Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.3 on date 25-05-2023 and time 06:25:29 (UTC) in region 3 km E Piobbico (PU)

A magnitude ML 0.3 (quarry blast) earthquake occured in region: 3 km E Piobbico (PU), on

  • 25-05-2023 06:25:29 (UTC)
  • 25-05-2023 08:25:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5910, 12.5510 at 0 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Piobbico PU 3 2029 2029
Urbania PU 9 7099 9128
Cagli PU 9 8731 17859
Acqualagna PU 10 4393 22252
Apecchio PU 11 1882 24134
Fermignano PU 12 8596 32730
Peglio PU 13 696 33426
Sant'Angelo in Vado PU 14 4133 37559
Cantiano PU 14 2245 39804
Urbino PU 17 15019 54823
Frontone PU 17 1300 56123
Lunano PU 18 1527 57650
Mercatello sul Metauro PU 18 1378 59028
Piandimeleto PU 19 2167 61195
Pietralunga PG 19 2111 63306
Belforte all'Isauro PU 20 769 64075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km SW of Pesaro (94582 inhabitants)
47 Km SW of Fano (60888 inhabitants)
52 Km S of Rimini (147750 inhabitants)
55 Km N of Perugia (166134 inhabitants)
56 Km E of Arezzo (99543 inhabitants)
66 Km SE of Cesena (96758 inhabitants)
72 Km N of Foligno (57155 inhabitants)
78 Km W of Ancona (100861 inhabitants)
81 Km SE of Forlì (117913 inhabitants)
94 Km SE of Faenza (58541 inhabitants)
96 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
Reviewed
Rev100 		ML 0.3 2023-05-25
06:25:29		 43.5908 12.5508 1 2023-05-25
06:35:33		 Sala Sismica INGV-Roma 117705021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-05-25 06:25:29 ± 0.11
Latitude 43.5908 ± 0.0054
Longitude 12.5508 ± 0.0087
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type quarry blast
Origin ID 117705021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 900
Semi-minor axis of confidence ellipse (meter) 300
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 310
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 195
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23292
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 117705021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-05-25 06:35:33
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ISPIC.HNZ. 2023-05-25T06:27:11.09 3.0 undecidable manual Pg 24.34 0
GE.MATE.HHZ. 2023-05-25T06:27:05.20 3.0 undecidable manual Sn 5.93 0
IV.VULT.HHZ. 2023-05-25T06:27:00.43 3.0 undecidable manual Sg 21.02 0
GU.STV.HHZ. 2023-05-25T06:26:56.93 3.0 undecidable manual Sn 7.18 0
IV.PIPA.HHZ. 2023-05-25T06:26:37.42 3.0 undecidable manual Pg 13.92 0
IV.ZEN8.EHZ. 2023-05-25T06:26:36.13 3.0 undecidable manual Sg 13.08 0
IV.IACL.HNZ. 2023-05-25T06:26:34.47 3.0 undecidable manual Pg 12.37 0
SI.BOSI.HHZ. 2023-05-25T06:26:34.91 3.0 undecidable manual Sn -4.43 0
IV.PLAC.HNZ. 2023-05-25T06:26:33.72 3.0 undecidable manual Pn 1.15 0
CR.STON.BHZ. 2023-05-25T06:26:25.50 3.0 undecidable manual Pg 16.9 0
IV.TDS.HHZ. 2023-05-25T06:26:25.97 3.0 undecidable manual Pn 7.55 0
GE.MATE.HHZ. 2023-05-25T06:26:09.34 3.0 undecidable manual Pn -2.12 0
IV.CERA.HHZ. 2023-05-25T06:26:06.43 3.0 undecidable manual Sn -2.2 0
SI.BOSI.HHZ. 2023-05-25T06:26:03.51 3.0 positive manual Pn 3.25 0
IV.RIBO.EHZ.01 2023-05-25T06:25:41.75 3.0 undecidable manual Sn -2.46 0
IV.ATVO.HHZ. 2023-05-25T06:25:38.89 0.3 undecidable manual S 207 25.8519 91 0.23 73
IV.SSFR.HHZ. 2023-05-25T06:25:34.36 3.0 undecidable manual Sg 0.83 0
IV.ATVO.HHZ. 2023-05-25T06:25:34.66 0.1 undecidable manual P 207 25.8519 91 -0.2 97
IV.TSM2.DHE.01 2023-05-25T06:25:34.21 0.3 undecidable manual P 193 22.1556 91 0.1 75
IV.PARC.HHZ. 2023-05-25T06:25:34.75 3.0 undecidable manual Sg 0.77 0
IV.MPAG.EHZ. 2023-05-25T06:25:33.16 0.3 undecidable manual P 76 17.2716 92 0.02 77
IV.TSM5.DHE.01 2023-05-25T06:25:32.34 0.6 undecidable manual P 161 12.9759 92 0.06 51
IV.ATBU.HNN. 2023-05-25T06:25:32.26 0.3 undecidable manual P 181 12.7761 92 0.03 78
IV.ATPC.HNN. 2023-05-25T06:25:32.61 0.3 undecidable manual P 212 14.3745 92 0.06 77
IV.FRON.EHZ. 2023-05-25T06:25:32.87 0.3 undecidable manual P 120 16.1727 92 -0.06 77
IV.PIEI.HNE. 2023-05-25T06:25:31.91 0.3 undecidable manual S 192 6.2937 95 0.06 78
IV.ATPI.EHZ. 2023-05-25T06:25:30.95 3.0 undecidable manual S -0.89 0
IV.NARO.HHZ. 2023-05-25T06:25:30.45 0.3 undecidable manual P 47 3.2967 99 0.11 77
IV.PIEI.HNE. 2023-05-25T06:25:30.69 0.1 undecidable manual P 192 6.2937 95 -0.24 100
IV.CSNT.HHZ. 2023-05-25T06:25:28.84 3.0 positive manual P 1.7 0
IV.ARRO.EHZ. 2023-05-25T06:25:26.44 3.0 positive manual P 0.04 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHE. ML:0.0 0.00015998695 0.0608 AML other m 2023-05-25T06:25:31.90
IV.NARO.HHN. ML:0.0 0.000155292315 0.1024 AML other m 2023-05-25T06:25:32.07
IV.FRON.EHE. ML:0.1 0.000014269875000000002 0.2176 AML other m 2023-05-25T06:25:38.65
IV.FRON.EHN. ML:0.4 0.000025425203 0.5408 AML other m 2023-05-25T06:25:43.00
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