Earthquake with magnitude of ML 2.1 on date 05-07-2023 and time 13:38:53 (Italy) in region 7 km SE Troina (EN)

A magnitude ML 2.1 earthquake occured in region: 7 km SE Troina (EN), on

  • 05-07-2023 11:38:53 (UTC)
  • 05-07-2023 13:38:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.7410, 14.6620 at 31 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 7 9373 9373
Regalbuto EN 10 7277 16650
Gagliano Castelferrato EN 12 3593 20243
San Teodoro ME 12 1403 21646
CesarĂ² ME 12 2439 24085
Centuripe EN 15 5470 29555
Agira EN 15 8345 37900
Cerami EN 16 2006 39906
Bronte CT 16 19172 59078
Adrano CT 17 36122 95200
Maniace CT 19 3765 98965
Catenanuova EN 19 4866 103831

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km NW of Catania (314555 inhabitants)
47 Km W of Acireale (52622 inhabitants)
60 Km E of Caltanissetta (63360 inhabitants)
83 Km NE of Gela (75827 inhabitants)
89 Km N of Vittoria (63339 inhabitants)
91 Km N of Ragusa (73313 inhabitants)
93 Km SW of Messina (238439 inhabitants)
94 Km NW of Siracusa (122291 inhabitants)
95 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
Reviewed
Rev100
ML 2.1 2023-07-05
11:38:53
37.7413 14.6617 31 2023-07-05
12:31:03
Sala Sismica INGV-Roma 118991151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-05 11:38:53 ± 0.23
Latitude 37.7413 ± 0.0099
Longitude 14.6617 ± 0.0136
Depth (km) 31 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118991151

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1122
Semi-minor axis of confidence ellipse (meter) 805
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 131
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.08094
Epicentral distance of station farthest from the epicenter (degree) 0.51531
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.5
Num. used stations 8
Type of magnitude ML
Reference to an origin 118991151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-05 12:31:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2023-07-05T11:39:07.50 0.6 undecidable manual S 29 38.2284 125 -0.28 48
IV.AIO.HHZ. 2023-07-05T11:39:04.35 0.1 undecidable manual P 63 56.1993 114 0.27 93
IV.EPZF.HHZ. 2023-07-05T11:39:04.36 0.6 undecidable manual S 62 19.4694 145 0.18 51
IV.GALF.HHZ. 2023-07-05T11:39:03.22 0.6 undecidable manual S 248 8.9799 163 0.27 51
IV.CSLB.HHE. 2023-07-05T11:39:03.42 1.0 undecidable manual P 293 57.1983 114 -0.81 20
IV.ESCV.HHE. 2023-07-05T11:39:03.00 0.6 undecidable manual S 87 13.4754 155 -0.39 49
IV.HLNI.HHE. 2023-07-05T11:39:02.58 1.0 undecidable manual P 157 47.3193 119 -0.29 24
IV.MSFR.HHZ. 2023-07-05T11:39:01.16 0.1 undecidable manual P 349 33.0447 129 0.13 100
IV.MUCR.HHZ. 2023-07-05T11:39:01.72 0.6 positive manual P 29 38.2284 125 0.04 50
IV.GALF.HHZ. 2023-07-05T11:38:59.01 0.6 undecidable manual P 248 8.9799 163 0.13 52
IV.EPZF.HHZ. 2023-07-05T11:38:59.81 1.0 negative manual P 62 19.4694 145 0.21 25
IV.ESCV.HHE. 2023-07-05T11:38:58.75 0.6 undecidable manual P 87 13.4754 155 -0.38 49
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GALF.HNN. ML:1.9 0.00033899999999999995 0.52 AML other m 2023-07-05T11:39:03.60
IV.GALF.HHN. ML:2.2 0.0007055 0.46 AML other m 2023-07-05T11:39:03.56
IV.EPZF.HHN. ML:1.8 0.0002495 1.34 AML other m 2023-07-05T11:39:05.98
IV.GALF.HNE. ML:2.6 0.00199 0.4 AML other m 2023-07-05T11:39:06.61
IV.EPZF.HHE. ML:1.8 0.00023099999999999998 1.42 AML other m 2023-07-05T11:39:06.02
IV.GALF.HHE. ML:2.1 0.000564 0.28 AML other m 2023-07-05T11:39:07.43
7C.SPAOL.HNE. ML:3.7 0.0135 0.42 AML other m 2023-07-05T11:39:08.38
7C.SPAOL.HNN. ML:3.6 0.011300000000000001 1.4 AML other m 2023-07-05T11:39:13.28
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
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