Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 04-01-2023 and time 19:35:00 (Italy) in region Costa Marchigiana Pesarese (Pesaro Urbino)

A magnitude ML 1.1 earthquake occured in region: Costa Marchigiana Pesarese (Pesaro Urbino), on

  • 04-01-2023 18:35:00 (UTC)
  • 04-01-2023 19:35:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.9750, 13.2740 at 9 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.

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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
25 Km NE of Fano (60888 inhabitants)
30 Km E of Pesaro (94582 inhabitants)
44 Km NW of Ancona (100861 inhabitants)
57 Km E of Rimini (147750 inhabitants)
84 Km E of Cesena (96758 inhabitants)
99 Km E of Ravenna (159116 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 1.1 2023-01-04
18:35:00		 43.9748 13.2735 9 2024-03-01
17:18:13		 Bollettino Sismico Italiano INGV 119762061
Reviewed
Rev100 		ML 1.2 2023-01-04
18:34:59		 43.9948 13.2878 31 2023-01-04
18:44:36		 Sala Sismica INGV-Roma 113311001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-01-04 18:35:00 ± 0.3
Latitude 43.9748 ± 0.0126
Longitude 13.2735 ± 0.0150
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 119762061

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1541
Semi-minor axis of confidence ellipse (meter) 450
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 36
Circular confidence region, given by single value of horizontal uncertainty (meter) 1540.0
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 38
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.32
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.06480
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 21
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 113311001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-01-04 18:44:36

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 119762061
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-08-01 15:03:47
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SIRI.HNZ. 2023-01-04T18:37:00.51 3.0 undecidable manual Sn 0.11 0
IV.ECTS.HHZ. 2023-01-04T18:36:41.17 3.0 undecidable manual Pn 5.81 0
IV.GIUL.HHZ. 2023-01-04T18:36:13.20 3.0 undecidable manual Sn -0.4 0
IV.LRP.EHZ. 2023-01-04T18:36:11.42 3.0 undecidable manual Sn -0.7 0
IV.MRB1.HHZ. 2023-01-04T18:35:50.35 3.0 undecidable manual Pn -2.46 0
IV.SAMA.EHZ. 2023-01-04T18:35:43.63 3.0 undecidable manual Pg 4.07 0
IV.ZEN8.EHZ. 2023-01-04T18:35:41.45 3.0 undecidable manual Pn -1.03 0
IV.MC2.EHZ. 2023-01-04T18:35:21.28 0.6 undecidable manual P 183 118.1928 50 0.65 37
IV.MF5.EHZ. 2023-01-04T18:35:20.52 0.6 undecidable manual P 172 110.5005 50 1.07 31
Y1.T1714.EHE. 2023-01-04T18:35:19.23 0.6 undecidable manual S 170 56.1993 50 0.54 43
IV.CESI.HHZ. 2023-01-04T18:35:19.76 0.3 undecidable manual P 196 111.5994 50 0.14 65
IV.MPAG.HNE. 2023-01-04T18:35:18.54 0.6 undecidable manual S 227 56.1993 50 -0.17 48
IV.ARVD.HHZ. 2023-01-04T18:35:18.61 0.6 undecidable manual S 207 59.1963 50 -0.88 38
IV.AOI.HHZ. 2023-01-04T18:35:17.68 0.6 undecidable manual S 151 54.0015 50 -0.41 46
IV.COR1.EHE. 2023-01-04T18:35:16.14 0.6 undecidable manual S 210 43.9227 50 0.74 41
IV.ATPI.EHE. 2023-01-04T18:35:16.32 0.3 undecidable manual P 231 90.9423 50 -0.11 68
IV.ATPC.HNE. 2023-01-04T18:35:15.47 0.6 undecidable manual P 230 85.3479 50 -0.11 46
IV.ATSC.EHE. 2023-01-04T18:35:15.37 0.3 undecidable manual P 218 77.1672 50 1.06 50
Y1.T1742.EHZ. 2023-01-04T18:35:14.46 0.6 undecidable manual S 188 40.1265 50 0.06 50
IV.ATBU.EHZ. 2023-01-04T18:35:14.68 0.3 undecidable manual P 227 80.2641 50 -0.11 70
IV.PIEI.HNN. 2023-01-04T18:35:13.75 0.3 undecidable manual P 231 76.6677 50 -0.48 65
IV.EL6.EHE. 2023-01-04T18:35:13.37 0.3 undecidable manual P 191 72.8715 50 -0.29 68
IV.PESA.HHZ. 2023-01-04T18:35:13.96 0.6 undecidable manual S 264 34.8429 50 0.98 36
Y1.T1743.HNZ. 2023-01-04T18:35:13.11 0.6 undecidable manual S 245 33.9438 50 0.37 47
IV.NARO.HHZ. 2023-01-04T18:35:12.77 0.3 undecidable manual P 234 68.5758 50 -0.22 70
IV.ARVD.HHZ. 2023-01-04T18:35:11.12 0.6 undecidable manual P 207 59.1963 50 -0.43 45
Y1.T1741.HNZ. 2023-01-04T18:35:11.66 0.6 undecidable manual S 218 31.0467 105 -0.21 49
Y1.T1714.EHE. 2023-01-04T18:35:11.16 0.3 undecidable manual P 170 56.1993 50 0.08 73
IV.SENI.HNZ. 2023-01-04T18:35:11.61 0.6 undecidable manual S 186 30.0477 106 0.07 51
IV.AOI.HHZ. 2023-01-04T18:35:10.61 0.3 undecidable manual P 151 54.0015 50 -0.12 73
IV.MPAG.HNE. 2023-01-04T18:35:10.41 0.3 undecidable manual P 227 56.1993 50 -0.68 63
IV.COR1.EHE. 2023-01-04T18:35:09.22 0.1 undecidable manual P 210 43.9227 50 0.04 100
IV.PESA.HHZ. 2023-01-04T18:35:08.04 0.3 undecidable manual P 264 34.8429 50 0.26 72
Y1.T1742.EHZ. 2023-01-04T18:35:08.98 1.0 undecidable manual P 188 40.1265 50 0.38 23
IV.CRTC.HNZ. 2023-01-04T18:35:08.24 0.3 undecidable manual P 234 38.7279 50 -0.14 75
Y1.T1743.HNZ. 2023-01-04T18:35:07.51 0.3 undecidable manual P 245 33.9438 50 -0.14 76
IV.SENI.HNZ. 2023-01-04T18:35:07.09 0.3 undecidable manual P 186 30.0477 106 0.15 77
Y1.T1741.HNZ. 2023-01-04T18:35:06.91 0.3 undecidable manual P 218 31.0467 105 -0.23 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PESA.HHN. ML:1.4 0.0000927656 0.0768 AML other m 2023-01-04T18:35:14.34
IV.PESA.HHE. ML:1.4 0.000093829175 0.0768 AML other m 2023-01-04T18:35:14.52
IV.ARVD.HHN. ML:0.7 0.000012025953500000001 0.3072 AML other m 2023-01-04T18:35:21.41
IV.ARVD.HHE. ML:0.7 0.0000112923025 1.808 AML other m 2023-01-04T18:35:21.99
IV.NARO.HHE. ML:0.9 0.0000135986305 0.1664 AML other m 2023-01-04T18:35:24.12
IV.NARO.HHN. ML:0.8 0.0000101784765 0.256 AML other m 2023-01-04T18:35:25.48
IV.CESI.HHE. ML:1.5 0.0000265841 0.256 AML other m 2023-01-04T18:35:38.52
IV.CESI.HHN. ML:1.4 0.000019789725 1.5904 AML other m 2023-01-04T18:35:42.02
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