Earthquake with magnitude of ML 1.8 on date 01-11-2023 and time 03:13:40 (UTC) in region Mar Ionio Meridionale (MARE)

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

  • 01-11-2023 03:13:40 (UTC)
  • 01-11-2023 04:13:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 37.5270, 15.9130 at 22 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
67 Km E of Acireale (52622 inhabitants)
69 Km SE of Reggio di Calabria (183035 inhabitants)
73 Km E of Catania (314555 inhabitants)
75 Km NE of Siracusa (122291 inhabitants)
81 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 1.8 2023-11-01
03:13:40
37.527 15.9132 22 2023-11-01
03:26:57
Sala Sismica INGV-Roma 122634591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-11-01 03:13:40 ± 0.21
Latitude 37.5270 ± 0.0081
Longitude 15.9132 ± 0.0193
Depth (km) 22 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122634591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1697
Semi-minor axis of confidence ellipse (meter) 819
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 296
Circular confidence region, given by single value of horizontal uncertainty (meter) 1700.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 217
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 22
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) 0.84716
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 26
Type of magnitude ML
Reference to an origin 122634591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-11-01 03:26:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LAV9.HNZ. 2023-11-01T03:15:06.75 3.0 undecidable manual Pg 15.38 0
IV.GIUL.HHZ. 2023-11-01T03:14:51.63 3.0 positive manual Pn 4.46 0
IV.PIPA.HHZ. 2023-11-01T03:14:35.49 3.0 undecidable manual Sn -5.9 0
IV.SELL.HHZ. 2023-11-01T03:14:25.79 3.0 undecidable manual Sg -2.96 0
IV.ORI.HHZ. 2023-11-01T03:14:22.48 3.0 undecidable manual Pg 1.39 0
IV.HLNI.HHZ. 2023-11-01T03:14:06.81 3.0 undecidable manual Sn -0.71 0
IV.SERS.HHZ. 2023-11-01T03:14:06.93 3.0 positive manual Pn -1.74 0
IV.IFIL.HHZ. 2023-11-01T03:14:04.42 3.0 positive manual Pn -0.66 0
IV.HSRS.HHZ. 2023-11-01T03:14:03.28 0.3 undecidable manual S 232 77.6667 100 -0.41 68
IV.AIO.HHZ. 2023-11-01T03:14:03.76 0.3 undecidable manual S 310 77.367 100 0.16 71
IV.MRCB.HHZ. 2023-11-01T03:14:01.83 0.3 undecidable manual S 345 72.7716 101 -0.57 63
IV.AGST.EHZ. 2023-11-01T03:14:00.91 0.3 undecidable manual S 244 67.4769 102 -0.1 73
IV.HMDC.HHZ. 2023-11-01T03:13:59.19 3.0 positive manual Pn -0.31 0
IV.ISPIC.HHZ. 2023-11-01T03:13:59.73 3.0 negative manual Pn -0.44 0
IV.MTTG.HHZ. 2023-11-01T03:13:58.07 0.3 undecidable manual S 341 55.9995 104 0.05 76
IV.MUCR.HHZ. 2023-11-01T03:13:58.08 3.0 positive manual Pn 0.14 0
IV.SOI.EHZ. 2023-11-01T03:13:58.97 0.3 undecidable manual S 11 61.8936 103 -0.56 64
IY.CNDF.HHE.00 2023-11-01T03:13:57.71 0.3 undecidable manual S 355 53.0025 105 0.45 70
IV.MPAZ.HHE. 2023-11-01T03:13:56.24 0.6 undecidable manual S 10 48.0186 107 0.28 49
IV.HLNI.HHZ. 2023-11-01T03:13:55.67 3.0 positive manual Pn -0.14 0
IV.HAVL.HHZ. 2023-11-01T03:13:55.99 1.0 negative manual P 228 94.0392 98 -0.27 22
IV.NOV.HHZ. 2023-11-01T03:13:55.31 1.0 positive manual P 309 87.8454 99 -0.01 24
