Earthquake with magnitude of ML 1.2 on date 29-12-2021 and time 13:55:21 (UTC) in region 2 km SW Gualdo Tadino (PG)

A magnitude ML 1.2 earthquake occured in region: 2 km SW Gualdo Tadino (PG), on

  • 29-12-2021 13:55:21 (UTC)
  • 29-12-2021 14:55:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2220, 12.7690 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Gualdo Tadino PG 2 15208 15208
Fossato di Vico PG 8 2840 18048
Nocera Umbra PG 12 5839 23887
Sigillo PG 13 2404 26291
Fiuminata MC 14 1402 27693
Esanatoglia MC 15 2034 29727
Valfabbrica PG 15 3389 33116
Costacciaro PG 16 1216 34332
Sefro MC 17 422 34754
Fabriano AN 17 31480 66234
Valtopina PG 18 1398 67632
Pioraco MC 18 1134 68766

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km N of Foligno (57155 inhabitants)
33 Km E of Perugia (166134 inhabitants)
72 Km S of Fano (60888 inhabitants)
74 Km N of Terni (111501 inhabitants)
75 Km SW of Ancona (100861 inhabitants)
77 Km E of Arezzo (99543 inhabitants)
78 Km S of Pesaro (94582 inhabitants)
95 Km S of Rimini (147750 inhabitants)
99 Km NW of Teramo (54892 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
13:55:21
43.2217 12.7692 10 2021-12-29
14:00:48
Sala Sismica INGV-Roma 99110601
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-12-29 13:55:21 ± 0.04
Latitude 43.2217 ± 0.0027
Longitude 12.7692 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 99110601

