Earthquake with magnitude of ML 2.3 on date 31-10-2023 and time 23:14:44 (UTC) in region Mar Ionio Settentrionale (MARE)

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

  • 31-10-2023 23:14:44 (UTC)
  • 01-11-2023 00:14:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.8130, 16.4500 at 45 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
78 Km E of Reggio di Calabria (183035 inhabitants)
89 Km SE of Messina (238439 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 2023-10-31
23:14:44
37.8133 16.4497 45 2023-10-31
23:25:56
Sala Sismica INGV-Roma 122632181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-31 23:14:44 ± 0.17
Latitude 37.8133 ± 0.0108
Longitude 16.4497 ± 0.0159
Depth (km) 45 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122632181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1163
Semi-minor axis of confidence ellipse (meter) 1132
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 310
Circular confidence region, given by single value of horizontal uncertainty (meter) 1160.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 227
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.57561
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 14
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 122632181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-31 23:25:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
HL.VLS.HHZ. 2023-10-31T23:16:25.17 3.0 undecidable manual Sg 10.19 0
IV.CAFI.HHZ. 2023-10-31T23:16:20.86 3.0 undecidable manual Pn 3.89 0
IV.MRVN.HHZ. 2023-10-31T23:16:07.88 3.0 undecidable manual Sn -2.78 0
IV.NOCI.HHZ. 2023-10-31T23:15:59.93 3.0 undecidable manual Sn -5.44 0
MN.KLV.HHZ. 2023-10-31T23:15:53.21 3.0 positive manual Pn 0.73 0
IV.CAVT.HHZ. 2023-10-31T23:15:40.65 3.0 undecidable manual Pg 12.71 0
IV.LPDG.HHZ. 2023-10-31T23:15:40.08 3.0 undecidable manual Pn -0.7 0
HL.VLS.HHZ. 2023-10-31T23:15:36.34 3.0 undecidable manual Pn 0.71 0
IV.HLNI.HHZ. 2023-10-31T23:15:22.14 3.0 undecidable manual Sn -0.87 0
IV.ESML.HHZ. 2023-10-31T23:15:21.22 3.0 undecidable manual Sn 0.32 0
IV.HPAC.HHZ. 2023-10-31T23:15:10.82 0.1 undecidable manual P 226 174.8916 93 0.71 62
IV.HVZN.HHZ. 2023-10-31T23:15:09.43 3.0 positive manual Pn 0.48 0
IV.PLAC.HHZ. 2023-10-31T23:15:07.11 0.3 undecidable manual S 359 70.5738 103 0.34 71
IV.MRCB.HHZ. 2023-10-31T23:15:07.73 0.3 undecidable manual S 301 75.8685 101 -0.16 71
IV.HAVL.HHZ. 2023-10-31T23:15:07.08 0.1 undecidable manual P 231 150.5382 94 -0.01 84
IV.HLNI.HHZ. 2023-10-31T23:15:06.31 3.0 positive manual Pn -0.12 0
IV.MTTG.HHZ. 2023-10-31T23:15:06.60 0.3 undecidable manual S 288 68.8755 104 0.18 72
IV.GMB1.HHZ. 2023-10-31T23:15:06.24 0.3 undecidable manual S 306 68.0763 104 -0.01 75
IV.SSY.HHZ. 2023-10-31T23:15:05.64 0.1 undecidable manual P 239 141.2475 94 -0.3 82
IY.OPPI.HHZ. 2023-10-31T23:15:05.44 0.3 undecidable manual S 323 63.2922 106 0.17 74
IV.HSRS.HHE. 2023-10-31T23:15:04.69 0.1 undecidable manual P 234 134.4654 94 -0.4 81
