Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 1.6 on date 13-04-2021 and time 12:39:29 (Italy) in region 7 km SW Cingoli (MC)

A magnitude ML 1.6 (quarry blast) earthquake occured in region: 7 km SW Cingoli (MC), on

  • 13-04-2021 10:39:29 (UTC)
  • 13-04-2021 12:39:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.3210, 13.1780 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 9 2280 12632
Poggio San Vicino MC 10 246 12878
San Severino Marche MC 10 12726 25604
Treia MC 11 9403 35007
Staffolo AN 13 2253 37260
Gagliole MC 13 620 37880
Appignano MC 15 4213 42093
Cupramontana AN 15 4756 46849
Pollenza MC 15 6618 53467
San Paolo di Jesi AN 15 933 54400
Tolentino MC 15 20069 74469
Matelica MC 15 9981 84450
Cerreto d'Esi AN 16 3817 88267
Castelraimondo MC 16 4587 92854
Serrapetrona MC 16 966 93820
Belforte del Chienti MC 18 1886 95706
Maiolati Spontini AN 18 6248 101954
Monte Roberto AN 18 3061 105015
Castelbellino AN 19 4947 109962
Filottrano AN 19 9499 119461
Serra San Quirico AN 19 2850 122311

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)
68 Km E of Perugia (166134 inhabitants)
69 Km SE of Pesaro (94582 inhabitants)
85 Km NW of Teramo (54892 inhabitants)
95 Km NE of Terni (111501 inhabitants)
96 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 1.6 2021-04-13
10:39:29		 43.3212 13.1777 1 2021-07-12
16:55:14		 Bollettino Sismico Italiano INGV 90894491
Reviewed
Rev100 		ML 1.6 2021-04-13
10:39:28		 43.3412 13.2172 7 2021-04-13
10:57:41		 Sala Sismica INGV-Roma 89056701
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-04-13 10:39:29 ± 0.12
Latitude 43.3212 ± 0.0063
Longitude 13.1777 ± 0.0111
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 90894491

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 910
Semi-minor axis of confidence ellipse (meter) 660
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 245
Circular confidence region, given by single value of horizontal uncertainty (meter) 910.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 24
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.51351
Number of stations at which the event was observed 35
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 89056701
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-04-13 10:57:41

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 90894491
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-15 12:36:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.ZAG.BHZ. 2021-04-13T10:41:11.90 3.0 undecidable manual Sg 11.82 0
IV.BRES.EHZ. 2021-04-13T10:41:05.97 3.0 undecidable manual Sn -1.36 0
IV.SELL.HHZ. 2021-04-13T10:40:47.14 3.0 undecidable manual Pn 1.86 0
IV.VENL.HNZ. 2021-04-13T10:40:38.95 3.0 undecidable manual Sg 4.75 0
IV.CELI.HHZ. 2021-04-13T10:40:37.71 3.0 undecidable manual Pn -1.99 0
IV.VAGA.HHZ. 2021-04-13T10:40:35.76 3.0 undecidable manual Sg 4.62 0
SL.LJU.BHZ. 2021-04-13T10:40:23.82 3.0 negative manual Pg 8.01 0
IV.MTMR.EHZ. 2021-04-13T10:40:19.00 3.0 undecidable manual Pg 5.29 0
OT.OT14.EHZ. 2021-04-13T10:40:12.50 3.0 undecidable manual Pn 2.59 0
IV.BRSN.EHZ. 2021-04-13T10:40:11.50 3.0 undecidable manual S 0.19 0
IV.TERO.HHZ. 2021-04-13T10:39:44.47 3.0 undecidable manual P 0.34 0
IV.ASSB.HHZ. 2021-04-13T10:39:39.18 0.3 undecidable manual P 234 52.1034 91 -0.43 63
IV.PIEI.HHZ. 2021-04-13T10:39:39.56 0.3 undecidable manual P 295 56.9985 91 -1.03 50
IV.NRCA.HHZ. 2021-04-13T10:39:39.01 0.1 undecidable manual P 185 54.3012 91 -1.04 66
IV.MPAG.EHZ. 2021-04-13T10:39:38.22 0.3 undecidable manual P 316 48.0186 91 -0.56 61
IV.ATCC.EHZ. 2021-04-13T10:39:38.31 0.1 undecidable manual P 251 46.0206 91 -0.07 92
IV.AOI.HHE. 2021-04-13T10:39:37.06 0.3 undecidable manual P 53 42.624 91 -0.64 60
IV.FRON.EHZ. 2021-04-13T10:39:37.39 0.1 undecidable manual P 301 42.4242 91 -0.28 89
IV.CESI.HHZ. 2021-04-13T10:39:37.44 0.3 undecidable manual P 212 41.4252 91 -0.03 70
IV.COR1.EHZ. 2021-04-13T10:39:37.23 0.3 undecidable manual P 338 37.3293 91 0.59 62
IV.MC2.EHZ. 2021-04-13T10:39:37.77 0.1 undecidable manual P 179 45.4212 91 -0.51 84
IV.MF5.EHZ. 2021-04-13T10:39:37.88 0.1 undecidable manual P 148 43.4232 91 0 94
IV.SSFR.HHZ. 2021-04-13T10:39:36.07 0.3 undecidable manual P 292 34.3434 91 0.02 71
IV.FOSV.EHZ. 2021-04-13T10:39:36.11 0.3 undecidable manual P 265 33.744 91 0.18 69
IV.MML1.HNE. 2021-04-13T10:39:35.30 0.1 undecidable manual P 216 28.4493 91 0.44 88
IV.SAP2.EHZ. 2021-04-13T10:39:35.69 0.3 undecidable manual P 144 30.6471 91 0.38 67
IV.FDMO.HHZ. 2021-04-13T10:39:35.58 0.1 undecidable manual P 193 32.4453 91 -0.08 94
IV.CSP1.EHZ. 2021-04-13T10:39:34.41 0.1 positive manual P 175 25.5522 91 0.13 94
IV.ARVD.HHZ. 2021-04-13T10:39:34.65 0.1 undecidable manual P 316 27.3504 91 0 96
IV.PF6.EHN. 2021-04-13T10:39:33.44 0.3 undecidable manual P 176 20.3685 91 0.19 71
IV.MMUR.HNE. 2021-04-13T10:39:33.64 0.3 undecidable manual P 313 19.7691 91 0.51 66
IV.MDAR.HNN. 2021-04-13T10:39:32.77 0.3 undecidable manual P 191 14.4744 92 0.69 62
IV.EL6.EHE. 2021-04-13T10:39:31.58 0.3 undecidable manual P 278 6.1938 95 1.16 51
IV.TRE1.HNZ. 2021-04-13T10:39:31.66 0.1 undecidable manual P 96 10.9779 93 0.29 94
IV.CING.HNZ. 2021-04-13T10:39:30.42 0.1 undecidable manual P 13 6.1938 95 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHE. ML:1.7 0.0002305 0.28 AML other m 2021-04-13T10:39:42.67
IV.SSFR.HHN. ML:1.8 0.000262 0.14 AML other m 2021-04-13T10:39:44.19
IV.CESI.HHN. ML:1.3 0.000074473445 0.3008 AML other m 2021-04-13T10:39:47.27
IV.CESI.HHE. ML:1.4 0.000078618975 0.6048 AML other m 2021-04-13T10:39:48.01
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