Earthquake with magnitude of ML 0.8 on date 30-09-2021 and time 16:13:30 (Italy) in region 2 km W Muccia (MC)

A magnitude ML 0.8 earthquake occured in region: 2 km W Muccia (MC), on

  • 30-09-2021 14:13:30 (UTC)
  • 30-09-2021 16:13:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0870, 13.0200 at 14 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.

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 2 915 915
Pieve Torina MC 5 1458 2373
Serravalle di Chienti MC 6 1070 3443
Pievebovigliana MC 6 866 4309
Camerino MC 7 6974 11283
Fiordimonte MC 8 202 11485
Sefro MC 9 422 11907
Monte Cavallo MC 10 145 12052
Pioraco MC 11 1134 13186
Fiastra MC 12 559 13745
Fiuminata MC 14 1402 15147
Acquacanina MC 14 121 15268
Castelraimondo MC 14 4587 19855
Serrapetrona MC 17 966 20821
Gagliole MC 18 620 21441
Caldarola MC 18 1823 23264
Visso MC 18 1107 24371
Ussita MC 19 444 24815
Nocera Umbra PG 19 5839 30654
Matelica MC 19 9981 40635
Esanatoglia MC 19 2034 42669
Cessapalombo MC 20 512 43181
Bolognola MC 20 142 43323
Belforte del Chienti MC 20 1886 45209

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Foligno (57155 inhabitants)
51 Km E of Perugia (166134 inhabitants)
66 Km NE of Terni (111501 inhabitants)
72 Km SW of Ancona (100861 inhabitants)
73 Km NW of Teramo (54892 inhabitants)
84 Km S of Fano (60888 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
92 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 0.8 2021-09-30
14:13:30
43.0867 13.0198 14 2022-03-30
13:04:11
Bollettino Sismico Italiano INGV 96720761
Reviewed
Rev100
ML 0.7 2021-09-30
14:13:30
43.0847 13.0173 14 2021-09-30
14:25:44
Sala Sismica INGV-Roma 96069731
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-09-30 14:13:30 ± 0.06
Latitude 43.0867 ± 0.0027
Longitude 13.0198 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 96720761

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 308
Semi-minor axis of confidence ellipse (meter) 88
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 43
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.04407
Epicentral distance of station farthest from the epicenter (degree) 0.26710
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 96720761
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-10-18 10:21:54

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 96069731
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-09-30 14:25:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2021-09-30T14:13:41.12 0.3 undecidable manual S 261 29.6481 99 0.06 73
IV.NRCA.HNZ. 2021-09-30T14:13:40.67 0.6 undecidable manual S 165 29.1486 99 -0.24 47
IV.EL6.EHZ. 2021-09-30T14:13:40.71 0.6 undecidable manual S 14 27.75 100 0.16 47
IV.MC2.EHZ. 2021-09-30T14:13:39.65 0.3 undecidable manual S 145 23.754 103 0.13 73
IV.SNTG.HHZ. 2021-09-30T14:13:38.39 0.3 undecidable manual S 341 19.7691 108 -0.09 74
IV.CSP1.EHZ. 2021-09-30T14:13:37.53 0.1 undecidable manual S 88 14.9739 119 0.21 97
IV.CESI.HHZ. 2021-09-30T14:13:37.11 0.3 undecidable manual S 226 12.9759 124 0.24 73
IV.ASSB.HHZ. 2021-09-30T14:13:36.50 0.3 undecidable manual P 261 29.6481 99 -0.15 72
IV.NRCA.HNZ. 2021-09-30T14:13:36.49 0.3 undecidable manual P 165 29.1486 99 -0.08 73
IT.MTCL.HGZ. 2021-09-30T14:13:36.26 0.3 undecidable manual S 189 10.3785 133 -0.06 75
IV.EL6.EHZ. 2021-09-30T14:13:36.18 0.3 undecidable manual P 14 27.75 100 -0.18 72
IV.FDMO.HHZ. 2021-09-30T14:13:35.79 0.3 undecidable manual S 135 7.7811 143 -0.07 75
IV.SNTG.HHZ. 2021-09-30T14:13:35.17 0.3 undecidable manual P 341 19.7691 108 0.01 75
IV.MC2.EHZ. 2021-09-30T14:13:35.38 0.3 undecidable manual P 145 23.754 103 -0.38 69
IV.MML1.EHZ. 2021-09-30T14:13:35.32 0.3 undecidable manual S 307 4.8951 156 -0.14 74
IV.CSP1.EHZ. 2021-09-30T14:13:34.68 0.1 undecidable manual P 88 14.9739 119 0.19 97
IV.CESI.HHZ. 2021-09-30T14:13:34.42 0.1 positive manual P 226 12.9759 124 0.19 97
IV.MML1.EHZ. 2021-09-30T14:13:33.46 0.3 undecidable manual P 307 4.8951 156 0.04 77
IT.MTCL.HGZ. 2021-09-30T14:13:33.85 0.1 undecidable manual P 189 10.3785 133 -0.07 100
IV.FDMO.HHZ. 2021-09-30T14:13:33.75 0.3 undecidable manual P 135 7.7811 143 0.1 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:1.0 0.00011449999999999999 0.28 AML other m 2021-09-30T14:13:35.72
IV.MML1.EHN. ML:0.9 0.00009114999999999999 0.1 AML other m 2021-09-30T14:13:35.79
IV.CESI.HHN. ML:0.8 0.000056800000000000005 0.1 AML other m 2021-09-30T14:13:37.14
IV.CESI.HHE. ML:0.7 0.00004679999999999999 0.42 AML other m 2021-09-30T14:13:37.43
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download