Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 01-09-2020 and time 06:39:56 (UTC) in region 3 km N Muccia (MC)

A magnitude ML 1.1 earthquake occured in region: 3 km N Muccia (MC), on

  • 01-09-2020 06:39:56 (UTC)
  • 01-09-2020 08:39:56 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1090, 13.0520 at 11 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Muccia MC 3 915 915
Camerino MC 3 6974 7889
Pievebovigliana MC 6 866 8755
Pieve Torina MC 7 1458 10213
Fiordimonte MC 9 202 10415
Serravalle di Chienti MC 9 1070 11485
Sefro MC 9 422 11907
Pioraco MC 10 1134 13041
Castelraimondo MC 11 4587 17628
Fiastra MC 12 559 18187
Fiuminata MC 13 1402 19589
Acquacanina MC 13 121 19710
Monte Cavallo MC 13 145 19855
Serrapetrona MC 14 966 20821
Caldarola MC 15 1823 22644
Gagliole MC 15 620 23264
Belforte del Chienti MC 16 1886 25150
Cessapalombo MC 17 512 25662
Matelica MC 17 9981 35643
San Severino Marche MC 17 12726 48369
Camporotondo di Fiastrone MC 18 563 48932
Esanatoglia MC 18 2034 50966
Bolognola MC 19 142 51108
Ussita MC 20 444 51552
Visso MC 20 1107 52659

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NE of Foligno (57155 inhabitants)
54 Km E of Perugia (166134 inhabitants)
68 Km SW of Ancona (100861 inhabitants)
69 Km NE of Terni (111501 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
82 Km S of Fano (60888 inhabitants)
89 Km NW of L'Aquila (69753 inhabitants)
90 Km S of Pesaro (94582 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 2020-09-01
06:39:56		 43.1087 13.052 11 2021-02-26
14:56:06		 Bollettino Sismico Italiano INGV 84963211
Reviewed
Rev100 		ML 1.2 2020-09-01
06:39:56		 43.1178 13.0412 12 2020-09-01
06:46:27		 Sala Sismica INGV-Roma 82520531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-01 06:39:56 ± 0.09
Latitude 43.1087 ± 0.0045
Longitude 13.0520 ± 0.0099
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 84963211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 846
Semi-minor axis of confidence ellipse (meter) 418
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 850.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 182
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.22123
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 5
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 82520531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-01 06:46:27

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 84963211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-23 09:44:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
SI.MOSI.HHZ. 2020-09-01T06:41:54.97 3.0 undecidable manual Sg 8.54 0
IV.TDS.HHZ. 2020-09-01T06:41:53.26 3.0 undecidable manual Sn -4.15 0
IV.ISPIC.HNZ. 2020-09-01T06:41:46.66 3.0 positive manual Pg 11.36 0
IV.CROCE.HNZ. 2020-09-01T06:41:46.12 3.0 negative manual Pg 12.37 0
CR.ZAG.BHZ. 2020-09-01T06:41:40.84 3.0 undecidable manual Sg 3.38 0
IV.AGLI.HHZ. 2020-09-01T06:41:30.78 3.0 undecidable manual Sn -4.12 0
IV.IVPL.HHZ. 2020-09-01T06:41:15.83 3.0 negative manual Pn 1.4 0
IV.IFIL.HHZ. 2020-09-01T06:41:15.28 3.0 positive manual Pg 4.56 0
IV.ILOS.HNZ. 2020-09-01T06:41:14.00 3.0 positive manual Pn 0.58 0
IV.SBPO.HNZ. 2020-09-01T06:41:12.97 3.0 undecidable manual Sg 2.62 0
IV.PSB1.HHZ. 2020-09-01T06:41:09.44 3.0 undecidable manual Sg -0.34 0
SI.MOSI.HHZ. 2020-09-01T06:41:04.83 3.0 positive manual Pg 5.8 0
CR.ZAG.BHZ. 2020-09-01T06:41:01.28 3.0 positive manual Pg 7.29 0
IV.ROSPO.HHZ. 2020-09-01T06:40:46.20 3.0 undecidable manual Sn -8.33 0
OX.CIMO.HHZ. 2020-09-01T06:40:46.68 3.0 positive manual Pn -3.26 0
IV.FIR.HHZ. 2020-09-01T06:40:44.75 3.0 undecidable manual S -0.18 0
IT.LRNO.HNZ. 2020-09-01T06:40:33.78 3.0 positive manual Pg 0.51 0
IT.FIE.HGZ. 2020-09-01T06:40:23.17 3.0 negative manual P -1.19 0
IV.RSM2.HHZ. 2020-09-01T06:40:13.98 3.0 undecidable manual P -2.81 0
IV.SRES.HHZ. 2020-09-01T06:40:12.31 3.0 undecidable manual P -5.19 0
IV.MC2.EHZ. 2020-09-01T06:40:05.63 0.3 undecidable manual S 153 24.5532 50 0.26 69
IV.CESI.HHZ. 2020-09-01T06:40:03.01 0.3 undecidable manual S 226 16.5723 123 -0.15 72
IV.SNTG.HHZ. 2020-09-01T06:40:03.69 0.3 undecidable manual S 331 18.5703 120 -0.05 73
IV.MC2.EHZ. 2020-09-01T06:40:01.35 0.1 undecidable manual P 153 24.5532 50 -0.18 94
IV.MML1.HNE. 2020-09-01T06:40:00.87 0.3 undecidable manual S 275 6.4935 149 0.21 72
IV.CESI.HHZ. 2020-09-01T06:40:00.20 0.1 undecidable manual P 226 16.5723 123 -0.06 98
IV.SNTG.HHZ. 2020-09-01T06:40:00.48 0.1 undecidable manual P 331 18.5703 120 -0.11 96
IV.FDMO.HHZ. 2020-09-01T06:40:00.89 0.6 undecidable manual S 160 8.4804 142 -0.16 49
IV.FDMO.HHZ. 2020-09-01T06:39:59.06 0.1 undecidable manual P 160 8.4804 142 0.02 100
IV.MML1.HNE. 2020-09-01T06:39:59.04 0.1 undecidable manual P 275 6.4935 149 0.22 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.9 0.00010255 0.2 AML other m 2020-09-01T06:40:01.27
IV.FDMO.HHN. ML:1.0 0.0001197 0.1 AML other m 2020-09-01T06:40:01.25
IV.ARVD.HHN. ML:1.4 0.0000776 0.42 AML other m 2020-09-01T06:40:20.70
IV.ARVD.HHE. ML:1.3 0.0000588 0.42 AML other m 2020-09-01T06:40:24.51
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