Earthquake with magnitude of ML 1.4 on date 08-02-2023 and time 14:08:21 (UTC) in region 5 km NW Norcia (PG)

A magnitude ML 1.4 earthquake occured in region: 5 km NW Norcia (PG), on

  • 08-02-2023 14:08:21 (UTC)
  • 08-02-2023 15:08:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8240, 13.0410 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 6 4957 4957
Preci PG 6 724 5681
Cerreto di Spoleto PG 10 1075 6756
Sellano PG 12 1079 7835
Cascia PG 12 3217 11052
Castelsantangelo sul Nera MC 12 281 11333
Visso MC 13 1107 12440
Poggiodomo PG 15 117 12557
Ussita MC 16 444 13001
Vallo di Nera PG 16 364 13365
Monte Cavallo MC 19 145 13510
Sant'Anatolia di Narco PG 20 564 14074

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
57 Km W of Teramo (54892 inhabitants)
60 Km NW of L'Aquila (69753 inhabitants)
62 Km SE of Perugia (166134 inhabitants)
89 Km NE of Viterbo (67173 inhabitants)
95 Km N of Guidonia Montecelio (88673 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km W of Montesilvano (53738 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
Bulletin
Rev1000
ML 1.4 2023-02-08
14:08:21
42.8243 13.0413 10 2024-03-01
17:17:54
Bollettino Sismico Italiano INGV 114274241
Reviewed
Rev100
ML 1.4 2023-02-08
14:08:21
42.8258 13.0437 10 2023-02-08
14:16:15
Sala Sismica INGV-Roma 114259441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-08 14:08:21 ± 0.04
Latitude 42.8243 ± 0.0018
Longitude 13.0413 ± 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 114274241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 232
Semi-minor axis of confidence ellipse (meter) 174
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 107
Circular confidence region, given by single value of horizontal uncertainty (meter) 230.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 64
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.53869
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 114259441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-08 14:16:15

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 20
Type of magnitude ML
Reference to an origin 114274241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-02-08 22:59:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIGS.HHN. 2023-02-08T14:08:40.89 0.3 undecidable manual S 133 59.7957 50 0.47 63
IV.EL6.EHE. 2023-02-08T14:08:39.82 0.3 undecidable manual S 5 56.1993 50 0.35 66
IV.TERO.HHZ. 2023-02-08T14:08:37.65 0.3 undecidable manual S 116 51.0156 50 -0.42 65
IV.SNTG.HHE. 2023-02-08T14:08:37.48 0.3 undecidable manual S 350 48.5181 50 0.08 70
IV.CESX.HHZ. 2023-02-08T14:08:36.48 0.6 undecidable manual S 237 44.1225 50 0.25 46
IV.MF5.EHN. 2023-02-08T14:08:35.09 0.3 undecidable manual S 62 38.5281 50 0.35 68
IT.GNU.HGE. 2023-02-08T14:08:35.19 0.6 undecidable manual S 267 38.4282 50 0.48 44
