Earthquake with magnitude of ML 1.0 on date 01-02-2022 and time 21:34:20 (Italy) in region 7 km NE Valfabbrica (PG)

A magnitude ML 1.0 earthquake occured in region: 7 km NE Valfabbrica (PG), on

  • 01-02-2022 20:34:20 (UTC)
  • 01-02-2022 21:34:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.2080, 12.6660 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
Valfabbrica PG 7 3389 3389
Gualdo Tadino PG 10 15208 18597
Fossato di Vico PG 13 2840 21437
Nocera Umbra PG 15 5839 27276
Sigillo PG 15 2404 29680
Assisi PG 16 28299 57979
Costacciaro PG 17 1216 59195
Gubbio PG 18 32216 91411
Valtopina PG 18 1398 92809
Bastia Umbra PG 18 21874 114683

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km E of Perugia (166134 inhabitants)
28 Km N of Foligno (57155 inhabitants)
70 Km E of Arezzo (99543 inhabitants)
72 Km N of Terni (111501 inhabitants)
76 Km SW of Fano (60888 inhabitants)
81 Km S of Pesaro (94582 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
95 Km S of Rimini (147750 inhabitants)
99 Km NE of Viterbo (67173 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 1.0 2022-02-01
20:34:20
43.2077 12.6663 10 2022-02-01
20:49:25
Sala Sismica INGV-Roma 100504531
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-01 20:34:20 ± 0.07
Latitude 43.2077 ± 0.0045
Longitude 12.6663 ± 0.0062
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100504531

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 514
Semi-minor axis of confidence ellipse (meter) 438
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 218
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.02968
Epicentral distance of station farthest from the epicenter (degree) 0.24372
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 100504531
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-01 20:49:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TB01.DHZ.01 2022-02-01T20:34:30.56 0.6 undecidable manual S 316 26.8509 50 0.11 50
IV.SSFR.HHZ. 2022-02-01T20:34:30.37 0.6 undecidable manual S 20 27.0507 50 -0.14 50
IV.MML1.HNZ. 2022-02-01T20:34:30.50 0.6 undecidable manual S 113 26.8509 50 0.05 51
IV.SNTG.HNZ. 2022-02-01T20:34:29.20 0.6 undecidable manual S 77 22.755 113 0.05 51
IV.ASSB.HHZ. 2022-02-01T20:34:27.83 0.6 undecidable manual S 182 18.2706 118 0.06 52
IV.MURB.HHZ. 2022-02-01T20:34:26.63 0.6 undecidable manual S 298 12.9759 127 0.43 48
IV.MML1.HNZ. 2022-02-01T20:34:26.42 0.1 undecidable manual P 113 26.8509 50 0.15 100
IV.SSFR.HHZ. 2022-02-01T20:34:26.20 0.6 positive manual P 20 27.0507 50 -0.1 50
IV.SNTG.HNZ. 2022-02-01T20:34:25.52 0.3 undecidable manual P 77 22.755 113 0 78
IV.TB01.DHZ.01 2022-02-01T20:34:25.62 0.6 undecidable manual P 316 26.8509 50 -0.65 44
IV.ATSC.EHZ. 2022-02-01T20:34:25.77 0.3 undecidable manual P 4 24.0537 112 0.01 77
IV.MURB.HHZ. 2022-02-01T20:34:24.05 0.3 positive manual P 298 12.9759 127 0.23 76
IV.ASSB.HHZ. 2022-02-01T20:34:24.79 0.3 negative manual P 182 18.2706 118 0.07 77
IV.ATCC.EHZ. 2022-02-01T20:34:23.71 0.3 undecidable manual S 221 3.2967 161 -0.43 74
IV.FOSV.EHZ. 2022-02-01T20:34:23.81 0.6 positive manual P 38 12.3765 128 0.1 52
IV.ATCC.EHZ. 2022-02-01T20:34:22.47 1.0 undecidable manual P 221 3.2967 161 -0.16 26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ATCC.HNN. ML:1.2 0.00028119289999999997 0.064 AML other m 2022-02-01T20:34:23.90
IV.ATCC.HNE. ML:1.4 0.00045207754999999997 0.1152 AML other m 2022-02-01T20:34:23.96
IV.ATCC.EHN. ML:1.3 0.00033796470000000003 0.1152 AML other m 2022-02-01T20:34:23.97
IV.ATCC.EHE. ML:1.3 0.0003941628 0.1024 AML other m 2022-02-01T20:34:23.96
IV.FOSV.EHE. ML:0.2 0.000020617563499999997 44.4032 AML other m 2022-02-01T20:34:23.80
IV.FOSV.EHN. ML:0.2 0.000021835750000000002 0.448 AML other m 2022-02-01T20:34:30.02
IV.FOSV.HNE. ML:0.7 0.000062359265 0.4736 AML other m 2022-02-01T20:34:28.99
IV.FOSV.HNN. ML:1.0 0.000112178245 0.6912 AML other m 2022-02-01T20:34:32.38
IV.MURB.HHE. ML:1.0 0.000116123 0.1536 AML other m 2022-02-01T20:34:27.03
IV.MURB.HHN. ML:0.9 0.00009169795 0.1792 AML other m 2022-02-01T20:34:28.34
IV.MURB.HNE. ML:1.1 0.00012571195499999998 0.1792 AML other m 2022-02-01T20:34:26.85
IV.MURB.HNN. ML:1.0 0.000097389575 0.2176 AML other m 2022-02-01T20:34:28.45
IV.ASSB.HHE. ML:0.8 0.00005614198 0.0768 AML other m 2022-02-01T20:34:28.19
IV.ASSB.HHN. ML:0.8 0.000049893495 0.0896 AML other m 2022-02-01T20:34:27.92
IV.SSFR.HHE. ML:1.0 0.000049793641 0.1792 AML other m 2022-02-01T20:34:30.51
IV.SSFR.HHN. ML:0.7 0.000027016607500000002 0.1152 AML other m 2022-02-01T20:34:30.81
IV.SSFR.HNE. ML:1.3 0.00011759732500000001 0.7424 AML other m 2022-02-01T20:34:38.50
IV.SSFR.HNN. ML:1.6 0.0001975115 0.768 AML other m 2022-02-01T20:34:39.37
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