Earthquake with magnitude of ML 0.8 on date 01-10-2020 and time 13:06:24 (UTC) in region Norcia (PG)

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

  • 01-10-2020 13:06:24 (UTC)
  • 01-10-2020 15:06:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.797, 13.091 at 11 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 1 4957 4957
Preci PG 10 724 5681
Cascia PG 11 3217 8898
Castelsantangelo sul Nera MC 12 281 9179
Cerreto di Spoleto PG 14 1075 10254
Visso MC 15 1107 11361
Poggiodomo PG 16 117 11478
Sellano PG 17 1079 12557
Ussita MC 17 444 13001
Arquata del Tronto AP 17 1178 14179
Accumoli RI 17 667 14846
Vallo di Nera PG 19 364 15210
Monteleone di Spoleto PG 20 599 15809

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km SE of Foligno (57155 inhabitants)
45 Km NE of Terni (111501 inhabitants)
53 Km W of Teramo (54892 inhabitants)
56 Km NW of L'Aquila (69753 inhabitants)
67 Km SE of Perugia (166134 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
93 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km N of Tivoli (56533 inhabitants)
98 Km SW of Ancona (100861 inhabitants)
99 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
Bulletin
Rev1000
ML 0.8 2020-10-01
13:06:24
42.7967 13.0907 11 2021-02-26
14:55:58
Bollettino Sismico Italiano INGV 83758541
Reviewed
Rev100
ML 1.6 2020-10-01
13:06:24
42.8088 13.0718 11 2020-10-01
13:17:32
Sala Sismica INGV-Roma 83417221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-01 13:06:24 ± 0.1
Latitude 42.7967 ± 0.0045
Longitude 13.0907 ± 0.0098
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83758541

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 840
Semi-minor axis of confidence ellipse (meter) 528
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 99
Circular confidence region, given by single value of horizontal uncertainty (meter) 840
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.04047
Epicentral distance of station farthest from the epicenter (degree) 0.5288
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.5
Num. used stations 6
Type of magnitude ML
Reference to an origin 83758541
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-13 16:29:03

ML:1.6

Field Value
Value 1.6
Uncertainty 0.4
Num. used stations 8
Type of magnitude ML
Reference to an origin 83417221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-01 13:17:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.MML1.HNZ. 2020-10-01T13:06:37.31 0.3 undecidable manual S 345 0.3283 50 0.15 70
IV.CSP1.EHE. 2020-10-01T13:06:36.53 0.3 undecidable manual S 16 0.3067 50 0.01 72
IV.FDMO.HHZ. 2020-10-01T13:06:34.33 0.6 undecidable manual S 359 0.2401 50 -0.21 47
IV.FIAM.HHZ. 2020-10-01T13:06:34.88 1.0 undecidable manual P 178 0.5288 50 -0.55 20
IV.CESI.HHN. 2020-10-01T13:06:34.16 0.6 undecidable manual S 327 0.2491 50 -0.64 42
IV.MMO1.EHE. 2020-10-01T13:06:33.32 0.3 undecidable manual S 59 0.2014 50 -0.07 73
IV.LNSS.HHE. 2020-10-01T13:06:33.36 0.6 undecidable manual S 191 0.197 50 0.09 48
IV.MML1.HNZ. 2020-10-01T13:06:32.62 0.1 undecidable manual P 345 0.3283 50 0.62 83
IV.MC2.EHZ. 2020-10-01T13:06:31.56 0.3 undecidable manual S 32 0.1358 126 0.14 73
IV.CSP1.EHE. 2020-10-01T13:06:31.60 0.1 undecidable manual P 16 0.3067 50 -0.03 96
IV.FDMO.HHZ. 2020-10-01T13:06:30.35 0.3 undecidable manual P 359 0.2401 50 -0.13 71
IV.CESI.HHN. 2020-10-01T13:06:30.52 1.0 undecidable manual P 327 0.2491 50 -0.12 24
IV.MMO1.EHE. 2020-10-01T13:06:29.75 0.1 undecidable manual P 59 0.2014 50 -0.08 97
IV.LNSS.HHE. 2020-10-01T13:06:29.81 0.3 undecidable manual P 191 0.197 50 0.05 73
IV.MC2.EHZ. 2020-10-01T13:06:28.77 0.1 undecidable manual P 32 0.1358 126 0.09 98
IV.NRCA.HHZ. 2020-10-01T13:06:28.75 0.3 undecidable manual S 25 0.0405 158 -0.33 71
IV.NRCA.HHZ. 2020-10-01T13:06:27.41 0.1 negative manual P 25 0.0405 158 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.4 0.0004107046 0.0832 AML other m 2020-10-01T13:06:28.88
IV.NRCA.HNE. ML:1.4 0.00036828975 0.0768 AML other m 2020-10-01T13:06:28.92
IV.NRCA.HNN. ML:0.9 0.00011527938 0.3008 AML other m 2020-10-01T13:06:29.01
IV.NRCA.HHN. ML:0.8 0.00010659434 1.9424 AML other m 2020-10-01T13:06:29.01
IV.FDMO.HHE. ML:0 5.38858125E-6 0.1408 AML other m 2020-10-01T13:06:34.52
IV.FDMO.HHN. ML:0.3 1.01942035E-5 0.224 AML other m 2020-10-01T13:06:34.94
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