Earthquake with magnitude of ML 0.8 on date 29-12-2021 and time 21:56:32 (UTC) in region 1 km N Serravalle di Chienti (MC)

A magnitude ML 0.8 earthquake occured in region: 1 km N Serravalle di Chienti (MC), on

  • 29-12-2021 21:56:32 (UTC)
  • 29-12-2021 22:56:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0830, 12.9500 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serravalle di Chienti MC 1 1070 1070
Sefro MC 7 422 1492
Muccia MC 8 915 2407
Pieve Torina MC 9 1458 3865
Monte Cavallo MC 11 145 4010
Pioraco MC 11 1134 5144
Pievebovigliana MC 11 866 6010
Camerino MC 11 6974 12984
Fiuminata MC 12 1402 14386
Fiordimonte MC 12 202 14588
Nocera Umbra PG 13 5839 20427
Valtopina PG 16 1398 21825
Castelraimondo MC 17 4587 26412
Fiastra MC 18 559 26971
Esanatoglia MC 19 2034 29005
Acquacanina MC 19 121 29126
Gagliole MC 20 620 29746
Matelica MC 20 9981 39727

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
63 Km NE of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
77 Km NW of Teramo (54892 inhabitants)
85 Km S of Fano (60888 inhabitants)
89 Km NW of L'Aquila (69753 inhabitants)
92 Km S of Pesaro (94582 inhabitants)
96 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 0.8 2021-12-29
21:56:32
43.0828 12.9503 11 2021-12-29
22:10:11
Sala Sismica INGV-Roma 99128511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-29 21:56:32 ± 0.04
Latitude 43.0828 ± 0.0009
Longitude 12.9503 ± 0.0012
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 99128511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 121
Semi-minor axis of confidence ellipse (meter) 74
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 156
Circular confidence region, given by single value of horizontal uncertainty (meter) 120.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 184
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.02
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.18616
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.5
Num. used stations 18
Type of magnitude ML
Reference to an origin 99128511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-29 22:10:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2021-12-29T21:58:15.10 3.0 undecidable manual Sn 1.56 0
CR.ZAG.BHZ. 2021-12-29T21:58:14.26 3.0 undecidable manual Sg 12.5 0
IV.MCRV.HHZ. 2021-12-29T21:58:01.83 3.0 undecidable manual Sn 2.05 0
IV.MBAL.EHZ. 2021-12-29T21:57:05.53 3.0 negative manual Pg 2.72 0
IV.PP3.EHZ. 2021-12-29T21:56:57.65 3.0 undecidable manual S -0.39 0
IV.CSP1.EHZ. 2021-12-29T21:56:40.73 0.6 undecidable manual S 87 20.6682 117 0.03 65
IV.IMOL.HNZ. 2021-12-29T21:56:39.11 3.0 negative manual P -2.6 0
IV.FDMO.HHZ. 2021-12-29T21:56:38.24 0.6 undecidable manual S 115 12.1767 131 -0.01 66
IV.CSP1.EHZ. 2021-12-29T21:56:37.24 1.0 positive manual P 87 20.6682 117 -0.05 32
IV.CESI.HHZ. 2021-12-29T21:56:37.58 0.6 undecidable manual S 203 9.3795 138 0.02 67
IV.MML1.EHZ. 2021-12-29T21:56:36.53 0.6 undecidable manual S 27 3.7962 160 -0.02 67
IV.CESI.HHZ. 2021-12-29T21:56:35.48 0.3 undecidable manual P 203 9.3795 138 -0.01 100
IV.FDMO.HHZ. 2021-12-29T21:56:35.89 1.0 undecidable manual P 115 12.1767 131 0 33
IV.MML1.EHZ. 2021-12-29T21:56:34.93 0.6 negative manual P 27 3.7962 160 0.03 67
IV.SSFR.HHZ. 2021-12-29T21:56:28.73 3.0 positive manual P -1.4 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SSFR.HHE. ML:0.7 0.000015725704999999998 3.2896 AML other m 2021-12-29T21:56:39.00
IV.SSFR.HHN. ML:0.7 0.000017153655000000002 3.2 AML other m 2021-12-29T21:56:39.73
IV.SSFR.HNE. ML:1.7 0.0001636339 2.4832 AML other m 2021-12-29T21:56:31.67
IV.SSFR.HNN. ML:1.8 0.00019139 1.1136 AML other m 2021-12-29T21:56:35.85
IV.MML1.EHE. ML:0.1 0.000021988769999999996 1.2416 AML other m 2021-12-29T21:56:37.82
IV.MML1.EHN. ML:0.3 0.000028782305 4.7104 AML other m 2021-12-29T21:56:37.64
IV.MML1.HNE. ML:0.9 0.00011891295 1.088 AML other m 2021-12-29T21:56:39.60
IV.MML1.HNN. ML:0.9 0.00013515175 0.7296 AML other m 2021-12-29T21:56:40.18
IV.CESI.HHE. ML:0.3 0.000024656910000000002 5.4016 AML other m 2021-12-29T21:56:41.27
IV.CESI.HHN. ML:0.2 0.000018394475 2.3936 AML other m 2021-12-29T21:56:36.47
IV.CESI.HNE. ML:1.0 0.00013436049 1.6256 AML other m 2021-12-29T21:56:38.89
IV.CESI.HNN. ML:1.2 0.00018476957500000003 3.1488 AML other m 2021-12-29T21:56:36.13
IV.FDMO.HHE. ML:0.6 0.000037642525000000006 3.8016 AML other m 2021-12-29T21:56:36.73
IV.FDMO.HHN. ML:0.4 0.000027764805 3.4432 AML other m 2021-12-29T21:56:39.94
IV.CSP1.EHE. ML:1.0 0.00008053735500000001 4.3776 AML other m 2021-12-29T21:56:41.42
IV.CSP1.EHN. ML:0.9 0.000052930035 3.9808 AML other m 2021-12-29T21:56:47.36
IV.IMOL.EHE. ML:3.0 0.0004169086655 36.5824 AML other m 2021-12-29T21:56:56.15
IV.IMOL.EHN. ML:2.9 0.00032573701 31.552 AML other m 2021-12-29T21:57:00.38
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