Earthquake with magnitude of ML 1.0 on date 20-09-2023 and time 12:13:05 (Italy) in region 4 km SW Tripi (ME)

A magnitude ML 1.0 earthquake occured in region: 4 km SW Tripi (ME), on

  • 20-09-2023 10:13:05 (UTC)
  • 20-09-2023 12:13:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.0180, 15.0760 at 5 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 4 873 873
Novara di Sicilia ME 5 1337 2210
Basicò ME 5 612 2822
Montalbano Elicona ME 5 2287 5109
Fondachelli-Fantina ME 9 1019 6128
Mazzarrà Sant'Andrea ME 10 1531 7659
San Piero Patti ME 10 2915 10574
Furnari ME 11 3784 14358
Roccella Valdemone ME 11 666 15024
Malvagna ME 11 733 15757
Falcone ME 11 2808 18565
Oliveri ME 12 2181 20746
Rodì Milici ME 13 2056 22802
Moio Alcantara ME 13 717 23519
Librizzi ME 14 1660 25179
Francavilla di Sicilia ME 14 3945 29124
Floresta ME 15 485 29609
Castroreale ME 15 2504 32113
Raccuja ME 15 1041 33154
Santa Domenica Vittoria ME 15 980 34134
Terme Vigliatore ME 15 7395 41529
Castiglione di Sicilia CT 16 3215 44744
Antillo ME 16 919 45663
Motta Camastra ME 16 845 46508
Patti ME 17 13431 59939
Montagnareale ME 17 1615 61554
Ucria ME 17 1058 62612
Randazzo CT 19 10900 73512
Barcellona Pozzo di Gotto ME 19 41583 115095
Graniti ME 19 1492 116587
Limina ME 19 836 117423
Roccafiorita ME 20 197 117620

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km N of Acireale (52622 inhabitants)
47 Km W of Messina (238439 inhabitants)
51 Km W of Reggio di Calabria (183035 inhabitants)
57 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 1.0 2023-09-20
10:13:05
38.0177 15.0755 5 2023-09-20
10:25:18
Sala Sismica INGV-Roma 121272461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-20 10:13:05 ± 0.24
Latitude 38.0177 ± 0.0126
Longitude 15.0755 ± 0.0057
Depth (km) 5 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121272461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1397
Semi-minor axis of confidence ellipse (meter) 183
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
Circular confidence region, given by single value of horizontal uncertainty (meter) 1400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.04946
Epicentral distance of station farthest from the epicenter (degree) 0.25361
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 121272461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-20 10:25:18
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPNC.HHE. 2023-09-20T10:13:16.09 0.6 undecidable manual S 59 28.1496 100 0.42 46
IV.MUCR.HHZ. 2023-09-20T10:13:12.44 0.6 undecidable manual S 279 17.871 106 0.25 49
IV.AIO.HHZ. 2023-09-20T10:13:11.73 0.6 undecidable manual S 110 14.6742 109 0.57 45
IV.MPNC.HHE. 2023-09-20T10:13:11.12 0.6 undecidable manual P 59 28.1496 100 -0.36 47
IV.LIBRI.HHZ. 2023-09-20T10:13:11.24 0.6 undecidable manual S 300 14.7741 109 0.06 51
IV.MUCR.HHZ. 2023-09-20T10:13:09.37 0.6 negative manual P 279 17.871 106 -0.1 50
IV.NOV.HHZ. 2023-09-20T10:13:08.26 0.6 undecidable manual S 78 5.4945 133 -0.1 51
IV.AIO.HHZ. 2023-09-20T10:13:08.72 0.1 undecidable manual P 110 14.6742 109 -0.15 100
IV.LIBRI.HHZ. 2023-09-20T10:13:08.92 1.0 negative manual P 300 14.7741 109 0.04 26
IV.NOV.HHZ. 2023-09-20T10:13:06.99 0.3 positive manual P 78 5.4945 133 -0.27 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHE. ML:1.1 0.000132 0.24 AML other m 2023-09-20T10:13:12.24
IV.AIO.HHN. ML:1.1 0.00014050000000000003 0.2 AML other m 2023-09-20T10:13:12.88
IV.LIBRI.HNN. ML:0.9 0.0000906 0.22 AML other m 2023-09-20T10:13:13.40
IV.LIBRI.HNE. ML:0.9 0.00009675000000000001 0.64 AML other m 2023-09-20T10:13:13.70
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