Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.3 on date 07-10-2023 and time 14:58:26 (Italy) in region Costa Marchigiana Anconetana (Ancona)

A magnitude ML 2.3 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 07-10-2023 12:58:26 (UTC)
  • 07-10-2023 14:58:26 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9220, 13.3760 at 30 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

No Italian municipalities within 20 km distance.

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Fano (60888 inhabitants)
36 Km NW of Ancona (100861 inhabitants)
37 Km E of Pesaro (94582 inhabitants)
67 Km E of Rimini (147750 inhabitants)
94 Km E of Cesena (96758 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 2023-10-07
12:58:26		 43.9217 13.3763 30 2023-10-07
13:14:33		 Sala Sismica INGV-Roma 121854091
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-07 12:58:26 ± 0.23
Latitude 43.9217 ± 0.0117
Longitude 13.3763 ± 0.0125
Depth (km) 30 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121854091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1118
Semi-minor axis of confidence ellipse (meter) 1088
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 209
Circular confidence region, given by single value of horizontal uncertainty (meter) 1120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 243
Number of associated phases, regardless of their use for origin computation 62
Number of defining phases 14
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) 0.53240
Number of stations at which the event was observed 54
Number of stations from which data was used for origin computation 9
Magnitude information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 64
Type of magnitude ML
Reference to an origin 121854091
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-07 13:14:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.TRAV.HHZ. 2023-10-07T13:00:26.27 3.0 undecidable manual Sn -2.12 0
GU.CANO.HHZ. 2023-10-07T13:00:18.11 3.0 undecidable manual Sn 5.38 0
IV.PZIN.HHZ. 2023-10-07T13:00:11.08 3.0 negative manual Pn -1.71 0
GU.GORR.HHZ. 2023-10-07T13:00:11.08 3.0 undecidable manual Sg 15.07 0
IV.CQUE.HHZ. 2023-10-07T12:59:55.83 3.0 undecidable manual Sn 1.45 0
IV.SPS2.HHZ. 2023-10-07T12:59:44.61 3.0 negative manual Pn -0.39 0
IV.TREG.HNZ. 2023-10-07T12:59:42.88 3.0 undecidable manual Sg 3.92 0
GU.GRAM.HHZ. 2023-10-07T12:59:41.75 3.0 undecidable manual Sn -0.49 0
OX.CIMO.HHZ. 2023-10-07T12:59:41.42 3.0 undecidable manual Sn -4.11 0
OX.MPRI.HHZ. 2023-10-07T12:59:37.73 3.0 undecidable manual Sn -4.42 0
OT.TAR1.HHZ. 2023-10-07T12:59:34.92 3.0 negative manual Pn -1.27 0
IV.SARZ.HHZ. 2023-10-07T12:59:25.91 3.0 undecidable manual Pn 3.74 0
IV.MOCO.HHZ. 2023-10-07T12:59:22.84 3.0 undecidable manual Pg 8.88 0
