Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 21-04-2023 and time 18:32:39 (UTC) in region Costa Marchigiana Pesarese (Pesaro Urbino)

A magnitude ML 1.7 earthquake occured in region: Costa Marchigiana Pesarese (Pesaro Urbino), on

  • 21-04-2023 18:32:39 (UTC)
  • 21-04-2023 20:32:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 44.0330, 13.3690 at 6 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
35 Km NE of Fano (60888 inhabitants)
39 Km E of Pesaro (94582 inhabitants)
48 Km N of Ancona (100861 inhabitants)
64 Km E of Rimini (147750 inhabitants)
91 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 1.7 2023-04-21
18:32:39		 44.0327 13.3688 7 2024-03-01
17:18:10		 Bollettino Sismico Italiano INGV 118151251
Reviewed
Rev100 		ML 1.7 2023-04-21
18:32:39		 44.0178 13.3432 5 2023-04-21
18:46:05		 Sala Sismica INGV-Roma 116580801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-21 18:32:39 ± 0.23
Latitude 44.0327 ± 0.0099
Longitude 13.3688 ± 0.0113
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 118151251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1069
Semi-minor axis of confidence ellipse (meter) 694
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 33
Circular confidence region, given by single value of horizontal uncertainty (meter) 1070.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 276
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.34174
Epicentral distance of station farthest from the epicenter (degree) 1.40114
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 118151251
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-06-06 13:39:17

