Earthquake with magnitude of ML 1.3 on date 20-09-2023 and time 00:33:45 (UTC) in region 3 km SW Tripi (ME)

A magnitude ML 1.3 earthquake occured in region: 3 km SW Tripi (ME), on

  • 20-09-2023 00:33:45 (UTC)
  • 20-09-2023 02:33:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0320, 15.0820 at 27 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
Tripi ME 3 873 873
Basicò ME 4 612 1485
Novara di Sicilia ME 5 1337 2822
Montalbano Elicona ME 6 2287 5109
Mazzarrà Sant'Andrea ME 8 1531 6640
Furnari ME 9 3784 10424
Falcone ME 10 2808 13232
Fondachelli-Fantina ME 10 1019 14251
San Piero Patti ME 10 2915 17166
Oliveri ME 11 2181 19347
Rodì Milici ME 12 2056 21403
Roccella Valdemone ME 13 666 22069
Malvagna ME 13 733 22802
Librizzi ME 13 1660 24462
Castroreale ME 14 2504 26966
Terme Vigliatore ME 14 7395 34361
Moio Alcantara ME 15 717 35078
Raccuja ME 15 1041 36119
Francavilla di Sicilia ME 15 3945 40064
Antillo ME 16 919 40983
Floresta ME 16 485 41468
Patti ME 16 13431 54899
Montagnareale ME 16 1615 56514
Santa Domenica Vittoria ME 17 980 57494
Castiglione di Sicilia CT 17 3215 60709
Motta Camastra ME 17 845 61554
Barcellona Pozzo di Gotto ME 18 41583 103137
Ucria ME 18 1058 104195
Limina ME 20 836 105031
Sant'Angelo di Brolo ME 20 3090 108121
Roccafiorita ME 20 197 108318

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km W of Messina (238439 inhabitants)
47 Km N of Acireale (52622 inhabitants)
50 Km W of Reggio di Calabria (183035 inhabitants)
59 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 1.3 2023-09-20
00:33:45
38.0322 15.0822 27 2023-09-20
00:38:04
Sala Sismica INGV-Roma 121255221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-20 00:33:45 ± 0.31
Latitude 38.0322 ± 0.0189
Longitude 15.0822 ± 0.0240
Depth (km) 27 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121255221

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2778
Semi-minor axis of confidence ellipse (meter) 345
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 2780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 9
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35343
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 121255221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-20 00:38:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.AGST.EHZ. 2023-09-20T00:34:10.07 3.0 undecidable manual S 0.31 0
IV.HLNI.HHZ. 2023-09-20T00:34:06.82 3.0 undecidable manual S -0.75 0
IV.HLNI.HHZ. 2023-09-20T00:33:57.34 3.0 negative manual P -0.13 0
IV.EPMN.HHZ. 2023-09-20T00:33:56.76 0.6 undecidable manual S 160 24.9528 133 0.58 42
IV.LIBRI.HHZ. 2023-09-20T00:33:54.44 0.6 undecidable manual S 293 14.5743 149 0.03 49
IV.AIO.HHZ. 2023-09-20T00:33:54.34 0.6 undecidable manual S 117 14.7741 148 -0.1 48
IV.NOV.HHZ. 2023-09-20T00:33:53.45 0.6 undecidable manual S 96 4.7952 169 0 50
IV.IVPL.HHZ. 2023-09-20T00:33:53.65 0.6 undecidable manual P 347 39.2274 119 0.3 45
IV.EPMN.HHZ. 2023-09-20T00:33:51.15 0.6 negative manual P 160 24.9528 133 -0.4 45
IV.NOV.HHZ. 2023-09-20T00:33:50.00 0.1 negative manual P 96 4.7952 169 0.02 100
IV.LIBRI.HHZ. 2023-09-20T00:33:50.44 0.3 positive manual P 293 14.5743 149 -0.09 73
IV.AIO.HHZ. 2023-09-20T00:33:50.44 0.1 undecidable manual P 117 14.7741 148 -0.11 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NOV.HHE. ML:1.5 0.0001885 1.04 AML other m 2023-09-20T00:33:54.77
IV.NOV.HNE. ML:0.9 0.000050900000000000004 1.34 AML other m 2023-09-20T00:33:54.77
IV.AIO.HHE. ML:1.3 0.00010535 0.48 AML other m 2023-09-20T00:33:54.82
IV.NOV.HHN. ML:1.7 0.000282 1.32 AML other m 2023-09-20T00:33:54.83
IV.NOV.HNN. ML:1.0 0.00006254999999999999 0.48 AML other m 2023-09-20T00:33:54.83
IV.LIBRI.HHN. ML:0.8 0.00003475 0.4 AML other m 2023-09-20T00:33:54.87
IV.LIBRI.HHE. ML:1.0 0.00005505 0.44 AML other m 2023-09-20T00:33:55.38
IV.LIBRI.HNE. ML:1.3 0.00010075000000000001 0.34 AML other m 2023-09-20T00:33:55.42
IV.LIBRI.HNN. ML:1.3 0.00011180000000000001 0.22 AML other m 2023-09-20T00:33:56.00
IV.AIO.HHN. ML:1.2 0.00008094999999999999 0.2 AML other m 2023-09-20T00:33:56.16
IV.EPMN.HHE. ML:1.4 0.00009515 0.24 AML other m 2023-09-20T00:33:57.34
IV.EPMN.HHN. ML:1.4 0.00010180000000000001 0.4 AML other m 2023-09-20T00:33:57.74
IV.IVPL.HHN. ML:1.5 0.00009204999999999999 1.28 AML other m 2023-09-20T00:34:01.22
IV.IVPL.HHE. ML:1.6 0.0001055 0.4 AML other m 2023-09-20T00:34:03.37
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