Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of Md 1.4 on date 21-06-2013 and time 07:31:36 (UTC) in region 2 km E Piobbico (PU)

A magnitude Md 1.4 (quarry blast) earthquake occured in region: 2 km E Piobbico (PU), on

  • 21-06-2013 07:31:36 (UTC)
  • 21-06-2013 09:31:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.5960, 12.5330 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.

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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 2 2029 2029
Urbania PU 8 7099 9128
Apecchio PU 10 1882 11010
Cagli PU 11 8731 19741
Acqualagna PU 12 4393 24134
Peglio PU 12 696 24830
Sant'Angelo in Vado PU 12 4133 28963
Fermignano PU 13 8596 37559
Cantiano PU 16 2245 39804
Mercatello sul Metauro PU 17 1378 41182
Urbino PU 17 15019 56201
Lunano PU 17 1527 57728
Piandimeleto PU 17 2167 59895
Belforte all'Isauro PU 19 769 60664
Pietralunga PG 19 2111 62775
Frontone PU 19 1300 64075

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km SW of Pesaro (94582 inhabitants)
48 Km SW of Fano (60888 inhabitants)
52 Km S of Rimini (147750 inhabitants)
54 Km E of Arezzo (99543 inhabitants)
56 Km N of Perugia (166134 inhabitants)
65 Km SE of Cesena (96758 inhabitants)
72 Km N of Foligno (57155 inhabitants)
80 Km W of Ancona (100861 inhabitants)
80 Km SE of Forlì (117913 inhabitants)
93 Km SE of Faenza (58541 inhabitants)
95 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 		Md 1.4 2013-06-21
07:31:36		 43.5957 12.5327 0 2015-01-20
11:26:32		 Bollettino Sismico Italiano INGV 6480031
Reviewed
Rev100 		Md 1.4 2013-06-21
07:31:36		 43.5948 12.5328 0 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 3718011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-06-21 07:31:36 ± 0.17
Latitude 43.5957 ± 0.0063
Longitude 12.5327 ± 0.0099
Depth (km) 0 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type quarry blast
Origin ID 6480031

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1010
Semi-minor axis of confidence ellipse (meter) 370
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 312
Circular confidence region, given by single value of horizontal uncertainty (meter) 1010.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 218
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.03777
Epicentral distance of station farthest from the epicenter (degree) 0.23203
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitudes information

Md:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 3
Type of magnitude Md
Reference to an origin 6480031
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-12-02 16:40:29

Md:1.4

Field Value
Value 1.4
Uncertainty 0.1
Num. used stations 3
Type of magnitude Md
Reference to an origin 3718011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-06-21 07:46:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2013-06-21T07:31:45.47 0.6 undecidable manual S 203 25.752 90 0.48 44
IV.MPAG.EHZ. 2013-06-21T07:31:42.54 0.6 undecidable manual S 78 18.5703 90 0.04 49
IV.FRON.EHZ. 2013-06-21T07:31:42.41 0.6 undecidable manual S 119 17.7711 90 0.2 47
IV.ATVO.HHZ. 2013-06-21T07:31:41.20 0.3 negative manual P 203 25.752 90 -0.01 73
IV.FSSB.HHZ. 2013-06-21T07:31:40.88 0.6 undecidable manual P 61 22.3554 90 0.35 46
IV.FRON.EHZ. 2013-06-21T07:31:39.50 0.3 undecidable manual P 119 17.7711 90 -0.1 72
IV.MPAG.EHZ. 2013-06-21T07:31:39.58 0.3 undecidable manual P 78 18.5703 90 -0.19 71
IV.PIEI.HHZ. 2013-06-21T07:31:38.25 0.6 undecidable manual S 178 6.6933 91 -0.1 49
IV.NARO.HHZ. 2013-06-21T07:31:37.60 0.6 undecidable manual S 66 4.1958 92 0.09 49
IV.PIEI.HHZ. 2013-06-21T07:31:37.15 0.1 positive manual P 178 6.6933 91 -0.23 96
IV.NARO.HHZ. 2013-06-21T07:31:36.84 0.1 undecidable manual P 66 4.1958 92 -0.05 100
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