Earthquake with magnitude of ML 1.4 on date 31-10-2023 and time 04:20:27 (Italy) in region 2 km SE Tripi (ME)

A magnitude ML 1.4 earthquake occured in region: 2 km SE Tripi (ME), on

  • 31-10-2023 03:20:27 (UTC)
  • 31-10-2023 04:20:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 38.0390, 15.1120 at 8 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 2 873 873
Novara di Sicilia ME 3 1337 2210
Basicò ME 5 612 2822
Mazzarrà Sant'Andrea ME 6 1531 4353
Furnari ME 8 3784 8137
Fondachelli-Fantina ME 8 1019 9156
Montalbano Elicona ME 9 2287 11443
Falcone ME 9 2808 14251
Rodì Milici ME 10 2056 16307
Oliveri ME 11 2181 18488
Castroreale ME 11 2504 20992
Terme Vigliatore ME 12 7395 28387
San Piero Patti ME 13 2915 31302
Antillo ME 14 919 32221
Malvagna ME 14 733 32954
Roccella Valdemone ME 15 666 33620
Librizzi ME 15 1660 35280
Francavilla di Sicilia ME 15 3945 39225
Barcellona Pozzo di Gotto ME 15 41583 80808
Moio Alcantara ME 16 717 81525
Motta Camastra ME 17 845 82370
Patti ME 17 13431 95801
Castiglione di Sicilia CT 17 3215 99016
Raccuja ME 18 1041 100057
Montagnareale ME 18 1615 101672
Limina ME 18 836 102508
Roccafiorita ME 18 197 102705
Floresta ME 19 485 103190
Mandanici ME 19 601 103791
Merì ME 19 2338 106129
Santa Domenica Vittoria ME 19 980 107109
Santa Lucia del Mela ME 19 4650 111759
Graniti ME 19 1492 113251

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Messina (238439 inhabitants)
47 Km W of Reggio di Calabria (183035 inhabitants)
48 Km N of Acireale (52622 inhabitants)
60 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 1.4 2023-10-31
03:20:27
38.0387 15.1115 8 2023-10-31
03:30:13
Sala Sismica INGV-Roma 122601181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-31 03:20:27 ± 0.06
Latitude 38.0387 ± 0.0036
Longitude 15.1115 ± 0.0034
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122601181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 335
Semi-minor axis of confidence ellipse (meter) 242
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) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37052
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 122601181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-31 03:30:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.IVUG.HHE. 2023-10-31T03:20:35.96 0.1 undecidable manual P 345 41.1255 50 -0.05 95
IV.LIBRI.HHZ. 2023-10-31T03:20:34.27 0.3 undecidable manual S 287 16.7721 116 -0.08 74
IV.ECTS.HHZ. 2023-10-31T03:20:34.58 0.3 undecidable manual S 177 17.3715 115 0.03 74
IV.EPMN.HHZ. 2023-10-31T03:20:33.25 0.1 undecidable manual P 167 24.8529 108 0.12 96
IV.MPNC.HHE. 2023-10-31T03:20:33.09 0.1 undecidable manual P 60 24.2535 109 0.08 97
IV.AIO.HHE. 2023-10-31T03:20:32.89 0.3 undecidable manual S 125 12.9759 122 -0.32 70
IV.MUCR.HHZ. 2023-10-31T03:20:32.26 0.1 undecidable manual P 271 20.7681 111 -0.1 97
IV.ECTS.HHZ. 2023-10-31T03:20:31.76 0.1 undecidable manual P 177 17.3715 115 0.02 99
IV.LIBRI.HHZ. 2023-10-31T03:20:31.65 0.1 undecidable manual P 287 16.7721 116 0.04 99
IV.NOV.HHZ. 2023-10-31T03:20:30.84 0.3 undecidable manual S 119 2.4975 163 -0.01 76
IV.AIO.HHE. 2023-10-31T03:20:30.94 0.1 undecidable manual P 125 12.9759 122 -0.02 100
IV.NOV.HHZ. 2023-10-31T03:20:29.78 0.1 undecidable manual P 119 2.4975 163 0.18 98
IV.IVGP.HHZ. 2023-10-31T03:20:26.92 3.0 undecidable manual P 0
IV.IVCR.HHZ. 2023-10-31T03:20:26.26 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NOV.HHE. ML:2.1 0.0005740000000000001 0.34 AML other m 2023-10-31T03:20:31.18
IV.NOV.HNE. ML:1.5 0.0001255 0.34 AML other m 2023-10-31T03:20:31.18
IV.NOV.HHN. ML:2.0 0.00035749999999999996 0.32 AML other m 2023-10-31T03:20:31.62
IV.NOV.HNN. ML:1.3 0.000092 0.34 AML other m 2023-10-31T03:20:31.46
IV.ECTS.HHE. ML:1.3 0.00019600000000000002 0.22 AML other m 2023-10-31T03:20:34.83
IV.ECTS.HHN. ML:1.5 0.00027400000000000005 0.18 AML other m 2023-10-31T03:20:34.79
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