Earthquake (quarry blast) with magnitude of ML 0.7 on date 20-07-2020 and time 06:00:37 (UTC) in region 3 km E Piobbico (PU)

A magnitude ML 0.7 (quarry blast) earthquake occured in region: 3 km E Piobbico (PU), on

  • 20-07-2020 06:00:37 (UTC)
  • 20-07-2020 08:00:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5850, 12.5450 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
Piobbico PU 3 2029 2029
Cagli PU 9 8731 10760
Urbania PU 10 7099 17859
Apecchio PU 10 1882 19741
Acqualagna PU 11 4393 24134
Peglio PU 13 696 24830
Fermignano PU 13 8596 33426
Sant'Angelo in Vado PU 14 4133 37559
Cantiano PU 14 2245 39804
Urbino PU 17 15019 54823
Frontone PU 18 1300 56123
Pietralunga PG 18 2111 58234
Mercatello sul Metauro PU 18 1378 59612
Lunano PU 18 1527 61139
Piandimeleto PU 19 2167 63306

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km SW of Pesaro (94582 inhabitants)
48 Km SW of Fano (60888 inhabitants)
53 Km S of Rimini (147750 inhabitants)
55 Km N of Perugia (166134 inhabitants)
55 Km E of Arezzo (99543 inhabitants)
66 Km SE of Cesena (96758 inhabitants)
71 Km N of Foligno (57155 inhabitants)
79 Km W of Ancona (100861 inhabitants)
82 Km SE of Forlì (117913 inhabitants)
94 Km SE of Faenza (58541 inhabitants)
97 Km S 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
Bulletin
Rev1000
ML 0.7 2020-07-20
06:00:37
43.5847 12.5447 1 2020-11-19
12:37:05
Bollettino Sismico Italiano INGV 83985101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-20 06:00:37 ± 0.08
Latitude 43.5847 ± 0.0045
Longitude 12.5447 ± 0.0074
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 83985101

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 630
Semi-minor axis of confidence ellipse (meter) 520
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 286
Circular confidence region, given by single value of horizontal uncertainty (meter) 630.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.03687
Epicentral distance of station farthest from the epicenter (degree) 0.23023
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:0.7

Field Value
Value 0.7
Uncertainty 0.0
Num. used stations 1
Type of magnitude ML
Reference to an origin 83985101
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-30 09:47:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHN. 2020-07-20T06:00:42.01 0.6 undecidable manual P 131 25.2525 91 -0.51 44
IV.PARC.HHZ. 2020-07-20T06:00:42.30 0.1 undecidable manual P 286 25.5522 91 -0.29 93
IV.ATVO.HHN. 2020-07-20T06:00:42.36 0.6 undecidable manual P 206 25.0527 91 -0.12 48
IV.FRON.EHZ. 2020-07-20T06:00:41.11 1.0 undecidable manual P 117 16.3725 92 0.37 23
IV.ATSC.EHE. 2020-07-20T06:00:41.75 0.6 undecidable manual P 147 21.1677 91 0.05 49
IV.ATPI.EHE. 2020-07-20T06:00:41.30 0.6 undecidable manual P 218 18.7701 92 0.08 49
IV.MPAG.EHZ. 2020-07-20T06:00:41.14 0.6 undecidable manual P 74 17.9709 92 0.08 49
IV.ATPC.HHE. 2020-07-20T06:00:40.39 0.1 undecidable manual P 211 13.4754 92 0.22 96
IV.ATBU.EHZ. 2020-07-20T06:00:40.05 0.3 undecidable manual P 179 12.0768 92 0.17 73
IV.PE3.EHZ. 2020-07-20T06:00:40.37 0.3 undecidable manual P 343 12.9759 92 0.31 71
IV.PIEI.HHZ. 2020-07-20T06:00:38.46 0.1 positive manual P 188 5.4945 95 -0.1 100
IV.NARO.HHZ. 2020-07-20T06:00:38.18 0.3 undecidable manual P 45 4.0959 97 -0.11 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PE3.EHE. ML:0.7 0.000068708145 0.5984 AML other m 2020-07-20T06:00:44.26
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