IV.AGST.EHZ. 2023-10-31T23:15:03.37 0.1 undecidable manual P 240 123.987 95 -0.43 82
IV.NOV.HHZ. 2023-10-31T23:15:03.75 0.1 undecidable manual P 282 117.2937 95 0.78 73
IV.MPAZ.HHE. 2023-10-31T23:15:01.05 0.3 undecidable manual S 292 41.7249 123 0.02 79
IV.SOI.EHZ. 2023-10-31T23:15:01.13 0.6 undecidable manual S 310 45.0216 120 -0.5 46
IY.SPDC.HHZ. 2023-10-31T23:14:58.68 0.1 undecidable manual P 341 83.7495 99 -0.15 93
IV.MTTG.HHZ. 2023-10-31T23:14:57.31 0.6 undecidable manual P 288 68.8755 104 0.3 47
IV.PLAC.HHZ. 2023-10-31T23:14:57.03 0.1 undecidable manual P 359 70.5738 103 -0.18 95
IV.MRCB.HHZ. 2023-10-31T23:14:57.76 0.1 undecidable manual P 301 75.8685 101 -0.1 96
IY.OPPI.HHZ. 2023-10-31T23:14:56.31 0.1 undecidable manual P 323 63.2922 106 -0.03 100
IV.GMB1.HHZ. 2023-10-31T23:14:56.90 0.1 undecidable manual P 306 68.0763 104 -0.01 99
IV.MPAZ.HHE. 2023-10-31T23:14:54.16 0.1 undecidable manual P 292 41.7249 123 0.26 100
IV.SOI.EHZ. 2023-10-31T23:14:54.05 0.6 undecidable manual P 310 45.0216 120 -0.19 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SOI.EHN. ML:2.1 0.0002615 0.98 AML other m 2023-10-31T23:15:02.87
IV.SOI.EHE. ML:1.8 0.000134 1.06 AML other m 2023-10-31T23:15:02.73
IV.GMB1.HNE. ML:2.1 0.000185 0.78 AML other m 2023-10-31T23:15:06.88
IV.GMB1.HNN. ML:2.6 0.000518 1.52 AML other m 2023-10-31T23:15:07.77
IV.GMB1.HHE. ML:2.4 0.0003275 1.48 AML other m 2023-10-31T23:15:07.01
IV.GMB1.HHN. ML:2.5 0.000427 1.5 AML other m 2023-10-31T23:15:07.77
IY.OPPI.HHN. ML:2.4 0.00033650000000000005 1.06 AML other m 2023-10-31T23:15:07.68
IV.MTTG.HHN. ML:2.3 0.00027449999999999995 0.62 AML other m 2023-10-31T23:15:07.35
IY.OPPI.HHE. ML:2.4 0.0003945 0.32 AML other m 2023-10-31T23:15:07.52
IV.PLAC.HHN. ML:1.8 0.0000783 0.42 AML other m 2023-10-31T23:15:07.93
IV.PLAC.HHE. ML:2.0 0.0001295 1.1 AML other m 2023-10-31T23:15:07.44
IV.MRCB.HHN. ML:2.2 0.00017749999999999998 1.4 AML other m 2023-10-31T23:15:08.26
IV.MTTG.HHE. ML:2.1 0.0001575 0.8 AML other m 2023-10-31T23:15:08.02
IV.MRCB.HHE. ML:2.2 0.0001805 0.34 AML other m 2023-10-31T23:15:10.08
IY.SPDC.HHN. ML:2.4 0.0002985 0.5 AML other m 2023-10-31T23:15:10.45
IY.SPDC.HHE. ML:2.5 0.0003675 0.66 AML other m 2023-10-31T23:15:12.77
IV.AGST.EHN. ML:2.6 0.00028500000000000004 1.56 AML other m 2023-10-31T23:15:17.07
IV.AGST.EHE. ML:2.7 0.00032950000000000004 1.56 AML other m 2023-10-31T23:15:17.07
IV.NOV.HHN. ML:2.4 0.00017649999999999998 1.18 AML other m 2023-10-31T23:15:19.79
IV.NOV.HNN. ML:1.9 0.0000506 0.64 AML other m 2023-10-31T23:15:19.80
IV.NOV.HHE. ML:2.4 0.00019250000000000002 0.88 AML other m 2023-10-31T23:15:19.25
IV.NOV.HNE. ML:1.8 0.0000451 0.26 AML other m 2023-10-31T23:15:19.57
IV.HAVL.HHN. ML:2.8 0.000272 0.42 AML other m 2023-10-31T23:15:44.67
IV.HAVL.HHE. ML:2.7 0.000247 0.42 AML other m 2023-10-31T23:15:48.66
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
Waveforms Seismic signals in miniseed + resp format Download