Earthquake with magnitude of ML 1.2 on date 23-02-2022 and time 09:33:25 (Italy) in region 5 km NE Norcia (PG)

A magnitude ML 1.2 earthquake occured in region: 5 km NE Norcia (PG), on

  • 23-02-2022 08:33:25 (UTC)
  • 23-02-2022 09:33:25 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8370, 13.1180 at 10 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.

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 5 4957 4957
Castelsantangelo sul Nera MC 7 281 5238
Preci PG 8 724 5962
Visso MC 11 1107 7069
Ussita MC 12 444 7513
Cascia PG 16 3217 10730
Arquata del Tronto AP 16 1178 11908
Cerreto di Spoleto PG 17 1075 12983
Sellano PG 17 1079 14062
Montegallo AP 18 523 14585
Montemonaco AP 19 604 15189
Accumoli RI 19 667 15856
Bolognola MC 20 142 15998
Monte Cavallo MC 20 145 16143

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km E of Foligno (57155 inhabitants)
49 Km NE of Terni (111501 inhabitants)
52 Km W of Teramo (54892 inhabitants)
59 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km W of Pescara (121014 inhabitants)
101 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
Bulletin
Rev1000
ML 1.2 2022-02-23
08:33:25
42.8367 13.1183 10 2022-07-08
12:33:32
Bollettino Sismico Italiano INGV 101450891
Reviewed
Rev100
ML 1.4 2022-02-23
08:33:25
42.8353 13.1133 10 2022-02-23
08:38:11
Sala Sismica INGV-Roma 101366471
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-02-23 08:33:25 ± 0.04
Latitude 42.8367 ± 0.0018
Longitude 13.1183 ± 0.0025
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 101450891

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 220
Semi-minor axis of confidence ellipse (meter) 213
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 342
Circular confidence region, given by single value of horizontal uncertainty (meter) 220.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40
Number of associated phases, regardless of their use for origin computation 38
Number of defining phases 37
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) 0.49283
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 101366471
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-02-23 08:38:11