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 28
Type of magnitude ML
Reference to an origin 116580801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-21 18:46:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2023-04-21T18:33:06.15 0.3 undecidable manual S 231 86.5467 50 0.46 64
IV.SMA1.EHZ. 2023-04-21T18:33:05.04 1.0 undecidable manual P 181 155.5221 50 -0.04 20
IV.EL6.EHE. 2023-04-21T18:33:04.38 0.6 undecidable manual S 195 80.9523 50 0.21 46
IV.NARO.HHZ. 2023-04-21T18:33:03.46 0.6 undecidable manual S 234 78.5658 50 -0.08 47
IV.CING.HHZ. 2023-04-21T18:33:02.42 0.3 undecidable manual S 191 74.1702 50 0.04 72
IV.ARVD.HHZ. 2023-04-21T18:33:00.75 0.3 undecidable manual S 210 68.4759 50 -0.1 72
IV.MPAG.EHZ. 2023-04-21T18:32:59.92 0.3 undecidable manual S 228 66.1893 50 -0.32 69
IV.MML1.EHZ. 2023-04-21T18:32:57.69 0.1 undecidable manual P 198 106.8153 50 0.12 89
IV.ATVO.HHZ. 2023-04-21T18:32:57.99 0.1 undecidable manual P 227 105.6165 50 0.61 79
IV.AOI.HHE. 2023-04-21T18:32:57.54 0.3 undecidable manual S 161 56.6988 50 -0.17 73
IV.COR1.EHZ. 2023-04-21T18:32:56.98 0.3 undecidable manual S 214 53.3022 50 0.16 73
IV.ATPI.EHZ. 2023-04-21T18:32:56.96 0.1 undecidable manual P 231 100.8213 50 0.32 86
IV.PARC.HHZ. 2023-04-21T18:32:56.19 1.0 undecidable manual P 245 99.9222 50 -0.32 22
IV.FOSV.EHZ. 2023-04-21T18:32:55.98 0.3 undecidable manual P 211 95.238 50 0.19 67
IV.PIEI.HHZ. 2023-04-21T18:32:54.17 0.1 undecidable manual P 231 86.5467 50 -0.28 89
IV.EL6.EHE. 2023-04-21T18:32:53.36 0.1 undecidable manual P 195 80.9523 50 -0.21 92
IV.NARO.HHZ. 2023-04-21T18:32:53.04 0.1 undecidable manual P 234 78.5658 50 -0.17 93
IV.SENI.EHE. 2023-04-21T18:32:52.19 0.6 undecidable manual S 197 37.9287 100 -0.25 49
IV.CING.HHZ. 2023-04-21T18:32:52.52 0.1 undecidable manual P 191 74.1702 50 -0.02 97
IV.ARVD.HHZ. 2023-04-21T18:32:51.12 0.3 undecidable manual P 210 68.4759 50 -0.54 65
IV.AOI.HHE. 2023-04-21T18:32:50.08 0.3 undecidable manual P 161 56.6988 50 0.24 72
IV.MPAG.EHZ. 2023-04-21T18:32:50.90 0.1 negative manual P 228 66.1893 50 -0.41 91
IV.COR1.EHZ. 2023-04-21T18:32:49.37 0.1 undecidable manual P 214 53.3022 50 0.04 100
IV.SENI.EHE. 2023-04-21T18:32:47.07 0.3 undecidable manual P 197 37.9287 100 0.27 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.COR1.EHE. ML:1.8 0.000160745 0.24 AML other m 2023-04-21T18:32:57.33
IV.COR1.EHN. ML:2.1 0.00030000000000000003 0.86 AML other m 2023-04-21T18:32:57.71
IV.ARVD.HHN. ML:1.5 0.00005085000000000001 0.28 AML other m 2023-04-21T18:33:01.59
IV.ARVD.HHE. ML:1.4 0.0000402 1.2 AML other m 2023-04-21T18:33:01.69
IV.MPAG.EHE. ML:1.6 0.00007185 0.7 AML other m 2023-04-21T18:33:02.89
IV.MPAG.EHN. ML:1.6 0.00008185000000000001 0.96 AML other m 2023-04-21T18:33:03.30
IV.NARO.HHE. ML:1.6 0.000054 1.06 AML other m 2023-04-21T18:33:05.61
IV.CING.HHE. ML:1.4 0.00004149999999999999 0.28 AML other m 2023-04-21T18:33:05.43
IV.PIEI.HHN. ML:1.9 0.0000881 0.42 AML other m 2023-04-21T18:33:06.59
IV.NARO.HHN. ML:1.6 0.0000582 1.42 AML other m 2023-04-21T18:33:07.23
IV.CING.HHN. ML:1.5 0.0000455 0.28 AML other m 2023-04-21T18:33:08.37
IV.FOSV.EHE. ML:1.7 0.00004775 0.7 AML other m 2023-04-21T18:33:09.44
IV.PIEI.HHE. ML:2.0 0.00011005 0.4 AML other m 2023-04-21T18:33:09.69
IV.FOSV.EHN. ML:1.5 0.000035799999999999996 0.42 AML other m 2023-04-21T18:33:10.73
IV.PARC.HHE. ML:1.6 0.0000383 0.88 AML other m 2023-04-21T18:33:13.32
IV.ATVO.HHE. ML:1.7 0.0000478 0.36 AML other m 2023-04-21T18:33:14.20
IV.ATPI.EHN. ML:1.7 0.0000461 0.5 AML other m 2023-04-21T18:33:14.63
IV.ATPI.EHE. ML:1.7 0.0000448 0.86 AML other m 2023-04-21T18:33:14.39
IV.MML1.EHN. ML:1.9 0.00006475 0.26 AML other m 2023-04-21T18:33:15.42
IV.PARC.HHN. ML:1.6 0.00004195 0.58 AML other m 2023-04-21T18:33:15.80
IV.MML1.EHE. ML:1.8 0.000052000000000000004 0.18 AML other m 2023-04-21T18:33:16.47
IV.ATVO.HHN. ML:1.7 0.00004605 0.34 AML other m 2023-04-21T18:33:17.29
IV.SMA1.EHN. ML:1.9 0.000034200000000000005 0.7 AML other m 2023-04-21T18:33:36.36
IV.SMA1.EHE. ML:1.8 0.00002825 0.44 AML other m 2023-04-21T18:33:41.84
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