Earthquake (quarry blast) with magnitude of ML 0.8 on date 06-10-2021 and time 09:25:31 (Italy) in region 5 km SW Serrapetrona (MC)

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

  • 06-10-2021 07:25:31 (UTC)
  • 06-10-2021 09:25:31 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1440, 13.1440 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.

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
Camerino MC 6 6974 7940
Caldarola MC 7 1823 9763
Belforte del Chienti MC 8 1886 11649
Camporotondo di Fiastrone MC 10 563 12212
San Severino Marche MC 10 12726 24938
Cessapalombo MC 10 512 25450
Pievebovigliana MC 10 866 26316
Castelraimondo MC 10 4587 30903
Muccia MC 11 915 31818
Fiastra MC 12 559 32377
Gagliole MC 12 620 32997
Fiordimonte MC 13 202 33199
Acquacanina MC 13 121 33320
Pieve Torina MC 13 1458 34778
Pioraco MC 14 1134 35912
Tolentino MC 14 20069 55981
San Ginesio MC 15 3498 59479
Sefro MC 16 422 59901
Matelica MC 17 9981 69882
Serravalle di Chienti MC 17 1070 70952
Sarnano MC 18 3264 74216
Colmurano MC 18 1263 75479
Bolognola MC 18 142 75621
Fiuminata MC 18 1402 77023
Gualdo MC 18 815 77838
Ripe San Ginesio MC 18 852 78690
Urbisaglia MC 20 2628 81318

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km NE of Foligno (57155 inhabitants)
61 Km SW of Ancona (100861 inhabitants)
61 Km E of Perugia (166134 inhabitants)
71 Km NW of Teramo (54892 inhabitants)
76 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 2021-10-06
07:25:31
43.1437 13.1443 1 2022-03-30
13:04:13
Bollettino Sismico Italiano INGV 96880821
Reviewed
Rev100
ML 0.9 2021-10-06
07:25:30
43.1442 13.1647 7 2021-10-06
07:42:39
Sala Sismica INGV-Roma 96282941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-06 07:25:31 ± 0.08
Latitude 43.1437 ± 0.0045
Longitude 13.1443 ± 0.0074
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 96880821

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 600
Semi-minor axis of confidence ellipse (meter) 480
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 232
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.27789
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 96282941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-06 07:42:39

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 4
Type of magnitude ML
Reference to an origin 96880821
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-16 10:43:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
AC.VLO.HHZ. 2021-10-06T07:26:59.23 3.0 undecidable manual Pn 4.86 0
IV.OPPE.HNZ. 2021-10-06T07:26:47.87 3.0 undecidable manual Sn -1.03 0
GU.CARD.HHZ. 2021-10-06T07:26:36.81 3.0 undecidable manual Sn -0.49 0
IV.MILN.HHZ. 2021-10-06T07:26:32.90 3.0 undecidable manual Pn 3.21 0
CR.STON.BHZ. 2021-10-06T07:26:25.88 3.0 undecidable manual Pn 0.17 0
IV.TEOL.HHZ. 2021-10-06T07:26:16.33 3.0 undecidable manual Pg 2.92 0
OT.OT17.EHZ. 2021-10-06T07:26:12.84 3.0 negative manual Pg 3.22 0
IV.APEC.HHZ. 2021-10-06T07:25:56.05 3.0 undecidable manual Sn -2.01 0
IV.CING.HNZ. 2021-10-06T07:25:36.31 0.3 undecidable manual P 9 26.0517 91 -0.09 72
IV.MMO1.EHZ. 2021-10-06T07:25:36.95 0.3 undecidable manual P 151 30.8469 91 -0.42 66
IV.MC2.EHZ. 2021-10-06T07:25:36.13 0.3 undecidable manual P 172 26.0517 91 -0.27 69
IV.CESI.HNZ. 2021-10-06T07:25:36.02 0.3 undecidable manual P 232 24.753 91 -0.13 71
IV.EL6.EHZ. 2021-10-06T07:25:35.28 0.3 undecidable manual P 351 20.868 91 -0.09 73
IV.GUMA.HHZ. 2021-10-06T07:25:35.03 0.3 undecidable manual P 120 17.871 92 0.26 70
IV.SNTG.HHZ. 2021-10-06T07:25:35.28 0.3 undecidable manual P 307 20.5683 91 -0.03 73
IV.MML1.HNZ. 2021-10-06T07:25:34.39 0.3 undecidable manual P 257 14.3745 92 0.33 70
IV.FDMO.HHZ. 2021-10-06T07:25:33.85 0.3 undecidable manual P 201 12.7761 92 0.11 73
IV.PF6.EHZ. 2021-10-06T07:25:32.07 0.1 undecidable manual P 99 4.0959 97 0.06 100
IV.CSP1.EHZ. 2021-10-06T07:25:32.86 0.1 undecidable manual P 140 7.5813 94 0.16 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.5 0.000043024855 1.2608 AML other m 2021-10-06T07:25:38.80
IV.EL6.EHE. ML:1.2 0.0001249096 0.3392 AML other m 2021-10-06T07:25:40.46
IV.EL6.EHN. ML:1.1 0.000109087295 0.24 AML other m 2021-10-06T07:25:40.64
IV.FDMO.HHN. ML:0.5 0.000048067025 0.6592 AML other m 2021-10-06T07:25:40.99
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