Earthquake (quarry blast) with magnitude of ML 0.3 on date 03-03-2021 and time 08:50:05 (Italy) in region 5 km SW Urbania (PU)

A magnitude ML 0.3 (quarry blast) earthquake occured in region: 5 km SW Urbania (PU), on

  • 03-03-2021 07:50:05 (UTC)
  • 03-03-2021 08:50:05 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.637, 12.473 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
Urbania PU 6 7099 7099
Sant'Angelo in Vado PU 6 4133 11232
Piobbico PU 6 2029 13261
Peglio PU 7 696 13957
Apecchio PU 10 1882 15839
Piandimeleto PU 11 2167 18006
Lunano PU 11 1527 19533
Mercatello sul Metauro PU 11 1378 20911
Belforte all'Isauro PU 12 769 21680
Borgo Pace PU 15 606 22286
Fermignano PU 15 8596 30882
Acqualagna PU 16 4393 35275
Frontino PU 16 293 35568
Sassocorvaro PU 16 3504 39072
Sestino AR 16 1355 40427
Urbino PU 17 15019 55446
Cagli PU 17 8731 64177
Macerata Feltria PU 19 1990 66167
Carpegna PU 20 1674 67841

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km SW of Pesaro (94582 inhabitants)
48 Km S of Rimini (147750 inhabitants)
50 Km W of Fano (60888 inhabitants)
51 Km E of Arezzo (99543 inhabitants)
59 Km SE of Cesena (96758 inhabitants)
59 Km N of Perugia (166134 inhabitants)
74 Km SE of Forlì (117913 inhabitants)
78 Km N of Foligno (57155 inhabitants)
84 Km W of Ancona (100861 inhabitants)
86 Km SE of Faenza (58541 inhabitants)
90 Km S of Ravenna (159116 inhabitants)
99 Km E of Siena (53903 inhabitants)
99 Km E of Firenze (382808 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 2021-03-03
07:50:05
43.6373 12.4733 1 2021-07-12
16:55:07
Bollettino Sismico Italiano INGV 89268201
Reviewed
Rev100
ML 0.3 2021-03-03
07:50:05
43.6498 12.4888 7 2021-03-03
08:14:16
Sala Sismica INGV-Roma 87652461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-03 07:50:05 ± 0.04
Latitude 43.6373 ± 0.0027
Longitude 12.4733 ± 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 89268201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 240
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
Circular confidence region, given by single value of horizontal uncertainty (meter) 290
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.2635
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 89268201
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-19 19:53:52

ML:0.3

Field Value
Value 0.3
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 87652461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-03 08:14:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ATSC.EHZ. 2021-03-03T07:50:11.09 0.3 undecidable manual P 144 0.2635 91 -0.11 71
IV.FRON.EHZ. 2021-03-03T07:50:10.17 0.3 undecidable manual P 123 0.2185 91 -0.03 73
IV.MPAG.EHZ. 2021-03-03T07:50:10.02 0.3 undecidable manual P 92 0.2068 91 0.07 72
IV.ATBU.EHZ. 2021-03-03T07:50:09.28 0.1 undecidable manual P 161 0.17 92 0.15 95
IV.ATPI.EHZ. 2021-03-03T07:50:09.43 0.3 undecidable manual P 195 0.1934 91 -0.22 70
IV.PARC.HHZ. 2021-03-03T07:50:09.20 0.3 undecidable manual P 274 0.17 92 0.07 73
IV.CPGN.EHZ. 2021-03-03T07:50:09.68 0.3 undecidable manual P 326 0.1979 91 -0.05 72
IV.PIEI.HHZ. 2021-03-03T07:50:07.77 0.3 undecidable manual P 156 0.1106 92 -0.04 74
IV.APEC.HNN. 2021-03-03T07:50:07.40 0.3 undecidable manual P 206 0.0881 93 0.1 73
IV.NARO.HHZ. 2021-03-03T07:50:07.18 0.3 undecidable manual P 109 0.0818 93 0.01 75
IV.PE3.EHZ. 2021-03-03T07:50:06.69 0.1 undecidable manual P 16 0.0612 94 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PE3.EHN. ML:1.9 0.00114545165 0.5056 AML other m 2021-03-03T07:50:09.59
IV.PE3.EHE. ML:2 0.001614893 0.6016 AML other m 2021-03-03T07:50:09.37
IV.NARO.HHN. ML:0.5 3.8451E-5 0.0384 AML other m 2021-03-03T07:50:09.65
IV.NARO.HHE. ML:0.2 1.9339215E-5 0.064 AML other m 2021-03-03T07:50:11.09
IV.PIEI.HHE. ML:0.3 2.855E-5 1.06 AML other m 2021-03-03T07:50:11.95
IV.PIEI.HHN. ML:0 1.72E-5 0.44 AML other m 2021-03-03T07:50:11.97
IV.FRON.EHE. ML:0.2 1.19555485E-5 0.176 AML other m 2021-03-03T07:50:13.54
IV.PARC.HHE. ML:0.5 2.91E-5 1 AML other m 2021-03-03T07:50:14.26
IV.FRON.EHN. ML:0.2 1.232752E-5 0.3008 AML other m 2021-03-03T07:50:15.57
IV.PARC.HHN. ML:0.9 6.81E-5 0.74 AML other m 2021-03-03T07:50:16.90
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