Earthquake with magnitude of ML 0.7 on date 06-08-2022 and time 23:40:23 (Italy) in region 1 km E Norcia (PG)

A magnitude ML 0.7 earthquake occured in region: 1 km E Norcia (PG), on

  • 06-08-2022 21:40:23 (UTC)
  • 06-08-2022 23:40:23 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7940, 13.1110 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
Norcia PG 1 4957 4957
Preci PG 11 724 5681
Cascia PG 12 3217 8898
Castelsantangelo sul Nera MC 12 281 9179
Arquata del Tronto AP 15 1178 10357
Visso MC 15 1107 11464
Accumoli RI 16 667 12131
Cerreto di Spoleto PG 16 1075 13206
Ussita MC 17 444 13650
Poggiodomo PG 17 117 13767
Sellano PG 18 1079 14846
Montegallo AP 19 523 15369
Cittareale RI 20 482 15851

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
46 Km NE of Terni (111501 inhabitants)
51 Km W of Teramo (54892 inhabitants)
55 Km NW of L'Aquila (69753 inhabitants)
68 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)
97 Km W of Pescara (121014 inhabitants)
97 Km SW of Ancona (100861 inhabitants)
100 Km NW of Chieti (51815 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 0.7 2022-08-06
21:40:23
42.7945 13.1108 10 2022-08-06
21:46:56
Sala Sismica INGV-Roma 108209381
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-06 21:40:23 ± 0.06
Latitude 42.7945 ± 0.0036
Longitude 13.1108 ± 0.0061
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 108209381

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 552
Semi-minor axis of confidence ellipse (meter) 278
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 121
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 19
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33455
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 108209381
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-06 21:46:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SSFR.HHZ. 2022-08-06T21:40:38.20 3.0 undecidable manual P 0.72 0
IV.CSP1.EHZ. 2022-08-06T21:40:35.21 0.6 undecidable manual S 13 33.8439 50 0.02 48
IV.CESI.HHZ. 2022-08-06T21:40:34.02 0.6 undecidable manual S 324 28.749 50 0.2 47
IV.FDMO.HHZ. 2022-08-06T21:40:33.08 0.3 undecidable manual S 356 26.9508 50 -0.26 70
IV.MMO1.EHZ. 2022-08-06T21:40:31.62 0.3 undecidable manual S 56 21.0678 116 -0.03 74
IV.LNSS.HHE. 2022-08-06T21:40:31.82 0.6 undecidable manual S 195 22.0668 115 -0.12 48
IV.CSP1.EHZ. 2022-08-06T21:40:30.31 1.0 negative manual P 13 33.8439 50 0.05 24
IV.MML1.EHZ. 2022-08-06T21:40:30.76 0.6 undecidable manual P 342 37.1295 50 -0.01 48
IV.RM33.EHZ. 2022-08-06T21:40:30.14 3.0 positive manual P 0 0
IV.FDMO.HHZ. 2022-08-06T21:40:29.15 0.3 positive manual P 356 26.9508 50 -0.04 73
IV.MC2.EHZ. 2022-08-06T21:40:29.63 0.6 undecidable manual S 26 14.4744 125 -0.03 50
IV.CESI.HHZ. 2022-08-06T21:40:29.48 0.1 positive manual P 324 28.749 50 0.01 98
7F.SIB3.EHE. 2022-08-06T21:40:29.98 0.3 undecidable manual S 55 15.7731 123 -0.05 74
IV.LNSS.HHE. 2022-08-06T21:40:28.40 0.1 undecidable manual P 195 22.0668 115 0.02 99
IV.MMO1.EHZ. 2022-08-06T21:40:28.32 1.0 positive manual P 56 21.0678 116 0.11 24
IV.NRCA.HHZ. 2022-08-06T21:40:27.21 0.3 undecidable manual S 4 4.3956 157 -0.17 74
IV.MC2.EHZ. 2022-08-06T21:40:27.60 0.6 undecidable manual P 26 14.4744 125 0.54 45
7F.SIB3.EHE. 2022-08-06T21:40:27.30 0.1 undecidable manual P 55 15.7731 123 0.02 100
IV.NRCA.HHZ. 2022-08-06T21:40:25.86 0.6 undecidable manual P 4 4.3956 157 0.11 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHE. ML:0.8 0.000038028775 0.1152 AML other m 2022-08-06T21:40:31.90
IV.MMO1.EHN. ML:0.6 0.000030752425 0.1536 AML other m 2022-08-06T21:40:31.71
IV.FDMO.HHE. ML:0.6 0.000017951345000000002 0.1536 AML other m 2022-08-06T21:40:35.60
IV.FDMO.HHN. ML:0.6 0.0000185814 0.1024 AML other m 2022-08-06T21:40:33.48
IV.CSP1.EHE. ML:1.0 0.000045897741 0.1792 AML other m 2022-08-06T21:40:35.84
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