IV.MRLC.HHZ. 2023-10-07T12:59:19.63 3.0 positive manual Pn -3.38 0
IX.SCL3.EHZ.02 2023-10-07T12:59:19.82 3.0 negative manual Pn -4.04 0
IV.MELA.HHZ. 2023-10-07T12:59:14.21 3.0 negative manual Pg 4.41 0
IV.FREG.EHZ. 2023-10-07T12:59:13.17 3.0 undecidable manual Pg 5.03 0
IV.MAGA.HHZ. 2023-10-07T12:59:12.60 3.0 undecidable manual Pn -1.5 0
IV.ARRO.EHZ. 2023-10-07T12:59:11.97 3.0 undecidable manual S -1.38 0
OT.OT05.EHZ. 2023-10-07T12:59:11.43 3.0 positive manual Pn -1.67 0
IV.BDI.HHZ. 2023-10-07T12:59:03.16 3.0 undecidable manual Pn -0.45 0
IV.FIAM.HHZ. 2023-10-07T12:58:59.03 3.0 positive manual P 1.98 0
IV.PARC.HHZ. 2023-10-07T12:58:59.85 3.0 undecidable manual S 0.53 0
IV.ATCC.EHZ. 2023-10-07T12:58:58.45 3.0 undecidable manual S -0.14 0
IV.ARRO.EHZ. 2023-10-07T12:58:55.14 3.0 positive manual P 1.48 0
IV.SACS.HHZ. 2023-10-07T12:58:55.92 3.0 undecidable manual P 0.52 0
IV.MGAB.HHZ. 2023-10-07T12:58:53.68 3.0 negative manual P 0.36 0
IV.MOMA.HHZ. 2023-10-07T12:58:52.80 3.0 positive manual P 1.13 0
IV.SMA1.EHZ. 2023-10-07T12:58:52.07 3.0 negative manual P 0.12 0
IV.LMD.HHZ. 2023-10-07T12:58:51.45 3.0 positive manual P -1.35 0
IV.TERO.HHZ. 2023-10-07T12:58:51.98 3.0 positive manual P -0.28 0
IV.SFI.EHZ. 2023-10-07T12:58:50.43 3.0 positive manual P -0.45 0
IV.CRE.HHZ. 2023-10-07T12:58:50.61 3.0 negative manual P 0.93 0
IV.NRCA.HHZ. 2023-10-07T12:58:47.12 3.0 undecidable manual P -1.51 0
IV.ATMI.HHZ. 2023-10-07T12:58:47.68 3.0 negative manual P 0.21 0
IV.MMO1.EHZ. 2023-10-07T12:58:47.24 3.0 positive manual P 0.11 0
IV.MF5.EHZ. 2023-10-07T12:58:46.21 3.0 positive manual P 0.65 0
IV.PARC.HHZ. 2023-10-07T12:58:46.31 3.0 positive manual P 0.53 0
IV.CESI.HHZ. 2023-10-07T12:58:46.88 3.0 undecidable manual P 0.51 0
IV.ASSB.HHZ. 2023-10-07T12:58:46.23 3.0 negative manual P -1.09 0
IV.ATFO.HHZ. 2023-10-07T12:58:45.29 3.0 positive manual P 1.57 0
IV.ATCC.EHZ. 2023-10-07T12:58:44.48 3.0 undecidable manual P -0.89 0
IV.FDMO.HHZ. 2023-10-07T12:58:44.52 3.0 undecidable manual P -0.51 0
IV.GUMA.HHZ. 2023-10-07T12:58:44.06 3.0 negative manual P -0.04 0
IV.ATPI.EHZ. 2023-10-07T12:58:43.16 3.0 positive manual P -1.69 0
IV.MML1.EHZ. 2023-10-07T12:58:43.12 3.0 negative manual P -1.04 0
IV.CSP1.EHZ. 2023-10-07T12:58:42.62 3.0 undecidable manual P -1.09 0
IV.PESA.HHZ. 2023-10-07T12:58:41.60 0.1 undecidable manual S 273 42.9237 120 0.2 95
IV.PIEI.HHZ. 2023-10-07T12:58:40.45 3.0 negative manual P -2.11 0
VM.AMEN.HHE. 2023-10-07T12:58:40.01 0.3 undecidable manual S 171 35.1426 125 0.36 70
IV.PCRO.HNZ. 2023-10-07T12:58:39.83 0.3 undecidable manual S 160 37.0296 124 -0.24 71
IV.FANO.HNN. 2023-10-07T12:58:38.20 0.6 undecidable manual S 253 29.9478 130 -0.36 47
IV.SENI.HNZ. 2023-10-07T12:58:37.75 0.3 undecidable manual S 206 26.5512 134 -0.15 74
