Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.4 on date 05-09-2020 and time 23:12:19 (UTC) in region 6 km S Castelsantangelo sul Nera (MC)

A magnitude ML 0.4 earthquake occured in region: 6 km S Castelsantangelo sul Nera (MC), on

  • 05-09-2020 23:12:19 (UTC)
  • 06-09-2020 01:12:19 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8470, 13.1700 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Castelsantangelo sul Nera MC 6 281 281
Norcia PG 9 4957 5238
Preci PG 11 724 5962
Ussita MC 11 444 6406
Visso MC 12 1107 7513
Arquata del Tronto AP 13 1178 8691
Montegallo AP 13 523 9214
Montemonaco AP 14 604 9818
Bolognola MC 17 142 9960
Montefortino FM 18 1178 11138
Accumoli RI 18 667 11805
Cascia PG 19 3217 15022

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
48 Km W of Teramo (54892 inhabitants)
53 Km NE of Terni (111501 inhabitants)
58 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
95 Km W of Pescara (121014 inhabitants)
99 Km NW of Chieti (51815 inhabitants)
99 Km E of Viterbo (67173 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 0.4 2020-09-05
23:12:19		 42.8473 13.1703 10 2021-02-26
14:56:07		 Bollettino Sismico Italiano INGV 84965241
Reviewed
Rev100 		ML 0.4 2020-09-05
23:12:19		 42.8477 13.1677 10 2020-09-05
23:37:39		 Sala Sismica INGV-Roma 82654291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-05 23:12:19 ± 0.05
Latitude 42.8473 ± 0.0027
Longitude 13.1703 ± 0.0037
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 84965241

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 331
Semi-minor axis of confidence ellipse (meter) 263
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 289
Circular confidence region, given by single value of horizontal uncertainty (meter) 330.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 85
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
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) 0.04317
Epicentral distance of station farthest from the epicenter (degree) 0.26260
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 84965241
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-11-23 11:58:16

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 82654291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-05 23:37:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2020-09-05T23:12:29.44 0.3 undecidable manual S 309 27.75 50 0.15 73
IV.LNSS.HNZ. 2020-09-05T23:12:29.71 0.3 undecidable manual S 201 29.1486 50 0.06 74
IV.GAVE.HNZ. 2020-09-05T23:12:29.54 0.3 undecidable manual S 233 28.3494 50 0.1 73
IV.MF5.EHZ. 2020-09-05T23:12:29.84 0.3 undecidable manual S 56 28.2495 50 0.44 68
IV.GUMA.HHZ. 2020-09-05T23:12:29.51 0.3 undecidable manual S 29 27.3504 50 0.32 70
IV.T1299.EHZ. 2020-09-05T23:12:28.71 0.3 undecidable manual S 159 25.3524 50 0.07 74
IV.SMA1.EHZ. 2020-09-05T23:12:28.99 0.3 undecidable manual S 151 27.5502 50 -0.24 71
IV.CSP1.EHZ. 2020-09-05T23:12:28.86 0.3 undecidable manual S 6 27.2505 50 -0.3 71
IV.FDMO.HHZ. 2020-09-05T23:12:27.36 0.3 undecidable manual S 342 22.0668 114 -0.23 72
IT.MTCL.HGZ. 2020-09-05T23:12:27.19 0.3 undecidable manual S 320 21.3675 115 -0.19 73
IV.MF5.EHZ. 2020-09-05T23:12:25.17 0.1 undecidable manual P 56 28.2495 50 0.08 98
IV.GUMA.HHZ. 2020-09-05T23:12:25.17 0.3 undecidable manual P 29 27.3504 50 0.21 72
IV.LNSS.HNZ. 2020-09-05T23:12:25.22 0.1 undecidable manual P 201 29.1486 50 -0.01 100
IV.GAVE.HNZ. 2020-09-05T23:12:25.06 0.3 undecidable manual P 233 28.3494 50 -0.04 74
IV.SMA1.EHZ. 2020-09-05T23:12:24.68 0.3 undecidable manual P 151 27.5502 50 -0.31 70
IV.MMO1.EHZ. 2020-09-05T23:12:24.89 0.3 undecidable manual S 66 13.9749 126 -0.26 73
IV.CSP1.EHZ. 2020-09-05T23:12:24.74 0.1 undecidable manual P 6 27.2505 50 -0.2 96
IV.CESI.HHZ. 2020-09-05T23:12:24.99 0.1 undecidable manual P 309 27.75 50 -0.03 99
IV.T1299.EHZ. 2020-09-05T23:12:24.52 0.3 undecidable manual P 159 25.3524 50 -0.12 73
IT.MTCL.HGZ. 2020-09-05T23:12:23.87 0.1 undecidable manual P 320 21.3675 115 -0.05 100
IV.MC2.EHZ. 2020-09-05T23:12:23.72 0.3 undecidable manual S 12 7.2927 144 0.23 74
IV.FDMO.HHZ. 2020-09-05T23:12:23.89 0.1 undecidable manual P 342 22.0668 114 -0.15 98
IV.NRCA.HNZ. 2020-09-05T23:12:23.18 0.3 undecidable manual S 251 4.7952 154 0.13 76
IV.MMO1.EHZ. 2020-09-05T23:12:22.50 0.1 undecidable manual P 66 13.9749 126 -0.13 100
IV.NRCA.HNZ. 2020-09-05T23:12:21.70 0.1 undecidable manual P 251 4.7952 154 0.29 98
IV.MC2.EHZ. 2020-09-05T23:12:21.95 0.3 undecidable manual P 12 7.2927 144 0.28 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.2 0.0000110067525 0.2304 AML other m 2020-09-05T23:12:28.15
IV.FDMO.HHN. ML:0.4 0.000014379719999999999 0.2176 AML other m 2020-09-05T23:12:28.73
IV.CSP1.EHN. ML:0.3 0.000010105651 1.7824 AML other m 2020-09-05T23:12:29.90
IV.CESI.HHN. ML:1.0 0.00005663953 0.1536 AML other m 2020-09-05T23:12:29.66
IV.CSP1.EHE. ML:0.7 0.0000248223585 0.2048 AML other m 2020-09-05T23:12:29.74
IV.CESI.HHE. ML:0.6 0.000019243335 0.1792 AML other m 2020-09-05T23:12:29.78
IV.SMA1.EHE. ML:0.3 0.000008473461999999999 0.1152 AML other m 2020-09-05T23:12:30.14
IV.SMA1.EHN. ML:0.3 0.0000093109785 0.2688 AML other m 2020-09-05T23:12:31.26
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