Earthquake with magnitude of ML 1.2 on date 04-01-2023 and time 22:07:17 (Italy) in region Costa Marchigiana Anconetana (Ancona)

A magnitude ML 1.2 earthquake occured in region: Costa Marchigiana Anconetana (Ancona), on

  • 04-01-2023 21:07:17 (UTC)
  • 04-01-2023 22:07:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9310, 13.3520 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
28 Km E of Fano (60888 inhabitants)
35 Km E of Pesaro (94582 inhabitants)
37 Km NW of Ancona (100861 inhabitants)
65 Km E of Rimini (147750 inhabitants)
92 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 1.2 2023-01-04
21:07:17
43.9313 13.3523 8 2024-03-01
17:18:13
Bollettino Sismico Italiano INGV 119762731
Reviewed
Rev100
ML 1.3 2023-01-04
21:07:16
43.9652 13.4008 3 2023-01-04
21:14:39
Sala Sismica INGV-Roma 113314461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-04 21:07:17 ± 0.34
Latitude 43.9313 ± 0.0126
Longitude 13.3523 ± 0.0150
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 119762731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1643
Semi-minor axis of confidence ellipse (meter) 352
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 217
Circular confidence region, given by single value of horizontal uncertainty (meter) 1640.0
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 35
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.24192
Epicentral distance of station farthest from the epicenter (degree) 0.98116
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 27
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 113314461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-04 21:14:39

