Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 29-12-2020 and time 23:52:24 (Italy) in region 4 km S Cantiano (PU)

A magnitude ML 1.7 earthquake occured in region: 4 km S Cantiano (PU), on

  • 29-12-2020 22:52:24 (UTC)
  • 29-12-2020 23:52:24 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.4420, 12.6380 at 12 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.

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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
Cantiano PU 4 2245 2245
Scheggia e Pascelupo PG 5 1393 3638
Gubbio PG 11 32216 35854
Costacciaro PG 11 1216 37070
Frontone PU 12 1300 38370
Cagli PU 12 8731 47101
Serra Sant'Abbondio PU 12 1027 48128
Sigillo PG 15 2404 50532
Pietralunga PG 16 2111 52643
Sassoferrato AN 18 7285 59928
Fossato di Vico PG 19 2840 62768
Piobbico PU 19 2029 64797
Acqualagna PU 20 4393 69190

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km NE of Perugia (166134 inhabitants)
54 Km N of Foligno (57155 inhabitants)
54 Km SW of Fano (60888 inhabitants)
57 Km SW of Pesaro (94582 inhabitants)
61 Km E of Arezzo (99543 inhabitants)
69 Km S of Rimini (147750 inhabitants)
74 Km W of Ancona (100861 inhabitants)
84 Km SE of Cesena (96758 inhabitants)
98 Km N of Terni (111501 inhabitants)
99 Km SE of Forlì (117913 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 1.7 2020-12-29
22:52:24		 43.4418 12.6383 12 2021-02-26
14:56:14		 Bollettino Sismico Italiano INGV 86073021
Reviewed
Rev100 		ML 1.7 2020-12-29
22:52:24		 43.4355 12.6387 10 2020-12-29
22:59:21		 Sala Sismica INGV-Roma 85859721
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-12-29 22:52:24 ± 0.04
Latitude 43.4418 ± 0.0018
Longitude 12.6383 ± 0.0025
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86073021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 229
Semi-minor axis of confidence ellipse (meter) 53
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 199
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 41
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.73834
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 24
Type of magnitude ML
Reference to an origin 86073021
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-07 12:20:09

