Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.2 on date 28-06-2021 and time 11:37:42 (Italy) in region 6 km SW Cingoli (MC)

A magnitude ML 1.2 (quarry blast) earthquake occured in region: 6 km SW Cingoli (MC), on

  • 28-06-2021 09:37:42 (UTC)
  • 28-06-2021 11:37:42 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3300, 13.1760 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
Apiro MC 8 2280 12632
Poggio San Vicino MC 9 246 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 14 933 43569
Appignano MC 14 4213 47782
Cerreto d'Esi AN 15 3817 51599
Pollenza MC 16 6618 58217
Matelica MC 16 9981 68198
Tolentino MC 16 20069 88267
Castelraimondo MC 16 4587 92854
Serrapetrona MC 17 966 93820
Maiolati Spontini AN 17 6248 100068
Monte Roberto AN 17 3061 103129
Castelbellino AN 18 4947 108076
Serra San Quirico AN 18 2850 110926
Filottrano AN 19 9499 120425
Belforte del Chienti MC 19 1886 122311
Rosora AN 19 1985 124296
Mergo AN 19 1037 125333
Castelplanio AN 20 3540 128873

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km SW of Ancona (100861 inhabitants)
56 Km NE of Foligno (57155 inhabitants)
59 Km S of Fano (60888 inhabitants)
68 Km SE of Pesaro (94582 inhabitants)
68 Km E of Perugia (166134 inhabitants)
86 Km NW of Teramo (54892 inhabitants)
95 Km SE of Rimini (147750 inhabitants)
96 Km NE of Terni (111501 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 1.2 2021-06-28
09:37:42		 43.3302 13.1755 1 2021-12-29
11:12:30		 Bollettino Sismico Italiano INGV 95423491
Reviewed
Rev100 		ML 0.9 2021-06-28
09:37:41		 43.3423 13.2097 7 2021-06-28
09:48:03		 Sala Sismica INGV-Roma 91995501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-28 09:37:42 ± 0.16
Latitude 43.3302 ± 0.0090
Longitude 13.1755 ± 0.0148
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 95423491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1270
Semi-minor axis of confidence ellipse (meter) 930
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 1270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 83
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.43
Epicentral distance of station closest to the epicenter (degree) 0.04766
Epicentral distance of station farthest from the epicenter (degree) 0.50812
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitudes information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.5
Num. used stations 20
Type of magnitude ML
Reference to an origin 95423491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-14 14:11:08

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 91995501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-28 09:48:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2021-06-28T09:37:52.44 0.3 undecidable manual P 294 56.3991 91 -0.9 54
IV.MURB.HHZ. 2021-06-28T09:37:52.48 0.3 undecidable manual P 262 53.1024 91 -0.2 68
IV.MPAG.EHZ. 2021-06-28T09:37:51.07 0.3 undecidable manual P 315 47.1195 91 -0.42 66
IV.MF5.EHZ. 2021-06-28T09:37:50.78 0.3 undecidable manual P 149 44.4222 91 -0.16 70
IV.FRON.EHZ. 2021-06-28T09:37:50.25 0.3 undecidable manual P 300 41.8248 91 -0.17 70
IV.FDMO.HHZ. 2021-06-28T09:37:48.50 0.1 undecidable manual P 192 33.3444 91 -0.23 93
IV.MML1.HNN. 2021-06-28T09:37:48.08 0.1 undecidable manual P 214 29.1486 91 0.19 95
IV.ARVD.HHZ. 2021-06-28T09:37:47.52 0.1 positive manual P 315 26.4513 91 0.17 96
IV.CSP1.EHZ. 2021-06-28T09:37:47.28 0.1 positive manual P 175 26.5512 91 -0.08 97
IV.EL6.EHZ. 2021-06-28T09:37:44.43 0.1 positive manual P 269 5.994 95 1.19 68
IV.TRE1.HNZ. 2021-06-28T09:37:44.49 0.3 undecidable manual P 101 11.2776 93 0.18 73
IV.CING.HHZ. 2021-06-28T09:37:43.24 0.1 undecidable manual P 18 5.2947 95 0.13 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TRE1.HNN. ML:1.7 0.0009151844 0.672 AML other m 2021-06-28T09:37:49.82
IV.MPAG.HNN. ML:2.4 0.000780325 1.3344 AML other m 2021-06-28T09:37:51.68
IV.MPAG.HNE. ML:2.4 0.0006898770000000001 1.2704 AML other m 2021-06-28T09:37:51.67
IV.TRE1.HNE. ML:1.8 0.0011460436 1.136 AML other m 2021-06-28T09:37:51.22
IV.CSP1.EHN. ML:1.4 0.0001634765 0.3776 AML other m 2021-06-28T09:37:52.81
IV.ARVD.HHN. ML:0.6 0.000026220855000000002 0.0832 AML other m 2021-06-28T09:37:52.85
IV.CSP1.EHE. ML:1.2 0.00010398273500000001 0.1344 AML other m 2021-06-28T09:37:53.18
IV.ARVD.HHE. ML:0.7 0.000030818035 0.1024 AML other m 2021-06-28T09:37:54.21
IV.FDMO.HHE. ML:1.0 0.000042800000000000004 0.18 AML other m 2021-06-28T09:37:54.65
IV.FDMO.HHN. ML:0.9 0.000034250000000000006 1.06 AML other m 2021-06-28T09:37:54.75
IV.MURB.HHN. ML:1.4 0.00006775000000000001 0.24 AML other m 2021-06-28T09:37:56.38
IV.MURB.HNE. ML:1.6 0.000101861725 0.5696 AML other m 2021-06-28T09:37:58.00
IV.FRON.EHN. ML:0.9 0.000024684345000000003 1.8848 AML other m 2021-06-28T09:37:59.98
IV.MPAG.EHN. ML:0.5 0.0000115033435 0.16 AML other m 2021-06-28T09:38:00.24
IV.MPAG.EHE. ML:0.7 0.000014898639499999998 0.1152 AML other m 2021-06-28T09:38:00.41
IV.FRON.EHE. ML:0.6 0.00001576089 0.32 AML other m 2021-06-28T09:38:01.29
IV.MURB.HNN. ML:1.7 0.000130487165 1.5648 AML other m 2021-06-28T09:38:02.15
IV.PIEI.HHN. ML:0.6 0.000012250000000000001 0.1 AML other m 2021-06-28T09:38:02.54
IV.PIEI.HHE. ML:0.9 0.0000188 0.64 AML other m 2021-06-28T09:38:04.48
IV.MURB.HHE. ML:1.4 0.0000621 0.26 AML other m 2021-06-28T09:38:07.40
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