Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 09-04-2023 and time 21:34:13 (UTC) in region 4 km E Piagge (PU)

A magnitude ML 1.1 earthquake occured in region: 4 km E Piagge (PU), on

  • 09-04-2023 21:34:13 (UTC)
  • 09-04-2023 23:34:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.7480, 13.0180 at 36 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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Piagge PU 4 1022 1022
San Giorgio di Pesaro PU 5 1388 2410
San Costanzo PU 5 4786 7196
Montemaggiore al Metauro PU 6 2893 10089
Mondolfo PU 6 14277 24366
Monte Porzio PU 7 2836 27202
Orciano di Pesaro PU 8 2028 29230
Mondavio PU 9 3810 33040
Saltara PU 10 6925 39965
Fano PU 11 60888 100853
Cartoceto PU 11 7887 108740
Barchi PU 11 967 109707
Trecastelli AN 11 7625 117332
Corinaldo AN 11 4998 122330
Serrungarina PU 11 2634 124964
Sant'Ippolito PU 14 1563 126527
Mombaroccio PU 14 2152 128679
Montefelcino PU 15 2671 131350
Fratte Rosa PU 16 966 132316
Castelleone di Suasa AN 16 1676 133992
Ostra Vetere AN 16 3311 137303
Senigallia AN 17 45027 182330
San Lorenzo in Campo PU 17 3414 185744
Fossombrone PU 18 9575 195319
Barbara AN 19 1368 196687
Monteciccardo PU 19 1690 198377
Ostra AN 19 6875 205252
Isola del Piano PU 19 594 205846
Vallefoglia PU 19 15018 220864
Pesaro PU 20 94582 315446

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km S of Fano (60888 inhabitants)
20 Km SE of Pesaro (94582 inhabitants)
43 Km W of Ancona (100861 inhabitants)
50 Km SE of Rimini (147750 inhabitants)
76 Km SE of Cesena (96758 inhabitants)
88 Km NE of Perugia (166134 inhabitants)
92 Km N of Foligno (57155 inhabitants)
94 Km SE of Forlì (117913 inhabitants)
97 Km E of Arezzo (99543 inhabitants)
99 Km SE 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 2023-04-09
21:34:13		 43.7482 13.0177 36 2024-03-01
17:18:20		 Bollettino Sismico Italiano INGV 124772011
Reviewed
Rev100 		ML 1.1 2023-04-09
21:34:13		 43.7392 12.9927 38 2023-04-09
21:58:54		 Sala Sismica INGV-Roma 116218651
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-09 21:34:13 ± 0.12
Latitude 43.7482 ± 0.0072
Longitude 13.0177 ± 0.0075
Depth (km) 36 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 124772011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 679
Semi-minor axis of confidence ellipse (meter) 521
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 332
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 149
Number of associated phases, regardless of their use for origin computation 50
Number of defining phases 50
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.09893
Epicentral distance of station farthest from the epicenter (degree) 0.91641
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 26
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 24
Type of magnitude ML
Reference to an origin 124772011
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-21 00:58:30

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 116218651
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-09 21:58:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2023-04-09T21:34:37.07 0.6 undecidable manual S 183 70.4739 113 0.46 42