IV.SAP2.EHE. 2023-02-08T14:08:35.84 0.3 undecidable manual S 44 41.9247 50 0.19 70
IV.GUMA.HHZ. 2023-02-08T14:08:34.29 0.3 undecidable manual S 42 35.6421 50 0.32 68
IV.MOMA.HNE. 2023-02-08T14:08:34.56 0.3 undecidable manual S 267 38.4282 50 -0.15 71
IV.RM33.HNE. 2023-02-08T14:08:34.24 0.3 undecidable manual S 158 37.7289 50 -0.29 69
IV.SMA1.EHZ. 2023-02-08T14:08:33.30 0.3 undecidable manual S 132 32.1456 50 0.25 70
IV.PF6.EHN. 2023-02-08T14:08:33.96 0.3 undecidable manual S 20 36.9297 50 -0.35 68
IV.ARRO.EHZ. 2023-02-08T14:08:33.42 0.3 undecidable manual S 220 35.2425 50 -0.45 67
IV.MTRA.HNZ. 2023-02-08T14:08:32.37 0.3 undecidable manual S 104 29.8479 50 -0.06 73
IV.CSP1.EHZ. 2023-02-08T14:08:32.80 0.3 undecidable manual S 24 32.5452 50 -0.33 69
IV.GIGS.HHN. 2023-02-08T14:08:32.69 0.3 undecidable manual P 133 59.7957 50 0.2 67
IV.MML1.HNE. 2023-02-08T14:08:32.80 0.3 undecidable manual S 350 32.5452 50 -0.35 68
IV.TERO.HHZ. 2023-02-08T14:08:31.03 0.1 undecidable manual P 116 51.0156 50 -0.1 93
IV.EL6.EHE. 2023-02-08T14:08:31.67 0.3 undecidable manual P 5 56.1993 50 -0.27 67
IV.SNTG.HHE. 2023-02-08T14:08:31.11 0.1 undecidable manual P 350 48.5181 50 0.37 88
IV.CESX.HHZ. 2023-02-08T14:08:30.39 0.1 undecidable manual P 237 44.1225 50 0.32 90
IV.FDMO.HHZ. 2023-02-08T14:08:30.29 0.3 undecidable manual S 9 23.8539 112 -0.27 71
IV.MMO1.EHZ. 2023-02-08T14:08:30.58 0.3 undecidable manual S 70 24.6531 111 -0.25 71
IV.LNSS.HHZ. 2023-02-08T14:08:30.60 0.3 undecidable manual S 180 24.5532 111 -0.2 72
IT.GNU.HGE. 2023-02-08T14:08:29.67 0.1 undecidable manual P 267 38.4282 50 0.48 88
IV.PF6.EHN. 2023-02-08T14:08:29.00 0.3 undecidable manual P 20 36.9297 50 0.04 73
IV.CESI.HHZ. 2023-02-08T14:08:29.99 0.3 undecidable manual S 331 22.9548 113 -0.28 71
IV.RM33.HNE. 2023-02-08T14:08:29.03 0.1 undecidable manual P 158 37.7289 50 -0.06 96
IV.SAP2.EHE. 2023-02-08T14:08:29.69 0.3 undecidable manual P 44 41.9247 50 -0.04 72
IV.GAVE.EHZ. 2023-02-08T14:08:29.02 0.3 undecidable manual S 219 18.9699 117 0.01 75
7F.SIB1.EHZ. 2023-02-08T14:08:29.37 0.3 undecidable manual S 67 20.1687 115 -0.03 75
IV.MOMA.HNE. 2023-02-08T14:08:29.09 0.1 undecidable manual P 267 38.4282 50 -0.1 95
IV.MF5.EHN. 2023-02-08T14:08:29.60 0.1 undecidable manual P 62 38.5281 50 0.39 90
7F.SIB2.EHZ. 2023-02-08T14:08:29.95 0.3 undecidable manual S 71 22.5552 113 -0.21 72
IV.SMA1.EHZ. 2023-02-08T14:08:28.00 0.1 undecidable manual P 132 32.1456 50 -0.23 94
IV.MML1.HNE. 2023-02-08T14:08:28.18 0.1 undecidable manual P 350 32.5452 50 -0.11 96
7F.SIB3.EHZ. 2023-02-08T14:08:28.98 0.3 undecidable manual S 73 19.4694 116 -0.18 73
IV.ARRO.EHZ. 2023-02-08T14:08:28.46 0.1 undecidable manual P 220 35.2425 50 -0.25 93
IV.GUMA.HHZ. 2023-02-08T14:08:28.73 0.1 undecidable manual P 42 35.6421 50 -0.03 97
IV.FEMA.HNZ. 2023-02-08T14:08:28.15 0.3 undecidable manual S 3 15.2736 122 0.24 72
