Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 29-09-2021 and time 16:37:45 (Italy) in region 1 km W Muccia (MC)

A magnitude ML 1.3 earthquake occured in region: 1 km W Muccia (MC), on

  • 29-09-2021 14:37:45 (UTC)
  • 29-09-2021 16:37:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0840, 13.0340 at 10 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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 1 915 915
Pieve Torina MC 5 1458 2373
Pievebovigliana MC 5 866 3239
Camerino MC 6 6974 10213
Serravalle di Chienti MC 7 1070 11283
Fiordimonte MC 7 202 11485
Sefro MC 10 422 11907
Monte Cavallo MC 10 145 12052
Fiastra MC 11 559 12611
Pioraco MC 11 1134 13745
Acquacanina MC 13 121 13866
Castelraimondo MC 14 4587 18453
Fiuminata MC 14 1402 19855
Serrapetrona MC 16 966 20821
Caldarola MC 17 1823 22644
Visso MC 18 1107 23751
Gagliole MC 18 620 24371
Ussita MC 18 444 24815
Cessapalombo MC 19 512 25327
Bolognola MC 19 142 25469
Belforte del Chienti MC 19 1886 27355
Matelica MC 19 9981 37336
Camporotondo di Fiastrone MC 20 563 37899
Esanatoglia MC 20 2034 39933
San Severino Marche MC 20 12726 52659

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km E of Foligno (57155 inhabitants)
52 Km E of Perugia (166134 inhabitants)
66 Km NE of Terni (111501 inhabitants)
71 Km SW of Ancona (100861 inhabitants)
72 Km NW of Teramo (54892 inhabitants)
85 Km S of Fano (60888 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
93 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
Reviewed
Rev100 		ML 1.3 2021-09-29
14:37:45		 43.0842 13.0343 10 2021-09-29
14:43:43		 Sala Sismica INGV-Roma 96033041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-29 14:37:45 ± 0.09
Latitude 43.0842 ± 0.0063
Longitude 13.0343 ± 0.0062
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 96033041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 780
Semi-minor axis of confidence ellipse (meter) 432
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 151
Circular confidence region, given by single value of horizontal uncertainty (meter) 780.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30487
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 96033041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-29 14:43:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ATCC.EHZ. 2021-09-29T14:37:57.08 0.3 undecidable manual S 289 33.8439 50 0.32 68
IV.ASSB.HHZ. 2021-09-29T14:37:55.76 0.3 undecidable manual S 262 30.747 50 -0.18 71
IV.EL6.EHZ. 2021-09-29T14:37:55.02 0.1 undecidable manual S 11 27.75 50 -0.11 96
IV.MURB.HHZ. 2021-09-29T14:37:53.82 3.0 positive manual P 0.04 0
IV.GAVE.EHZ. 2021-09-29T14:37:53.55 3.0 undecidable manual P -0.15 0
IV.ASSB.HHZ. 2021-09-29T14:37:51.16 0.1 positive manual P 262 30.747 50 -0.16 95
IV.ATCC.EHZ. 2021-09-29T14:37:51.80 0.3 undecidable manual P 289 33.8439 50 0.01 73
IV.NRCA.HHZ. 2021-09-29T14:37:51.01 3.0 negative manual P 0.01 0
IV.PF6.EHZ. 2021-09-29T14:37:51.12 0.3 undecidable manual S 65 14.2746 125 0.09 74
IV.CSP1.EHZ. 2021-09-29T14:37:51.15 0.1 undecidable manual S 86 13.875 126 0.24 96
IV.EL6.EHZ. 2021-09-29T14:37:50.83 0.1 undecidable manual P 11 27.75 50 -0.02 98
IV.MC2.EHZ. 2021-09-29T14:37:50.45 3.0 negative manual P 0.36 0
IV.CESI.HHZ. 2021-09-29T14:37:50.91 0.1 undecidable manual S 230 13.6752 126 0.04 100
IT.MTCL.HGZ. 2021-09-29T14:37:49.52 0.1 undecidable manual S 196 10.3785 134 -0.46 92
IV.FDMO.HHZ. 2021-09-29T14:37:49.02 0.1 undecidable manual S 141 6.7932 145 -0.15 99
IV.CESI.HHZ. 2021-09-29T14:37:48.62 0.1 positive manual P 230 13.6752 126 0.23 96
IV.MML1.EHZ. 2021-09-29T14:37:48.88 0.1 undecidable manual S 303 5.994 149 -0.14 99
IV.CSP1.EHZ. 2021-09-29T14:37:48.66 0.1 positive manual P 86 13.875 126 0.25 96
IT.MTCL.HGZ. 2021-09-29T14:37:48.24 0.1 undecidable manual P 196 10.3785 134 0.36 94
IV.PF6.EHZ. 2021-09-29T14:37:47.74 0.1 undecidable manual P 65 14.2746 125 -0.74 82
IV.MML1.EHZ. 2021-09-29T14:37:47.53 0.1 negative manual P 303 5.994 149 0.21 98
IV.FDMO.HHZ. 2021-09-29T14:37:47.57 0.1 undecidable manual P 141 6.7932 145 0.16 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:1.2 0.00027800000000000004 0.12 AML other m 2021-09-29T14:37:49.14
IV.MML1.EHN. ML:1.5 0.0005809999999999999 0.22 AML other m 2021-09-29T14:37:49.11
IV.MML1.HNN. ML:1.5 0.0005629999999999999 0.22 AML other m 2021-09-29T14:37:49.11
IV.FDMO.HHE. ML:1.3 0.0002985 0.34 AML other m 2021-09-29T14:37:49.27
IV.FDMO.HHN. ML:1.2 0.0002495 0.78 AML other m 2021-09-29T14:37:49.57
IV.MML1.HNE. ML:1.3 0.0003465 1.22 AML other m 2021-09-29T14:37:49.14
IV.CESI.HHE. ML:1.4 0.000247 0.22 AML other m 2021-09-29T14:37:51.15
IV.CESI.HHN. ML:1.4 0.000242 0.14 AML other m 2021-09-29T14:37:51.09
IV.CSP1.EHE. ML:1.3 0.000191 1.5 AML other m 2021-09-29T14:37:51.91
IV.CSP1.EHN. ML:1.5 0.0003015 0.3 AML other m 2021-09-29T14:37:51.64
IV.NRCA.HHN. ML:1.1 0.00007000000000000001 1.86 AML other m 2021-09-29T14:37:56.05
IV.ASSB.HHN. ML:1.1 0.000057050000000000004 1.74 AML other m 2021-09-29T14:37:56.98
IV.ASSB.HHE. ML:1.0 0.0000473 1.48 AML other m 2021-09-29T14:37:56.19
IV.ATCC.EHE. ML:1.3 0.00009234999999999998 0.16 AML other m 2021-09-29T14:37:57.34
IV.ATCC.EHN. ML:1.0 0.000043950000000000004 0.32 AML other m 2021-09-29T14:37:57.50
IV.NRCA.HHE. ML:1.0 0.000055499999999999994 0.14 AML other m 2021-09-29T14:37:57.84
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