IV.CSP1.EHZ. 2023-04-09T21:34:37.95 0.6 undecidable manual S 168 74.37 54 0.44 42
IV.MURB.HHZ. 2023-04-09T21:34:36.23 0.3 undecidable manual S 217 66.8775 114 0.51 62
IV.ATLO.EHE. 2023-04-09T21:34:36.65 0.6 undecidable manual S 226 68.6757 113 0.49 42
IV.ATVO.HHN. 2023-04-09T21:34:35.50 0.6 undecidable manual S 231 63.6918 115 0.54 41
IV.ATPI.EHE. 2023-04-09T21:34:34.45 0.6 undecidable manual S 236 59.3961 117 0.52 42
IV.ATPC.HHE. 2023-04-09T21:34:33.55 0.6 undecidable manual S 237 53.9016 120 0.91 36
IV.AOI.HHZ. 2023-04-09T21:34:32.51 0.3 undecidable manual S 115 51.8037 121 0.37 67
IV.APEC.HNN. 2023-04-09T21:34:32.76 0.6 undecidable manual S 247 52.4031 120 0.48 43
IV.SNTG.HHZ. 2023-04-09T21:34:32.74 0.3 undecidable manual S 186 55.1004 119 -0.16 69
IV.NRCA.HHZ. 2023-04-09T21:34:31.16 0.3 undecidable manual P 176 101.7204 54 0.19 63
IV.EL6.EHZ. 2023-04-09T21:34:31.32 0.3 undecidable manual S 172 46.9197 124 0.27 69
IV.ATBU.EHZ. 2023-04-09T21:34:31.87 0.6 undecidable manual S 231 48.3183 123 0.51 43
IV.CING.HHZ. 2023-04-09T21:34:30.61 0.3 undecidable manual S 161 43.7229 126 0.27 69
IV.PE3.EHE. 2023-04-09T21:34:30.79 0.6 undecidable manual S 262 42.2244 127 0.78 39
IV.ATSC.EHE. 2023-04-09T21:34:30.55 0.6 undecidable manual S 217 44.7219 125 -0.01 49
IV.PIEI.HHZ. 2023-04-09T21:34:30.41 0.3 undecidable manual S 239 45.3213 125 -0.29 69
IV.MF5.EHZ. 2023-04-09T21:34:30.22 0.3 undecidable manual P 157 91.5417 54 0.51 60
IV.NARO.HHZ. 2023-04-09T21:34:29.11 0.3 undecidable manual S 247 38.2284 130 -0.07 73
IV.SSFR.HHZ. 2023-04-09T21:34:29.01 0.6 undecidable manual S 209 39.4272 129 -0.42 45
IV.FRON.EHZ. 2023-04-09T21:34:28.16 0.6 undecidable manual S 223 34.6431 133 -0.31 46
IV.PESA.HHE. 2023-04-09T21:34:27.35 0.3 undecidable manual S 326 25.6521 142 0.52 68
IV.CSP1.EHZ. 2023-04-09T21:34:27.33 0.1 undecidable manual P 168 74.37 54 -0.23 88
IV.ATVO.HHN. 2023-04-09T21:34:26.19 0.6 undecidable manual P 231 63.6918 115 0.1 46
IV.MPAG.EHZ. 2023-04-09T21:34:26.45 0.3 undecidable manual S 238 24.5532 143 -0.19 72
IV.MURB.HHZ. 2023-04-09T21:34:26.40 0.6 undecidable manual P 217 66.8775 114 -0.12 45
IV.ARVD.HHZ. 2023-04-09T21:34:26.56 0.6 undecidable manual S 192 28.4493 139 -0.73 41
IV.MML1.EHZ. 2023-04-09T21:34:26.68 0.3 undecidable manual P 183 70.4739 113 -0.36 64
IV.ATLO.EHE. 2023-04-09T21:34:26.91 0.1 undecidable manual P 226 68.6757 113 0.13 90
IV.CRTC.HHZ. 2023-04-09T21:34:25.12 0.3 undecidable manual S 282 10.9779 162 0.16 75
IV.COR1.HNZ. 2023-04-09T21:34:25.83 0.3 undecidable manual S 186 12.9759 159 0.69 65
IV.ATPI.EHE. 2023-04-09T21:34:25.47 0.3 undecidable manual P 236 59.3961 117 -0.02 71
IV.SNTG.HHZ. 2023-04-09T21:34:24.58 0.1 undecidable manual P 186 55.1004 119 -0.32 89
IV.ATPC.HHE. 2023-04-09T21:34:24.64 0.3 undecidable manual P 237 53.9016 120 -0.1 70
IV.AOI.HHZ. 2023-04-09T21:34:24.81 0.3 undecidable manual P 115 51.8037 121 0.35 67
IV.CING.HHZ. 2023-04-09T21:34:23.06 0.1 undecidable manual P 161 43.7229 126 -0.35 90
IV.PE3.EHE. 2023-04-09T21:34:23.34 0.3 undecidable manual P 262 42.2244 127 0.12 72
