Earthquake with magnitude of ML 1.8 on date 08-02-2020 and time 12:28:46 (Italy) in region 7 km SE Troina (EN)

A magnitude ML 1.8 earthquake occured in region: 7 km SE Troina (EN), on

  • 08-02-2020 11:28:46 (UTC)
  • 08-02-2020 12:28:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.7340, 14.6420 at 25 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
Regalbuto EN 9 7277 16650
Gagliano Castelferrato EN 10 3593 20243
Agira EN 13 8345 28588
San Teodoro ME 14 1403 29991
CesarĂ² ME 14 2439 32430
Cerami EN 15 2006 34436
Centuripe EN 15 5470 39906
Bronte CT 18 19172 59078
Adrano CT 19 36122 95200
Catenanuova EN 19 4866 100066
Nissoria EN 19 3000 103066
Capizzi ME 19 3176 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)
90 Km N of Ragusa (73313 inhabitants)
94 Km NW of Siracusa (122291 inhabitants)
95 Km SW of Messina (238439 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 1.8 2020-02-08
11:28:46
37.7337 14.642 25 2020-07-18
21:08:20
Bollettino Sismico Italiano INGV 76622301
Reviewed
Rev100
ML 1.8 2020-02-08
11:28:46
37.756 14.6285 25 2020-02-08
11:46:38
Sala Sismica INGV-Roma 76343041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-08 11:28:46 ± 0.36
Latitude 37.7337 ± 0.0162
Longitude 14.6420 ± 0.0262
Depth (km) 25 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76622301

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2182
Semi-minor axis of confidence ellipse (meter) 1624
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 55
Circular confidence region, given by single value of horizontal uncertainty (meter) 2180.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 119
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) 0.51
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.66999
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 76622301
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-02 21:55:08

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 76343041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-08 11:46:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2020-02-08T11:29:10.24 0.3 undecidable manual S 149 74.37 103 0.67 59
IV.HAGA.HHZ. 2020-02-08T11:29:07.85 0.6 undecidable manual S 138 67.1772 104 0.14 45
IV.HLNI.HHZ. 2020-02-08T11:29:03.02 0.3 undecidable manual S 155 47.3193 111 0.37 67
IV.SSY.HHZ. 2020-02-08T11:28:59.46 0.1 undecidable manual P 149 74.37 103 -0.51 81
IV.EPZF.HHZ. 2020-02-08T11:28:58.33 0.6 undecidable manual S 62 21.3675 135 1.57 27
IV.RAFF.HHZ. 2020-02-08T11:28:58.27 0.1 undecidable manual P 204 61.7937 106 0.17 90
IV.HAGA.HHZ. 2020-02-08T11:28:58.18 0.3 undecidable manual P 138 67.1772 104 -0.72 57
IV.PLLN.EHN. 2020-02-08T11:28:57.15 0.3 undecidable manual P 303 52.3032 109 0.45 64
IV.CSLB.HHE. 2020-02-08T11:28:56.88 0.3 undecidable manual P 294 55.8996 108 -0.35 67
IV.PETRA.HHE. 2020-02-08T11:28:56.53 0.3 undecidable manual P 284 47.5191 111 0.52 62
IV.HLNI.HHZ. 2020-02-08T11:28:55.63 0.3 undecidable manual P 155 47.3193 111 -0.34 66
IV.GALF.HHZ. 2020-02-08T11:28:54.43 0.3 undecidable manual S 249 7.0929 162 -0.3 72
IV.EPZF.HHZ. 2020-02-08T11:28:52.58 0.1 undecidable manual P 62 21.3675 135 0.01 100
IV.CAGR.HHZ. 2020-02-08T11:28:52.57 0.1 undecidable manual P 225 17.5713 141 0.39 93
IV.GALF.HHZ. 2020-02-08T11:28:50.44 0.1 undecidable manual P 249 7.0929 162 -0.96 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHN. ML:2.0 0.0006575 0.3 AML other m 2020-02-08T11:28:56.67
IV.GALF.HHE. ML:1.9 0.000499 0.54 AML other m 2020-02-08T11:28:57.63
IV.CAGR.HHN. ML:1.8 0.00028500000000000004 1.18 AML other m 2020-02-08T11:29:00.19
IV.CAGR.HHE. ML:1.6 0.00020750000000000003 1.38 AML other m 2020-02-08T11:29:02.07
IV.HLNI.HHN. ML:1.5 0.0000824 0.24 AML other m 2020-02-08T11:29:05.01
IV.HLNI.HHE. ML:1.5 0.00007075000000000001 0.64 AML other m 2020-02-08T11:29:05.07
IV.SSY.HHE. ML:2.2 0.000222 0.84 AML other m 2020-02-08T11:29:11.33
IV.SSY.HHN. ML:2.4 0.00039449999999999994 0.9 AML other m 2020-02-08T11:29:16.33
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