Earthquake with magnitude of ML 1.4 on date 21-04-2023 and time 16:35:43 (UTC) in region Costa Marchigiana Pesarese (Pesaro Urbino)

A magnitude ML 1.4 earthquake occured in region: Costa Marchigiana Pesarese (Pesaro Urbino), on

  • 21-04-2023 16:35:43 (UTC)
  • 21-04-2023 18:35:43 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9990, 13.3410 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
31 Km NE of Fano (60888 inhabitants)
36 Km E of Pesaro (94582 inhabitants)
45 Km NW of Ancona (100861 inhabitants)
62 Km E of Rimini (147750 inhabitants)
89 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 1.4 2023-04-21
16:35:43
43.9992 13.3412 8 2024-03-01
17:18:10
Bollettino Sismico Italiano INGV 118145501
Reviewed
Rev100
ML 1.5 2023-04-21
16:35:43
44.0222 13.384 12 2023-04-21
17:23:17
Sala Sismica INGV-Roma 116577751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-21 16:35:43 ± 0.37
Latitude 43.9992 ± 0.0144
Longitude 13.3412 ± 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 118145501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1677
Semi-minor axis of confidence ellipse (meter) 818
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 201
Circular confidence region, given by single value of horizontal uncertainty (meter) 1680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 256
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.30397
Epicentral distance of station farthest from the epicenter (degree) 1.04321
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 118145501
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-06 15:05:16

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 116577751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-21 17:23:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPAG.EHZ. 2023-04-21T16:36:02.75 0.6 undecidable manual S 229 62.0934 50 -0.41 51
IV.CESI.HHZ. 2023-04-21T16:36:02.63 0.3 undecidable manual P 198 115.7952 50 -0.44 68
IV.AOI.HHE. 2023-04-21T16:36:01.97 0.6 undecidable manual S 157 54.0015 50 0.96 42
IV.FDMO.HHZ. 2023-04-21T16:36:01.82 0.3 undecidable manual P 191 108.7134 50 -0.16 73
IV.PARC.HHE. 2023-04-21T16:36:00.73 0.3 undecidable manual P 247 96.4257 50 0.64 66
IV.CSP1.EHZ. 2023-04-21T16:36:00.35 0.6 undecidable manual P 186 101.2209 50 -0.48 46
IV.ATPC.HHE. 2023-04-21T16:35:59.68 0.3 undecidable manual P 231 91.242 50 0.39 72
IV.CPGN.HNE. 2023-04-21T16:35:58.61 0.6 undecidable manual P 255 84.4488 50 0.36 49
IV.PIEI.HHZ. 2023-04-21T16:35:58.29 0.3 undecidable manual P 232 82.5507 50 0.34 74
IV.CRTC.HHE. 2023-04-21T16:35:58.59 0.6 undecidable manual S 235 44.7219 50 0.07 56
IV.ATBU.EHZ. 2023-04-21T16:35:58.31 0.6 undecidable manual P 228 86.0472 50 -0.19 51
IV.PESA.HHZ. 2023-04-21T16:35:57.52 0.6 undecidable manual S 261 40.5261 50 0.11 56
IV.FRON.EHZ. 2023-04-21T16:35:56.32 1.0 undecidable manual P 223 72.6717 50 -0.11 27
IV.NARO.HHZ. 2023-04-21T16:35:56.36 0.6 undecidable manual P 235 74.5698 50 -0.36 50
IV.EL6.EHZ. 2023-04-21T16:35:56.85 0.3 undecidable manual P 195 76.7676 50 -0.2 77
IV.SENI.HNN. 2023-04-21T16:35:55.75 0.6 undecidable manual S 195 33.744 103 0.39 54
IV.CING.HNZ. 2023-04-21T16:35:55.79 0.3 undecidable manual P 190 70.1742 50 -0.25 78
IV.MPAG.EHZ. 2023-04-21T16:35:54.31 0.1 undecidable manual P 229 62.0934 50 -0.48 100
IV.AOI.HHE. 2023-04-21T16:35:53.62 0.3 undecidable manual P 157 54.0015 50 0.07 83
IV.CRTC.HHE. 2023-04-21T16:35:52.18 0.6 undecidable manual P 235 44.7219 50 0.07 56
IV.COR1.HNN. 2023-04-21T16:35:52.84 0.3 undecidable manual P 214 49.0176 50 0.05 84
IV.PESA.HHZ. 2023-04-21T16:35:51.60 0.6 undecidable manual P 261 40.5261 50 0.13 56
IV.SENI.HNN. 2023-04-21T16:35:50.19 0.3 undecidable manual P 195 33.744 103 -0.1 86
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MPAG.EHE. ML:1.2 0.00003105 0.64 AML other m 2023-04-21T16:36:06.36
IV.MPAG.EHN. ML:1.3 0.00004245 1.4 AML other m 2023-04-21T16:36:06.07
IV.NARO.HHE. ML:1.1 0.00002045 0.42 AML other m 2023-04-21T16:36:10.63
IV.PIEI.HHN. ML:1.5 0.00003955 0.32 AML other m 2023-04-21T16:36:12.21
IV.PIEI.HHE. ML:1.6 0.000052449999999999994 1.6 AML other m 2023-04-21T16:36:13.98
IV.NARO.HHN. ML:1.2 0.000023350000000000002 1.46 AML other m 2023-04-21T16:36:15.95
IV.FDMO.HHN. ML:1.4 0.0000185 0.24 AML other m 2023-04-21T16:36:20.07
IV.FDMO.HHE. ML:1.5 0.0000257 0.28 AML other m 2023-04-21T16:36:21.21
IV.CESI.HHE. ML:1.5 0.0000275 0.72 AML other m 2023-04-21T16:36:22.82
IV.CESI.HHN. ML:1.8 0.000050299999999999996 0.36 AML other m 2023-04-21T16:36:24.74
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