Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.8 on date 17-06-2021 and time 11:24:20 (Italy) in region 4 km E Genga (AN)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 4 km E Genga (AN), on

  • 17-06-2021 09:24:20 (UTC)
  • 17-06-2021 11:24:20 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.4180, 12.9770 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
Genga AN 4 1797 1797
Serra San Quirico AN 5 2850 4647
Mergo AN 8 1037 5684
Poggio San Vicino MC 10 246 5930
Sassoferrato AN 10 7285 13215
Arcevia AN 10 4612 17827
Rosora AN 11 1985 19812
Fabriano AN 11 31480 51292
Cerreto d'Esi AN 11 3817 55109
Cupramontana AN 12 4756 59865
Castelplanio AN 12 3540 63405
Apiro MC 13 2280 65685
Poggio San Marcello AN 13 693 66378
Maiolati Spontini AN 13 6248 72626
Montecarotto AN 14 1987 74613
Serra de' Conti AN 15 3746 78359
Monte Roberto AN 15 3061 81420
Castelbellino AN 16 4947 86367
San Paolo di Jesi AN 17 933 87300
Staffolo AN 17 2253 89553
Matelica MC 18 9981 99534
Serra Sant'Abbondio PU 19 1027 100561
Esanatoglia MC 19 2034 102595
Barbara AN 19 1368 103963
Pergola PU 20 6333 110296

Municipalities with at least 50000 inhabitants

An earthquake occurred to
48 Km S of Fano (60888 inhabitants)
49 Km W of Ancona (100861 inhabitants)
55 Km S of Pesaro (94582 inhabitants)
56 Km NE of Foligno (57155 inhabitants)
59 Km NE of Perugia (166134 inhabitants)
79 Km SE of Rimini (147750 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
99 Km N of Terni (111501 inhabitants)
99 Km SE of Cesena (96758 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 0.8 2021-06-17
09:24:20		 43.4175 12.9767 1 2021-12-29
11:12:07		 Bollettino Sismico Italiano INGV 91771511
Reviewed
Rev100 		ML 1.1 2021-06-17
09:24:19		 43.4468 13.0147 7 2021-06-17
09:32:07		 Sala Sismica INGV-Roma 91440941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-17 09:24:20 ± 0.1
Latitude 43.4175 ± 0.0072
Longitude 12.9767 ± 0.0099
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 91771511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 960
Semi-minor axis of confidence ellipse (meter) 560
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 960.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 110
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38941
Number of stations at which the event was observed 26
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.8
Num. used stations 20
Type of magnitude ML
Reference to an origin 91440941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-17 09:32:07

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 91771511
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-26 12:53:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTMR.EHZ. 2021-06-17T09:25:41.36 3.0 undecidable manual Sn 2.47 0
IV.TDS.HHZ. 2021-06-17T09:25:40.19 3.0 undecidable manual Pg 24.950001 0
IV.EVRN.HHZ. 2021-06-17T09:25:36.16 3.0 negative manual Pn 2.38 0
IV.QLNO.HHZ. 2021-06-17T09:25:26.31 3.0 undecidable manual Sg 3.62 0
IV.CAPA.HHZ. 2021-06-17T09:25:16.94 3.0 negative manual Pg 20.52 0
IV.MRVN.HHZ. 2021-06-17T09:25:15.11 3.0 undecidable manual Pg 15.28 0
IV.MCEL.HHZ. 2021-06-17T09:25:10.01 3.0 undecidable manual Pn 5.07 0
IV.SENA.HHZ. 2021-06-17T09:25:05.90 3.0 undecidable manual Pg 5.07 0
OT.OT13.EHZ. 2021-06-17T09:25:00.85 3.0 positive manual Pn 8.3 0
IV.CRE.HHZ. 2021-06-17T09:24:41.59 3.0 undecidable manual Sg 0.5 0
GU.GRAM.HHZ. 2021-06-17T09:24:32.42 3.0 positive manual Pn 0.94 0
IV.TOLF.HHZ. 2021-06-17T09:24:31.90 3.0 undecidable manual Pn -1.9 0
IV.CSP1.EHZ. 2021-06-17T09:24:28.45 0.3 undecidable manual P 153 40.5261 91 0.03 71
IV.FDMO.HHZ. 2021-06-17T09:24:28.43 0.3 undecidable manual P 168 43.2234 91 -0.52 63
IV.PIEI.HHZ. 2021-06-17T09:24:27.55 0.3 undecidable manual P 290 37.9287 91 -0.34 67
GU.EQUI.HHZ. 2021-06-17T09:24:27.23 3.0 negative manual Pn -3 0
TV.SF04.EHZ. 2021-06-17T09:24:27.69 3.0 positive manual Pn 0.68 0
IV.NDIM.HNZ. 2021-06-17T09:24:26.49 3.0 negative manual Pn -1.58 0
IV.MPAG.EHZ. 2021-06-17T09:24:25.99 0.3 undecidable manual P 323 29.2485 91 -0.17 70
IV.FRON.EHZ. 2021-06-17T09:24:25.12 0.3 undecidable manual P 299 23.0547 91 0.2 70
IV.FIR.HHZ. 2021-06-17T09:24:24.08 3.0 undecidable manual P 0.43 0
IV.CING.HHZ. 2021-06-17T09:24:24.18 0.3 undecidable manual P 105 18.2706 92 0.23 71
IV.SSFR.HNE. 2021-06-17T09:24:23.90 0.3 undecidable manual P 278 15.7731 92 0.44 68
IV.EL6.EHZ. 2021-06-17T09:24:23.26 0.1 undecidable manual P 134 14.0748 92 0.16 96
IV.ARVD.HHZ. 2021-06-17T09:24:22.19 0.1 undecidable manual P 342 9.3795 93 0.02 100
IV.MMUR.HNZ. 2021-06-17T09:24:20.81 0.1 undecidable manual P 31 3.1968 99 -0.13 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CING.HHE. ML:0.6 0.0000327 0.42 AML other m 2021-06-17T09:24:27.99
IV.EL6.EHE. ML:1.0 0.000129 0.38 AML other m 2021-06-17T09:24:28.89
IV.EL6.EHN. ML:1.0 0.00012304999999999998 1.22 AML other m 2021-06-17T09:24:29.71
IV.CING.HHN. ML:0.6 0.00003505 0.3 AML other m 2021-06-17T09:24:30.16
IV.FRON.EHN. ML:0.8 0.00005185 0.54 AML other m 2021-06-17T09:24:31.05
IV.FOSV.EHE. ML:0.8 0.000050299999999999996 0.42 AML other m 2021-06-17T09:24:32.15
IV.MPAG.EHN. ML:0.7 0.000025349999999999996 0.92 AML other m 2021-06-17T09:24:33.53
IV.FRON.EHE. ML:0.7 0.000036049999999999995 1.08 AML other m 2021-06-17T09:24:33.94
IV.FOSV.EHN. ML:0.7 0.0000362 1.2 AML other m 2021-06-17T09:24:35.89
IV.MPAG.EHE. ML:0.7 0.000026349999999999997 0.84 AML other m 2021-06-17T09:24:43.27
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