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 101450891
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-02-25 16:04:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2022-02-23T08:33:43.66 0.6 undecidable manual S 359 54.7008 50 0.41 43
IV.MOMA.HNZ. 2022-02-23T08:33:40.96 0.3 undecidable manual S 266 44.7219 50 0.36 66
IV.PF6.EHN. 2022-02-23T08:33:37.51 0.1 undecidable manual S 10 33.9438 50 -0.22 93
IV.MML1.EHZ. 2022-02-23T08:33:37.50 0.6 undecidable manual S 339 32.9448 50 0.05 48
IV.CSP1.EHZ. 2022-02-23T08:33:36.24 0.6 undecidable manual S 14 29.1486 50 -0.2 47
IV.SMA1.EHZ. 2022-02-23T08:33:36.20 0.6 undecidable manual S 142 28.9488 50 -0.17 47
IV.EL6.EHZ. 2022-02-23T08:33:35.99 0.1 undecidable manual P 359 54.7008 50 0.06 92
IV.CESI.HHZ. 2022-02-23T08:33:35.14 0.6 undecidable manual S 317 25.4523 111 -0.29 46
IV.LNSS.HHZ. 2022-02-23T08:33:35.65 0.6 undecidable manual S 194 26.6511 50 -0.13 48
IV.GAVE.EHZ. 2022-02-23T08:33:34.73 0.6 undecidable manual S 229 24.2535 112 -0.31 46
IV.MTRA.EHZ. 2022-02-23T08:33:34.87 0.6 undecidable manual S 111 24.3534 112 -0.19 47
IV.MOMA.HNZ. 2022-02-23T08:33:34.51 0.1 undecidable manual P 266 44.7219 50 0.1 93
IV.TERO.HHZ. 2022-02-23T08:33:34.53 0.6 undecidable manual P 121 46.1205 50 -0.09 46
IV.FDMO.HHZ. 2022-02-23T08:33:34.20 0.6 undecidable manual S 354 22.3554 114 -0.22 47
IV.ASSB.HHZ. 2022-02-23T08:33:34.11 0.6 negative manual P 302 43.7229 50 -0.14 46
IV.RM33.EHZ. 2022-02-23T08:33:33.53 0.6 undecidable manual P 168 37.2294 50 0.29 45
IV.FEMA.HNZ. 2022-02-23T08:33:32.13 0.1 undecidable manual S 338 14.9739 124 -0.05 99
7F.SIB1.EHZ. 2022-02-23T08:33:32.17 0.1 undecidable manual S 62 13.875 125 0.3 94
IV.PF6.EHN. 2022-02-23T08:33:32.59 0.1 undecidable manual P 10 33.9438 50 -0.16 94
IV.SMA1.EHZ. 2022-02-23T08:33:32.10 0.6 negative manual P 142 28.9488 50 0.14 47
IV.MML1.EHZ. 2022-02-23T08:33:32.70 1.0 positive manual P 339 32.9448 50 0.12 24
7F.SIB2.EHZ. 2022-02-23T08:33:32.32 0.1 undecidable manual S 68 16.2726 121 -0.23 95
IV.LNSS.HHZ. 2022-02-23T08:33:31.61 0.1 undecidable manual P 194 26.6511 50 -0.01 98
IV.GAVE.EHZ. 2022-02-23T08:33:31.16 0.1 undecidable manual P 229 24.2535 112 -0.04 98
IV.CSP1.EHZ. 2022-02-23T08:33:31.92 0.1 undecidable manual P 14 29.1486 50 -0.08 96
IV.MTRA.EHZ. 2022-02-23T08:33:31.19 0.6 undecidable manual P 111 24.3534 112 -0.02 49
7F.SIB3.EHZ. 2022-02-23T08:33:31.58 0.1 undecidable manual S 71 13.0758 127 -0.05 99
IV.MC2.EHZ. 2022-02-23T08:33:31.17 0.6 undecidable manual S 35 10.0788 135 0.32 47
IV.CESI.HHZ. 2022-02-23T08:33:31.31 0.1 undecidable manual P 317 25.4523 111 -0.11 96
IV.FDMO.HHZ. 2022-02-23T08:33:30.78 0.1 undecidable manual P 354 22.3554 114 -0.05 98
IV.MF5.EHZ. 2022-02-23T08:33:30.48 3.0 undecidable manual P -1.78 0
7F.SIB3.EHZ. 2022-02-23T08:33:29.34 0.1 undecidable manual P 71 13.0758 127 0.11 98
IV.MC2.EHZ. 2022-02-23T08:33:29.11 1.0 undecidable manual P 35 10.0788 135 0.33 24
7F.SIB2.EHZ. 2022-02-23T08:33:29.66 0.1 undecidable manual P 68 16.2726 121 -0.1 98
IV.FEMA.HNZ. 2022-02-23T08:33:29.81 0.1 undecidable manual P 338 14.9739 124 0.27 95
IV.NRCA.HHZ. 2022-02-23T08:33:29.16 0.6 undecidable manual S 223 0.4995 177 -0.23 49
7F.SIB1.EHZ. 2022-02-23T08:33:29.55 0.1 undecidable manual P 62 13.875 125 0.18 96
IV.NRCA.HHZ. 2022-02-23T08:33:28.05 0.1 undecidable manual P 223 0.4995 177 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.0 0.0008275 0.1 AML other m 2022-02-23T08:33:30.70
IV.CESI.HHE. ML:1.2 0.00009554999999999999 0.44 AML other m 2022-02-23T08:33:35.43
IV.CESI.HHN. ML:1.4 0.000162 0.26 AML other m 2022-02-23T08:33:35.57
IV.GAVE.EHE. ML:1.3 0.000129 0.2 AML other m 2022-02-23T08:33:35.59
IV.LNSS.HHE. ML:1.4 0.0001265 1.52 AML other m 2022-02-23T08:33:36.95
IV.LNSS.HHN. ML:1.4 0.0001245 0.68 AML other m 2022-02-23T08:33:36.60
IV.GAVE.EHN. ML:1.2 0.00009964999999999998 0.44 AML other m 2022-02-23T08:33:36.78
IV.CSP1.EHE. ML:1.4 0.0001268339 0.2368 AML other m 2022-02-23T08:33:37.02
IV.CSP1.EHN. ML:1.6 0.00019578224999999998 0.3648 AML other m 2022-02-23T08:33:37.88
IV.SMA1.EHN. ML:1.0 0.000050681395 0.32 AML other m 2022-02-23T08:33:39.07
IV.SMA1.EHE. ML:0.9 0.000039415954999999994 0.416 AML other m 2022-02-23T08:33:36.57
IV.ASSB.HHE. ML:1.1 0.00004240481 0.1216 AML other m 2022-02-23T08:33:42.10
IV.ASSB.HHN. ML:1.1 0.000039244114999999993 0.16 AML other m 2022-02-23T08:33:41.45
IV.TERO.HHN. ML:1.2 0.00004756187 1.2992 AML other m 2022-02-23T08:33:41.76
IV.TERO.HHE. ML:1.1 0.000035308295 0.1216 AML other m 2022-02-23T08:33:41.20
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