IV.MPAG.EHZ. 2023-10-07T12:58:37.01 0.6 undecidable manual P 237 59.0964 111 -0.2 46
IV.ARVD.HHZ. 2023-10-07T12:58:36.86 0.1 undecidable manual P 217 58.497 112 -0.26 91
IV.AOI.HHZ. 2023-10-07T12:58:35.41 0.1 undecidable manual P 156 45.0216 118 0.18 96
IV.COR1.EHZ. 2023-10-07T12:58:35.36 0.1 undecidable manual P 223 44.0226 119 0.25 95
IV.PCRO.HNZ. 2023-10-07T12:58:34.18 0.1 undecidable manual P 160 37.0296 124 0 100
IV.PESA.HHZ. 2023-10-07T12:58:34.88 0.1 undecidable manual P 273 42.9237 120 -0.07 98
VM.AMEN.HHE. 2023-10-07T12:58:34.09 0.1 undecidable manual P 171 35.1426 125 0.15 98
IV.FANO.HNN. 2023-10-07T12:58:33.33 0.6 undecidable manual P 253 29.9478 130 0.02 51
IV.SENI.HNZ. 2023-10-07T12:58:32.47 0.6 undecidable manual P 206 26.5512 134 -0.46 46
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SENI.EHN. ML:2.6 0.001495 0.5 AML other m 2023-10-07T12:58:37.57
IV.SENI.EHE. ML:2.4 0.0009599999999999999 0.64 AML other m 2023-10-07T12:58:37.68
IV.SENI.HNE. ML:3.2 0.00583 0.16 AML other m 2023-10-07T12:58:38.20
IV.SENI.HNN. ML:3.3 0.00774 0.72 AML other m 2023-10-07T12:58:38.11
IV.PESA.HHE. ML:2.7 0.001219 0.3 AML other m 2023-10-07T12:58:42.15
IV.PESA.HHN. ML:2.6 0.0009055 0.34 AML other m 2023-10-07T12:58:42.81
IV.AOI.HHE. ML:2.1 0.0002965 1.66 AML other m 2023-10-07T12:58:43.88
IV.AOI.HHN. ML:2.2 0.0003685 0.76 AML other m 2023-10-07T12:58:44.13
IV.COR1.EHE. ML:2.4 0.0007125 1 AML other m 2023-10-07T12:58:44.12
IV.ARVD.HHN. ML:1.9 0.00014649999999999998 1.58 AML other m 2023-10-07T12:58:48.19
IV.CING.HHE. ML:2.0 0.0001825 1.66 AML other m 2023-10-07T12:58:50.86
IV.CING.HHN. ML:1.9 0.0001225 1.82 AML other m 2023-10-07T12:58:50.04
IV.ARVD.HHE. ML:1.8 0.0001265 0.5 AML other m 2023-10-07T12:58:50.24
IV.MPAG.EHE. ML:2.0 0.00019700000000000002 0.56 AML other m 2023-10-07T12:58:51.17
IV.COR1.EHN. ML:2.4 0.0007035 0.42 AML other m 2023-10-07T12:58:51.77
IV.PIEI.HHN. ML:2.0 0.000131 0.18 AML other m 2023-10-07T12:58:54.18
IV.MPAG.EHN. ML:2.1 0.00022950000000000002 0.4 AML other m 2023-10-07T12:58:54.83
IV.FRON.EHE. ML:2.1 0.000187 0.58 AML other m 2023-10-07T12:58:54.98
IV.SNTG.HHN. ML:2.2 0.00019600000000000002 0.38 AML other m 2023-10-07T12:58:55.45
IV.PIEI.HHE. ML:2.3 0.0002685 0.28 AML other m 2023-10-07T12:58:57.37
IV.SNTG.HHE. ML:2.1 0.000157 0.52 AML other m 2023-10-07T12:58:57.73
IV.FRON.EHN. ML:2.1 0.000199 1.48 AML other m 2023-10-07T12:59:00.95
IV.MML1.HNN. ML:2.3 0.0002 0.78 AML other m 2023-10-07T12:59:00.48
IV.ATFO.HHN. ML:2.1 0.0001505 0.68 AML other m 2023-10-07T12:59:00.93
IV.ATFO.HHE. ML:2.4 0.0002665 0.48 AML other m 2023-10-07T12:59:00.69
IV.CSP1.EHE. ML:2.7 0.0005480000000000001 0.56 AML other m 2023-10-07T12:59:00.73
IV.MML1.HNE. ML:2.4 0.000263 1.32 AML other m 2023-10-07T12:59:00.24
IV.MML1.EHN. ML:2.4 0.00023150000000000002 1.18 AML other m 2023-10-07T12:59:01.28
