Earthquake with magnitude of ML 1.9 on date 04-01-2023 and time 08:34:26 (UTC) in region Costa Marchigiana Anconetana (Ancona)

A magnitude ML 1.9 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 04-01-2023 08:34:26 (UTC)
  • 04-01-2023 09:34:26 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9230, 13.3280 at 8 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
26 Km E of Fano (60888 inhabitants)
33 Km E of Pesaro (94582 inhabitants)
37 Km NW of Ancona (100861 inhabitants)
63 Km E of Rimini (147750 inhabitants)
90 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
Bulletin
Rev1000
ML 1.9 2023-01-04
08:34:26
43.923 13.3282 9 2024-03-01
17:18:05
Bollettino Sismico Italiano INGV 116828761
Reviewed
Rev100
ML 1.8 2023-01-04
08:34:28
43.856 13.2142 10 2023-07-29
22:57:43
Sala Sismica INGV-Roma 113298921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-04 08:34:26 ± 0.27
Latitude 43.9230 ± 0.0108
Longitude 13.3282 ± 0.0112
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116828761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1391
Semi-minor axis of confidence ellipse (meter) 400
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 214
Circular confidence region, given by single value of horizontal uncertainty (meter) 1390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 233
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 38
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.22843
Epicentral distance of station farthest from the epicenter (degree) 1.00454
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 30
Magnitudes information

ML:1.9

Field Value
Value 1.9
Uncertainty 0.3
Num. used stations 54
Type of magnitude ML
Reference to an origin 116828761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-07-29 22:56:20

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 113298921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-04 08:41:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2023-01-04T08:34:45.03 0.3 undecidable manual P 199 107.4147 50 0.21 63
IV.ASSB.HHZ. 2023-01-04T08:34:45.72 0.3 undecidable manual P 209 111.4995 50 0.27 62
IV.BADI.EHZ. 2023-01-04T08:34:43.59 0.3 undecidable manual P 243 98.2239 50 0.18 65
IV.FDMO.HHZ. 2023-01-04T08:34:43.75 0.3 undecidable manual P 191 100.2219 50 0.04 66
IV.PARC.HHZ. 2023-01-04T08:34:43.02 0.3 undecidable manual P 251 92.4408 50 0.51 61
IV.CSP1.EHE. 2023-01-04T08:34:42.92 1.0 undecidable manual P 186 92.7405 50 0.37 21
IV.MML1.HNZ. 2023-01-04T08:34:42.59 0.3 undecidable manual P 198 94.239 50 -0.2 65
IV.AOI.HHE. 2023-01-04T08:34:42.24 0.6 undecidable manual S 152 46.8198 50 0.19 47
IV.FOSV.EHZ. 2023-01-04T08:34:41.76 0.3 undecidable manual P 213 83.25 50 0.67 58
IV.ATFO.HHZ. 2023-01-04T08:34:41.86 1.0 undecidable manual P 225 86.6466 50 0.25 22
IV.PESA.HHZ. 2023-01-04T08:34:40.20 0.6 undecidable manual S 273 39.0276 50 0.23 48
IV.ATBU.EHZ. 2023-01-04T08:34:40.60 0.3 undecidable manual P 232 79.8645 50 0.03 69
IV.SNTG.HHZ. 2023-01-04T08:34:40.23 0.3 undecidable manual P 203 80.364 50 -0.42 64
