Earthquake (quarry blast) with magnitude of ML 0.5 on date 25-06-2020 and time 08:45:05 (Italy) in region 4 km SW Urbania (PU)

A magnitude ML 0.5 (quarry blast) earthquake occured in region: 4 km SW Urbania (PU), on

  • 25-06-2020 06:45:05 (UTC)
  • 25-06-2020 08:45:05 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.64, 12.49 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 4 7099 7099
Peglio PU 6 696 7795
Piobbico PU 6 2029 9824
Sant'Angelo in Vado PU 7 4133 13957
Lunano PU 11 1527 15484
Piandimeleto PU 11 2167 17651
Apecchio PU 11 1882 19533
Belforte all'Isauro PU 13 769 20302
Mercatello sul Metauro PU 13 1378 21680
Fermignano PU 13 8596 30276
Acqualagna PU 15 4393 34669
Urbino PU 15 15019 49688
Sassocorvaro PU 15 3504 53192
Borgo Pace PU 16 606 53798
Frontino PU 16 293 54091
Cagli PU 17 8731 62822
Sestino AR 17 1355 64177
Macerata Feltria PU 18 1990 66167
Carpegna PU 20 1674 67841

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km SW of Pesaro (94582 inhabitants)
47 Km S of Rimini (147750 inhabitants)
48 Km W of Fano (60888 inhabitants)
53 Km E of Arezzo (99543 inhabitants)
58 Km SE of Cesena (96758 inhabitants)
60 Km N of Perugia (166134 inhabitants)
74 Km SE of Forlì (117913 inhabitants)
78 Km N of Foligno (57155 inhabitants)
83 Km W of Ancona (100861 inhabitants)
87 Km SE of Faenza (58541 inhabitants)
89 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 0.5 2020-06-25
06:45:05
43.64 12.49 1 2020-11-19
12:37:03
Bollettino Sismico Italiano INGV 83532281
Reviewed
Rev100
ML 0.6 2020-06-25
06:45:04
43.66 12.5 9 2020-06-25
07:16:02
Sala Sismica INGV-Roma 80485981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-06-25 06:45:05 ± 0.14
Latitude 43.64 ± 0.01
Longitude 12.49 ± 0.01
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 83532281

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 930
Semi-minor axis of confidence ellipse (meter) 880
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 930
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
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) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.2689
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:0.6

Field Value
Value 0.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 80485981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-06-25 07:16:02

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 83532281
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-05 17:23:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.ATVO.HHZ. 2020-06-25T06:45:11.16 0.3 undecidable manual P 194 0.2689 91 -0.27 68
IV.ATPI.HNZ. 2020-06-25T06:45:10.71 0.6 undecidable manual P 199 0.2041 91 0.72 40
IV.ATSC.EHZ. 2020-06-25T06:45:10.89 0.3 undecidable manual P 147 0.2608 91 -0.35 67
IV.MPAG.EHZ. 2020-06-25T06:45:10.08 0.3 undecidable manual P 94 0.1934 91 0.34 69
IV.PARC.HHZ. 2020-06-25T06:45:09.16 0.3 undecidable manual P 272 0.1844 91 -0.39 68
IV.ATPC.HHZ. 2020-06-25T06:45:09.23 0.3 undecidable manual P 189 0.1655 92 0.11 72
IV.FRON.EHZ. 2020-06-25T06:45:09.92 0.3 undecidable manual P 127 0.2104 91 -0.2 70
IV.APEC.HNZ. 2020-06-25T06:45:08.20 0.3 undecidable manual P 212 0.1007 93 0.51 67
IV.PIEI.HHZ. 2020-06-25T06:45:07.66 0.3 undecidable manual P 164 0.1124 92 -0.29 70
IV.NARO.HHZ. 2020-06-25T06:45:07.09 0.1 undecidable manual P 118 0.071 94 0.05 99
IV.PE3.EHZ. 2020-06-25T06:45:06.64 0.1 undecidable manual P 2 0.0522 95 0.03 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PIEI.HHE. ML:0.4 3.285E-5 0.74 AML other m 2020-06-25T06:45:12.51
IV.PIEI.HHN. ML:0.3 3.055E-5 0.42 AML other m 2020-06-25T06:45:13.24
IV.PARC.HHN. ML:0.6 3.38E-5 0.42 AML other m 2020-06-25T06:45:17.89
IV.PARC.HHE. ML:0.7 4.5E-5 1.22 AML other m 2020-06-25T06:45:19.15
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