IV.GUMA.HHE. ML:3.0 0.001038 0.36 AML other m 2023-10-07T12:59:01.29
IV.GUMA.HHN. ML:2.7 0.0004945 0.42 AML other m 2023-10-07T12:59:01.68
IV.CSP1.EHN. ML:2.7 0.000536 1.36 AML other m 2023-10-07T12:59:02.09
IV.FDMO.HHE. ML:2.4 0.00020500000000000002 0.32 AML other m 2023-10-07T12:59:02.25
IV.MML1.EHE. ML:2.4 0.0002825 0.3 AML other m 2023-10-07T12:59:02.28
IV.PARC.HHE. ML:2.0 0.00010095000000000001 0.48 AML other m 2023-10-07T12:59:02.85
IV.ATPI.EHN. ML:2.1 0.0001325 1.48 AML other m 2023-10-07T12:59:02.05
IV.MF5.EHN. ML:2.6 0.0003145 0.74 AML other m 2023-10-07T12:59:03.84
IV.MF5.EHE. ML:2.5 0.0002635 0.42 AML other m 2023-10-07T12:59:03.57
IV.ATCC.EHE. ML:2.6 0.0004145 0.32 AML other m 2023-10-07T12:59:03.66
IV.FDMO.HHN. ML:2.2 0.00013350000000000002 0.74 AML other m 2023-10-07T12:59:03.34
IV.ATCC.EHN. ML:2.6 0.000357 0.36 AML other m 2023-10-07T12:59:03.92
IV.PARC.HHN. ML:2.1 0.000117 1.44 AML other m 2023-10-07T12:59:04.91
IV.CESI.HHN. ML:2.7 0.00043149999999999997 0.42 AML other m 2023-10-07T12:59:04.60
IV.ATPI.EHE. ML:2.1 0.000136 0.32 AML other m 2023-10-07T12:59:05.36
IV.MMO1.EHE. ML:2.5 0.0002685 0.94 AML other m 2023-10-07T12:59:05.27
IV.CESI.HHE. ML:2.4 0.00020950000000000002 1.2 AML other m 2023-10-07T12:59:05.88
IV.ASSB.HHE. ML:2.6 0.00035099999999999997 0.38 AML other m 2023-10-07T12:59:05.73
IV.ASSB.HHN. ML:2.6 0.00028700000000000004 1.38 AML other m 2023-10-07T12:59:05.06
IV.MMO1.EHN. ML:2.4 0.0002145 0.46 AML other m 2023-10-07T12:59:07.18
IV.ATMI.HHN. ML:2.4 0.0001965 0.6 AML other m 2023-10-07T12:59:08.51
IV.NRCA.HHN. ML:2.3 0.00014700000000000002 0.68 AML other m 2023-10-07T12:59:08.19
IV.SFI.EHE. ML:1.8 0.0000467 0.56 AML other m 2023-10-07T12:59:09.77
IV.CRE.HHN. ML:2.2 0.000108 0.44 AML other m 2023-10-07T12:59:11.44
IV.CRE.HHE. ML:2.0 0.00007705 0.68 AML other m 2023-10-07T12:59:11.37
IV.ATMI.HHE. ML:2.4 0.0001955 0.46 AML other m 2023-10-07T12:59:12.18
IV.NRCA.HHE. ML:2.4 0.0001545 0.22 AML other m 2023-10-07T12:59:12.34
IV.SFI.EHN. ML:1.9 0.0000562 0.76 AML other m 2023-10-07T12:59:12.76
IV.LMD.HHN. ML:2.0 0.00005275 0.42 AML other m 2023-10-07T12:59:13.22
IV.LMD.HHE. ML:2.1 0.00007209999999999999 1.44 AML other m 2023-10-07T12:59:13.87
IV.MOMA.HHE. ML:2.4 0.00013900000000000002 0.42 AML other m 2023-10-07T12:59:14.67
IV.TERO.HHE. ML:2.0 0.000054399999999999994 1.62 AML other m 2023-10-07T12:59:14.04
IV.MOMA.HHN. ML:2.4 0.000143 1.02 AML other m 2023-10-07T12:59:15.09
IV.SMA1.EHE. ML:2.4 0.0001233 1.44 AML other m 2023-10-07T12:59:17.19
IV.TERO.HHN. ML:2.2 0.0000789 1.5 AML other m 2023-10-07T12:59:18.11
IV.SMA1.EHN. ML:2.4 0.000126 1.52 AML other m 2023-10-07T12:59:19.79
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
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