Earthquake with magnitude of ML 1.6 on date 20-09-2023 and time 02:27:08 (Italy) in region 5 km SW Tripi (ME)

A magnitude ML 1.6 earthquake occured in region: 5 km SW Tripi (ME), on

  • 20-09-2023 00:27:08 (UTC)
  • 20-09-2023 02:27:08 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0110, 15.0780 at 28 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
Novara di Sicilia ME 5 1337 1337
Tripi ME 5 873 2210
Montalbano Elicona ME 6 2287 4497
Basicò ME 6 612 5109
Fondachelli-Fantina ME 9 1019 6128
Mazzarrà Sant'Andrea ME 10 1531 7659
Malvagna ME 10 733 8392
Roccella Valdemone ME 11 666 9058
San Piero Patti ME 11 2915 11973
Furnari ME 11 3784 15757
Falcone ME 12 2808 18565
Moio Alcantara ME 13 717 19282
Oliveri ME 13 2181 21463
Francavilla di Sicilia ME 13 3945 25408
Rodì Milici ME 14 2056 27464
Librizzi ME 14 1660 29124
Santa Domenica Vittoria ME 15 980 30104
Castiglione di Sicilia CT 15 3215 33319
Floresta ME 15 485 33804
Antillo ME 15 919 34723
Motta Camastra ME 15 845 35568
Castroreale ME 15 2504 38072
Raccuja ME 16 1041 39113
Terme Vigliatore ME 16 7395 46508
Patti ME 18 13431 59939
Ucria ME 18 1058 60997
Montagnareale ME 18 1615 62612
Graniti ME 19 1492 64104
Randazzo CT 19 10900 75004
Limina ME 19 836 75840
Roccafiorita ME 19 197 76037
Barcellona Pozzo di Gotto ME 20 41583 117620
Linguaglossa CT 20 5403 123023

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km N of Acireale (52622 inhabitants)
47 Km W of Messina (238439 inhabitants)
51 Km W of Reggio di Calabria (183035 inhabitants)
56 Km N of Catania (314555 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 1.6 2023-09-20
00:27:08
38.0112 15.0782 28 2023-09-20
00:36:42
Sala Sismica INGV-Roma 121255161
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-20 00:27:08 ± 0.2
Latitude 38.0112 ± 0.0099
Longitude 15.0782 ± 0.0126
Depth (km) 28 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121255161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1453
Semi-minor axis of confidence ellipse (meter) 231
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 227
Circular confidence region, given by single value of horizontal uncertainty (meter) 1450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37322
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 121255161
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-20 00:36:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.HAVL.HHZ. 2023-09-20T00:27:42.38 3.0 undecidable manual S 0.36 0
IV.SSY.HHZ. 2023-09-20T00:27:37.47 3.0 undecidable manual S 0.31 0
IV.RAFF.HHZ. 2023-09-20T00:27:25.93 3.0 positive manual P -0.29 0
IV.SSY.HHZ. 2023-09-20T00:27:23.92 3.0 positive manual P -0.74 0
IV.IVPL.HHZ. 2023-09-20T00:27:23.39 0.6 undecidable manual S 348 41.4252 119 0.18 46
IV.HLNI.HHZ. 2023-09-20T00:27:20.73 3.0 negative manual P -1.56 0
IV.EPMN.HHZ. 2023-09-20T00:27:19.84 0.6 undecidable manual S 158 22.8549 137 0.58 42
IV.MUCR.HHZ. 2023-09-20T00:27:18.65 0.6 undecidable manual S 281 18.1707 144 0.19 47
IV.LIBRI.HHZ. 2023-09-20T00:27:17.96 0.6 undecidable manual S 302 15.3735 149 -0.08 49
IV.IVPL.HHZ. 2023-09-20T00:27:17.27 0.6 positive manual P 348 41.4252 119 0.28 45
IV.AIO.HHZ. 2023-09-20T00:27:17.78 0.6 undecidable manual S 108 14.2746 150 -0.11 48
IV.NOV.HHZ. 2023-09-20T00:27:16.98 0.6 undecidable manual S 70 5.3946 168 -0.07 49
IV.EPMN.HHZ. 2023-09-20T00:27:14.50 0.1 undecidable manual P 158 22.8549 137 -0.2 94
IV.MUCR.HHZ. 2023-09-20T00:27:14.11 0.1 negative manual P 281 18.1707 144 -0.14 96
IV.NOV.HHZ. 2023-09-20T00:27:13.44 0.1 undecidable manual P 70 5.3946 168 0.01 100
IV.AIO.HHZ. 2023-09-20T00:27:13.88 0.1 negative manual P 108 14.2746 150 -0.03 98
IV.LIBRI.HHZ. 2023-09-20T00:27:13.89 0.3 positive manual P 302 15.3735 149 -0.11 72
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NOV.HHE. ML:1.7 0.000262 0.96 AML other m 2023-09-20T00:27:18.23
IV.AIO.HHE. ML:1.5 0.000153 0.48 AML other m 2023-09-20T00:27:18.03
IV.NOV.HHN. ML:1.9 0.000425 0.66 AML other m 2023-09-20T00:27:18.29
IV.LIBRI.HHE. ML:1.2 0.00007494999999999999 0.2 AML other m 2023-09-20T00:27:18.73
IV.LIBRI.HNE. ML:1.6 0.00016749999999999998 0.34 AML other m 2023-09-20T00:27:18.86
IV.MUCR.HHE. ML:1.2 0.0000699 1.48 AML other m 2023-09-20T00:27:18.93
IV.MUCR.HHN. ML:1.5 0.00013550000000000001 0.66 AML other m 2023-09-20T00:27:19.44
IV.LIBRI.HNN. ML:1.6 0.0001705 0.2 AML other m 2023-09-20T00:27:19.55
IV.AIO.HHN. ML:1.4 0.00011405000000000001 0.2 AML other m 2023-09-20T00:27:19.61
IV.LIBRI.HHN. ML:1.1 0.0000562 0.8 AML other m 2023-09-20T00:27:20.16
IV.IVPL.HHN. ML:1.8 0.000156 0.72 AML other m 2023-09-20T00:27:24.67
IV.IVPL.HHE. ML:1.7 0.0001375 1.04 AML other m 2023-09-20T00:27:25.56
IV.SSY.HHN. ML:1.8 0.00006555 0.18 AML other m 2023-09-20T00:27:38.48
IV.SSY.HHE. ML:1.5 0.0000362 0.5 AML other m 2023-09-20T00:27:39.64
IV.HAVL.HHE. ML:1.5 0.00002615 0.58 AML other m 2023-09-20T00:27:50.73
IV.HAVL.HHN. ML:1.7 0.00004245 0.58 AML other m 2023-09-20T00:28:05.87
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download