Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.7 on date 06-12-2021 and time 16:11:52 (Italy) in region 6 km S Cingoli (MC)

A magnitude ML 0.7 (quarry blast) earthquake occured in region: 6 km S Cingoli (MC), on

  • 06-12-2021 15:11:52 (UTC)
  • 06-12-2021 16:11:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3210, 13.1990 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
Cingoli MC 6 10352 10352
Treia MC 9 9403 19755
Apiro MC 10 2280 22035
San Severino Marche MC 10 12726 34761
Poggio San Vicino MC 11 246 35007
Staffolo AN 13 2253 37260
Appignano MC 13 4213 41473
Pollenza MC 13 6618 48091
Gagliole MC 14 620 48711
Tolentino MC 14 20069 68780
San Paolo di Jesi AN 15 933 69713
Cupramontana AN 16 4756 74469
Serrapetrona MC 16 966 75435
Castelraimondo MC 17 4587 80022
Matelica MC 17 9981 90003
Cerreto d'Esi AN 17 3817 93820
Belforte del Chienti MC 18 1886 95706
Filottrano AN 18 9499 105205
Monte Roberto AN 19 3061 108266
Maiolati Spontini AN 19 6248 114514
Castelbellino AN 19 4947 119461
Montecassiano MC 20 7125 126586
Urbisaglia MC 20 2628 129214

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SW of Ancona (100861 inhabitants)
57 Km NE of Foligno (57155 inhabitants)
60 Km S of Fano (60888 inhabitants)
70 Km SE of Pesaro (94582 inhabitants)
70 Km E of Perugia (166134 inhabitants)
84 Km NW of Teramo (54892 inhabitants)
96 Km NE of Terni (111501 inhabitants)
97 Km SE of Rimini (147750 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 2021-12-06
15:11:52		 43.3208 13.1992 1 2022-03-30
13:04:32		 Bollettino Sismico Italiano INGV 100269491
Reviewed
Rev100 		ML 0.9 2021-12-06
15:11:52		 43.3398 13.2438 6 2021-12-06
15:35:59		 Sala Sismica INGV-Roma 98213931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-06 15:11:52 ± 0.14
Latitude 43.3208 ± 0.0072
Longitude 13.1992 ± 0.0124
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 100269491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1080
Semi-minor axis of confidence ellipse (meter) 760
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) 1080.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 100
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.05486
Epicentral distance of station farthest from the epicenter (degree) 0.38311
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 100269491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-01-28 12:42:31

ML:0.9

Field Value
Value 0.9
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 98213931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-06 15:35:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MF5.EHZ. 2021-12-06T15:12:01.44 0.1 undecidable manual P 150 42.5241 91 0.05 95
IV.FDMO.HHZ. 2021-12-06T15:11:59.17 0.1 undecidable manual P 196 32.8449 91 -0.28 93
IV.ARVD.HHZ. 2021-12-06T15:11:58.19 0.1 undecidable manual P 314 28.5492 91 -0.41 91
IV.CSP1.EHZ. 2021-12-06T15:11:57.80 0.1 undecidable manual P 179 25.4523 91 -0.16 96
IV.SNTG.HHZ. 2021-12-06T15:11:57.40 0.1 undecidable manual P 251 22.1556 91 0.09 98
IV.PF6.EHE. 2021-12-06T15:11:56.92 0.1 undecidable manual P 181 20.2686 91 -0.02 100
IV.EL6.EHZ. 2021-12-06T15:11:55.06 0.1 undecidable manual P 277 7.881 94 0.6 89
IV.TRE1.HNE. 2021-12-06T15:11:55.07 0.3 undecidable manual P 97 9.1797 93 0.35 71
IV.CING.HHZ. 2021-12-06T15:11:53.97 0.1 undecidable manual P 357 6.0939 95 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHN. ML:0.3 0.0000168591305 0 AML other m 2021-12-06T15:12:01.66
IV.SNTG.HHE. ML:0.4 0.000017810995000000002 0.5632 AML other m 2021-12-06T15:12:01.48
IV.SNTG.HNE. ML:0.7 0.00003500039999999999 0.3584 AML other m 2021-12-06T15:12:01.63
IV.SNTG.HNN. ML:0.8 0.00005172409 0.0384 AML other m 2021-12-06T15:12:01.82
IV.CSP1.EHN. ML:0.9 0.000054463114 0.4096 AML other m 2021-12-06T15:12:02.30
IV.CSP1.EHE. ML:0.7 0.00002920758 0.8576 AML other m 2021-12-06T15:12:02.62
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