Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.1 on date 28-06-2021 and time 11:42:46 (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

  • 28-06-2021 09:42:46 (UTC)
  • 28-06-2021 11:42:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3160, 13.1920 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
San Severino Marche MC 10 12726 23078
Treia MC 10 9403 32481
Apiro MC 10 2280 34761
Poggio San Vicino MC 11 246 35007
Gagliole MC 13 620 35627
Staffolo AN 13 2253 37880
Appignano MC 14 4213 42093
Pollenza MC 14 6618 48711
Tolentino MC 14 20069 68780
Serrapetrona MC 15 966 69746
San Paolo di Jesi AN 16 933 70679
Cupramontana AN 16 4756 75435
Castelraimondo MC 16 4587 80022
Matelica MC 16 9981 90003
Cerreto d'Esi AN 17 3817 93820
Belforte del Chienti MC 17 1886 95706
Filottrano AN 19 9499 105205
Monte Roberto AN 19 3061 108266
Maiolati Spontini AN 19 6248 114514
Castelbellino AN 20 4947 119461
Urbisaglia MC 20 2628 122089
Caldarola MC 20 1823 123912

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km SW of Ancona (100861 inhabitants)
56 Km NE of Foligno (57155 inhabitants)
60 Km S of Fano (60888 inhabitants)
69 Km E of Perugia (166134 inhabitants)
70 Km SE of Pesaro (94582 inhabitants)
84 Km NW of Teramo (54892 inhabitants)
95 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 1.1 2021-06-28
09:42:46		 43.3162 13.1925 1 2021-12-29
11:12:23		 Bollettino Sismico Italiano INGV 94656801
Reviewed
Rev100 		ML 1.2 2021-06-28
09:42:46		 43.357 13.2507 9 2021-06-28
09:49:26		 Sala Sismica INGV-Roma 91995561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-28 09:42:46 ± 0.16
Latitude 43.3162 ± 0.0090
Longitude 13.1925 ± 0.0161
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 94656801

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1340
Semi-minor axis of confidence ellipse (meter) 930
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 1340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 56
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) 0.45
Epicentral distance of station closest to the epicenter (degree) 0.05936
Epicentral distance of station farthest from the epicenter (degree) 0.48563
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 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 91995561
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-28 09:49:26

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 94656801
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-09-14 14:13:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NRCA.HHZ. 2021-06-28T09:42:56.88 0.3 undecidable manual P 187 53.9016 91 -0.91 55
IV.ASSB.HHZ. 2021-06-28T09:42:56.89 0.3 undecidable manual P 235 52.8027 91 -0.67 61
IV.MF5.EHZ. 2021-06-28T09:42:55.68 0.1 undecidable manual P 149 42.3243 91 0.2 94
IV.AOI.HHE. 2021-06-28T09:42:54.86 0.6 undecidable manual P 52 41.9247 91 -0.54 44
IV.FDMO.HHZ. 2021-06-28T09:42:53.31 0.1 undecidable manual P 195 32.1456 91 -0.13 98
IV.CSP1.EHZ. 2021-06-28T09:42:52.14 0.1 undecidable manual P 178 24.9528 91 0.16 98
IV.ARVD.HHN. 2021-06-28T09:42:52.37 0.1 undecidable manual P 315 28.5492 91 -0.34 94
IV.PF6.EHE. 2021-06-28T09:42:51.20 0.1 undecidable manual P 180 19.7691 91 0.25 97
IV.MMUR.HNE. 2021-06-28T09:42:51.61 0.3 undecidable manual P 312 21.0678 91 0.41 70
IV.TRE1.HNE. 2021-06-28T09:42:49.34 0.3 undecidable manual P 93 9.6792 93 0.4 72
IV.EL6.EHN. 2021-06-28T09:42:49.27 0.1 undecidable manual P 281 7.4814 94 0.78 84
IV.CING.HHE. 2021-06-28T09:42:48.09 0.1 undecidable manual P 2 6.5934 94 -0.22 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ASSB.HHN. ML:1.1 0.0000308 1.32 AML other m 2021-06-28T09:43:06.28
IV.NRCA.HHN. ML:1.1 0.0000316 1.32 AML other m 2021-06-28T09:43:07.11
IV.ASSB.HHE. ML:1.0 0.000024100000000000003 0.72 AML other m 2021-06-28T09:43:07.11
IV.NRCA.HHE. ML:1.4 0.00005615 0.14 AML other m 2021-06-28T09:43:07.58
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