Earthquake with magnitude of ML 1.5 on date 16-02-2020 and time 19:15:47 (Italy) in region 4 km S Troina (EN)

A magnitude ML 1.5 earthquake occured in region: 4 km S Troina (EN), on

  • 16-02-2020 18:15:47 (UTC)
  • 16-02-2020 19:15:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.75, 14.6 at 23 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 4 9373 9373
Gagliano Castelferrato EN 8 3593 12966
Cerami EN 11 2006 14972
Regalbuto EN 12 7277 22249
Agira EN 13 8345 30594
San Teodoro ME 14 1403 31997
CesarĂ² ME 14 2439 34436
Capizzi ME 15 3176 37612
Nissoria EN 17 3000 40612
Nicosia EN 18 13899 54511
Centuripe EN 19 5470 59981

Municipalities with at least 50000 inhabitants

An earthquake occurred to
51 Km NW of Catania (314555 inhabitants)
52 Km W of Acireale (52622 inhabitants)
56 Km NE of Caltanissetta (63360 inhabitants)
83 Km NE of Gela (75827 inhabitants)
90 Km N of Vittoria (63339 inhabitants)
93 Km N of Ragusa (73313 inhabitants)
97 Km SW of Messina (238439 inhabitants)
98 Km NW of Siracusa (122291 inhabitants)
100 Km W of Reggio di Calabria (183035 inhabitants)
100 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 2020-02-16
18:15:47
37.75 14.6 23 2020-07-18
21:08:32
Bollettino Sismico Italiano INGV 78192821
Reviewed
Rev100
ML 1.6 2020-02-16
18:15:46
37.76 14.58 27 2020-02-16
18:37:16
Sala Sismica INGV-Roma 76573241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-16 18:15:47 ± 0.27
Latitude 37.75 ± 0.01
Longitude 14.60 ± 0.02
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78192821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1708
Semi-minor axis of confidence ellipse (meter) 773
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 115
Circular confidence region, given by single value of horizontal uncertainty (meter) 1710
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.54
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.70237
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 78192821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-14 10:59:08

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 76573241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-16 18:37:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SSY.HHZ. 2020-02-16T18:16:11.11 0.3 undecidable manual S 148 0.7024 100 0.35 63
IV.RAFF.HHZ. 2020-02-16T18:16:07.28 0.3 undecidable manual S 200 0.5639 103 0.53 63
IV.HLNI.HHZ. 2020-02-16T18:16:03.75 0.3 undecidable manual S 152 0.4569 107 0.08 70
IV.MUCR.HHZ. 2020-02-16T18:16:01.11 0.3 undecidable manual S 36 0.3588 112 0.17 71
IV.SSY.HHZ. 2020-02-16T18:15:59.99 0.3 undecidable manual P 148 0.7024 100 -0.82 55
IV.RAFF.HHZ. 2020-02-16T18:15:58.79 0.1 undecidable manual P 200 0.5639 103 0.29 89
IV.EPZF.HHZ. 2020-02-16T18:15:57.81 0.3 undecidable manual S 70 0.2113 128 0.69 62
IV.CSLB.HHZ. 2020-02-16T18:15:56.01 0.3 undecidable manual P 293 0.4685 106 -0.91 53
IV.PETRA.HHN. 2020-02-16T18:15:56.91 0.3 undecidable manual P 282 0.3948 110 1.19 50
IV.HLNI.HHZ. 2020-02-16T18:15:55.89 0.1 undecidable manual P 152 0.4569 107 -0.83 77
IV.MUCR.HHZ. 2020-02-16T18:15:54.88 0.1 undecidable manual P 36 0.3588 112 -0.26 93
IV.GALF.HHZ. 2020-02-16T18:15:54.17 0.3 undecidable manual S 215 0.0522 164 -0.19 74
IV.CAGR.HHE. 2020-02-16T18:15:52.92 0.3 undecidable manual P 212 0.1556 138 0.7 65
IV.EPZF.HHZ. 2020-02-16T18:15:52.97 0.1 undecidable manual P 70 0.2113 128 0.03 100
IV.GALF.HHZ. 2020-02-16T18:15:50.86 0.1 undecidable manual P 215 0.0522 164 -0.49 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HNN. ML:1.2 0.00011186226 0.3456 AML other m 2020-02-16T18:15:54.57
IV.GALF.HHN. ML:1.7 0.00034674575 0.2816 AML other m 2020-02-16T18:15:54.73
IV.GALF.HNE. ML:1.2 0.000116912685 0.7296 AML other m 2020-02-16T18:16:00.65
IV.GALF.HHE. ML:1.7 0.0003396461 0.2176 AML other m 2020-02-16T18:15:55.21
IV.EPZF.HHN. ML:1.6 0.0001974413 0.3712 AML other m 2020-02-16T18:15:59.21
IV.EPZF.HHE. ML:1.5 0.00016044625 0.5376 AML other m 2020-02-16T18:16:03.98
IV.MUCR.HHE. ML:1.3 6.4842035E-5 0.4352 AML other m 2020-02-16T18:16:02.32
IV.MUCR.HHN. ML:1.3 5.894121E-5 0.3712 AML other m 2020-02-16T18:16:02.49
IV.HLNI.HHE. ML:1.3 4.516277E-5 0.1408 AML other m 2020-02-16T18:16:08.67
IV.HLNI.HHN. ML:1.3 4.528933E-5 0.2048 AML other m 2020-02-16T18:16:06.36
IV.RAFF.HHE. ML:1.5 6.166873E-5 1.4336 AML other m 2020-02-16T18:16:05.03
IV.RAFF.HHN. ML:1.5 5.606705E-5 0.3328 AML other m 2020-02-16T18:16:11.62
IV.SSY.HHE. ML:1.9 0.00010260842 0.3968 AML other m 2020-02-16T18:16:15.91
IV.SSY.HHN. ML:2.3 0.0002951893 0.256 AML other m 2020-02-16T18:16:13.57
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