Istituto Nazionale di Geofisica e Vulcanologia

Earthquake (quarry blast) with magnitude of ML 0.8 on date 01-09-2021 and time 09:54:00 (UTC) in region 5 km SW Serrapetrona (MC)

A magnitude ML 0.8 (quarry blast) earthquake occured in region: 5 km SW Serrapetrona (MC), on

  • 01-09-2021 09:54:00 (UTC)
  • 01-09-2021 11:54:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1440, 13.1500 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
Serrapetrona MC 5 966 966
Caldarola MC 6 1823 2789
Camerino MC 7 6974 9763
Belforte del Chienti MC 8 1886 11649
Camporotondo di Fiastrone MC 10 563 12212
Cessapalombo MC 10 512 12724
San Severino Marche MC 10 12726 25450
Pievebovigliana MC 11 866 26316
Castelraimondo MC 11 4587 30903
Muccia MC 11 915 31818
Fiastra MC 12 559 32377
Gagliole MC 13 620 32997
Fiordimonte MC 13 202 33199
Acquacanina MC 13 121 33320
Tolentino MC 13 20069 53389
Pieve Torina MC 14 1458 54847
Pioraco MC 14 1134 55981
San Ginesio MC 14 3498 59479
Sefro MC 16 422 59901
Matelica MC 17 9981 69882
Colmurano MC 17 1263 71145
Sarnano MC 17 3264 74409
Gualdo MC 18 815 75224
Ripe San Ginesio MC 18 852 76076
Bolognola MC 18 142 76218
Serravalle di Chienti MC 18 1070 77288
Fiuminata MC 18 1402 78690
Urbisaglia MC 19 2628 81318

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NE of Foligno (57155 inhabitants)
61 Km SW of Ancona (100861 inhabitants)
62 Km E of Perugia (166134 inhabitants)
70 Km NW of Teramo (54892 inhabitants)
77 Km NE of Terni (111501 inhabitants)
79 Km S of Fano (60888 inhabitants)
87 Km S of Pesaro (94582 inhabitants)
90 Km N of L'Aquila (69753 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 0.8 2021-09-01
09:54:00		 43.1445 13.1503 1 2022-03-30
13:04:41		 Bollettino Sismico Italiano INGV 102050711
Reviewed
Rev100 		ML 1.4 2021-09-01
09:54:00		 43.1488 13.143 0 2021-09-01
10:07:25		 Sala Sismica INGV-Roma 94910501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-01 09:54:00 ± 0.06
Latitude 43.1445 ± 0.0036
Longitude 13.1503 ± 0.0049
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 102050711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 360
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) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27519
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 102050711
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-03-17 00:02:53

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 94910501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-01 10:07:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.ROTM.HHZ. 2021-09-01T09:55:22.50 3.0 undecidable manual Sg 11.72 0
AC.VLO.HHZ. 2021-09-01T09:55:21.01 3.0 positive manual Pg 24.1 0
IV.SCHR.EHZ. 2021-09-01T09:54:45.63 3.0 positive manual Pg 17.450001 0
IV.EVRN.HHZ. 2021-09-01T09:54:44.36 3.0 positive manual Pn -6.36 0
IV.VBKN.HHZ. 2021-09-01T09:54:40.53 3.0 undecidable manual Sn -1.06 0
GU.LSD.HHZ. 2021-09-01T09:54:38.34 3.0 positive manual Pn -2.4 0
IV.CMPR.HHZ. 2021-09-01T09:54:35.87 3.0 undecidable manual Pg 14.7 0
IV.PTRP.HHZ. 2021-09-01T09:54:22.22 3.0 undecidable manual Pn -3.03 0
IV.NDIM.HNZ. 2021-09-01T09:54:17.89 3.0 negative manual Pg 7.21 0
IV.MF5.EHZ. 2021-09-01T09:54:06.15 0.3 undecidable manual P 125 30.5472 91 -0.06 71
IV.CING.HHE. 2021-09-01T09:54:05.55 0.6 undecidable manual P 8 25.8519 91 0.27 46
IV.CESI.HHZ. 2021-09-01T09:54:05.17 0.6 undecidable manual P 232 25.2525 91 0.02 48
IV.MC2.EHE. 2021-09-01T09:54:05.10 0.3 undecidable manual P 173 26.0517 91 -0.21 70
IV.EL6.EHZ. 2021-09-01T09:54:03.92 0.3 undecidable manual P 349 20.868 91 -0.36 68
IV.MML1.EHZ. 2021-09-01T09:54:03.14 0.3 undecidable manual P 257 14.874 92 0.06 73
IV.GUMA.HNN. 2021-09-01T09:54:03.79 0.3 undecidable manual P 121 17.4714 92 0.19 71
IV.PARC.HHZ. 2021-09-01T09:54:03.62 3.0 undecidable manual S -3.4 0
IV.FDMO.HHZ. 2021-09-01T09:54:02.79 0.3 undecidable manual P 203 12.9759 92 0.08 73
IV.CSP1.EHZ. 2021-09-01T09:54:01.56 0.1 undecidable manual P 143 7.2927 94 0 100
IV.MDAR.HNE. 2021-09-01T09:54:01.26 0.3 undecidable manual P 353 5.3946 95 0.08 99
IV.PF6.EHZ. 2021-09-01T09:54:00.79 0.1 positive manual P 102 3.5964 98 -0.04 100
IV.RMP.HHZ. 2021-09-01T09:53:59.17 3.0 undecidable manual S -2.49 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.5 0.00003952956 0.3584 AML other m 2021-09-01T09:54:09.03
IV.FDMO.HHN. ML:0.5 0.000046 0.48 AML other m 2021-09-01T09:54:09.59
IV.EL6.EHN. ML:1.2 0.00014005000000000002 0.92 AML other m 2021-09-01T09:54:11.62
IV.EL6.EHE. ML:1.0 0.00007640475199999999 0.576 AML other m 2021-09-01T09:54:15.61
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