Earthquake with magnitude of ML 1.7 on date 16-02-2020 and time 17:08:38 (Italy) in region 7 km S Troina (EN)

A magnitude ML 1.7 earthquake occured in region: 7 km S Troina (EN), on

  • 16-02-2020 16:08:38 (UTC)
  • 16-02-2020 17:08:38 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.73, 14.61 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 7 9373 9373
Gagliano Castelferrato EN 7 3593 12966
Regalbuto EN 8 7277 20243
Agira EN 11 8345 28588
Cerami EN 13 2006 30594
San Teodoro ME 16 1403 31997
CesarĂ² ME 16 2439 34436
Centuripe EN 16 5470 39906
Nissoria EN 16 3000 42906
Capizzi ME 18 3176 46082
Catenanuova EN 19 4866 50948
Nicosia EN 19 13899 64847
Assoro EN 20 5191 70038

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km NW of Catania (314555 inhabitants)
50 Km W of Acireale (52622 inhabitants)
55 Km NE of Caltanissetta (63360 inhabitants)
80 Km NE of Gela (75827 inhabitants)
87 Km N of Vittoria (63339 inhabitants)
90 Km N of Ragusa (73313 inhabitants)
95 Km NW of Siracusa (122291 inhabitants)
97 Km N of Modica (54633 inhabitants)
98 Km SW of Messina (238439 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 1.7 2020-02-16
16:08:38
37.73 14.61 21 2020-07-18
21:08:32
Bollettino Sismico Italiano INGV 78192681
Reviewed
Rev100
ML 1.5 2020-02-16
16:08:39
37.68 14.7 7 2020-02-16
16:13:26
Sala Sismica INGV-Roma 76571241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-16 16:08:38 ± 0.22
Latitude 37.73 ± 0.01
Longitude 14.61 ± 0.01
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 78192681

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1191
Semi-minor axis of confidence ellipse (meter) 1078
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 174
Circular confidence region, given by single value of horizontal uncertainty (meter) 1190
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.04137
Epicentral distance of station farthest from the epicenter (degree) 0.61514
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 78192681
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-14 10:48:23

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 10
Type of magnitude ML
Reference to an origin 76571241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-16 16:13:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.HAGA.HHZ. 2020-02-16T16:08:59.36 0.3 undecidable manual S 136 0.6151 100 -0.05 72
IV.RAFF.HHZ. 2020-02-16T16:08:58.09 0.3 undecidable manual S 202 0.5414 101 0.81 58
IV.AIO.HHZ. 2020-02-16T16:08:57.69 0.3 undecidable manual S 63 0.5459 101 0.29 69
IV.HLNI.HHZ. 2020-02-16T16:08:54.41 0.3 undecidable manual S 152 0.429 105 0.38 69
IV.RAFF.HHZ. 2020-02-16T16:08:49.54 0.3 undecidable manual P 202 0.5414 101 0.19 70
IV.HAGA.HHZ. 2020-02-16T16:08:49.65 0.3 undecidable manual P 136 0.6151 100 -0.93 55
IV.AIO.HHZ. 2020-02-16T16:08:48.67 0.3 undecidable manual P 63 0.5459 101 -0.75 60
IV.EPZF.HHZ. 2020-02-16T16:08:48.78 0.3 undecidable manual S 63 0.2149 123 0.6 68
IV.PETRA.HHZ. 2020-02-16T16:08:47.32 0.6 undecidable manual P 285 0.4092 106 0.18 48
IV.HLNI.HHZ. 2020-02-16T16:08:46.76 0.1 undecidable manual P 152 0.429 105 -0.71 83
IV.ECHR.HHE. 2020-02-16T16:08:45.22 0.3 undecidable manual P 100 0.2392 120 0.77 63
IV.EMSG.HHN. 2020-02-16T16:08:45.17 0.3 undecidable manual P 70 0.2815 115 0.09 76
IV.GALF.HHZ. 2020-02-16T16:08:44.97 0.3 undecidable manual S 248 0.0414 166 -0.08 78
IV.ESML.HHE. 2020-02-16T16:08:44.64 0.3 undecidable manual P 117 0.2356 120 0.24 74
IV.ESLN.HHZ. 2020-02-16T16:08:44.82 0.3 undecidable manual P 96 0.2869 114 -0.35 72
IV.CAGR.HHE. 2020-02-16T16:08:43.56 0.3 undecidable manual P 221 0.1385 138 0.47 72
IV.EPZF.HHZ. 2020-02-16T16:08:43.91 0.1 undecidable manual P 63 0.2149 123 -0.18 100
IV.GALF.HHZ. 2020-02-16T16:08:41.74 0.1 undecidable manual P 248 0.0414 166 -0.55 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHN. ML:1.9 0.000656 0.26 AML other m 2020-02-16T16:08:45.64
IV.GALF.HHE. ML:1.9 0.0006765 1.26 AML other m 2020-02-16T16:08:46.12
IV.EPZF.HHN. ML:1.9 0.0003635 0.46 AML other m 2020-02-16T16:08:54.53
IV.EPZF.HHE. ML:1.8 0.0002955 0.5 AML other m 2020-02-16T16:08:54.88
IV.HLNI.HHE. ML:1.6 0.0001105 0.52 AML other m 2020-02-16T16:08:55.89
IV.HLNI.HHN. ML:1.6 0.00010285 1.26 AML other m 2020-02-16T16:08:55.67
IV.PETRA.HHN. ML:1.4 5.8E-5 0.56 AML other m 2020-02-16T16:08:58.99
IV.AIO.HHN. ML:1.5 5.98E-5 0.36 AML other m 2020-02-16T16:08:59.39
IV.AIO.HHE. ML:1.5 6.28E-5 1.28 AML other m 2020-02-16T16:09:01.66
IV.PETRA.HHE. ML:1.3 5.33E-5 0.66 AML other m 2020-02-16T16:09:02.52
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download