IV.CSP1.EHZ. 2023-02-08T14:08:28.09 0.1 positive manual P 24 32.5452 50 -0.19 94
IV.MC2.EHZ. 2023-02-08T14:08:28.19 0.3 undecidable manual S 51 15.3735 122 0.25 72
IV.MTRA.HNZ. 2023-02-08T14:08:27.73 0.1 positive manual P 104 29.8479 50 -0.15 96
7F.SIB1.EHZ. 2023-02-08T14:08:26.26 0.1 negative manual P 67 20.1687 115 0.14 98
IV.MMO1.EHZ. 2023-02-08T14:08:26.89 0.1 negative manual P 70 24.6531 111 -0.06 98
7F.SIB2.EHZ. 2023-02-08T14:08:26.52 0.1 negative manual P 71 22.5552 113 -0.05 99
IV.LNSS.HHZ. 2023-02-08T14:08:26.86 0.1 positive manual P 180 24.5532 111 -0.08 98
7F.SIB3.EHZ. 2023-02-08T14:08:26.01 0.1 negative manual P 73 19.4694 116 0.02 100
IV.CESI.HHZ. 2023-02-08T14:08:26.57 0.1 positive manual P 331 22.9548 113 -0.06 99
IV.GAVE.EHZ. 2023-02-08T14:08:26.03 0.1 positive manual P 219 18.9699 117 0.13 98
IV.FDMO.HHZ. 2023-02-08T14:08:26.68 0.1 positive manual P 9 23.8539 112 -0.12 97
IV.FEMA.HNZ. 2023-02-08T14:08:25.05 0.1 undecidable manual P 3 15.2736 122 -0.22 97
IV.MC2.EHZ. 2023-02-08T14:08:25.54 0.1 undecidable manual P 51 15.3735 122 0.25 96
IV.NRCA.HHZ. 2023-02-08T14:08:25.77 0.3 undecidable manual S 80 5.994 148 0.2 74
IV.NRCA.HHZ. 2023-02-08T14:08:24.26 0.1 negative manual P 80 5.994 148 0.35 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.4 0.0004545 0.16 AML other m 2023-02-08T14:08:25.96
IV.NRCA.HNN. ML:1.4 0.0004290000000000001 0.16 AML other m 2023-02-08T14:08:25.96
IV.NRCA.HNE. ML:1.5 0.000544 0.16 AML other m 2023-02-08T14:08:26.04
IV.NRCA.HHE. ML:1.5 0.0005755000000000001 0.16 AML other m 2023-02-08T14:08:26.12
IV.MC2.EHN. ML:1.5 0.0002963848 0.1984 AML other m 2023-02-08T14:08:28.72
IV.MC2.EHE. ML:1.3 0.0002057317 0.2368 AML other m 2023-02-08T14:08:30.42
IV.CESI.HHN. ML:1.1 0.000088127635 0.2048 AML other m 2023-02-08T14:08:30.28
IV.CESI.HHE. ML:1.0 0.00005815257 0.1024 AML other m 2023-02-08T14:08:30.50
IV.LNSS.HHE. ML:1.2 0.0000919 1.7 AML other m 2023-02-08T14:08:30.90
IV.LNSS.HHN. ML:1.3 0.00011660000000000002 0.28 AML other m 2023-02-08T14:08:31.20
IV.MMO1.EHN. ML:1.4 0.000146 0.62 AML other m 2023-02-08T14:08:31.48
IV.MMO1.EHE. ML:1.3 0.0001205 0.48 AML other m 2023-02-08T14:08:31.98
IV.CSP1.EHE. ML:1.4 0.00010838160499999999 0.7776 AML other m 2023-02-08T14:08:32.22
IV.CSP1.EHN. ML:1.7 0.0002150195 0.4192 AML other m 2023-02-08T14:08:32.77
IV.SMA1.EHE. ML:1.4 0.00010130928000000001 0.08 AML other m 2023-02-08T14:08:34.90
IV.GUMA.HHE. ML:1.4 0.00009362458000000001 0.2752 AML other m 2023-02-08T14:08:34.80
IV.GUMA.HHN. ML:1.5 0.00011586214 0.5376 AML other m 2023-02-08T14:08:35.72
IV.SMA1.EHN. ML:1.2 0.00008172902500000001 0.5024 AML other m 2023-02-08T14:08:38.19
IV.TERO.HHN. ML:1.4 0.00007073979 1.3184 AML other m 2023-02-08T14:08:41.94
IV.TERO.HHE. ML:1.1 0.000029244280000000003 1.2224 AML other m 2023-02-08T14:08:45.19
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