Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.1 on date 15-09-2021 and time 12:57:50 (Italy) in region 7 km SW Cingoli (MC)

A magnitude ML 1.1 (quarry blast) earthquake occured in region: 7 km SW Cingoli (MC), on

  • 15-09-2021 10:57:50 (UTC)
  • 15-09-2021 12:57:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3250, 13.1750 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 7 10352 10352
Apiro MC 8 2280 12632
Poggio San Vicino MC 10 246 12878
San Severino Marche MC 11 12726 25604
Treia MC 11 9403 35007
Staffolo AN 12 2253 37260
Gagliole MC 13 620 37880
Cupramontana AN 14 4756 42636
San Paolo di Jesi AN 15 933 43569
Appignano MC 15 4213 47782
Cerreto d'Esi AN 15 3817 51599
Matelica MC 15 9981 61580
Pollenza MC 15 6618 68198
Tolentino MC 16 20069 88267
Castelraimondo MC 16 4587 92854
Serrapetrona MC 16 966 93820
Maiolati Spontini AN 18 6248 100068
Monte Roberto AN 18 3061 103129
Castelbellino AN 18 4947 108076
Belforte del Chienti MC 19 1886 109962
Serra San Quirico AN 19 2850 112812
Filottrano AN 19 9499 122311
Rosora AN 20 1985 124296
Mergo AN 20 1037 125333

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km SW of Ancona (100861 inhabitants)
56 Km NE of Foligno (57155 inhabitants)
59 Km S of Fano (60888 inhabitants)
68 Km E of Perugia (166134 inhabitants)
68 Km SE of Pesaro (94582 inhabitants)
86 Km NW of Teramo (54892 inhabitants)
95 Km NE of Terni (111501 inhabitants)
95 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 1.1 2021-09-15
10:57:50		 43.3253 13.1753 1 2022-03-30
13:04:40		 Bollettino Sismico Italiano INGV 101754571
Reviewed
Rev100 		ML 1.2 2021-09-15
10:57:50		 43.3432 13.2078 6 2021-09-15
11:04:56		 Sala Sismica INGV-Roma 95460361
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-15 10:57:50 ± 0.15
Latitude 43.3253 ± 0.0090
Longitude 13.1753 ± 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 101754571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1040
Semi-minor axis of confidence ellipse (meter) 880
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 1040.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.42
Epicentral distance of station closest to the epicenter (degree) 0.05216
Epicentral distance of station farthest from the epicenter (degree) 0.51711
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 101754571
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-07 10:38:31

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 95460361
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-15 11:04:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2021-09-15T10:58:01.02 0.1 undecidable manual P 304 57.3981 90 -0.71 76
IV.MURB.HHZ. 2021-09-15T10:58:00.42 0.3 undecidable manual P 263 53.0025 91 -0.42 64
IV.ASSB.HHZ. 2021-09-15T10:58:00.16 0.3 undecidable manual P 233 52.2033 91 -0.54 62
IV.ATFO.HHZ. 2021-09-15T10:57:59.68 0.1 undecidable manual P 276 48.9177 91 -0.35 87
IV.ATCC.EHZ. 2021-09-15T10:57:59.34 0.3 undecidable manual P 250 45.9207 91 -0.1 69
IV.MF5.EHZ. 2021-09-15T10:57:58.91 0.3 undecidable manual P 148 43.9227 91 -0.12 69
IV.SSFR.HHZ. 2021-09-15T10:57:57.10 0.1 undecidable manual P 291 34.0437 91 0.06 95
IV.MML1.EHZ. 2021-09-15T10:57:56.26 0.1 positive manual P 215 28.6491 91 0.28 92
IV.FDMO.HHZ. 2021-09-15T10:57:56.59 0.1 undecidable manual P 193 32.8449 91 -0.21 92
IV.ARVD.HHZ. 2021-09-15T10:57:55.66 0.1 undecidable manual P 316 26.8509 91 0.05 96
IV.CSP1.EHZ. 2021-09-15T10:57:55.35 0.1 positive manual P 175 26.0517 91 -0.09 96
IV.SNTG.HHZ. 2021-09-15T10:57:54.95 0.1 undecidable manual P 248 20.4684 91 0.61 85
IV.EL6.EHZ. 2021-09-15T10:57:52.56 0.1 positive manual P 274 5.994 95 1.13 69
IV.TRE1.HNZ. 2021-09-15T10:57:52.63 0.1 undecidable manual P 98 11.1777 93 0.16 97
IV.CING.HHZ. 2021-09-15T10:57:51.44 0.1 positive manual P 16 5.7942 95 0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SNTG.HHE. ML:0.7 0.000044649999999999994 0.2 AML other m 2021-09-15T10:58:00.13
IV.CSP1.EHE. ML:1.5 0.000201 0.52 AML other m 2021-09-15T10:58:00.91
IV.CSP1.EHN. ML:1.7 0.0002815 0.98 AML other m 2021-09-15T10:58:01.06
IV.ARVD.HHE. ML:0.8 0.000033350000000000004 0.2 AML other m 2021-09-15T10:58:01.31
IV.MML1.EHN. ML:1.0 0.00004795 0.78 AML other m 2021-09-15T10:58:01.89
IV.ARVD.HHN. ML:0.7 0.0000295 1.02 AML other m 2021-09-15T10:58:02.15
IV.SNTG.HHN. ML:0.8 0.000052449999999999994 0.2 AML other m 2021-09-15T10:58:02.36
IV.MML1.EHE. ML:1.0 0.00005155 0.52 AML other m 2021-09-15T10:58:02.76
IV.FDMO.HHE. ML:1.2 0.00006635 0.16 AML other m 2021-09-15T10:58:03.36
IV.FDMO.HHN. ML:1.0 0.00005015 0.64 AML other m 2021-09-15T10:58:03.72
IV.SSFR.HHN. ML:1.5 0.000135 1.36 AML other m 2021-09-15T10:58:04.83
IV.SSFR.HHE. ML:1.4 0.0001215 0.94 AML other m 2021-09-15T10:58:05.40
IV.MURB.HHE. ML:1.5 0.00007615 0.2 AML other m 2021-09-15T10:58:10.35
IV.ASSB.HHE. ML:1.0 0.0000268 0.7 AML other m 2021-09-15T10:58:11.20
IV.ATFO.HHE. ML:1.0 0.000025600000000000002 0.24 AML other m 2021-09-15T10:58:11.44
IV.ATFO.HHN. ML:1.0 0.0000263 0.54 AML other m 2021-09-15T10:58:12.31
IV.MURB.HHN. ML:1.4 0.00005995 0.2 AML other m 2021-09-15T10:58:12.88
IV.ASSB.HHN. ML:1.0 0.0000237 0.76 AML other m 2021-09-15T10:58:13.52
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