Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 29-12-2021 and time 07:49:54 (UTC) in region 5 km NW Muccia (MC)

A magnitude ML 1.2 earthquake occured in region: 5 km NW Muccia (MC), on

  • 29-12-2021 07:49:54 (UTC)
  • 29-12-2021 08:49:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1170, 13.0080 at 11 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 5 915 915
Camerino MC 5 6974 7889
Sefro MC 6 422 8311
Serravalle di Chienti MC 7 1070 9381
Pioraco MC 7 1134 10515
Pievebovigliana MC 9 866 11381
Pieve Torina MC 9 1458 12839
Fiuminata MC 10 1402 14241
Fiordimonte MC 11 202 14443
Castelraimondo MC 11 4587 19030
Monte Cavallo MC 14 145 19175
Gagliole MC 15 620 19795
Fiastra MC 15 559 20354
Matelica MC 16 9981 30335
Esanatoglia MC 16 2034 32369
Serrapetrona MC 16 966 33335
Acquacanina MC 17 121 33456
Nocera Umbra PG 18 5839 39295
Caldarola MC 18 1823 41118
San Severino Marche MC 19 12726 53844
Belforte del Chienti MC 20 1886 55730

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NE of Foligno (57155 inhabitants)
50 Km E of Perugia (166134 inhabitants)
68 Km NE of Terni (111501 inhabitants)
69 Km SW of Ancona (100861 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
81 Km S of Fano (60888 inhabitants)
89 Km S of Pesaro (94582 inhabitants)
91 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 1.2 2021-12-29
07:49:54		 43.1167 13.0078 11 2021-12-29
07:57:58		 Sala Sismica INGV-Roma 99104241
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-29 07:49:54 ± 0.03
Latitude 43.1167 ± 0.0018
Longitude 13.0078 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99104241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 244
Semi-minor axis of confidence ellipse (meter) 224
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 99
Circular confidence region, given by single value of horizontal uncertainty (meter) 240.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 31
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38581
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 99104241
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-29 07:57:58
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
OT.OT17.EHZ. 2021-12-29T07:51:10.12 3.0 undecidable manual Sg 11.62 0
IV.MNTV.EHZ. 2021-12-29T07:51:07.99 3.0 undecidable manual Sg 11.88 0
IX.RSF3.HHZ.02 2021-12-29T07:51:04.10 3.0 undecidable manual Sn -5.4 0
MN.TRI.HHZ. 2021-12-29T07:50:58.19 3.0 undecidable manual Sn -0.27 0
IV.SRES.HHZ. 2021-12-29T07:50:27.07 3.0 undecidable manual S 1.17 0
IV.MAGO.CHZ. 2021-12-29T07:50:17.79 3.0 undecidable manual Pn 0.61 0
IV.ARVD.HHZ. 2021-12-29T07:50:08.99 0.6 undecidable manual S 353 42.624 50 0.4 44
IV.ATSC.EHZ. 2021-12-29T07:50:08.69 0.6 undecidable manual S 323 42.8238 50 0.05 47
IV.CING.HHZ. 2021-12-29T07:50:06.03 0.1 undecidable manual S 28 32.4453 50 0.16 94
IV.MMO1.EHZ. 2021-12-29T07:50:06.44 3.0 undecidable manual S 0
IV.ATCC.EHZ. 2021-12-29T07:50:05.61 0.3 undecidable manual S 284 30.747 50 0.2 70
IV.MMO1.EHZ. 2021-12-29T07:50:04.59 3.0 undecidable manual P 0