IV.ATSC.EHZ. 2023-01-04T08:34:39.92 1.0 undecidable manual P 223 75.5688 50 0 23
IV.PCRO.HNZ. 2023-01-04T08:34:39.79 1.0 undecidable manual S 155 38.628 50 -0.07 25
Y1.T1742.HNZ. 2023-01-04T08:34:39.76 0.6 undecidable manual S 196 35.4423 50 0.76 41
IV.PIEI.HHZ. 2023-01-04T08:34:39.52 0.3 undecidable manual P 236 76.7676 50 -0.57 61
IV.EL6.EHZ. 2023-01-04T08:34:38.46 0.3 undecidable manual P 196 68.2761 50 -0.33 66
IV.NARO.HHZ. 2023-01-04T08:34:38.36 0.3 undecidable manual P 240 69.1752 50 -0.57 62
Y1.T1711.HNZ.01 2023-01-04T08:34:38.31 1.0 undecidable manual P 279 59.0964 50 0.94 18
Y1.T1743.HNZ. 2023-01-04T08:34:38.96 0.6 undecidable manual S 256 36.1416 50 -0.24 48
IV.FRON.EHZ. 2023-01-04T08:34:37.92 1.0 undecidable manual P 227 65.9895 50 -0.51 21
IV.CING.HHZ. 2023-01-04T08:34:37.56 0.3 undecidable manual P 190 61.6938 50 -0.2 69
IV.FANO.HNZ. 2023-01-04T08:34:36.12 0.6 undecidable manual S 250 26.2515 108 0.03 51
IV.MPAG.EHZ. 2023-01-04T08:34:36.40 1.0 undecidable manual P 235 55.9995 50 -0.5 22
Y1.T1741.EHZ. 2023-01-04T08:34:36.99 1.0 undecidable manual S 231 30.0477 106 -0.34 24
IV.ARVD.HHZ. 2023-01-04T08:34:36.33 0.3 undecidable manual P 213 56.3991 50 -0.63 62
IV.AOI.HHE. 2023-01-04T08:34:35.44 0.3 undecidable manual P 152 46.8198 50 -0.04 73
IV.SENI.EHZ. 2023-01-04T08:34:35.70 0.6 undecidable manual S 198 25.3524 108 -0.07 50
IV.PCRO.HNZ. 2023-01-04T08:34:34.14 0.6 undecidable manual P 155 38.628 50 -0.07 49
IV.PESA.HHZ. 2023-01-04T08:34:34.28 0.3 undecidable manual P 273 39.0276 50 0 75
IV.CRTC.HHZ. 2023-01-04T08:34:34.11 0.3 undecidable manual P 244 39.5271 50 -0.25 71
IV.COR1.EHZ. 2023-01-04T08:34:34.82 0.3 undecidable manual P 219 41.625 50 0.14 72
Y1.T1743.HNZ. 2023-01-04T08:34:34.03 1.0 undecidable manual P 256 36.1416 50 0.19 24
Y1.T1742.HNZ. 2023-01-04T08:34:33.86 0.3 undecidable manual P 196 35.4423 50 0.14 73
IV.FANO.HNZ. 2023-01-04T08:34:32.44 0.6 undecidable manual P 250 26.2515 108 0.4 47
Y1.T1741.EHZ. 2023-01-04T08:34:32.77 0.3 undecidable manual P 231 30.0477 106 0.01 76
IV.SENI.EHZ. 2023-01-04T08:34:31.97 0.1 undecidable manual P 198 25.3524 108 0.11 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SENI.EHN. ML:1.8 0.000411 0.98 AML other m 2023-01-04T08:34:36.69
IV.SENI.HNN. ML:2.4 0.0016699999999999998 0.74 AML other m 2023-01-04T08:34:37.54
IV.SENI.EHE. ML:2.0 0.0006014999999999999 1.04 AML other m 2023-01-04T08:34:38.21
IV.SENI.HNE. ML:2.5 0.001716 1.04 AML other m 2023-01-04T08:34:39.54
IV.PESA.HHE. ML:2.4 0.0009285 0.76 AML other m 2023-01-04T08:34:41.64
IV.PESA.HHN. ML:2.3 0.000745 0.2 AML other m 2023-01-04T08:34:41.34
IV.CRTC.HHN. ML:2.0 0.000389 0.36 AML other m 2023-01-04T08:34:42.26
IV.AOI.HHN. ML:1.7 0.000132 0.42 AML other m 2023-01-04T08:34:44.73
IV.COR1.EHN. ML:2.1 0.0003945 1.14 AML other m 2023-01-04T08:34:45.11
IV.ARVD.HHE. ML:1.5 0.00006355 0.46 AML other m 2023-01-04T08:34:45.24
IV.ARVD.HHN. ML:1.4 0.0000589 1.06 AML other m 2023-01-04T08:34:45.97
IV.AOI.HHE. ML:1.7 0.000134 1.22 AML other m 2023-01-04T08:34:46.94
IV.CRTC.HHE. ML:2.1 0.00041400000000000003 0.38 AML other m 2023-01-04T08:34:47.36
