Earthquake (quarry blast) with magnitude of ML 0.6 on date 19-03-2021 and time 08:58:35 (Italy) in region 4 km S Cagli (PU)

A magnitude ML 0.6 (quarry blast) earthquake occured in region: 4 km S Cagli (PU), on

  • 19-03-2021 07:58:35 (UTC)
  • 19-03-2021 08:58:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.5150, 12.6490 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.

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 4 8731 8731
Cantiano PU 5 2245 10976
Frontone PU 7 1300 12276
Serra Sant'Abbondio PU 10 1027 13303
Acqualagna PU 12 4393 17696
Scheggia e Pascelupo PG 12 1393 19089
Piobbico PU 14 2029 21118
Pergola PU 16 6333 27451
Costacciaro PG 18 1216 28667
Fermignano PU 18 8596 37263
Gubbio PG 19 32216 69479
Pietralunga PG 19 2111 71590
Apecchio PU 19 1882 73472
Sassoferrato AN 19 7285 80757
Urbania PU 20 7099 87856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km SW of Fano (60888 inhabitants)
49 Km SW of Pesaro (94582 inhabitants)
50 Km NE of Perugia (166134 inhabitants)
61 Km S of Rimini (147750 inhabitants)
62 Km E of Arezzo (99543 inhabitants)
62 Km N of Foligno (57155 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
Reviewed
Rev100
ML 0.6 2021-03-19
07:58:35
43.5148 12.6488 1 2021-03-19
08:11:49
Sala Sismica INGV-Roma 88273561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-19 07:58:35 ± 0.07
Latitude 43.5148 ± 0.0054
Longitude 12.6488 ± 0.0062
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 88273561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 550
Semi-minor axis of confidence ellipse (meter) 460
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 2
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.15828
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 88273561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-19 08:11:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATFO.HHZ. 2021-03-19T07:58:39.21 0.3 undecidable manual P 201 17.5713 92 0.18 72
IV.SSFR.HNZ. 2021-03-19T07:58:38.17 0.3 undecidable manual P 129 13.875 92 -0.11 74
IV.ATPC.HNE. 2021-03-19T07:58:38.81 0.1 undecidable manual P 256 15.873 92 0.12 98
IV.MPAG.EHZ. 2021-03-19T07:58:38.76 0.3 undecidable manual P 35 15.4734 92 0.15 73
IV.ATSC.EHZ. 2021-03-19T07:58:37.38 0.1 undecidable manual P 163 10.4784 93 -0.23 97
IV.ATBU.HNE. 2021-03-19T07:58:37.51 0.1 undecidable manual P 242 9.1797 93 0.17 98
IV.NARO.HHZ. 2021-03-19T07:58:37.79 0.3 undecidable manual P 333 11.9769 92 -0.11 74
IV.PIEI.HHZ. 2021-03-19T07:58:37.15 0.1 undecidable manual P 284 9.4794 93 -0.25 97
IV.FRON.EHZ. 2021-03-19T07:58:36.85 0.1 positive manual P 87 6.1938 95 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHE. ML:0.4 0.00004225 1.02 AML other m 2021-03-19T07:58:40.95
IV.NARO.HHN. ML:0.4 0.000036150000000000005 0.48 AML other m 2021-03-19T07:58:45.59
IV.ATFO.HHN. ML:0.8 0.00006415 0.74 AML other m 2021-03-19T07:58:45.27
IV.ATFO.HHE. ML:1.0 0.00010159999999999999 0.36 AML other m 2021-03-19T07:58:45.74
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