Earthquake with magnitude of ML 1.7 on date 21-06-2023 and time 02:35:58 (Italy) in region 5 km N Troina (EN)

A magnitude ML 1.7 earthquake occured in region: 5 km N Troina (EN), on

  • 21-06-2023 00:35:58 (UTC)
  • 21-06-2023 02:35:58 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.8290, 14.5850 at 36 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 5 9373 9373
Cerami EN 7 2006 11379
Capizzi ME 10 3176 14555
San Teodoro ME 10 1403 15958
CesarĂ² ME 11 2439 18397
Gagliano Castelferrato EN 14 3593 21990
Nicosia EN 19 13899 35889
Agira EN 20 8345 44234

Municipalities with at least 50000 inhabitants

An earthquake occurred to
57 Km W of Acireale (52622 inhabitants)
57 Km NW of Catania (314555 inhabitants)
59 Km NE of Caltanissetta (63360 inhabitants)
90 Km NE of Gela (75827 inhabitants)
94 Km W of Messina (238439 inhabitants)
98 Km N of Vittoria (63339 inhabitants)
98 Km W of Reggio di Calabria (183035 inhabitants)
98 Km E of Bagheria (55387 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
Reviewed
Rev100
ML 1.7 2023-06-21
00:35:58
37.8292 14.5853 36 2023-06-21
00:49:44
Sala Sismica INGV-Roma 118596191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-21 00:35:58 ± 0.21
Latitude 37.8292 ± 0.0126
Longitude 14.5853 ± 0.0182
Depth (km) 36 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118596191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1762
Semi-minor axis of confidence ellipse (meter) 988
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 48
Circular confidence region, given by single value of horizontal uncertainty (meter) 1760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.47
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.77432
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.4
Num. used stations 16
Type of magnitude ML
Reference to an origin 118596191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-21 00:49:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSY.HHZ. 2023-06-21T00:36:24.98 0.3 undecidable manual S 150 85.9473 54 0.38 63
IV.HVZN.HHZ. 2023-06-21T00:36:22.08 0.3 undecidable manual S 171 73.0713 112 0.31 64
IV.HLNI.HHZ. 2023-06-21T00:36:18.02 0.3 undecidable manual S 155 58.9965 117 -0.32 67
IV.PLLN.EHZ. 2023-06-21T00:36:15.29 0.1 undecidable manual S 295 42.7239 126 0.65 81
IV.MUCR.HHZ. 2023-06-21T00:36:13.27 0.1 undecidable manual S 47 34.6431 133 0.31 93
IV.SSY.HHZ. 2023-06-21T00:36:13.51 0.1 undecidable manual P 150 85.9473 54 -0.06 88
IV.AGST.EHZ. 2023-06-21T00:36:12.98 0.1 undecidable manual P 138 84.9483 54 -0.47 81
IV.EPZF.HHZ. 2023-06-21T00:36:12.00 0.3 undecidable manual S 91 23.8539 144 0.97 55
IV.ESML.HHZ. 2023-06-21T00:36:12.95 0.6 undecidable manual S -0.43 1.2
IV.HVZN.HHZ. 2023-06-21T00:36:11.78 0.1 undecidable manual P 171 73.0713 112 -0.16 90
IV.HLNI.HHZ. 2023-06-21T00:36:10.14 0.1 undecidable manual P 155 58.9965 117 0.19 91
IV.GALF.HHZ. 2023-06-21T00:36:09.44 0.1 undecidable manual S 187 13.2756 158 -0.21 100
IV.MSFR.HHZ. 2023-06-21T00:36:09.90 0.1 undecidable manual S 1 22.755 145 -0.96 76
IV.RESU.HHZ. 2023-06-21T00:36:09.71 1.0 undecidable manual P 247 50.616 121 0.88 18
IV.PLLN.EHZ. 2023-06-21T00:36:07.79 0.1 undecidable manual P 295 42.7239 126 -0.03 98
IV.MUCR.HHZ. 2023-06-21T00:36:07.00 0.1 undecidable manual P 47 34.6431 133 0.15 96
IV.EPZF.HHZ. 2023-06-21T00:36:06.66 0.1 undecidable manual P 91 23.8539 144 0.92 76
IV.ESCV.HHZ. 2023-06-21T00:36:05.26 0.1 undecidable manual P 114 22.1556 146 -0.32 95
IV.MSFR.HHZ. 2023-06-21T00:36:05.15 0.1 undecidable manual P 1 22.755 145 -0.49 92
IV.GALF.HHZ. 2023-06-21T00:36:04.41 0.1 undecidable manual P 187 13.2756 158 -0.53 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HHE. ML:1.6 0.0001675 0.48 AML other m 2023-06-21T00:36:09.87
IV.GALF.HHN. ML:1.6 0.0001685 0.32 AML other m 2023-06-21T00:36:09.64
IV.ESML.HHN. ML:1.5 0.00007905 1.14 AML other m 2023-06-21T00:36:14.29
IV.MUCR.HHN. ML:1.3 0.0000523 0.32 AML other m 2023-06-21T00:36:15.16
IV.ESML.HHE. ML:1.6 0.00009759999999999999 0.74 AML other m 2023-06-21T00:36:15.29
IV.MUCR.HHE. ML:1.0 0.00003165 0.66 AML other m 2023-06-21T00:36:15.49
IV.PLLN.EHE. ML:1.6 0.0000996 0.48 AML other m 2023-06-21T00:36:18.43
IV.PLLN.EHN. ML:1.8 0.000133 0.42 AML other m 2023-06-21T00:36:18.68
IV.HLNI.HHE. ML:1.5 0.0000501 0.12 AML other m 2023-06-21T00:36:19.31
IV.HLNI.HHN. ML:1.3 0.00003455 0.8 AML other m 2023-06-21T00:36:20.44
IV.AGST.EHE. ML:2.2 0.000182 1.06 AML other m 2023-06-21T00:36:24.26
IV.AGST.EHN. ML:2.3 0.0002215 1.44 AML other m 2023-06-21T00:36:25.03
IV.SSY.HHE. ML:2.0 0.000117 1.2 AML other m 2023-06-21T00:36:26.67
IV.SSY.HHN. ML:2.2 0.00019 0.3 AML other m 2023-06-21T00:36:26.61
IV.SSY.HNE. ML:2.2 0.000193 0.98 AML other m 2023-06-21T00:36:27.14
IV.SSY.HNN. ML:2.2 0.000176 0.28 AML other m 2023-06-21T00:36:27.95
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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