020-02-03T15:29:39.01 0.3 undecidable manual P 149 75.7686 99 -0.71 57
IV.MSFR.HHZ. 2020-02-03T15:29:38.72 0.6 undecidable manual S 354 32.3454 115 0.46 45
IV.RAFF.HHZ. 2020-02-03T15:29:37.68 0.3 undecidable manual P 202 62.493 102 -0.04 69
IV.CSLB.HHE. 2020-02-03T15:29:36.13 0.3 undecidable manual P 293 54.7008 104 -0.42 65
IV.EPZF.HHZ. 2020-02-03T15:29:36.14 0.6 undecidable manual S 66 21.5673 128 0.34 47
IV.RESU.HHZ. 2020-02-03T15:29:36.82 0.6 undecidable manual P 258 51.7038 105 0.73 40
IV.PLLN.EHN. 2020-02-03T15:29:35.84 1.0 undecidable manual P 303 51.0156 105 -0.15 23
IV.HLNI.HHZ. 2020-02-03T15:29:34.79 0.1 undecidable manual P 154 48.618 106 -0.85 75
IV.ENIC.HHE. 2020-02-03T15:29:34.86 0.6 undecidable manual P 110 36.3414 112 1.01 36
IV.MUCR.HHZ. 2020-02-03T15:29:33.79 0.1 undecidable manual P 32 39.3273 110 -0.49 90
IV.GALF.HHZ. 2020-02-03T15:29:33.56 0.3 undecidable manual S 238 6.8931 160 0.13 77
IV.EMSG.HHZ. 2020-02-03T15:29:33.29 0.3 undecidable manual P 73 29.0487 119 0.45 68
IV.ECHR.HHE. 2020-02-03T15:29:32.54 0.6 undecidable manual P 104 25.4523 123 0.19 48
IV.MSFR.HHZ. 2020-02-03T15:29:32.89 0.1 undecidable manual P 354 32.3454 115 -0.4 92
IV.CAGR.HHE. 2020-02-03T15:29:31.93 0.3 undecidable manual P 221 17.871 134 0.5 70
IV.EPZF.HHZ. 2020-02-03T15:29:31.91 0.1 undecidable manual P 66 21.5673 128 0.04 100
IV.GALF.HHZ. 2020-02-03T15:29:29.88 0.1 undecidable manual P 238 6.8931 160 -0.62 88
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HNE. ML:1.6 0.000317 0.54 AML other m 2020-02-03T15:29:34.01
IV.GALF.HHN. ML:2.5 0.00217 0.44 AML other m 2020-02-03T15:29:34.48
IV.GALF.HHE. ML:2.5 0.0022 1.78 AML other m 2020-02-03T15:29:34.90
IV.GALF.HNN. ML:1.6 0.0003095 0.92 AML other m 2020-02-03T15:29:34.48
IV.EPZF.HHN. ML:2.3 0.0010409999999999998 1.58 AML other m 2020-02-03T15:29:38.20
IV.EPZF.HHE. ML:2.2 0.0008265 1.06 AML other m 2020-02-03T15:29:39.32
IV.MSFR.HHE. ML:1.7 0.00017199999999999998 1.16 AML other m 2020-02-03T15:29:39.61
IV.MSFR.HHN. ML:1.6 0.0001485 1.06 AML other m 2020-02-03T15:29:40.62
IV.MUCR.HHE. ML:2.2 0.00044500000000000003 0.34 AML other m 2020-02-03T15:29:40.73
IV.MUCR.HHN. ML:2.2 0.0004345 0.68 AML other m 2020-02-03T15:29:40.22
IV.HLNI.HHE. ML:2.0 0.0002475 0.58 AML other m 2020-02-03T15:29:44.31
IV.HLNI.HHN. ML:2.0 0.0002445 1.14 AML other m 2020-02-03T15:29:44.21
IV.RAFF.HHN. ML:2.2 0.000322 0.26 AML other m 2020-02-03T15:29:50.79
IV.RAFF.HHE. ML:2.2 0.000277 0.34 AML other m 2020-02-03T15:29:50.80
IV.SSY.HHE. ML:2.6 0.0005574999999999999 1.2 AML other m 2020-02-03T15:29:51.26
IV.SSY.HHN. ML:3.0 0.001375 1.76 AML other m 2020-02-03T15:29:53.94
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