Earthquake (quarry blast) with magnitude of ML 0.8 on date 26-04-2023 and time 09:57:39 (Italy) in region 4 km NE Cantiano (PU)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 4 km NE Cantiano (PU), on

  • 26-04-2023 07:57:39 (UTC)
  • 26-04-2023 09:57:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5090, 12.6490 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Cantiano PU 4 2245 2245
Cagli PU 4 8731 10976
Frontone PU 7 1300 12276
Serra Sant'Abbondio PU 10 1027 13303
Scheggia e Pascelupo PG 12 1393 14696
Acqualagna PU 12 4393 19089
Piobbico PU 14 2029 21118
Pergola PU 16 6333 27451
Costacciaro PG 17 1216 28667
Gubbio PG 18 32216 60883
Pietralunga PG 19 2111 62994
Fermignano PU 19 8596 71590
Sassoferrato AN 19 7285 78875
Apecchio PU 19 1882 80757

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km SW of Fano (60888 inhabitants)
49 Km NE of Perugia (166134 inhabitants)
50 Km SW of Pesaro (94582 inhabitants)
62 Km N of Foligno (57155 inhabitants)
62 Km S of Rimini (147750 inhabitants)
62 Km E of Arezzo (99543 inhabitants)
71 Km W of Ancona (100861 inhabitants)
77 Km SE of Cesena (96758 inhabitants)
93 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
Bulletin
Rev1000
ML 0.8 2023-04-26
07:57:39
43.509 12.6488 1 2024-03-01
17:18:06
Bollettino Sismico Italiano INGV 117143391
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-26 07:57:39 ± 0.05
Latitude 43.5090 ± 0.0027
Longitude 12.6488 ± 0.0037
Depth (km) 1 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 117143391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 290
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 336
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.04497
Epicentral distance of station farthest from the epicenter (degree) 0.20415
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 13
Type of magnitude ML
Reference to an origin 117143391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-02-02 14:52:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TSM1.DHE.01 2023-04-26T07:57:43.01 0.3 undecidable manual P 193 18.6702 92 0.13 73
IV.TB03.DH1.25 2023-04-26T07:57:43.21 1.0 undecidable manual P 238 22.6551 91 -0.47 22
IV.ATPI.EHZ. 2023-04-26T07:57:43.49 0.3 undecidable manual P 252 20.868 91 0.16 72
IV.MPAG.EHZ. 2023-04-26T07:57:42.41 0.3 undecidable manual P 34 16.0728 92 0.05 74
IV.ATFO.HHZ. 2023-04-26T07:57:42.58 0.3 undecidable manual P 202 16.9719 92 0.03 74
IV.TSM2.DHN.01 2023-04-26T07:57:42.78 0.3 undecidable manual P 226 17.871 92 0.05 74
IV.ATPC.HHE. 2023-04-26T07:57:42.43 0.3 undecidable manual P 259 15.7731 92 0.12 73
IV.SSFR.HHZ. 2023-04-26T07:57:41.70 0.3 undecidable manual P 127 13.4754 92 -0.14 73
IV.ATSC.EHE. 2023-04-26T07:57:41.04 0.3 undecidable manual P 162 9.879 93 -0.09 74
IV.ATBU.EHZ. 2023-04-26T07:57:41.06 0.3 undecidable manual P 245 8.88 93 0.13 74
IV.NARO.HHZ. 2023-04-26T07:57:41.66 0.3 undecidable manual P 334 12.5763 92 0 75
IV.PIEI.HHZ. 2023-04-26T07:57:40.81 0.3 undecidable manual P 288 9.5793 93 -0.27 72
IV.FRON.EHZ. 2023-04-26T07:57:40.48 0.1 undecidable manual P 81 6.2937 95 0.08 100
IV.TSM5.DHN.01 2023-04-26T07:57:40.04 0.1 positive manual P 229 4.995 96 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HNN. ML:1.1 0.00016919604999999997 0.1472 AML other m 2023-04-26T07:57:44.52
IV.SSFR.HHE. ML:1.1 0.0001585 0.64 AML other m 2023-04-26T07:57:44.65
IV.NARO.HHN. ML:0.1 0.000019445625 0.6784 AML other m 2023-04-26T07:57:45.22
IV.MPAG.EHN. ML:0.4 0.000022941395 3.8784 AML other m 2023-04-26T07:57:47.37
IV.MPAG.HNN. ML:2.2 0.0018666185 4.3584 AML other m 2023-04-26T07:57:45.62
IV.SSFR.HHN. ML:1.0 0.000128 0.18 AML other m 2023-04-26T07:57:45.75
IV.SSFR.HNE. ML:1.0 0.00013394834999999998 0.1792 AML other m 2023-04-26T07:57:45.74
IV.NARO.HHE. ML:0.2 0.00002535258 2.0352 AML other m 2023-04-26T07:57:44.89
IV.ATFO.HNE. ML:1.2 0.00014325759 7.52 AML other m 2023-04-26T07:57:49.82
IV.ATFO.HHE. ML:0.7 0.000048704475 2.56 AML other m 2023-04-26T07:57:47.37
IV.ATFO.HNN. ML:1.1 0.0001237215 4.384 AML other m 2023-04-26T07:57:48.29
IV.MPAG.EHE. ML:0.3 0.000020140225000000002 0.3392 AML other m 2023-04-26T07:57:47.72
IV.ATFO.HHN. ML:0.5 0.000033059243 0.3008 AML other m 2023-04-26T07:57:48.29
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