Earthquake with magnitude of ML 1.1 on date 24-01-2022 and time 12:58:20 (Italy) in region 3 km NW Norcia (PG)

A magnitude ML 1.1 earthquake occured in region: 3 km NW Norcia (PG), on

  • 24-01-2022 11:58:20 (UTC)
  • 24-01-2022 12:58:20 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8190, 13.0800 at 9 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
Norcia PG 3 4957 4957
Preci PG 8 724 5681
Castelsantangelo sul Nera MC 10 281 5962
Cascia PG 12 3217 9179
Visso MC 13 1107 10286
Cerreto di Spoleto PG 13 1075 11361
Sellano PG 15 1079 12440
Ussita MC 15 444 12884
Poggiodomo PG 17 117 13001
Vallo di Nera PG 19 364 13365
Arquata del Tronto AP 19 1178 14543
Accumoli RI 20 667 15210

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
54 Km W of Teramo (54892 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
65 Km SE of Perugia (166134 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
98 Km N of Tivoli (56533 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 1.1 2022-01-24
11:58:20
42.8193 13.0798 9 2022-01-24
12:12:13
Sala Sismica INGV-Roma 100128791
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-01-24 11:58:20 ± 0.11
Latitude 42.8193 ± 0.0045
Longitude 13.0798 ± 0.0074
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 100128791

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 603
Semi-minor axis of confidence ellipse (meter) 396
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 122
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30487
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 100128791
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-01-24 12:12:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2022-01-24T11:58:31.87 3.0 undecidable manual S -0.01 0
IV.CSP1.EHZ. 2022-01-24T11:58:31.05 0.1 undecidable manual S 19 31.8459 50 -0.33 92
IV.MML1.EHZ. 2022-01-24T11:58:31.92 0.3 undecidable manual S 345 33.8439 50 0.03 71
IV.CESI.HHZ. 2022-01-24T11:58:29.26 0.1 undecidable manual S 325 25.0527 110 -0.02 97
IV.FDMO.HHZ. 2022-01-24T11:58:28.80 0.1 undecidable manual S 1 24.0537 111 -0.17 94
IV.MML1.EHZ. 2022-01-24T11:58:27.01 1.0 undecidable manual P 345 33.8439 50 0.14 23
IV.MMO1.EHN. 2022-01-24T11:58:27.89 0.3 undecidable manual S 66 21.9669 113 -0.39 68
IV.GAVE.EHZ. 2022-01-24T11:58:27.62 0.1 undecidable manual S 227 20.6682 114 -0.25 94
IV.SMA1.EHE. 2022-01-24T11:58:26.92 0.3 undecidable manual P 135 29.5482 50 0.71 59
IV.CSP1.EHZ. 2022-01-24T11:58:26.31 0.6 negative manual P 19 31.8459 50 -0.27 46
IV.FDMO.HHZ. 2022-01-24T11:58:25.17 1.0 negative manual P 1 24.0537 111 -0.01 24
IV.CESI.HHZ. 2022-01-24T11:58:25.32 0.3 negative manual P 325 25.0527 110 -0.04 73
IV.GAVE.EHZ. 2022-01-24T11:58:24.42 0.3 positive manual P 227 20.6682 114 -0.13 72
IV.FEMA.HNZ. 2022-01-24T11:58:24.12 0.3 undecidable manual P 351 16.0728 120 0.4 69
IT.MTCL.HGZ. 2022-01-24T11:58:24.98 0.3 undecidable manual P 341 20.4684 114 0.47 67
IV.LNSS.HHZ. 2022-01-24T11:58:24.93 0.6 undecidable manual P 188 24.2535 111 -0.28 46
IV.MMO1.EHN. 2022-01-24T11:58:24.54 0.3 undecidable manual P 66 21.9669 113 -0.25 70
IV.NRCA.HHZ. 2022-01-24T11:58:23.37 0.1 undecidable manual S 60 3.1968 161 -0.05 99
IV.MC2.EHE. 2022-01-24T11:58:23.92 0.3 undecidable manual P 41 13.5753 124 0.62 65
IV.NRCA.HHZ. 2022-01-24T11:58:22.10 0.1 undecidable manual P 60 3.1968 161 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.7 0.0007745 0.08 AML other m 2022-01-24T11:58:23.45
IV.NRCA.HHN. ML:1.5 0.0004906786 0.1024 AML other m 2022-01-24T11:58:24.22
IV.NRCA.HNE. ML:1.6 0.0006878112 0.0768 AML other m 2022-01-24T11:58:23.45
IV.NRCA.HNN. ML:1.5 0.00049389005 0.0896 AML other m 2022-01-24T11:58:24.22
IV.GAVE.EHE. ML:1.3 0.00014973930000000002 0.1408 AML other m 2022-01-24T11:58:28.18
IV.GAVE.EHN. ML:1.2 0.00011555784999999998 0.2816 AML other m 2022-01-24T11:58:28.02
IV.GAVE.HNE. ML:1.3 0.00014059982500000002 0.128 AML other m 2022-01-24T11:58:28.17
IV.FDMO.HHE. ML:0.7 0.000030419270000000003 0.2752 AML other m 2022-01-24T11:58:32.00
IV.FDMO.HHN. ML:0.7 0.00002854903 0.1792 AML other m 2022-01-24T11:58:30.26
IV.CESI.HHE. ML:0.8 0.00004164941 0.1792 AML other m 2022-01-24T11:58:29.58
IV.CESI.HHN. ML:1.0 0.000055927340000000005 0.1216 AML other m 2022-01-24T11:58:29.49
IV.CSP1.EHE. ML:1.4 0.00011873981 0.2816 AML other m 2022-01-24T11:58:31.81
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download