Earthquake with magnitude of ML 1.5 on date 17-02-2020 and time 20:12:40 (Italy) in region 6 km SE Troina (EN)

A magnitude ML 1.5 earthquake occured in region: 6 km SE Troina (EN), on

  • 17-02-2020 19:12:40 (UTC)
  • 17-02-2020 20:12:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7400, 14.6410 at 21 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.

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
Regalbuto EN 10 7277 16650
Gagliano Castelferrato EN 10 3593 20243
San Teodoro ME 13 1403 21646
CesarĂ² ME 13 2439 24085
Agira EN 14 8345 32430
Cerami EN 14 2006 34436
Centuripe EN 16 5470 39906
Bronte CT 18 19172 59078
Capizzi ME 19 3176 62254
Adrano CT 19 36122 98376
Nissoria EN 19 3000 101376
Catenanuova EN 20 4866 106242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km NW of Catania (314555 inhabitants)
48 Km W of Acireale (52622 inhabitants)
58 Km NE of Caltanissetta (63360 inhabitants)
82 Km NE of Gela (75827 inhabitants)
88 Km N of Vittoria (63339 inhabitants)
91 Km N of Ragusa (73313 inhabitants)
95 Km SW of Messina (238439 inhabitants)
95 Km NW of Siracusa (122291 inhabitants)
97 Km W of Reggio di Calabria (183035 inhabitants)
98 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 1.5 2020-02-17
19:12:40
37.74 14.6412 21 2020-07-18
21:08:25
Bollettino Sismico Italiano INGV 77193421
Reviewed
Rev100
ML 1.4 2020-02-17
19:12:41
37.7433 14.6635 10 2020-02-17
19:38:18
Sala Sismica INGV-Roma 76607921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-17 19:12:40 ± 0.23
Latitude 37.7400 ± 0.0090
Longitude 14.6412 ± 0.0136
Depth (km) 21 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77193421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1223
Semi-minor axis of confidence ellipse (meter) 526
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 108
Circular confidence region, given by single value of horizontal uncertainty (meter) 1220.0
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 16
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67539
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 77193421
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-11 15:18:34

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 76607921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-17 19:38:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HLNI.HHZ. 2020-02-17T19:12:56.83 0.3 undecidable manual S 155 47.9187 105 0.34 70
IV.MUCR.HHZ. 2020-02-17T19:12:54.45 0.3 undecidable manual S 31 39.3273 110 0.16 73
IV.SSY.HHZ. 2020-02-17T19:12:53.48 0.3 undecidable manual P 149 74.9694 99 -0.49 65
IV.MSFR.HHZ. 2020-02-17T19:12:52.75 0.3 undecidable manual S 352 32.9448 114 0.05 77
IV.RAFF.HHZ. 2020-02-17T19:12:52.38 0.3 undecidable manual P 203 62.3931 101 0.32 68
IV.CSLB.HHE. 2020-02-17T19:12:50.57 0.3 undecidable manual P 293 55.5999 103 -0.47 67
IV.EPZF.HHZ. 2020-02-17T19:12:50.11 0.6 undecidable manual S 64 21.0678 128 0.12 51
IV.PETRA.HHE. 2020-02-17T19:12:50.45 0.3 undecidable manual P 283 47.3193 106 0.66 64
IV.HLNI.HHZ. 2020-02-17T19:12:49.36 0.3 undecidable manual P 155 47.9187 105 -0.53 68
IV.ESML.HHZ. 2020-02-17T19:12:48.37 3.0 undecidable manual P 0
IV.MUCR.HHZ. 2020-02-17T19:12:48.49 0.1 undecidable manual P 31 39.3273 110 -0.13 100
IV.GALF.HHZ. 2020-02-17T19:12:47.56 0.3 undecidable manual S 244 7.2927 158 -0.17 77
IV.MSFR.HHZ. 2020-02-17T19:12:47.42 0.3 undecidable manual P 352 32.9448 114 -0.28 73
IV.EPZF.HHZ. 2020-02-17T19:12:46.56 0.3 undecidable manual P 64 21.0678 128 0.42 72
IV.CAGR.HHE. 2020-02-17T19:12:46.40 0.3 undecidable manual P 224 18.0708 133 0.62 69
IV.GALF.HHZ. 2020-02-17T19:12:44.40 0.1 undecidable manual P 244 7.2927 158 -0.44 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHN. ML:1.8 0.00044750000000000004 1.7 AML other m 2020-02-17T19:12:53.86
IV.GALF.HHE. ML:1.8 0.0004205 0.72 AML other m 2020-02-17T19:12:53.41
IV.MUCR.HHN. ML:1.4 0.00007805000000000001 0.62 AML other m 2020-02-17T19:12:55.57
IV.MUCR.HHE. ML:1.4 0.0000756 0.76 AML other m 2020-02-17T19:12:56.03
IV.HLNI.HHN. ML:1.2 0.00004745 0.94 AML other m 2020-02-17T19:12:59.28
IV.HLNI.HHE. ML:1.4 0.0000578 1.48 AML other m 2020-02-17T19:13:02.16
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