Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 16-02-2022 and time 01:35:00 (Italy) in region 1 km NE Norcia (PG)

A magnitude ML 1.3 earthquake occured in region: 1 km NE Norcia (PG), on

  • 16-02-2022 00:35:00 (UTC)
  • 16-02-2022 01:35:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7960, 13.0990 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

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 1 4957 4957
Preci PG 11 724 5681
Cascia PG 11 3217 8898
Castelsantangelo sul Nera MC 12 281 9179
Cerreto di Spoleto PG 15 1075 10254
Visso MC 15 1107 11361
Poggiodomo PG 16 117 11478
Arquata del Tronto AP 16 1178 12656
Accumoli RI 17 667 13323
Ussita MC 17 444 13767
Sellano PG 17 1079 14846
Vallo di Nera PG 20 364 15210
Montegallo AP 20 523 15733
Monteleone di Spoleto PG 20 599 16332

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
67 Km SE of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
92 Km E of Viterbo (67173 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
98 Km W of Pescara (121014 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 1.3 2022-02-16
00:35:00		 42.7957 13.0992 12 2022-02-16
01:27:49		 Sala Sismica INGV-Roma 101035571
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-16 00:35:00 ± 0.1
Latitude 42.7957 ± 0.0045
Longitude 13.0992 ± 0.0110
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 101035571

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 816
Semi-minor axis of confidence ellipse (meter) 465
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
Circular confidence region, given by single value of horizontal uncertainty (meter) 820.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 133
Number of associated phases, regardless of their use for origin computation 15
Number of defining phases 14
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29857
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 7
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 101035571
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-16 01:27:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2022-02-16T00:35:12.13 0.6 undecidable manual S 163 33.1446 92 0.35 45
IV.CESI.HHZ. 2022-02-16T00:35:10.33 0.6 undecidable manual S 326 28.0497 92 -0.09 48
IV.SMA1.EHZ. 2022-02-16T00:35:09.59 0.6 undecidable manual S 134 26.5512 92 -0.43 43
IV.FDMO.HHZ. 2022-02-16T00:35:09.76 0.6 undecidable manual S 358 26.751 92 -0.31 45
IV.LNSS.HHZ. 2022-02-16T00:35:08.78 0.6 undecidable manual S 193 21.9669 94 0 48
IV.MC2.EHZ. 2022-02-16T00:35:07.56 0.6 undecidable manual S 30 14.7741 103 0.67 42
IV.RM33.EHZ. 2022-02-16T00:35:07.02 1.0 positive manual P 163 33.1446 92 0.02 24
IV.CSP1.EHZ. 2022-02-16T00:35:07.10 3.0 negative manual P -0.33 0
IV.FDMO.HHZ. 2022-02-16T00:35:06.05 1.0 undecidable manual P 358 26.751 92 0.04 24
IV.CESI.HHZ. 2022-02-16T00:35:06.28 1.0 undecidable manual P 326 28.0497 92 0.06 24
IV.SMA1.EHZ. 2022-02-16T00:35:06.03 0.6 negative manual P 134 26.5512 92 0.05 48
IV.LNSS.HHZ. 2022-02-16T00:35:05.30 1.0 undecidable manual P 193 21.9669 94 0.03 24
IV.MC2.EHZ. 2022-02-16T00:35:04.31 0.6 negative manual P 30 14.7741 103 0.13 49
IV.NRCA.HHZ. 2022-02-16T00:35:04.35 0.6 undecidable manual S 16 4.3956 153 -0.38 47
IV.NRCA.HHZ. 2022-02-16T00:35:02.91 0.1 undecidable manual P 16 4.3956 153 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.4 0.0003555 0.16 AML other m 2022-02-16T00:35:04.44
IV.NRCA.HHN. ML:1.4 0.0003795 0.08 AML other m 2022-02-16T00:35:04.43
IV.NRCA.HNE. ML:1.4 0.000359 0.64 AML other m 2022-02-16T00:35:04.47
IV.NRCA.HNN. ML:1.4 0.00039850000000000004 0.8 AML other m 2022-02-16T00:35:05.44
IV.CESI.HHE. ML:1.0 0.00004925 1.58 AML other m 2022-02-16T00:35:06.81
IV.CESI.HHN. ML:1.1 0.000059250000000000004 0.44 AML other m 2022-02-16T00:35:11.84
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