Earthquake (quarry blast) with magnitude of ML 0.3 on date 20-03-2020 and time 18:24:47 (UTC) in region 2 km SW Borgo Pace (PU)

A magnitude ML 0.3 (quarry blast) earthquake occured in region: 2 km SW Borgo Pace (PU), on

  • 20-03-2020 18:24:47 (UTC)
  • 20-03-2020 19:24:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6450, 12.2760 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
Borgo Pace PU 2 606 606
Mercatello sul Metauro PU 5 1378 1984
Sestino AR 7 1355 3339
Badia Tedalda AR 10 1087 4426
Sant'Angelo in Vado PU 11 4133 8559
Belforte all'Isauro PU 11 769 9328
San Giustino PG 13 11297 20625
Sansepolcro AR 14 15884 36509
Piandimeleto PU 14 2167 38676
Apecchio PU 15 1882 40558
Frontino PU 16 293 40851
Carpegna PU 16 1674 42525
Lunano PU 16 1527 44052
Peglio PU 19 696 44748
Casteldelci RN 19 407 45155
Pieve Santo Stefano AR 19 3183 48338
Pennabilli RN 19 2869 51207
Pietrarubbia PU 20 660 51867
Piobbico PU 20 2029 53896

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Arezzo (99543 inhabitants)
52 Km SW of Rimini (147750 inhabitants)
55 Km S of Cesena (96758 inhabitants)
59 Km SW of Pesaro (94582 inhabitants)
61 Km N of Perugia (166134 inhabitants)
64 Km W of Fano (60888 inhabitants)
67 Km S of Forlì (117913 inhabitants)
78 Km SE of Faenza (58541 inhabitants)
83 Km E of Firenze (382808 inhabitants)
84 Km NW of Foligno (57155 inhabitants)
84 Km E of Siena (53903 inhabitants)
86 Km S of Ravenna (159116 inhabitants)
89 Km E of Scandicci (50609 inhabitants)
91 Km SE of Imola (69797 inhabitants)
98 Km E of Prato (191150 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 0.3 2020-03-20
18:24:47
43.6453 12.2763 1 2020-07-18
21:08:41
Bollettino Sismico Italiano INGV 80478441
Reviewed
Rev100
ML 0.6 2020-03-20
18:24:47
43.6492 12.2492 11 2020-03-21
07:40:18
Sala Sismica INGV-Roma 77431451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-20 18:24:47 ± 0.11
Latitude 43.6453 ± 0.0072
Longitude 12.2763 ± 0.0087
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 80478441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 840
Semi-minor axis of confidence ellipse (meter) 680
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 334
Circular confidence region, given by single value of horizontal uncertainty (meter) 840.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.02788
Epicentral distance of station farthest from the epicenter (degree) 0.21674
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 77431451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-21 07:40:18

ML:0.3

Field Value
Value 0.3
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 80478441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-06-24 19:46:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2020-03-20T18:24:52.44 0.1 undecidable manual P 120 24.0537 91 -0.27 91
IV.BADI.EHZ. 2020-03-20T18:24:51.20 0.1 undecidable manual P 190 15.2736 92 0.26 93
IV.PE3.EHZ. 2020-03-20T18:24:51.76 0.1 undecidable manual P 72 18.5703 92 0.16 94
IV.CPGN.EHZ. 2020-03-20T18:24:51.41 0.1 undecidable manual P 12 17.6712 92 -0.01 97
IV.SSP9.EHE. 2020-03-20T18:24:50.51 0.3 undecidable manual P 236 14.0748 92 -0.2 71
IV.PARC.HHZ. 2020-03-20T18:24:48.51 0.1 undecidable manual P 277 3.0969 99 0 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.BADI.EHE. ML:0.4 0.000029162004999999997 0.1792 AML other m 2020-03-20T18:24:55.03
IV.BADI.EHN. ML:0.2 0.000018631185 0.128 AML other m 2020-03-20T18:24:55.93
IV.PIEI.HHN. ML:0.2 0.00000991 1.86 AML other m 2020-03-20T18:24:57.94
IV.PIEI.HHE. ML:0.5 0.00002145 0.1 AML other m 2020-03-20T18:24:57.54
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