Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 30-11-2021 and time 19:46:27 (Italy) in region 4 km S Castelraimondo (MC)

A magnitude ML 0.9 earthquake occured in region: 4 km S Castelraimondo (MC), on

  • 30-11-2021 18:46:27 (UTC)
  • 30-11-2021 19:46:27 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1750, 13.0440 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
Castelraimondo MC 4 4587 4587
Camerino MC 5 6974 11561
Pioraco MC 5 1134 12695
Gagliole MC 8 620 13315
Sefro MC 8 422 13737
Fiuminata MC 9 1402 15139
Matelica MC 10 9981 25120
Muccia MC 10 915 26035
Esanatoglia MC 12 2034 28069
Serrapetrona MC 12 966 29035
San Severino Marche MC 13 12726 41761
Pievebovigliana MC 13 866 42627
Serravalle di Chienti MC 14 1070 43697
Pieve Torina MC 14 1458 45155
Caldarola MC 15 1823 46978
Fiordimonte MC 16 202 47180
Belforte del Chienti MC 16 1886 49066
Cerreto d'Esi AN 17 3817 52883
Fiastra MC 18 559 53442
Camporotondo di Fiastrone MC 19 563 54005
Cessapalombo MC 19 512 54517
Acquacanina MC 19 121 54638
Tolentino MC 20 20069 74707

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km NE of Foligno (57155 inhabitants)
54 Km E of Perugia (166134 inhabitants)
63 Km SW of Ancona (100861 inhabitants)
75 Km S of Fano (60888 inhabitants)
75 Km NE of Terni (111501 inhabitants)
79 Km NW of Teramo (54892 inhabitants)
83 Km S of Pesaro (94582 inhabitants)
96 Km NW of L'Aquila (69753 inhabitants)
99 Km E of Arezzo (99543 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 0.9 2021-11-30
18:46:27		 43.1748 13.0442 11 2021-11-30
18:51:06		 Sala Sismica INGV-Roma 97984511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-30 18:46:27 ± 0.14
Latitude 43.1748 ± 0.0081
Longitude 13.0442 ± 0.0111
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97984511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1059
Semi-minor axis of confidence ellipse (meter) 564
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 225
Circular confidence region, given by single value of horizontal uncertainty (meter) 1060.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28329
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 97984511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-30 18:51:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CPGN.EHZ. 2021-11-30T18:46:45.19 3.0 undecidable manual P 1.69 0
IV.MC2.EHZ. 2021-11-30T18:46:38.66 0.3 undecidable manual S 158 31.4463 50 0.31 71
IV.FOSV.EHZ. 2021-11-30T18:46:37.04 0.3 undecidable manual S 300 26.4513 50 0.04 76
IV.CESI.HHZ. 2021-11-30T18:46:35.50 0.6 undecidable manual S 211 21.9669 116 -0.3 48
IV.GUMA.HHZ. 2021-11-30T18:46:33.11 0.1 undecidable manual P 118 26.6511 50 0.16 99
IV.FDMO.HHZ. 2021-11-30T18:46:33.59 0.6 undecidable manual S 167 15.7731 124 -0.32 49
IV.MC2.EHZ. 2021-11-30T18:46:33.44 0.1 undecidable manual P 158 31.4463 50 -0.26 96
IV.MML1.EHZ. 2021-11-30T18:46:32.51 0.3 undecidable manual S 221 8.9799 139 0.37 73
IV.CESI.HHZ. 2021-11-30T18:46:32.04 0.1 positive manual P 211 21.9669 116 -0.19 99
IV.FOSV.EHZ. 2021-11-30T18:46:32.83 0.1 undecidable manual P 300 26.4513 50 -0.1 100
IV.EL6.EHZ. 2021-11-30T18:46:31.21 1.0 undecidable manual P 15 17.7711 121 -0.27 24
IV.FDMO.HHZ. 2021-11-30T18:46:31.06 0.6 undecidable manual P 167 15.7731 124 -0.08 51
IV.MML1.EHZ. 2021-11-30T18:46:30.37 0.1 positive manual P 221 8.9799 139 0.25 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MML1.EHE. ML:0.6 0.00005005 0.16 AML other m 2021-11-30T18:46:32.69
IV.MML1.EHN. ML:0.7 0.00006345000000000001 0.68 AML other m 2021-11-30T18:46:33.61
IV.FDMO.HHN. ML:1.0 0.00009145 1.84 AML other m 2021-11-30T18:46:33.05
IV.FDMO.HHE. ML:1.0 0.0000956 1.52 AML other m 2021-11-30T18:46:34.87
IV.MC2.EHE. ML:1.0 0.000046649999999999996 0.5 AML other m 2021-11-30T18:46:38.69
IV.MC2.EHN. ML:1.1 0.000058 1.54 AML other m 2021-11-30T18:46:39.20
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