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 14
Type of magnitude ML
Reference to an origin 119762731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-01 15:23:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2023-01-04T21:07:37.32 0.3 undecidable manual P 175 105.0171 50 1.51 37
IV.CESI.HHZ. 2023-01-04T21:07:37.68 0.3 undecidable manual P 199 108.9132 50 1.27 42
IV.BADI.EHE. 2023-01-04T21:07:35.43 0.6 undecidable manual P 243 100.4217 50 0.33 41
IV.PARC.HHZ. 2023-01-04T21:07:34.72 0.3 undecidable manual P 251 94.5387 50 0.52 60
IV.ATPI.EHZ. 2023-01-04T21:07:34.01 0.3 undecidable manual P 235 93.0402 50 0.05 67
Y1.T1714.HNE. 2023-01-04T21:07:34.01 0.6 undecidable manual S 176 50.616 50 -0.41 45
IV.ATPC.HHE. 2023-01-04T21:07:33.27 0.6 undecidable manual P 235 87.4458 50 0.17 44
IV.COR1.HNZ. 2023-01-04T21:07:33.26 0.6 undecidable manual S 220 43.5231 50 0.71 41
IV.AOI.HHZ. 2023-01-04T21:07:33.62 0.6 undecidable manual S 155 46.8198 50 0.21 47
IV.CSP1.EHZ. 2023-01-04T21:07:33.35 1.0 undecidable manual P 187 93.8394 50 -0.74 18
IV.PESA.HHZ. 2023-01-04T21:07:32.46 0.6 undecidable manual S 272 40.9257 50 0.62 43
IV.ATBU.EHE. 2023-01-04T21:07:32.03 0.3 undecidable manual P 232 81.9513 50 -0.22 66
IV.FOSV.EHZ. 2023-01-04T21:07:32.12 0.6 undecidable manual P 214 85.0482 50 -0.62 39
IV.APEC.HHZ. 2023-01-04T21:07:32.98 0.6 undecidable manual P 241 85.4478 50 0.19 44
IV.ATSC.EHE. 2023-01-04T21:07:31.26 0.3 undecidable manual P 224 77.5668 50 -0.33 65
IV.PIEI.HHZ. 2023-01-04T21:07:31.92 0.3 undecidable manual P 236 78.8655 50 0.14 67
Y1.T1743.HNZ. 2023-01-04T21:07:30.96 0.6 undecidable manual S 256 38.2284 50 -0.16 48
IV.EL6.EHZ. 2023-01-04T21:07:30.24 0.6 undecidable manual P 197 69.7746 50 -0.13 46
Y1.T1742.EHZ. 2023-01-04T21:07:30.56 0.6 undecidable manual S 199 36.8298 50 -0.19 48
IV.NARO.HHZ. 2023-01-04T21:07:30.17 0.3 undecidable manual P 240 71.2731 50 -0.44 64
IV.FRON.EHZ. 2023-01-04T21:07:29.46 0.6 undecidable manual P 228 67.9764 50 -0.65 40
IV.CING.HHZ. 2023-01-04T21:07:29.01 0.3 undecidable manual P 192 62.8926 50 -0.31 67
Y1.T1741.HNZ. 2023-01-04T21:07:29.74 0.6 undecidable manual S 232 32.1456 105 0.37 47
IV.MPAG.EHE. 2023-01-04T21:07:28.16 0.3 undecidable manual P 235 58.0974 50 -0.43 66
Y1.T1714.HNE. 2023-01-04T21:07:27.41 0.3 undecidable manual P 176 50.616 50 -0.02 73
IV.ARVD.HHN. 2023-01-04T21:07:27.73 0.3 undecidable manual P 215 58.2972 50 -0.88 56
IV.SENI.EHZ. 2023-01-04T21:07:27.64 0.6 undecidable manual S 201 26.8509 107 0.03 51
IV.AOI.HHZ. 2023-01-04T21:07:27.02 0.3 undecidable manual P 155 46.8198 50 0.19 71
IV.PESA.HHZ. 2023-01-04T21:07:26.19 0.3 undecidable manual P 272 40.9257 50 0.25 71
IV.COR1.HNZ. 2023-01-04T21:07:26.38 0.1 undecidable manual P 220 43.5231 50 0.04 98
Y1.T1743.HNZ. 2023-01-04T21:07:25.29 0.3 undecidable manual P 256 38.2284 50 -0.23 71
Y1.T1742.EHZ. 2023-01-04T21:07:25.44 0.3 undecidable manual P 199 36.8298 50 0.13 73
IV.CRTC.HHZ. 2023-01-04T21:07:25.67 0.3 undecidable manual P 244 41.625 50 -0.37 69
Y1.T1741.HNZ. 2023-01-04T21:07:24.46 0.1 undecidable manual P 232 32.1456 105 -0.05 100
IV.SENI.EHZ. 2023-01-04T21:07:23.46 0.3 undecidable manual P 201 26.8509 107 -0.03 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SENI.HNE. ML:2.0 0.0005965 1.06 AML other m 2023-01-04T21:07:30.92
IV.SENI.EHN. ML:1.5 0.000194 0.42 AML other m 2023-01-04T21:07:31.82
IV.SENI.HNN. ML:2.1 0.0006535 0.26 AML other m 2023-01-04T21:07:31.51
IV.SENI.EHE. ML:1.5 0.0001605 0.96 AML other m 2023-01-04T21:07:31.22
IV.PESA.HHE. ML:1.6 0.00012622664999999999 0.2688 AML other m 2023-01-04T21:07:33.14
IV.PESA.HHN. ML:1.4 0.00009156006999999999 1.8848 AML other m 2023-01-04T21:07:33.01
IV.CING.HHE. ML:0.9 0.0000170369335 1.744 AML other m 2023-01-04T21:07:38.07
IV.NARO.HHN. ML:0.8 0.000010653699 0.192 AML other m 2023-01-04T21:07:42.87
IV.CING.HHN. ML:0.7 0.000011507935000000001 0.3328 AML other m 2023-01-04T21:07:44.04
IV.PIEI.HHE. ML:1.2 0.0000206395775 0.3456 AML other m 2023-01-04T21:07:45.39
IV.NARO.HHE. ML:0.8 0.0000110805925 0.2432 AML other m 2023-01-04T21:07:45.40
IV.PIEI.HHN. ML:1.0 0.000017055540000000002 1.6672 AML other m 2023-01-04T21:07:46.90
IV.FOSV.EHE. ML:1.2 0.000020150000000000002 0.88 AML other m 2023-01-04T21:07:47.03
IV.FOSV.EHN. ML:1.1 0.000014864999999999999 1.5 AML other m 2023-01-04T21:07:55.10
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