IV.COR1.EHE. ML:1.8 0.00023349999999999998 1.44 AML other m 2023-01-04T08:34:47.89
IV.CING.HHN. ML:1.5 0.0000578 1.34 AML other m 2023-01-04T08:34:48.13
IV.NARO.HHE. ML:1.6 0.00006265 0.88 AML other m 2023-01-04T08:34:49.90
IV.MPAG.EHN. ML:1.8 0.000152 0.46 AML other m 2023-01-04T08:34:50.89
IV.CING.HHE. ML:1.4 0.00005685 0.46 AML other m 2023-01-04T08:34:50.72
IV.MPAG.EHE. ML:1.6 0.0000988 1.2 AML other m 2023-01-04T08:34:52.71
IV.EL6.EHN. ML:1.8 0.0001164 0.3 AML other m 2023-01-04T08:34:52.48
IV.NARO.HHN. ML:1.5 0.0000557 1.26 AML other m 2023-01-04T08:34:52.64
IV.SNTG.HHN. ML:1.8 0.00008710000000000002 0.26 AML other m 2023-01-04T08:34:53.47
IV.EL6.EHE. ML:1.9 0.0001445 1.52 AML other m 2023-01-04T08:34:54.91
IV.SSFR.HHN. ML:2.0 0.000158 0.66 AML other m 2023-01-04T08:34:54.55
IV.PIEI.HHE. ML:2.0 0.000131 0.5 AML other m 2023-01-04T08:34:56.31
IV.PIEI.HHN. ML:1.8 0.000083 0.78 AML other m 2023-01-04T08:34:56.41
IV.SSFR.HHE. ML:2.1 0.0002145 0.2 AML other m 2023-01-04T08:34:56.68
IV.PE3.EHN. ML:2.2 0.00023999999999999998 0.46 AML other m 2023-01-04T08:34:57.19
IV.ATFO.HHN. ML:1.8 0.00007935 0.94 AML other m 2023-01-04T08:34:57.37
IV.PE3.EHE. ML:2.0 0.00014299999999999998 1.32 AML other m 2023-01-04T08:34:58.99
IV.PARC.HHN. ML:1.6 0.00004905 0.48 AML other m 2023-01-04T08:34:58.96
IV.SNTG.HHE. ML:1.7 0.0000644 0.42 AML other m 2023-01-04T08:34:58.55
IV.PARC.HHE. ML:1.6 0.00005115 1.04 AML other m 2023-01-04T08:34:58.29
IV.ATFO.HHE. ML:2.0 0.000117 1.64 AML other m 2023-01-04T08:34:58.17
IV.CSP1.EHE. ML:2.3 0.000217 0.64 AML other m 2023-01-04T08:34:59.58
IV.APEC.HHN. ML:2.0 0.00013450000000000002 1.76 AML other m 2023-01-04T08:34:59.96
IV.CPGN.EHE. ML:1.8 0.0000787 0.58 AML other m 2023-01-04T08:35:00.06
IV.GUMA.HHN. ML:2.3 0.000208 0.58 AML other m 2023-01-04T08:35:00.66
IV.CSP1.EHN. ML:2.2 0.000184 0.46 AML other m 2023-01-04T08:35:01.39
IV.FDMO.HHE. ML:1.9 0.00007719999999999999 1.78 AML other m 2023-01-04T08:35:01.90
IV.FDMO.HHN. ML:1.8 0.00006900000000000001 0.4 AML other m 2023-01-04T08:35:01.72
IV.MF5.EHN. ML:2.1 0.000122 0.44 AML other m 2023-01-04T08:35:02.10
IV.MF5.EHE. ML:2.2 0.00012815 0.44 AML other m 2023-01-04T08:35:02.39
IV.GUMA.HHE. ML:2.4 0.0002635 0.36 AML other m 2023-01-04T08:35:02.25
IV.APEC.HHE. ML:2.0 0.00011549999999999999 0.3 AML other m 2023-01-04T08:35:02.51
IV.MNTT.EHN. ML:2.5 0.000322 0.62 AML other m 2023-01-04T08:35:03.39
IV.CESI.HHN. ML:2.2 0.000153 0.34 AML other m 2023-01-04T08:35:03.44
IV.CESI.HHE. ML:2.1 0.0001185 0.26 AML other m 2023-01-04T08:35:03.64
IV.MNTT.EHE. ML:2.6 0.000378 0.26 AML other m 2023-01-04T08:35:04.47
IV.ASSB.HHE. ML:2.2 0.0001385 0.4 AML other m 2023-01-04T08:35:05.00
IV.ASSB.HHN. ML:2.1 0.00009975 0.72 AML other m 2023-01-04T08:35:05.42
IV.CPGN.EHN. ML:1.7 0.00006345000000000001 0.62 AML other m 2023-01-04T08:35:07.98
IV.CRE.HHN. ML:1.7 0.00004085 0.48 AML other m 2023-01-04T08:35:08.37
IV.CRE.HHE. ML:1.6 0.000036150000000000005 0.42 AML other m 2023-01-04T08:35:10.07
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