Earthquake with magnitude of ML 1.8 on date 28-10-2023 and time 05:47:21 (UTC) in region Costa Marchigiana Anconetana (Ancona)

A magnitude ML 1.8 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 28-10-2023 05:47:21 (UTC)
  • 28-10-2023 07:47:21 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9340, 13.3920 at 10 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
31 Km E of Fano (60888 inhabitants)
37 Km N of Ancona (100861 inhabitants)
38 Km E of Pesaro (94582 inhabitants)
68 Km E of Rimini (147750 inhabitants)
95 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 1.8 2023-10-28
05:47:21
43.9343 13.3918 10 2023-10-28
06:12:50
Sala Sismica INGV-Roma 122497741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-10-28 05:47:21 ± 0.49
Latitude 43.9343 ± 0.0261
Longitude 13.3918 ± 0.0262
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 122497741

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 3260
Semi-minor axis of confidence ellipse (meter) 1470
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 3260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 247
Number of associated phases, regardless of their use for origin computation 44
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.11876
Number of stations at which the event was observed 40
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 122497741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-10-28 06:12:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.LAZR.HNZ. 2023-10-28T05:49:14.31 3.0 undecidable manual Pg 23.33 0
IV.MRVN.HHZ. 2023-10-28T05:49:14.26 3.0 undecidable manual Sg 19.290001 0
GU.SATI.HHZ. 2023-10-28T05:49:14.95 3.0 undecidable manual Sn -0.95 0
IV.HPAC.HHZ. 2023-10-28T05:49:11.20 3.0 undecidable manual Pn 4.38 0
IV.MRLC.HHZ. 2023-10-28T05:48:56.97 3.0 undecidable manual Sn 1.14 0
GU.LSD.HHZ. 2023-10-28T05:48:53.28 3.0 undecidable manual Pg 22.950001 0
IV.CAFE.HHZ. 2023-10-28T05:48:46.97 3.0 undecidable manual Sn -0.99 0
IV.TDS.HHZ. 2023-10-28T05:48:46.83 3.0 undecidable manual Pg 15.51 0
IV.SALB.HHZ. 2023-10-28T05:48:30.60 3.0 undecidable manual Pn 1.96 0
IT.DANT.HNZ. 2023-10-28T05:48:27.55 3.0 undecidable manual Sn -2.48 0
IV.PAOL.HHZ. 2023-10-28T05:48:20.76 3.0 undecidable manual Pg 13.19 0
NI.POLC.HHZ. 2023-10-28T05:48:16.37 3.0 undecidable manual Sn -1.4 0
IV.MCRV.HHZ. 2023-10-28T05:48:13.86 3.0 undecidable manual Pn 1.34 0
IV.PTRJ.HHZ. 2023-10-28T05:48:11.33 3.0 undecidable manual Pg 8.3 0
SI.BOSI.HHZ. 2023-10-28T05:48:11.76 3.0 negative manual Pg 7.97 0
IV.MELA.HHZ. 2023-10-28T05:47:59.26 3.0 negative manual Pn -1.29 0
IV.VAGA.HNZ. 2023-10-28T05:47:57.35 3.0 undecidable manual Pn -4.39 0
IV.BADI.EHE. 2023-10-28T05:47:54.05 0.6 undecidable manual S 243 103.3188 50 1.94 18
IV.FNVD.HHZ. 2023-10-28T05:47:48.84 3.0 positive manual Pn -0.13 0
IV.MGAB.HHZ. 2023-10-28T05:47:48.24 3.0 undecidable manual P 0
IV.PIEI.HHZ. 2023-10-28T05:47:46.97 0.6 undecidable manual S 238 81.6516 50 0.65 40
IV.MMO1.EHZ. 2023-10-28T05:47:42.02 0.1 undecidable manual P 183 114.8961 50 0.93 66
IV.NRCA.HHZ. 2023-10-28T05:47:42.84 0.1 undecidable manual P 190 124.1868 50 0.33 80
IV.MC2.EHE. 2023-10-28T05:47:41.66 0.1 undecidable manual P 188 114.5964 50 0.61 76
IV.ATVA.EHN. 2023-10-28T05:47:41.36 0.1 undecidable manual P 231 114.8961 50 0.28 83
IV.ASSB.HHZ. 2023-10-28T05:47:40.96 0.1 undecidable manual P 211 115.1958 50 -0.17 85
IV.BADI.EHE. 2023-10-28T05:47:39.65 0.1 undecidable manual P 243 103.3188 50 0.34 84
IV.MF5.EHZ. 2023-10-28T05:47:39.93 0.1 undecidable manual P 177 105.117 50 0.35 83
IV.TSM3.DH2.01 2023-10-28T05:47:39.51 0.1 undecidable manual P 234 103.2189 50 0.22 86
IV.TB02.DHZ.01 2023-10-28T05:47:39.00 0.1 undecidable manual P 232 100.6215 50 0.11 88
IV.FDMO.HHZ. 2023-10-28T05:47:38.58 0.1 undecidable manual P 194 102.6195 50 -0.61 78
IV.TB01.DHE.01 2023-10-28T05:47:38.76 0.1 undecidable manual P 232 98.2239 50 0.24 86
IV.TSM2.DHZ. 2023-10-28T05:47:38.00 0.1 undecidable manual P 231 93.8394 50 0.16 89
IV.CSP1.EHZ. 2023-10-28T05:47:38.47 1.0 undecidable manual P 189 94.6386 50 0.5 21
IV.ATPI.HNE. 2023-10-28T05:47:38.41 0.1 undecidable manual P 236 95.8263 50 0.26 86
IV.AOI.HHE. 2023-10-28T05:47:37.16 0.6 undecidable manual S 158 45.8208 50 0.41 46
IV.MML1.EHZ. 2023-10-28T05:47:37.69 0.1 undecidable manual P 201 97.125 50 -0.66 77
IV.PIEI.HHZ. 2023-10-28T05:47:35.59 1.0 positive manual P 238 81.6516 50 -0.38 22
IV.CING.HHE. 2023-10-28T05:47:32.56 0.1 undecidable manual P 194 63.9915 50 -0.68 82
IV.ARVD.HHZ. 2023-10-28T05:47:32.23 0.1 undecidable manual P 217 60.3951 50 -0.46 89
IV.SENI.EHZ. 2023-10-28T05:47:31.26 0.3 undecidable manual S 207 28.4493 50 -0.85 61
IV.AOI.HHE. 2023-10-28T05:47:30.43 0.1 undecidable manual P 158 45.8208 50 -0.01 100
IV.PESA.HHE. 2023-10-28T05:47:29.47 0.1 undecidable manual P 271 44.1225 50 -0.7 84
IV.SENI.EHZ. 2023-10-28T05:47:27.00 0.1 undecidable manual P 207 28.4493 50 -0.76 84
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SENI.EHE. ML:0.0 0.00042699999999999997 1.32 AML other m 2023-10-28T05:47:35.93
IV.SENI.EHN. ML:0.0 0.0004955000000000001 0.46 AML other m 2023-10-28T05:47:35.29
IV.PIEI.HHN. ML:1.6 0.000054 1.12 AML other m 2023-10-28T05:47:53.23
IV.PIEI.HHE. ML:1.6 0.00006155 0.36 AML other m 2023-10-28T05:47:54.04
IV.ASSB.HHE. ML:1.8 0.0000534111 0.4 AML other m 2023-10-28T05:48:00.44
IV.ASSB.HHN. ML:1.9 0.000061883825 0.3392 AML other m 2023-10-28T05:48:02.60
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