IV.ATSC.EHE. 2023-04-09T21:34:23.08 0.3 undecidable manual P 217 44.7219 125 -0.47 66
IV.PIEI.HHZ. 2023-04-09T21:34:23.23 0.1 undecidable manual P 239 45.3213 125 -0.4 89
IV.APEC.HNN. 2023-04-09T21:34:23.79 0.6 undecidable manual P 247 52.4031 120 -0.75 39
IV.EL6.EHZ. 2023-04-09T21:34:23.57 0.1 undecidable manual P 172 46.9197 124 -0.26 92
IV.ATBU.EHZ. 2023-04-09T21:34:23.92 0.1 undecidable manual P 231 48.3183 123 -0.08 95
IV.SSFR.HHZ. 2023-04-09T21:34:22.80 0.3 undecidable manual P 209 39.4272 129 -0.09 72
IV.NARO.HHZ. 2023-04-09T21:34:22.49 0.1 undecidable manual P 247 38.2284 130 -0.25 93
IV.ARVD.HHZ. 2023-04-09T21:34:21.20 0.1 undecidable manual P 192 28.4493 139 -0.46 91
IV.PESA.HHE. 2023-04-09T21:34:21.56 0.3 undecidable manual P 326 25.6521 142 0.17 73
IV.FRON.EHZ. 2023-04-09T21:34:21.99 0.1 undecidable manual P 223 34.6431 133 -0.34 92
IV.CRTC.HHZ. 2023-04-09T21:34:20.19 0.1 undecidable manual P 282 10.9779 162 -0.12 100
IV.COR1.HNZ. 2023-04-09T21:34:20.57 0.3 undecidable manual P 186 12.9759 159 0.16 75
IV.MPAG.EHZ. 2023-04-09T21:34:20.94 0.1 undecidable manual P 238 24.5532 143 -0.35 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CRTC.HHN. ML:1.3 0.00007935183499999999 0.1792 AML other m 2023-04-09T21:34:25.41
IV.CRTC.HHE. ML:1.3 0.0000853409 0.2432 AML other m 2023-04-09T21:34:25.80
IV.MPAG.EHE. ML:0.7 0.000013551976 0.0896 AML other m 2023-04-09T21:34:26.68
IV.MPAG.EHN. ML:0.8 0.00001899107 1.8464 AML other m 2023-04-09T21:34:27.05
IV.FRON.EHE. ML:1.0 0.00002274243 0.1536 AML other m 2023-04-09T21:34:28.45
IV.FRON.EHN. ML:1.0 0.00003054292 0.1408 AML other m 2023-04-09T21:34:28.58
IV.NARO.HHN. ML:0.6 0.000010119796 0.0768 AML other m 2023-04-09T21:34:29.40
IV.NARO.HHE. ML:0.6 0.000009610767000000001 0.1024 AML other m 2023-04-09T21:34:29.93
IV.PIEI.HHN. ML:0.8 0.0000146143235 0.1152 AML other m 2023-04-09T21:34:31.72
IV.CING.HHE. ML:0.8 0.000012935822999999999 0.1664 AML other m 2023-04-09T21:34:31.92
IV.PIEI.HHE. ML:1.1 0.000027136635 0.1792 AML other m 2023-04-09T21:34:32.23
IV.EL6.EHN. ML:1.2 0.000030411281499999997 0.1408 AML other m 2023-04-09T21:34:32.48
IV.CING.HHN. ML:0.6 0.000010862786999999998 0.2176 AML other m 2023-04-09T21:34:32.52
IV.SNTG.HHE. ML:1.0 0.000019138983999999997 0.2304 AML other m 2023-04-09T21:34:33.98
IV.SNTG.HHN. ML:1.2 0.000029390345 0.256 AML other m 2023-04-09T21:34:34.29
IV.EL6.EHE. ML:1.2 0.00003592169 0.1792 AML other m 2023-04-09T21:34:34.12
IV.MURB.HHN. ML:1.7 0.000071138325 1.5776 AML other m 2023-04-09T21:34:37.98
IV.MML1.EHN. ML:1.0 0.000014763669 1.7824 AML other m 2023-04-09T21:34:37.99
IV.MURB.HHE. ML:1.7 0.00007220256499999999 0.384 AML other m 2023-04-09T21:34:38.07
IV.CSP1.EHN. ML:1.8 0.00007653385499999999 1.6416 AML other m 2023-04-09T21:34:38.01
IV.MML1.EHE. ML:1.2 0.000025369875 0.1792 AML other m 2023-04-09T21:34:39.30
IV.CSP1.EHE. ML:1.5 0.00003750253 0.2048 AML other m 2023-04-09T21:34:40.60
IV.NRCA.HHE. ML:1.4 0.00002319889 0.1408 AML other m 2023-04-09T21:34:46.22
IV.NRCA.HHN. ML:1.4 0.000020845755 0.1408 AML other m 2023-04-09T21:34:46.83
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