IV.MC2.EHZ. 2021-12-29T07:50:04.40 0.3 undecidable manual S 147 27.0507 50 -0.03 73
IV.GAVE.EHZ. 2021-12-29T07:50:03.17 3.0 undecidable manual P -0.24 0
IV.EL6.EHZ. 2021-12-29T07:50:03.96 0.1 undecidable manual S 18 24.753 50 0.14 96
IV.MF5.EHZ. 2021-12-29T07:50:02.03 1.0 positive manual P 111 39.3273 50 -0.17 23
IV.MURB.HHZ. 2021-12-29T07:50:02.65 3.0 undecidable manual S 0.12 0
IV.ARVD.HHZ. 2021-12-29T07:50:02.56 0.1 undecidable manual P 353 42.624 50 -0.16 93
IV.ATSC.EHZ. 2021-12-29T07:50:02.56 0.1 undecidable manual P 323 42.8238 50 -0.19 92
IV.CESI.HHZ. 2021-12-29T07:50:01.24 0.1 undecidable manual S 214 14.9739 126 0.14 97
IV.SNTG.HHZ. 2021-12-29T07:50:01.46 0.1 undecidable manual S 341 16.2726 124 -0.02 100
IV.CSP1.EHZ. 2021-12-29T07:50:01.61 0.3 undecidable manual S 100 16.1727 124 0.16 73
IV.CING.HHZ. 2021-12-29T07:50:01.01 0.1 undecidable manual P 28 32.4453 50 -0.14 95
IV.MC2.EHZ. 2021-12-29T07:50:00.15 1.0 negative manual P 147 27.0507 50 -0.17 24
IV.FDMO.HHZ. 2021-12-29T07:50:00.00 0.1 undecidable manual S 144 10.9779 135 -0.05 100
IV.ATCC.EHZ. 2021-12-29T07:50:00.73 0.1 undecidable manual P 284 30.747 50 -0.15 95
IV.EL6.EHZ. 2021-12-29T07:49:59.85 0.1 undecidable manual P 18 24.753 50 -0.11 96
IV.CSP1.EHZ. 2021-12-29T07:49:58.55 0.1 undecidable manual P 100 16.1727 124 -0.05 99
IV.CESI.HHZ. 2021-12-29T07:49:58.45 0.1 positive manual P 214 14.9739 126 0.05 99
IV.SNTG.HHZ. 2021-12-29T07:49:58.53 0.1 undecidable manual P 341 16.2726 124 -0.09 98
IV.FDMO.HHZ. 2021-12-29T07:49:57.85 0.1 undecidable manual P 144 10.9779 135 0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:1.2 0.0001595 0.48 AML other m 2021-12-29T07:50:00.36
IV.FDMO.HHN. ML:0.8 0.00007445000000000001 0.72 AML other m 2021-12-29T07:50:00.41
IV.CESI.HHN. ML:0.0 0.000188 0.1 AML other m 2021-12-29T07:50:01.27
IV.CESI.HHE. ML:0.0 0.000185 0.08 AML other m 2021-12-29T07:50:01.29
IV.SNTG.HNE. ML:1.4 0.000222 0.66 AML other m 2021-12-29T07:50:01.64
IV.SNTG.HHE. ML:1.3 0.000187 0.1 AML other m 2021-12-29T07:50:01.65
IV.SNTG.HHN. ML:1.4 0.0001975 0.14 AML other m 2021-12-29T07:50:01.59
IV.SNTG.HNN. ML:1.3 0.000174 1.22 AML other m 2021-12-29T07:50:01.66
IV.EL6.EHE. ML:1.2 0.0000884 1.22 AML other m 2021-12-29T07:50:04.89
IV.EL6.EHN. ML:1.1 0.00008149999999999999 0.6 AML other m 2021-12-29T07:50:04.61
IV.CSP1.EHE. ML:1.2 0.000150750415 0.1216 AML other m 2021-12-29T07:50:01.72
IV.CSP1.EHN. ML:1.5 0.0002654135 0.1216 AML other m 2021-12-29T07:50:01.72
IV.MC2.EHE. ML:1.3 0.00010014079999999999 0.1792 AML other m 2021-12-29T07:50:04.69
IV.MC2.EHN. ML:1.5 0.00015830875 0.16 AML other m 2021-12-29T07:50:05.84
IV.ATCC.EHE. ML:0.9 0.00004128379999999999 0.1216 AML other m 2021-12-29T07:50:05.84
IV.ATCC.EHN. ML:0.8 0.000029252909500000002 0.2368 AML other m 2021-12-29T07:50:05.73
IV.MMO1.EHE. ML:1.1 0.00005277522 0.16 AML other m 2021-12-29T07:50:06.91
IV.MMO1.EHN. ML:1.0 0.00003322601 0.096 AML other m 2021-12-29T07:50:06.84
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