Earthquake with magnitude of ML 1.0 on date 20-07-2023 and time 11:38:11 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.0 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 20-07-2023 09:38:11 (UTC)
  • 20-07-2023 11:38:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.1670, 15.1040 at 10 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
Falcone ME 6 2808 2808
Oliveri ME 6 2181 4989
Terme Vigliatore ME 6 7395 12384
Furnari ME 7 3784 16168
Rodì Milici ME 8 2056 18224
Mazzarrà Sant'Andrea ME 9 1531 19755
Barcellona Pozzo di Gotto ME 10 41583 61338
Castroreale ME 12 2504 63842
Basicò ME 12 612 64454
Patti ME 13 13431 77885
Merì ME 13 2338 80223
Tripi ME 13 873 81096
Milazzo ME 14 31646 112742
Montagnareale ME 14 1615 114357
San Filippo del Mela ME 15 7115 121472
Librizzi ME 15 1660 123132
Santa Lucia del Mela ME 16 4650 127782
Novara di Sicilia ME 17 1337 129119
San Piero Patti ME 18 2915 132034
Montalbano Elicona ME 18 2287 134321
Pace del Mela ME 18 6239 140560
Gioiosa Marea ME 18 7074 147634
Gualtieri Sicaminò ME 19 1807 149441
Condrò ME 20 493 149934

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Messina (238439 inhabitants)
48 Km W of Reggio di Calabria (183035 inhabitants)
62 Km N of Acireale (52622 inhabitants)
74 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 2023-07-20
09:38:11
38.1667 15.1042 10 2023-07-20
09:51:43
Sala Sismica INGV-Roma 119419471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-20 09:38:11 ± 0.07
Latitude 38.1667 ± 0.0045
Longitude 15.1042 ± 0.0046
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 119419471

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 431
Semi-minor axis of confidence ellipse (meter) 372
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 149
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 93
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
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) 0.14119
Epicentral distance of station farthest from the epicenter (degree) 0.27789
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.4
Num. used stations 10
Type of magnitude ML
Reference to an origin 119419471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-20 09:51:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MUCR.HHZ. 2023-07-20T09:38:20.18 0.6 undecidable manual S 236 24.3534 112 -0.19 48
IV.IVPL.HHZ. 2023-07-20T09:38:20.74 0.6 undecidable manual S 335 25.6521 111 -0.05 49
IV.IVUG.HHZ. 2023-07-20T09:38:20.78 0.6 undecidable manual S 338 27.4503 50 -0.56 44
IV.MPNC.HHZ. 2023-07-20T09:38:19.33 0.6 undecidable manual S 96 21.7671 114 -0.23 48
IV.LIBRI.HNZ. 2023-07-20T09:38:18.27 0.6 undecidable manual S 239 17.871 119 -0.06 50
3D.OEM5.HHZ. 2023-07-20T09:38:17.67 0.1 undecidable manual P 337 30.8469 50 0.07 97
IV.NOV.HHZ. 2023-07-20T09:38:17.72 0.6 undecidable manual S 170 15.6732 122 0.04 50
IV.MILZ.HHZ. 2023-07-20T09:38:17.84 0.6 undecidable manual S 44 16.0728 121 0.05 50
IV.IVCR.HHZ. 2023-07-20T09:38:17.84 0.1 undecidable manual P 335 29.6481 50 0.41 91
IV.IVLT.HHZ. 2023-07-20T09:38:17.49 0.1 undecidable manual P 332 28.8489 50 0.19 95
IV.MUCR.HHZ. 2023-07-20T09:38:16.43 0.6 negative manual P 236 24.3534 112 -0.09 49
IV.IVPL.HHZ. 2023-07-20T09:38:16.81 1.0 undecidable manual P 335 25.6521 111 0.04 25
IV.IVUG.HHZ. 2023-07-20T09:38:16.78 0.1 undecidable manual P 338 27.4503 50 -0.3 93
IV.LIBRI.HNZ. 2023-07-20T09:38:15.43 0.1 undecidable manual P 239 17.871 119 0.08 99
IV.MPNC.HHZ. 2023-07-20T09:38:15.98 0.1 undecidable manual P 96 21.7671 114 -0.08 99
IV.NOV.HHZ. 2023-07-20T09:38:15.04 0.1 positive manual P 170 15.6732 122 0.07 100
IV.MILZ.HHZ. 2023-07-20T09:38:15.13 0.1 undecidable manual P 44 16.0728 121 0.09 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NOV.HHN. ML:0.8 0.00006634999999999999 1.02 AML other m 2023-07-20T09:38:18.14
IV.NOV.HHE. ML:0.9 0.00007615 0.24 AML other m 2023-07-20T09:38:18.51
IV.MUCR.HHN. ML:1.0 0.000054800000000000004 1.08 AML other m 2023-07-20T09:38:20.27
IV.MUCR.HHE. ML:0.9 0.00004475 0.38 AML other m 2023-07-20T09:38:20.58
IV.IVPL.HHN. ML:1.5 0.0001725 0.78 AML other m 2023-07-20T09:38:21.86
IV.IVPL.HHE. ML:1.6 0.000237 0.36 AML other m 2023-07-20T09:38:22.18
IV.NOV.HNE. ML:0.4 0.00002329163 0.2496 AML other m 2023-07-20T09:38:18.51
IV.NOV.HNN. ML:0.4 0.00002410606 0.32 AML other m 2023-07-20T09:38:18.29
IV.IVPL.HNE. ML:1.3 0.00012723829 0.1728 AML other m 2023-07-20T09:38:22.16
IV.IVPL.HNN. ML:1.4 0.00016000985 0.2304 AML other m 2023-07-20T09:38:22.35
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