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 48
Type of magnitude ML
Reference to an origin 85859721
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-12-29 22:59:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ASSB.HHZ. 2020-12-29T22:52:39.21 0.3 undecidable manual S 178 44.3223 91 0.25 67
IV.MMO1.EHZ. 2020-12-29T22:52:38.62 0.6 undecidable manual P 137 81.9513 91 -0.11 43
IV.EL6.EHZ. 2020-12-29T22:52:38.02 0.6 undecidable manual S 108 39.3273 92 0.38 44
IV.MC2.EHZ. 2020-12-29T22:52:38.00 0.3 undecidable manual P 143 73.7706 91 0.54 60
IV.GUMA.HHZ. 2020-12-29T22:52:37.11 0.6 undecidable manual P 127 70.2741 91 0.19 43
IV.MGAB.HHZ. 2020-12-29T22:52:37.75 0.3 undecidable manual P 216 72.4719 91 0.48 61
IV.PE3.EHZ. 2020-12-29T22:52:36.45 3.0 undecidable manual S 0.76 0
IV.CSP1.EHZ. 2020-12-29T22:52:35.38 0.3 undecidable manual P 130 59.9955 91 0.04 68
IV.BADI.EHZ. 2020-12-29T22:52:35.91 0.3 undecidable manual S 283 32.6451 92 0.07 72
IV.FDMO.HHZ. 2020-12-29T22:52:34.82 0.6 undecidable manual P 141 57.7977 91 -0.17 45
IV.MMUR.HNZ. 2020-12-29T22:52:34.96 0.3 undecidable manual S 90 28.9488 93 0.11 71
IV.CESI.HHZ. 2020-12-29T22:52:34.18 0.6 undecidable manual P 156 53.0025 91 -0.09 46
IV.CAFI.HHZ. 2020-12-29T22:52:34.86 0.3 undecidable manual P 257 55.5999 91 0.2 67
IV.SSP9.EHZ. 2020-12-29T22:52:33.08 0.6 undecidable manual P 290 43.3233 91 0.31 45
IV.MPAG.EHZ. 2020-12-29T22:52:33.26 0.3 undecidable manual S 25 22.9548 94 0 74
IV.CING.HNZ. 2020-12-29T22:52:33.15 0.6 undecidable manual P 99 45.5211 91 0.05 47
IV.MML1.HNZ. 2020-12-29T22:52:32.83 0.6 undecidable manual P 143 45.3213 91 -0.24 45
IV.FOSV.EHZ. 2020-12-29T22:52:32.05 0.3 undecidable manual S 149 19.0698 97 -0.19 72
IV.EL6.EHZ. 2020-12-29T22:52:32.14 0.3 undecidable manual P 108 39.3273 92 -0.02 72
IV.ATVO.HHZ. 2020-12-29T22:52:32.30 0.3 undecidable manual S 251 19.869 96 -0.13 72
IV.ASSB.HHZ. 2020-12-29T22:52:32.66 0.1 undecidable manual P 178 44.3223 91 -0.27 90
IV.CRTC.HNZ. 2020-12-29T22:52:32.69 0.6 undecidable manual P 28 41.2254 92 0.24 45
IV.MURB.HHZ. 2020-12-29T22:52:32.91 0.3 undecidable manual S 205 21.867 95 -0.07 73
IV.PARC.HHZ. 2020-12-29T22:52:32.18 0.6 undecidable manual P 306 39.5271 92 0 48
IV.BADI.EHZ. 2020-12-29T22:52:31.00 0.1 positive manual P 283 32.6451 92 -0.12 94
IV.ATPC.HHZ. 2020-12-29T22:52:31.44 0.3 undecidable manual S 287 15.2736 105 0.21 72
IV.PE3.EHZ. 2020-12-29T22:52:31.28 3.0 undecidable manual P 0.22 0
IV.ATVA.EHZ. 2020-12-29T22:52:31.32 0.6 undecidable manual P 238 33.744 92 0.03 48
IV.ATMC.EHZ. 2020-12-29T22:52:31.76 1.0 undecidable manual P 271 35.9418 92 0.13 23
IV.FRON.EHZ. 2020-12-29T22:52:30.15 0.3 undecidable manual S 40 10.9779 121 -0.03 75
IV.SSFR.HNZ. 2020-12-29T22:52:30.19 0.3 undecidable manual S 93 11.5773 118 -0.14 73
IV.MMUR.HNZ. 2020-12-29T22:52:30.30 0.6 undecidable manual P 90 28.9488 93 -0.25 46
IV.PIEI.HHZ. 2020-12-29T22:52:30.60 0.3 undecidable manual S 321 13.3755 111 -0.14 73
IV.ATSC.EHZ. 2020-12-29T22:52:29.15 0.3 undecidable manual S 117 4.3956 154 0.17 74
IV.MURB.HHZ. 2020-12-29T22:52:29.42 0.1 positive manual P 205 21.867 95 -0.04 98
IV.MPAG.EHZ. 2020-12-29T22:52:29.52 0.1 positive manual P 25 22.9548 94 -0.11 96
IV.ATVO.HHZ. 2020-12-29T22:52:28.99 0.1 positive manual P 251 19.869 96 -0.16 96
IV.PIEI.HHZ. 2020-12-29T22:52:28.08 0.1 negative manual P 321 13.3755 111 -0.1 98
IV.ATPC.HHZ. 2020-12-29T22:52:28.46 0.1 positive manual P 287 15.2736 105 0.01 100
IV.FOSV.EHZ. 2020-12-29T22:52:28.84 0.1 negative manual P 149 19.0698 97 -0.19 95
IV.SSFR.HNZ. 2020-12-29T22:52:27.89 0.1 negative manual P 93 11.5773 118 -0.04 100
IV.ATSC.EHZ. 2020-12-29T22:52:27.25 0.1 undecidable manual P 117 4.3956 154 0.09 100
IV.FRON.EHZ. 2020-12-29T22:52:27.80 0.1 negative manual P 40 10.9779 121 -0.05 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FRON.EHE. ML:1.7 0.0005854173000000001 0.0768 AML other m 2020-12-29T22:52:30.21
IV.FRON.EHN. ML:2.0 0.0012065415000000002 0.1536 AML other m 2020-12-29T22:52:30.23
IV.PIEI.HHE. ML:1.8 0.00056847045 0.0896 AML other m 2020-12-29T22:52:30.94
IV.PIEI.HHN. ML:1.6 0.00041839735 0.1152 AML other m 2020-12-29T22:52:31.17
IV.FOSV.EHN. ML:1.6 0.00025776805000000003 0.256 AML other m 2020-12-29T22:52:32.12
IV.FOSV.EHE. ML:1.5 0.0002535082 0.192 AML other m 2020-12-29T22:52:32.30
IV.COR1.EHE. ML:1.8 0.00024555100000000005 0.0608 AML other m 2020-12-29T22:52:32.54
IV.SSP9.EHE. ML:1.2 0.000055710204499999996 0.0608 AML other m 2020-12-29T22:52:33.18
IV.MPAG.HNE. ML:1.8 0.00039896785000000004 0.1792 AML other m 2020-12-29T22:52:33.34
IV.MPAG.EHE. ML:1.8 0.00039394625 0.1792 AML other m 2020-12-29T22:52:33.35
IV.CSP1.EHE. ML:1.7 0.00011088680000000001 0.7072 AML other m 2020-12-29T22:52:34.30
IV.BADI.EHN. ML:1.5 0.0001231213 0.4224 AML other m 2020-12-29T22:52:36.09
IV.MPAG.EHN. ML:1.4 0.00015531085 0.2176 AML other m 2020-12-29T22:52:36.14
IV.BADI.EHE. ML:1.5 0.00014067625 0.2432 AML other m 2020-12-29T22:52:36.54
IV.SSP9.EHN. ML:1.6 0.00011855445000000001 0.1888 AML other m 2020-12-29T22:52:37.49
IV.EL6.EHE. ML:1.8 0.00021293055 0.1536 AML other m 2020-12-29T22:52:38.56
IV.PE3.EHN. ML:1.9 0.0003649595 0.256 AML other m 2020-12-29T22:52:38.85
IV.EL6.EHN. ML:1.8 0.0002152539 1.7056 AML other m 2020-12-29T22:52:39.04
IV.ASSB.HHE. ML:1.7 0.0001592682 0.1664 AML other m 2020-12-29T22:52:39.71
IV.ASSB.HHN. ML:1.8 0.0002099001 0.2048 AML other m 2020-12-29T22:52:39.90
IV.PE3.EHE. ML:1.7 0.0002361746 1.6032 AML other m 2020-12-29T22:52:40.03
IV.MPAG.HNN. ML:1.4 0.00016217945 0.4864 AML other m 2020-12-29T22:52:42.55
IV.CESI.HNN. ML:1.7 0.00011620751 0.4992 AML other m 2020-12-29T22:52:42.59
IV.COR1.EHN. ML:1.8 0.0002129636 0.32 AML other m 2020-12-29T22:52:43.01
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