Earthquake with magnitude of ML 1.5 on date 29-04-2020 and time 00:53:36 (Italy) in region 6 km S Troina (EN)

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

  • 28-04-2020 22:53:36 (UTC)
  • 29-04-2020 00:53:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.74, 14.62 at 26 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
Gagliano Castelferrato EN 8 3593 12966
Regalbuto EN 10 7277 20243
Agira EN 12 8345 28588
Cerami EN 13 2006 30594
San Teodoro ME 14 1403 31997
CesarĂ² ME 14 2439 34436
Centuripe EN 17 5470 39906
Capizzi ME 18 3176 43082
Nissoria EN 18 3000 46082
Nicosia EN 19 13899 59981
Bronte CT 20 19172 79153
Catenanuova EN 20 4866 84019

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km NW of Catania (314555 inhabitants)
50 Km W of Acireale (52622 inhabitants)
56 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)
96 Km NW of Siracusa (122291 inhabitants)
97 Km SW of Messina (238439 inhabitants)
99 Km N of Modica (54633 inhabitants)
99 Km W of Reggio di Calabria (183035 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 2020-04-28
22:53:36
37.74 14.62 26 2020-07-18
21:08:41
Bollettino Sismico Italiano INGV 80450571
Reviewed
Rev100
ML 1.4 2020-04-28
22:53:36
37.79 14.78 7 2020-04-28
23:04:28
Sala Sismica INGV-Roma 78654171
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-28 22:53:36 ± 0.31
Latitude 37.74 ± 0.01
Longitude 14.62 ± 0.02
Depth (km) 26 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 80450571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1853
Semi-minor axis of confidence ellipse (meter) 1055
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 1850
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.05036
Epicentral distance of station farthest from the epicenter (degree) 0.68348
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:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 80450571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-23 17:01:55

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 11
Type of magnitude ML
Reference to an origin 78654171
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-28 23:04:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.SSY.HHZ. 2020-04-28T22:54:00.45 0.6 undecidable manual S 148 0.6835 103 0.87 38
IV.AGST.EHZ. 2020-04-28T22:53:59.52 0.6 undecidable manual S 135 0.6817 103 -0.01 48
IV.HLNI.HHZ. 2020-04-28T22:53:53.11 0.6 undecidable manual S 153 0.438 112 0.46 47
IV.MUCR.HHE. 2020-04-28T22:53:50.88 0.6 undecidable manual S 33 0.3642 117 0.24 49
IV.MSFR.HHZ. 2020-04-28T22:53:49.72 0.6 undecidable manual S 356 0.2959 123 0.85 40
IV.AGST.EHZ. 2020-04-28T22:53:49.16 0.1 undecidable manual P 135 0.6817 103 -0.6 84
IV.SSY.HHZ. 2020-04-28T22:53:49.51 0.3 undecidable manual P 148 0.6835 103 -0.28 68
IV.RAFF.HHZ. 2020-04-28T22:53:48.20 0.1 undecidable manual P 202 0.5549 107 0.54 90
IV.HVZN.HHZ. 2020-04-28T22:53:47.80 0.3 undecidable manual P 172 0.5657 106 -0.04 74
IV.HLNI.HHZ. 2020-04-28T22:53:45.47 0.3 undecidable manual P 153 0.438 112 -0.32 71
IV.GALF.HHZ. 2020-04-28T22:53:44.28 0.6 undecidable manual S 236 0.0504 167 -0.14 53
IV.MUCR.HHE. 2020-04-28T22:53:44.40 0.1 undecidable manual P 33 0.3642 117 -0.23 100
IV.MSFR.HHZ. 2020-04-28T22:53:43.25 0.3 undecidable manual P 356 0.2959 123 -0.36 74
IV.CAGR.HHE. 2020-04-28T22:53:42.50 0.6 undecidable manual P 219 0.1502 144 0.73 45
IV.EPZF.HHZ. 2020-04-28T22:53:42.88 0.3 undecidable manual P 66 0.2059 134 0.49 72
IV.GALF.HHZ. 2020-04-28T22:53:40.32 0.1 undecidable manual P 236 0.0504 167 -0.72 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HNE. ML:1.3 0.00010935826 1.3856 AML other m 2020-04-28T22:53:44.16
IV.GALF.HHN. ML:1.6 0.00022942325 0.32 AML other m 2020-04-28T22:53:45.33
IV.GALF.HHE. ML:1.6 0.00023069285 0.4608 AML other m 2020-04-28T22:53:46.62
IV.HLNI.HHN. ML:0.9 1.81617665E-5 0.1664 AML other m 2020-04-28T22:53:54.48
IV.HLNI.HHE. ML:1 2.46408005E-5 0.192 AML other m 2020-04-28T22:53:57.04
IV.RAFF.HHE. ML:1.2 2.7945705E-5 0.4864 AML other m 2020-04-28T22:53:59.30
IV.AGST.EHE. ML:1.6 6.23887795E-5 0.1408 AML other m 2020-04-28T22:54:00.16
IV.RAFF.HHN. ML:1.2 3.1620515E-5 0.3328 AML other m 2020-04-28T22:54:00.67
IV.AGST.EHN. ML:1.8 9.071953E-5 0.1408 AML other m 2020-04-28T22:54:00.53
IV.SSY.HHE. ML:1.7 6.46909E-5 0.1408 AML other m 2020-04-28T22:54:02.48
IV.SSY.HHN. ML:2.2 0.0002164628 0.1536 AML other m 2020-04-28T22:54:04.28
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download