Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.7 on date 29-12-2021 and time 08:10:21 (UTC) in region 4 km S Sant'Angelo in Vado (PU)

A magnitude ML 0.7 earthquake occured in region: 4 km S Sant'Angelo in Vado (PU), on

  • 29-12-2021 08:10:21 (UTC)
  • 29-12-2021 09:10:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.6310, 12.4100 at 12 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
Sant'Angelo in Vado PU 4 4133 4133
Mercatello sul Metauro PU 6 1378 5511
Apecchio PU 8 1882 7393
Piobbico PU 9 2029 9422
Borgo Pace PU 10 606 10028
Belforte all'Isauro PU 10 769 10797
Peglio PU 10 696 11493
Urbania PU 10 7099 18592
Piandimeleto PU 10 2167 20759
Lunano PU 11 1527 22286
Sestino AR 13 1355 23641
Frontino PU 15 293 23934
Carpegna PU 18 1674 25608
Sassocorvaro PU 18 3504 29112
Macerata Feltria PU 19 1990 31102
Pietrarubbia PU 20 660 31762
Fermignano PU 20 8596 40358
Badia Tedalda AR 20 1087 41445

Municipalities with at least 50000 inhabitants

An earthquake occurred to
46 Km E of Arezzo (99543 inhabitants)
50 Km S of Rimini (147750 inhabitants)
51 Km SW of Pesaro (94582 inhabitants)
55 Km W of Fano (60888 inhabitants)
58 Km S of Cesena (96758 inhabitants)
58 Km N of Perugia (166134 inhabitants)
72 Km SE of Forlì (117913 inhabitants)
79 Km NW of Foligno (57155 inhabitants)
84 Km SE of Faenza (58541 inhabitants)
89 Km S of Ravenna (159116 inhabitants)
89 Km W of Ancona (100861 inhabitants)
94 Km E of Siena (53903 inhabitants)
94 Km E of Firenze (382808 inhabitants)
98 Km SE of Imola (69797 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 0.7 2021-12-29
08:10:21		 43.6313 12.4098 12 2021-12-29
08:18:38		 Sala Sismica INGV-Roma 99104581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-29 08:10:21 ± 0.14
Latitude 43.6313 ± 0.0090
Longitude 12.4098 ± 0.0062
Depth (km) 12 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99104581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 902
Semi-minor axis of confidence ellipse (meter) 421
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 353
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 172
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.28868
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 99104581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-29 08:18:38
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FRON.EHZ. 2021-12-29T08:10:31.21 0.6 undecidable manual S 116 28.3494 92 -0.03 48
IV.MPAG.EHZ. 2021-12-29T08:10:31.08 0.6 undecidable manual S 90 28.0497 92 -0.09 48
IV.ATMC.EHE. 2021-12-29T08:10:30.79 0.6 undecidable manual S 221 26.8509 92 -0.06 49
IV.ATPC.HHE. 2021-12-29T08:10:28.37 0.6 undecidable manual S 167 17.1717 96 0.12 49
IV.BADI.EHZ. 2021-12-29T08:10:28.75 0.6 undecidable manual S 225 18.9699 94 0.01 49
IV.ATSC.EHN. 2021-12-29T08:10:28.51 0.6 undecidable manual P 136 32.0457 91 0.94 37
IV.PARC.HHZ. 2021-12-29T08:10:27.13 0.6 undecidable manual S 278 13.875 105 -0.26 48
IV.PIEI.HHZ. 2021-12-29T08:10:27.20 0.6 undecidable manual S 137 14.5743 102 -0.39 46
IV.FRON.EHZ. 2021-12-29T08:10:27.02 0.3 undecidable manual P 116 28.3494 92 0.02 73
IV.APEC.HHN. 2021-12-29T08:10:26.13 0.6 undecidable manual S 174 8.0808 132 0.08 49
IV.MPAG.EHZ. 2021-12-29T08:10:26.99 0.3 undecidable manual P 90 28.0497 92 0.03 73
IV.ATMC.EHE. 2021-12-29T08:10:26.93 0.6 undecidable manual P 221 26.8509 92 0.15 47
IV.BADI.EHZ. 2021-12-29T08:10:25.61 0.1 undecidable manual P 225 18.9699 94 0.05 98
IV.ATPC.HHE. 2021-12-29T08:10:25.48 0.1 undecidable manual P 167 17.1717 96 0.2 96
IV.TB01.DHE.01 2021-12-29T08:10:25.99 0.3 undecidable manual P 176 27.75 92 -0.93 56
IV.APEC.HHN. 2021-12-29T08:10:24.23 0.1 undecidable manual P 174 8.0808 132 0.22 97
IV.PARC.HHZ. 2021-12-29T08:10:24.79 0.1 undecidable manual P 278 13.875 105 0.01 100
IV.PIEI.HHZ. 2021-12-29T08:10:24.78 0.1 undecidable manual P 137 14.5743 102 -0.11 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.PARC.HHN. ML:0.9 0.0000742 0.08 AML other m 2021-12-29T08:10:27.38
IV.PARC.HHE. ML:0.7 0.00005199724 0.1216 AML other m 2021-12-29T08:10:27.33
IV.PIEI.HHE. ML:0.6 0.000037581505 0.1408 AML other m 2021-12-29T08:10:28.30
IV.PIEI.HHN. ML:0.4 0.00002473472 0.1024 AML other m 2021-12-29T08:10:27.60
IV.PIEI.HNE. ML:0.6 0.000035194594999999996 0.1856 AML other m 2021-12-29T08:10:27.39
IV.PIEI.HNN. ML:0.6 0.0000379043165 0.2496 AML other m 2021-12-29T08:10:27.45
IV.MPAG.HNE. ML:1.5 0.000146073165 0.6784 AML other m 2021-12-29T08:10:38.01
IV.MPAG.HNN. ML:1.5 0.00015583439999999999 0.9792 AML other m 2021-12-29T08:10:28.60
IV.MPAG.EHE. ML:0.6 0.0000198131505 0.0832 AML other m 2021-12-29T08:10:31.82
IV.MPAG.EHN. ML:0.5 0.000016896945 0.1152 AML other m 2021-12-29T08:10:31.41
IV.FRON.EHE. ML:0.3 0.000008640588499999998 0.1216 AML other m 2021-12-29T08:10:32.14
IV.FRON.EHN. ML:0.6 0.0000195453705 0.16 AML other m 2021-12-29T08:10:31.91
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