Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.9 on date 04-07-2023 and time 19:15:12 (Italy) in region Costa Siciliana nord orientale (Messina)

A magnitude ML 1.9 earthquake occured in region: Costa Siciliana nord orientale (Messina), on

  • 04-07-2023 17:15:12 (UTC)
  • 04-07-2023 19:15:12 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.2970, 15.1960 at 118 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Milazzo ME 9 31646 31646
Merì ME 15 2338 33984
San Filippo del Mela ME 16 7115 41099
Pace del Mela ME 16 6239 47338
Barcellona Pozzo di Gotto ME 17 41583 88921
Venetico ME 17 3911 92832
Condrò ME 18 493 93325
Spadafora ME 18 5021 98346
Torregrotta ME 18 7431 105777
Terme Vigliatore ME 18 7395 113172
Gualtieri Sicaminò ME 18 1807 114979
Santa Lucia del Mela ME 19 4650 119629
Valdina ME 19 1355 120984

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Messina (238439 inhabitants)
44 Km NW of Reggio di Calabria (183035 inhabitants)
76 Km N of Acireale (52622 inhabitants)
89 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 1.9 2023-07-04
17:15:12		 38.2967 15.1962 118 2023-07-04
17:29:48		 Sala Sismica INGV-Roma 118971571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-04 17:15:12 ± 0.34
Latitude 38.2967 ± 0.0180
Longitude 15.1962 ± 0.0218
Depth (km) 118 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118971571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1864
Semi-minor axis of confidence ellipse (meter) 1721
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 281
Circular confidence region, given by single value of horizontal uncertainty (meter) 1860.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.37
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.37956
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 118971571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-04 17:29:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BDI.HHZ. 2023-07-04T17:17:10.40 3.0 undecidable manual Pg 14.14 0
FR.SAOF.HHZ.00 2023-07-04T17:17:06.86 3.0 positive manual Pn -8.44 0
OT.OT17.EHZ. 2023-07-04T17:17:04.77 3.0 undecidable manual Sg 14.17 0
IV.POFI.HHZ. 2023-07-04T17:17:04.86 3.0 undecidable manual Sg 8.13 0
IT.OPI.HGZ. 2023-07-04T17:17:03.98 3.0 undecidable manual Sg 6.63 0
IV.IMOL.HNZ. 2023-07-04T17:16:54.06 3.0 undecidable manual Pn -0.23 0
IV.CERA.HHZ. 2023-07-04T17:16:48.92 3.0 undecidable manual Sn -3.25 0
IV.MRVN.HHZ. 2023-07-04T17:16:44.54 3.0 undecidable manual Sg 7.43 0
IV.RSM2.HHZ. 2023-07-04T17:16:36.23 3.0 undecidable manual Pn -9.98 0
IV.MCRV.HHZ. 2023-07-04T17:16:35.79 3.0 undecidable manual Sg 6.97 0
IV.FDMO.HHZ. 2023-07-04T17:16:30.73 3.0 positive manual Pn -1.65 0
MN.TIR.HHZ. 2023-07-04T17:16:26.88 3.0 positive manual Pn 0.81 0
IV.NRCA.HHZ. 2023-07-04T17:16:26.38 3.0 positive manual Pn -3.31 0
IV.MRLC.HHZ. 2023-07-04T17:16:25.13 3.0 undecidable manual Sn -2.99 0
OT.OT17.EHZ. 2023-07-04T17:16:15.87 3.0 positive manual Pg 6.03 0
IV.CERA.HHZ. 2023-07-04T17:16:14.37 3.0 undecidable manual Pg 3.65 0
IV.POFI.HHZ. 2023-07-04T17:16:11.76 3.0 undecidable manual Pn -1.52 0
IV.PABO.HHZ. 2023-07-04T17:16:10.16 3.0 undecidable manual Pn -1.59 0
IV.CET2.HHZ. 2023-07-04T17:15:58.38 0.6 undecidable manual S 25 151.5372 124 0.38 37
IV.CAR1.HHZ. 2023-07-04T17:15:54.80 0.6 undecidable manual S 39 137.7621 127 -0.76 32
IV.PLAC.HHZ. 2023-07-04T17:15:51.23 0.6 undecidable manual S 81 109.3128 134 0.36 40
IV.LADO.EHZ. 2023-07-04T17:15:48.00 3.0 undecidable manual Pg 2.93 0
IV.SOI.EHZ. 2023-07-04T17:15:46.06 0.6 undecidable manual S 108 78.8655 143 -0.44 42
IV.MRCB.HHZ. 2023-07-04T17:15:43.31 0.3 undecidable manual S 109 46.62 157 0.3 69
IV.MUCR.HHZ. 2023-07-04T17:15:43.09 0.3 undecidable manual S 225 39.7269 160 0.63 63
IV.AIO.HHZ. 2023-07-04T17:15:43.31 0.3 undecidable manual S 175 36.2415 161 1.1 51
IV.MILZ.HHZ. 2023-07-04T17:15:40.32 0.3 undecidable manual S 132 4.1958 178 -0.63 67
IV.IVPL.HHZ. 2023-07-04T17:15:40.68 1.0 undecidable manual S 295 20.7681 169 -0.68 21
IV.CET2.HHZ. 2023-07-04T17:15:39.22 0.1 negative manual P 25 151.5372 124 0.4 72
IV.SERS.HHZ. 2023-07-04T17:15:39.47 1.0 negative manual P 57 153.1356 123 0.49 18
IV.CAR1.HHZ. 2023-07-04T17:15:37.54 0.3 negative manual P 39 137.7621 127 0.12 59
IV.PLAC.HHZ. 2023-07-04T17:15:34.82 0.1 negative manual P 81 109.3128 134 0.12 84
IV.HLNI.HHZ. 2023-07-04T17:15:34.42 0.3 positive manual P 195 108.9132 134 -0.25 62
IV.SOI.EHZ. 2023-07-04T17:15:32.05 0.6 negative manual P 108 78.8655 143 -0.13 45
IV.AIO.HHZ. 2023-07-04T17:15:30.01 1.0 negative manual P 175 36.2415 161 0.31 23
IV.MRCB.HHZ. 2023-07-04T17:15:29.80 0.1 undecidable manual P 109 46.62 157 -0.36 90
IV.IVPL.HHZ. 2023-07-04T17:15:29.11 0.1 negative manual P 295 20.7681 169 -0.1 100
IV.MUCR.HHZ. 2023-07-04T17:15:29.88 0.6 undecidable manual P 225 39.7269 160 0.03 49
IV.MILZ.HHZ. 2023-07-04T17:15:28.48 0.1 negative manual P 132 4.1958 178 -0.5 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AIO.HHN. ML:1.9 0.00005345 1.58 AML other m 2023-07-04T17:15:31.08
IV.AIO.HHE. ML:1.8 0.00004645 0.68 AML other m 2023-07-04T17:15:44.80
IV.PLAC.HHE. ML:2.1 0.000055249999999999994 1.6 AML other m 2023-07-04T17:15:51.10
IV.PLAC.HHN. ML:1.8 0.000032149999999999995 0.86 AML other m 2023-07-04T17:15:51.51
IV.CAR1.HHN. ML:2.1 0.00004865 0.6 AML other m 2023-07-04T17:15:56.43
IV.CAR1.HHE. ML:2.2 0.000055 0.56 AML other m 2023-07-04T17:16:01.08
IV.SERS.HHN. ML:1.7 0.000015300000000000003 0.58 AML other m 2023-07-04T17:16:03.20
IV.SERS.HHE. ML:1.8 0.0000176 0.84 AML other m 2023-07-04T17:16:04.00
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