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 263
Semi-minor axis of confidence ellipse (meter) 178
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 216
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 94
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.11
Epicentral distance of station closest to the epicenter (degree) 0.07374
Epicentral distance of station farthest from the epicenter (degree) 0.35703
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 99110601
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-12-29 14:00:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PIEI.HHZ. 2021-12-29T13:55:34.93 0.6 undecidable manual S 332 39.627 50 0.09 48
IV.EL6.EHZ. 2021-12-29T13:55:32.40 0.6 undecidable manual S 66 29.3484 50 0.29 47
IV.FRON.EHZ. 2021-12-29T13:55:32.84 0.6 undecidable manual S 354 33.0447 50 -0.24 47
IV.CESI.HHZ. 2021-12-29T13:55:31.13 0.6 undecidable manual S 155 26.4513 50 -0.19 48
IV.ATFO.HHZ. 2021-12-29T13:55:30.09 0.6 undecidable manual S 315 22.6551 114 -0.17 48
IV.MML1.EHZ. 2021-12-29T13:55:29.38 0.6 undecidable manual S 126 20.2686 117 -0.15 49
IV.PIEI.HHZ. 2021-12-29T13:55:29.31 0.6 undecidable manual P 332 39.627 50 0.05 48
IV.MURB.HHZ. 2021-12-29T13:55:29.58 0.6 undecidable manual S 283 20.2686 117 0.06 50
IV.FRON.EHZ. 2021-12-29T13:55:28.03 0.6 positive manual P 354 33.0447 50 -0.21 47
IV.ARVD.HHZ. 2021-12-29T13:55:28.38 0.3 undecidable manual P 24 33.6441 50 0.04 73
IV.EL6.EHZ. 2021-12-29T13:55:27.60 1.0 undecidable manual P 66 29.3484 50 -0.08 24
IV.SNTG.HHZ. 2021-12-29T13:55:27.75 0.6 undecidable manual S 75 14.3745 126 0 51
IV.CESI.HHZ. 2021-12-29T13:55:27.21 0.6 negative manual P 155 26.4513 50 -0.01 50
IV.SSFR.HHZ. 2021-12-29T13:55:26.84 0.6 positive manual P 3 23.8539 50 0.02 50
IV.MML1.EHZ. 2021-12-29T13:55:26.21 0.6 undecidable manual P 126 20.2686 117 0.02 50
IV.ATCC.EHZ. 2021-12-29T13:55:26.78 0.6 undecidable manual S 249 11.1777 133 -0.12 50
IV.MURB.HHZ. 2021-12-29T13:55:26.28 0.1 negative manual P 283 20.2686 117 0.1 98
IV.ATFO.HHZ. 2021-12-29T13:55:26.61 0.6 negative manual P 315 22.6551 114 0 50
IV.SNTG.HHZ. 2021-12-29T13:55:25.35 1.0 undecidable manual P 75 14.3745 126 0.19 24
IV.FOSV.EHZ. 2021-12-29T13:55:25.94 0.6 undecidable manual S 355 8.1807 142 -0.24 49
IV.FOSV.EHZ. 2021-12-29T13:55:24.38 0.1 undecidable manual P 355 8.1807 142 0.12 100
IV.ATCC.EHZ. 2021-12-29T13:55:24.81 0.1 positive manual P 249 11.1777 133 0.13 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FOSV.EHN. ML:1.1 0.00019 0.14 AML other m 2021-12-29T13:55:26.25
IV.FOSV.EHE. ML:1.0 0.0001469947 0.1984 AML other m 2021-12-29T13:55:26.13
IV.ATCC.EHN. ML:1.6 0.00041279665 0.1216 AML other m 2021-12-29T13:55:26.95
IV.ATCC.EHE. ML:1.4 0.00028273015 0.1216 AML other m 2021-12-29T13:55:26.95
IV.SNTG.HHN. ML:1.4 0.00023999999999999998 0.2 AML other m 2021-12-29T13:55:28.18
IV.SNTG.HHE. ML:1.2 0.0001549931 0.3392 AML other m 2021-12-29T13:55:28.35
IV.MML1.EHE. ML:0.6 0.000031250815000000003 0.2176 AML other m 2021-12-29T13:55:31.95
IV.MML1.EHN. ML:0.6 0.000030666655 0.2624 AML other m 2021-12-29T13:55:31.05
IV.MURB.HHE. ML:1.4 0.00016308995 0.256 AML other m 2021-12-29T13:55:31.14
IV.ATFO.HHE. ML:1.0 0.00007245 0.1 AML other m 2021-12-29T13:55:30.73
IV.ATFO.HHN. ML:0.8 0.000045350000000000005 1.22 AML other m 2021-12-29T13:55:30.69
IV.SSFR.HHN. ML:1.4 0.00014450000000000002 0.14 AML other m 2021-12-29T13:55:30.89
IV.MURB.HHN. ML:1.3 0.0001315 1.76 AML other m 2021-12-29T13:55:30.11
IV.SSFR.HHE. ML:1.2 0.000111340535 0.1792 AML other m 2021-12-29T13:55:30.91
IV.FRON.EHE. ML:0.9 0.000033084705 0.0576 AML other m 2021-12-29T13:55:33.72
IV.FRON.EHN. ML:0.8 0.000032124835 0.16 AML other m 2021-12-29T13:55:34.83
IV.FOSV.HNE. ML:1.0 0.000150067335 0.2176 AML other m 2021-12-29T13:55:26.12
IV.FOSV.HNN. ML:1.1 0.00016686905 0.1152 AML other m 2021-12-29T13:55:26.19
IV.ATCC.HNE. ML:1.1 0.000142944465 0.128 AML other m 2021-12-29T13:55:26.94
IV.ATCC.HNN. ML:1.6 0.0004931617 0.128 AML other m 2021-12-29T13:55:26.94
IV.SNTG.HNE. ML:1.2 0.00016404532499999998 0.192 AML other m 2021-12-29T13:55:28.39
IV.SNTG.HNN. ML:1.4 0.00027029125 0.1984 AML other m 2021-12-29T13:55:28.19
IV.MML1.HNE. ML:1.1 0.000096808165 0.6912 AML other m 2021-12-29T13:55:26.38
IV.MML1.HNN. ML:1.2 0.0001079679 0.8512 AML other m 2021-12-29T13:55:29.56
IV.MURB.HNE. ML:1.4 0.0001792843 0.2688 AML other m 2021-12-29T13:55:29.97
IV.MURB.HNN. ML:1.3 0.00012797429 0.2176 AML other m 2021-12-29T13:55:30.05
IV.ATFO.HNE. ML:1.1 0.00007332825365 0.1024 AML other m 2021-12-29T13:55:30.68
IV.ATFO.HNN. ML:1.1 0.000088528642 0.5632 AML other m 2021-12-29T13:55:37.67
IV.SSFR.HNE. ML:1.3 0.000120961965 0.192 AML other m 2021-12-29T13:55:31.82
IV.SSFR.HNN. ML:1.6 0.00024199505 0.2944 AML other m 2021-12-29T13:55:31.79
IV.CESI.HHE. ML:0.8 0.00003313204 0.1984 AML other m 2021-12-29T13:55:32.74
IV.CESI.HHN. ML:0.6 0.000021106505000000002 0.1024 AML other m 2021-12-29T13:55:31.72
IV.CESI.HNE. ML:1.3 0.00010208572 0.48 AML other m 2021-12-29T13:55:41.61
IV.CESI.HNN. ML:1.3 0.00010740915000000001 0.6784 AML other m 2021-12-29T13:55:41.87
IV.EL6.EHE. ML:1.3 0.000089589855 0.2624 AML other m 2021-12-29T13:55:32.68
IV.EL6.EHN. ML:1.4 0.00010753508 0.3392 AML other m 2021-12-29T13:55:34.15
IV.ARVD.HHE. ML:0.7 0.000017869276 0.256 AML other m 2021-12-29T13:55:46.02
IV.ARVD.HHN. ML:0.6 0.0000155593785 0.1216 AML other m 2021-12-29T13:55:33.85
IV.PIEI.HHE. ML:1.1 0.000041818129999999994 0.16 AML other m 2021-12-29T13:55:36.67
IV.PIEI.HHN. ML:0.9 0.000025537525 0.1408 AML other m 2021-12-29T13:55:35.64
IV.PIEI.HNE. ML:1.5 0.00010821095 0.3264 AML other m 2021-12-29T13:55:37.00
IV.PIEI.HNN. ML:1.5 0.00011293165 0.5376 AML other m 2021-12-29T13:55:46.35
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