Earthquake with magnitude of ML 2.3 on date 16-10-2023 and time 18:41:02 (Italy) in region Mar Ionio Meridionale (MARE)

A magnitude ML 2.3 earthquake occured in region: Mar Ionio Meridionale (MARE), on

  • 16-10-2023 16:41:02 (UTC)
  • 16-10-2023 18:41:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 37.3040, 16.1320 at 29 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
79 Km E of Siracusa (122291 inhabitants)
92 Km E of Acireale (52622 inhabitants)
95 Km E of Catania (314555 inhabitants)
99 Km SE of Reggio di Calabria (183035 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 2.3 2023-10-16
16:41:02
37.304 16.1318 29 2023-10-16
16:50:14
Sala Sismica INGV-Roma 122130611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-16 16:41:02 ± 0.22
Latitude 37.3040 ± 0.0099
Longitude 16.1318 ± 0.0147
Depth (km) 29 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122130611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1461
Semi-minor axis of confidence ellipse (meter) 824
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 311
Circular confidence region, given by single value of horizontal uncertainty (meter) 1460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 241
Number of associated phases, regardless of their use for origin computation 39
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.06929
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 13
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 122130611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-16 16:50:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HNZ. 2023-10-16T16:43:02.04 3.0 undecidable manual Pg 24.59 0
IV.MF5.EHZ. 2023-10-16T16:42:50.16 3.0 undecidable manual Pg 19.870001 0
IV.ATMI.HHZ. 2023-10-16T16:42:42.57 3.0 negative manual Pn 3.1 0
IV.MGR.HNZ. 2023-10-16T16:42:32.27 3.0 undecidable manual Sg 10.97 0
IV.NOCI.HHZ. 2023-10-16T16:42:31.54 3.0 undecidable manual Sn -7.08 0
IX.SNR3.EHZ.02 2023-10-16T16:41:55.72 3.0 negative manual Pn 0.08 0
HL.VLS.HHZ. 2023-10-16T16:41:52.35 3.0 undecidable manual Pn -6.15 0
IV.TDS.HHZ. 2023-10-16T16:41:40.10 3.0 undecidable manual Pn -0.01 0
IV.ECTS.HHZ. 2023-10-16T16:41:39.63 3.0 undecidable manual Sg 4.95 0
IV.HVZN.HHZ. 2023-10-16T16:41:38.60 3.0 undecidable manual Sn 0.38 0
IV.ESML.HHZ. 2023-10-16T16:41:35.44 3.0 undecidable manual Sn -0.49 0
7C.SPAOL.HNZ. 2023-10-16T16:41:34.42 3.0 undecidable manual Sg 2.55 0
IV.HLNI.HHZ. 2023-10-16T16:41:33.06 3.0 undecidable manual Sn -1.89 0
IV.SSY.HHZ. 2023-10-16T16:41:30.77 0.6 undecidable manual S 260 94.8384 102 0.22 48
IV.HAVL.HHZ. 2023-10-16T16:41:30.95 0.6 undecidable manual S 247 97.125 102 -0.19 49
IV.SOI.EHZ. 2023-10-16T16:41:28.73 0.6 undecidable manual S 355 85.5477 104 0.59 46
IV.RAFF.HHZ. 2023-10-16T16:41:27.88 3.0 negative manual Pn 1.38 0
IV.IVUG.HHZ. 2023-10-16T16:41:27.00 3.0 negative manual Pn 0.28 0
IV.HSRS.HHZ. 2023-10-16T16:41:27.84 0.3 undecidable manual S 254 83.7495 104 0.18 74
IV.AGST.EHE. 2023-10-16T16:41:26.45 0.6 undecidable manual S 266 80.0643 105 -0.25 50
IV.GALF.HHZ. 2023-10-16T16:41:26.87 3.0 negative manual Pg 1.82 0
IV.MUCR.HHZ. 2023-10-16T16:41:24.66 3.0 undecidable manual Pn 0.47 0
IV.LIBRI.HHZ. 2023-10-16T16:41:24.44 3.0 positive manual P 0.37 0
IV.HVZN.HHZ. 2023-10-16T16:41:23.35 3.0 positive manual Pn 0.64 0
IV.HMDC.HHZ. 2023-10-16T16:41:22.69 3.0 negative manual Pn 0 0
IV.HPAC.HHZ. 2023-10-16T16:41:21.86 0.6 undecidable manual P 236 117.2937 54 0.05 48
IV.NOV.HHZ. 2023-10-16T16:41:21.85 0.6 undecidable manual P 313 118.6923 54 -0.12 47
IV.HLNI.HHZ. 2023-10-16T16:41:20.66 3.0 positive manual Pn -0.21 0
IV.AIO.HHZ. 2023-10-16T16:41:20.35 0.1 negative manual P 313 108.2139 101 -0.25 94
IV.GMB1.HHZ. 2023-10-16T16:41:19.81 0.6 undecidable manual P 344 100.2219 102 0.42 46
IV.SSY.HHZ. 2023-10-16T16:41:18.40 0.3 positive manual P 260 94.8384 102 -0.19 74
IV.HAVL.HHZ. 2023-10-16T16:41:18.95 0.1 positive manual P 247 97.125 102 0.02 100
IV.HSRS.HHZ. 2023-10-16T16:41:17.15 0.1 positive manual P 254 83.7495 104 0.23 98
IV.SOI.EHZ. 2023-10-16T16:41:17.84 1.0 negative manual P 355 85.5477 104 0.65 22
IV.HAGA.HHE. 2023-10-16T16:41:17.10 0.3 undecidable manual P 269 86.247 104 -0.19 75
IV.MTTG.HHE. 2023-10-16T16:41:17.20 0.6 undecidable manual P 334 86.3469 104 -0.1 51
IV.AGST.EHE. 2023-10-16T16:41:16.49 0.6 undecidable manual P 266 80.0643 105 0.13 51
IY.CNDF.HHE.00 2023-10-16T16:41:16.29 0.6 undecidable manual P 343 81.252 105 -0.25 49
IV.MPAZ.HHE. 2023-10-16T16:41:14.92 0.3 undecidable manual P 351 72.8715 107 -0.37 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.HAVL.HHE. ML:2.5 0.00028149999999999996 0.26 AML other m 2023-10-16T16:41:32.10
IV.HAVL.HHN. ML:2.4 0.00023199999999999997 1.76 AML other m 2023-10-16T16:41:32.99
IV.SSY.HHE. ML:1.9 0.00008415 0.88 AML other m 2023-10-16T16:41:37.59
IV.SSY.HHN. ML:2.3 0.0001885 0.92 AML other m 2023-10-16T16:41:38.53
IV.HMDC.HHN. ML:2.2 0.000111 1.14 AML other m 2023-10-16T16:41:38.84
IV.HMDC.HHE. ML:2.3 0.0001271 1 AML other m 2023-10-16T16:41:39.31
IV.HVZN.HHN. ML:2.4 0.0001735 0.38 AML other m 2023-10-16T16:41:42.22
IV.HVZN.HHE. ML:2.6 0.000264 0.4 AML other m 2023-10-16T16:41:44.47
IV.LIBRI.HNN. ML:2.3 0.00010555 1.16 AML other m 2023-10-16T16:41:46.80
IV.RAFF.HHE. ML:2.2 0.00006615 1.34 AML other m 2023-10-16T16:41:49.67
IV.LIBRI.HNE. ML:2.1 0.00007735 0.66 AML other m 2023-10-16T16:41:49.55
IV.RAFF.HHN. ML:2.2 0.00006375 0.42 AML other m 2023-10-16T16:41:52.37
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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