Earthquake with magnitude of ML 1.8 on date 23-06-2023 and time 09:06:33 (UTC) in region Tirreno Meridionale (MARE)

A magnitude ML 1.8 earthquake occured in region: Tirreno Meridionale (MARE), on

  • 23-06-2023 09:06:33 (UTC)
  • 23-06-2023 11:06:33 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 38.4000, 15.3550 at 119 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
Villafranca Tirrena ME 19 8584 8584
Spadafora ME 20 5021 13605
Venetico ME 20 3911 17516

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Messina (238439 inhabitants)
41 Km NW of Reggio di Calabria (183035 inhabitants)
89 Km N of Acireale (52622 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 1.8 2023-06-23
09:06:33
38.4 15.3547 119 2023-06-23
09:15:26
Sala Sismica INGV-Roma 118657481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-06-23 09:06:33 ± 0.29
Latitude 38.4000 ± 0.0252
Longitude 15.3547 ± 0.0241
Depth (km) 119 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 118657481

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 2734
Semi-minor axis of confidence ellipse (meter) 2012
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 190
Circular confidence region, given by single value of horizontal uncertainty (meter) 2730.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 165
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.22038
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 118657481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-06-23 09:15:26
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
FR.AJAC.HHZ.00 2023-06-23T09:08:06.31 3.0 negative manual Pn -5.95 0
IV.MMUR.HNZ. 2023-06-23T09:07:59.61 3.0 undecidable manual Pn 1.07 0
IV.MGAB.HHZ. 2023-06-23T09:07:54.10 3.0 undecidable manual Pn -2.26 0
IV.ARRO.EHZ. 2023-06-23T09:07:51.19 3.0 positive manual Pn 2.19 0
IV.OFFI.HHZ. 2023-06-23T09:07:50.08 3.0 positive manual Pn 0.55 0
IT.RMMM.HGZ. 2023-06-23T09:07:43.28 3.0 positive manual Pn 0.01 0
IV.MFNL.HHZ. 2023-06-23T09:07:42.46 3.0 undecidable manual Sn -6.05 0
IV.ACATE.EHZ. 2023-06-23T09:07:38.65 3.0 undecidable manual Sg 1.7 0
IV.ISPIC.HNZ. 2023-06-23T09:07:17.10 3.0 negative manual Pg 4.01 0
IV.PLAC.HHZ. 2023-06-23T09:07:09.18 0.6 undecidable manual S 86 94.3389 138 0.06 43
IY.CNDF.HHE.00 2023-06-23T09:07:05.47 0.6 undecidable manual S 135 62.0934 150 0.43 43
IV.SOI.EHZ. 2023-06-23T09:07:05.51 0.6 undecidable manual S 121 70.9734 147 -0.53 42
IV.MTTG.HHZ. 2023-06-23T09:07:04.57 0.6 undecidable manual S 146 53.3022 154 0.42 44
IV.MRCB.HHZ. 2023-06-23T09:07:03.01 0.3 undecidable manual S 131 40.2264 160 -0.02 73
IV.SICLA.EHE. 2023-06-23T09:07:02.18 0.6 undecidable manual S 117 35.1426 162 -0.5 45
IV.MILZ.HHZ. 2023-06-23T09:07:01.90 0.6 undecidable manual S 217 17.871 171 0.1 49
IV.CET2.HHZ. 2023-06-23T09:06:58.27 1.0 undecidable manual P 22 135.4644 127 0.64 17
IV.PLAC.HHZ. 2023-06-23T09:06:54.04 0.1 positive manual P 86 94.3389 138 0.18 85
IV.SOI.EHZ. 2023-06-23T09:06:51.89 0.1 undecidable manual P 121 70.9734 147 -0.19 88
IV.MTTG.HHZ. 2023-06-23T09:06:51.25 0.6 negative manual P 146 53.3022 154 0.26 46
IY.CNDF.HHE.00 2023-06-23T09:06:51.53 0.1 undecidable manual P 135 62.0934 150 0.03 93
IV.MRCB.HHZ. 2023-06-23T09:06:50.36 0.3 negative manual P 131 40.2264 160 0.02 73
IV.SICLA.EHE. 2023-06-23T09:06:49.87 0.1 undecidable manual P 117 35.1426 162 -0.26 93
IV.MILZ.HHZ. 2023-06-23T09:06:49.61 0.1 undecidable manual P 217 17.871 171 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MILZ.HHN. ML:1.7 0.0000418 0.92 AML other m 2023-06-23T09:07:02.44
IV.MILZ.HHE. ML:2.0 0.00006939999999999999 0.24 AML other m 2023-06-23T09:07:02.58
IV.PLAC.HHN. ML:1.6 0.0000202 0.6 AML other m 2023-06-23T09:07:09.59
IV.PLAC.HHE. ML:1.7 0.000026799999999999998 0.74 AML other m 2023-06-23T09:07:10.00
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