Earthquake with magnitude of ML 0.8 on date 27-09-2022 and time 18:44:13 (Italy) in region 4 km E Norcia (PG)

A magnitude ML 0.8 earthquake occured in region: 4 km E Norcia (PG), on

  • 27-09-2022 16:44:13 (UTC)
  • 27-09-2022 18:44:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8010, 13.1380 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 4 4957 4957
Castelsantangelo sul Nera MC 11 281 5238
Preci PG 12 724 5962
Arquata del Tronto AP 13 1178 7140
Cascia PG 14 3217 10357
Accumoli RI 15 667 11024
Visso MC 15 1107 12131
Ussita MC 16 444 12575
Montegallo AP 17 523 13098
Cerreto di Spoleto PG 18 1075 14173
Montemonaco AP 19 604 14777
Poggiodomo PG 19 117 14894
Sellano PG 20 1079 15973

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
48 Km NE of Terni (111501 inhabitants)
49 Km W of Teramo (54892 inhabitants)
54 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km W of Pescara (121014 inhabitants)
96 Km SW of Ancona (100861 inhabitants)
97 Km N of Tivoli (56533 inhabitants)
98 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 0.8 2022-09-27
16:44:13
42.8013 13.1375 9 2022-09-27
16:50:45
Sala Sismica INGV-Roma 110224141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-09-27 16:44:13 ± 0.15
Latitude 42.8013 ± 0.0036
Longitude 13.1375 ± 0.0061
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 110224141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 496
Semi-minor axis of confidence ellipse (meter) 127
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 93
Circular confidence region, given by single value of horizontal uncertainty (meter) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 120
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26530
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 110224141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-09-27 16:50:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VIVA.HHZ. 2022-09-27T16:44:37.26 3.0 negative manual P 0.05 0
IV.ATVO.HHZ. 2022-09-27T16:44:30.22 3.0 negative manual P -0.24 0
IV.FDMO.HHZ. 2022-09-27T16:44:23.20 0.1 undecidable manual S 351 0.2374 109 -0.26 93
IV.LNSS.HHZ. 2022-09-27T16:44:22.54 0.3 undecidable manual S 200 0.2104 111 0.06 73
IV.SMA1.EHZ. 2022-09-27T16:44:22.79 0.3 undecidable manual S 140 0.2239 110 -0.18 71
IV.MMO1.EHZ. 2022-09-27T16:44:20.99 0.3 undecidable manual S 55 0.1700 115 -0.04 74
IV.SMA1.EHZ. 2022-09-27T16:44:19.39 1.0 positive manual P 140 0.2239 110 0.3 23
7F.SIB3.EHE. 2022-09-27T16:44:19.29 0.3 undecidable manual S 53 0.1223 123 -0.12 73
IV.CESI.HHZ. 2022-09-27T16:44:19.72 1.0 undecidable manual P 320 0.2653 107 -0.24 23
IV.FDMO.HHZ. 2022-09-27T16:44:19.52 0.3 undecidable manual P 351 0.2374 109 0.14 71
IV.MC2.EHZ. 2022-09-27T16:44:19.81 0.3 undecidable manual S 19 0.1160 125 0.58 66
IV.LNSS.HHZ. 2022-09-27T16:44:18.89 1.0 positive manual P 200 0.2104 111 0.08 24
IV.MMO1.EHZ. 2022-09-27T16:44:17.96 0.3 undecidable manual P 55 0.1700 115 -0.01 74
7F.SIB3.EHE. 2022-09-27T16:44:17.04 0.1 undecidable manual P 53 0.1223 123 0 100
IV.NRCA.HHZ. 2022-09-27T16:44:17.04 0.1 undecidable manual S 332 0.0360 156 -0.14 99
IV.MC2.EHZ. 2022-09-27T16:44:16.79 0.6 undecidable manual P 19 0.1160 125 -0.15 49
IV.NRCA.HHZ. 2022-09-27T16:44:15.89 0.1 undecidable manual P 332 0.0360 156 0.14 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.0 0.0002151894 0.0896 AML other m 2022-09-27T16:44:18.01
IV.NRCA.HHN. ML:0.0 0.00016631685 0.0512 AML other m 2022-09-27T16:44:17.07
IV.NRCA.HNN. ML:0.0 0.00020507906 0.512 AML other m 2022-09-27T16:44:17.11
IV.MMO1.EHE. ML:0.7 0.000041738650000000004 0.256 AML other m 2022-09-27T16:44:22.84
IV.MMO1.EHN. ML:0.8 0.000052818509999999997 0.1408 AML other m 2022-09-27T16:44:21.64
IV.CESI.HHN. ML:1.0 0.000046604880000000004 0.2816 AML other m 2022-09-27T16:44:24.17
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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