Earthquake (quarry blast) with magnitude of ML 1.1 on date 11-05-2023 and time 09:32:46 (Italy) in region 3 km S Cagli (PU)

A magnitude ML 1.1 (quarry blast) earthquake occured in region: 3 km S Cagli (PU), on

  • 11-05-2023 07:32:46 (UTC)
  • 11-05-2023 09:32:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5230, 12.6530 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Event type: quarry blast.

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

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Cagli PU 3 8731 8731
Cantiano PU 6 2245 10976
Frontone PU 7 1300 12276
Serra Sant'Abbondio PU 10 1027 13303
Acqualagna PU 11 4393 17696
Scheggia e Pascelupo PG 13 1393 19089
Piobbico PU 14 2029 21118
Pergola PU 16 6333 27451
Fermignano PU 17 8596 36047
Costacciaro PG 19 1216 37263
Apecchio PU 19 1882 39145
Urbania PU 19 7099 46244
Sassoferrato AN 19 7285 53529
Pietralunga PG 20 2111 55640
Gubbio PG 20 32216 87856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Fano (60888 inhabitants)
48 Km SW of Pesaro (94582 inhabitants)
51 Km NE of Perugia (166134 inhabitants)
60 Km S of Rimini (147750 inhabitants)
62 Km E of Arezzo (99543 inhabitants)
63 Km N of Foligno (57155 inhabitants)
71 Km W of Ancona (100861 inhabitants)
76 Km SE of Cesena (96758 inhabitants)
92 Km SE of Forlì (117913 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
Reviewed
Rev100
ML 1.1 2023-05-11
07:32:46
43.5233 12.6528 10 2023-05-11
08:05:27
Sala Sismica INGV-Roma 117240461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-11 07:32:46 ± 0.09
Latitude 43.5233 ± 0.0054
Longitude 12.6528 ± 0.0062
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 117240461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 590
Semi-minor axis of confidence ellipse (meter) 500
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 324
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
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) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.19605
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 117240461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-11 08:05:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATFO.HHZ. 2023-05-11T07:32:54.17 0.6 undecidable manual S 201 18.5703 118 0.17 48
IV.TSM1.DHN.01 2023-05-11T07:32:54.97 0.3 undecidable manual S 193 20.2686 116 0.46 67
IV.ATPI.EHZ. 2023-05-11T07:32:54.90 0.3 undecidable manual S 248 21.7671 115 -0.07 73
IV.TSM2.DHZ.01 2023-05-11T07:32:54.20 0.3 undecidable manual S 223 19.2696 117 0 74
IV.MPAG.EHZ. 2023-05-11T07:32:52.80 0.6 undecidable manual S 36 14.5743 124 0.01 50
IV.NARO.HHZ. 2023-05-11T07:32:52.00 0.6 undecidable manual S 329 11.2776 131 0.09 49
IV.SSFR.HHZ. 2023-05-11T07:32:52.32 0.6 undecidable manual S 133 14.1747 125 -0.38 46
IV.ATSC.EHN. 2023-05-11T07:32:51.45 0.6 undecidable manual S 166 11.3775 131 -0.47 46
IV.PIEI.HHZ. 2023-05-11T07:32:51.07 0.6 undecidable manual S 278 9.5793 136 -0.41 46
IV.ATFO.HHZ. 2023-05-11T07:32:51.11 0.6 undecidable manual P 201 18.5703 118 0.21 48
IV.TSM1.DHN.01 2023-05-11T07:32:51.47 0.3 undecidable manual P 193 20.2686 116 0.27 70
IV.ATBU.EHE. 2023-05-11T07:32:51.39 0.6 undecidable manual S 238 9.9789 135 -0.17 49
IV.ATPI.EHZ. 2023-05-11T07:32:51.89 0.6 positive manual P 248 21.7671 115 0.43 45
IV.TSM2.DHZ.01 2023-05-11T07:32:51.16 0.1 undecidable manual P 223 19.2696 117 0.14 96
IV.FRON.EHZ. 2023-05-11T07:32:50.41 0.6 undecidable manual S 96 5.8941 149 -0.29 48
IV.SSFR.HHZ. 2023-05-11T07:32:50.29 0.1 positive manual P 133 14.1747 125 0.13 97
IV.MPAG.EHZ. 2023-05-11T07:32:50.95 1.0 negative manual P 36 14.5743 124 0.74 20
IV.NARO.HHZ. 2023-05-11T07:32:50.02 1.0 undecidable manual P 329 11.2776 131 0.32 24
IV.ATBU.EHE. 2023-05-11T07:32:49.71 0.3 undecidable manual P 238 9.9789 135 0.21 72
IV.FRON.EHZ. 2023-05-11T07:32:49.07 0.1 positive manual P 96 5.8941 149 0.07 100
IV.ATSC.EHN. 2023-05-11T07:32:49.75 0.3 undecidable manual P 166 11.3775 131 0.05 75
IV.PIEI.HHZ. 2023-05-11T07:32:49.36 0.6 positive manual P 278 9.5793 136 -0.09 50
IV.TSM5.DHN.01 2023-05-11T07:32:49.47 0.6 undecidable manual S 220 6.2937 148 -1.3 32
IV.TSM5.DHN.01 2023-05-11T07:32:48.64 0.1 undecidable manual P 220 6.2937 148 -0.4 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:1.0 0.0001145 0.3 AML other m 2023-05-11T07:32:51.56
IV.PIEI.HHN. ML:0.7 0.00007230000000000001 1.52 AML other m 2023-05-11T07:32:52.10
IV.SSFR.HHE. ML:1.0 0.00010655 0.2 AML other m 2023-05-11T07:32:53.09
IV.SSFR.HHN. ML:1.0 0.00009224999999999999 1.36 AML other m 2023-05-11T07:32:53.92
IV.SSFR.HNE. ML:1.4 0.00023549999999999998 0.82 AML other m 2023-05-11T07:32:53.32
IV.SSFR.HNN. ML:1.4 0.0002805 1.44 AML other m 2023-05-11T07:32:53.11
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