IV.MPNC.HHE. 2023-11-01T03:13:54.61 0.1 undecidable manual P 325 84.4488 99 -0.19 92
IV.SSY.HHZ. 2023-11-01T03:13:54.58 0.1 undecidable manual P 241 84.6486 99 -0.24 92
IV.AIO.HHZ. 2023-11-01T03:13:53.70 0.1 undecidable manual P 310 77.367 100 -0.02 97
IV.HSRS.HHZ. 2023-11-01T03:13:53.65 0.1 undecidable manual P 232 77.6667 100 -0.12 95
IV.AGST.EHZ. 2023-11-01T03:13:52.46 0.1 positive manual P 244 67.4769 102 0.23 94
IV.HAGA.HHE. 2023-11-01T03:13:52.98 0.1 undecidable manual P 248 71.9724 101 0.08 96
IV.MRCB.HHZ. 2023-11-01T03:13:52.67 0.1 undecidable manual P 345 72.7716 101 -0.36 90
IV.EPOZ.HHE. 2023-11-01T03:13:52.69 0.1 undecidable manual P 284 65.6898 102 0.74 81
IV.SOI.EHZ. 2023-11-01T03:13:51.12 0.1 undecidable manual P 11 61.8936 103 -0.25 94
IY.CNDF.HHE.00 2023-11-01T03:13:50.28 0.1 undecidable manual P 355 53.0025 105 0.22 98
IV.MTTG.HHZ. 2023-11-01T03:13:50.83 0.1 negative manual P 341 55.9995 104 0.33 95
IV.MPAZ.HHE. 2023-11-01T03:13:49.47 0.1 undecidable manual P 10 48.0186 107 0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.AGST.EHE. ML:2.4 0.00043599999999999997 0.12 AML other m 2023-11-01T03:14:01.37
IV.AGST.EHN. ML:2.5 0.0005466397 0.12 AML other m 2023-11-01T03:14:01.41
IV.HLNI.HHE. ML:2.1 0.0001410557 0.08 AML other m 2023-11-01T03:14:07.47
IV.HLNI.HHN. ML:2.0 0.00011683599999999999 0.08 AML other m 2023-11-01T03:14:07.67
IV.MTTG.HHE. ML:1.6 0.00007483199 1.0208 AML other m 2023-11-01T03:14:10.88
IV.MTTG.HHN. ML:1.7 0.000092956795 1.3392 AML other m 2023-11-01T03:14:10.22
IV.SOI.EHE. ML:1.6 0.000077771595 0.3808 AML other m 2023-11-01T03:13:59.27
IV.SOI.EHN. ML:1.6 0.000064184055 0.28 AML other m 2023-11-01T03:14:01.73
IV.MRCB.HHE. ML:1.7 0.00007181930999999999 1.12 AML other m 2023-11-01T03:14:11.02
IV.MRCB.HHN. ML:1.7 0.00007846618999999999 1.7184 AML other m 2023-11-01T03:14:17.54
IV.HSRS.HHE. ML:1.9 0.00010122400500000001 1.2592 AML other m 2023-11-01T03:13:53.79
IV.HSRS.HHN. ML:1.7 0.000068644785 1.24 AML other m 2023-11-01T03:14:22.48
IV.AIO.HHE. ML:1.3 0.000030926265 0.8992 AML other m 2023-11-01T03:14:17.13
IV.AIO.HHN. ML:1.3 0.0000272108475 0.6 AML other m 2023-11-01T03:14:14.29
IV.SSY.HHE. ML:1.8 0.000070358955 0.1584 AML other m 2023-11-01T03:14:08.06
IV.SSY.HHN. ML:2.1 0.0001611099 0.0992 AML other m 2023-11-01T03:14:07.15
IV.SSY.HNE. ML:2.1 0.00014092145 0.1792 AML other m 2023-11-01T03:14:08.59
IV.SSY.HNN. ML:2.1 0.000152217995 1.3408 AML other m 2023-11-01T03:13:54.77
IV.NOV.HNE. ML:1.3 0.000024228635 1.2592 AML other m 2023-11-01T03:14:13.28
IV.NOV.HNN. ML:1.3 0.000024103414999999998 0.88 AML other m 2023-11-01T03:14:09.60
IV.NOV.HHE. ML:1.7 0.000054581735 0.5184 AML other m 2023-11-01T03:14:22.87
IV.NOV.HHN. ML:1.6 0.00004630218 1.4192 AML other m 2023-11-01T03:14:28.23
IV.HLNI.HNE. ML:2.1 0.00014679409999999998 0.0912 AML other m 2023-11-01T03:14:07.49
IV.HLNI.HNN. ML:2.1 0.000125430425 0.6704 AML other m 2023-11-01T03:14:19.08
IV.HAVL.HHE. ML:2.0 0.000114660985 1.1408 AML other m 2023-11-01T03:14:27.06
IV.HAVL.HHN. ML:2.0 0.000095857725 1.3408 AML other m 2023-11-01T03:13:55.60
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