Earthquake with magnitude of ML 0.8 on date 29-01-2021 and time 07:17:32 (UTC) in region 4 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 0.8 earthquake occured in region: 4 km SE Castelsantangelo sul Nera (MC), on

  • 29-01-2021 07:17:32 (UTC)
  • 29-01-2021 08:17:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8660, 13.1810 at 9 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
Castelsantangelo sul Nera MC 4 281 281
Ussita MC 10 444 725
Visso MC 11 1107 1832
Norcia PG 11 4957 6789
Preci PG 12 724 7513
Montemonaco AP 13 604 8117
Montegallo AP 13 523 8640
Arquata del Tronto AP 14 1178 9818
Bolognola MC 15 142 9960
Montefortino FM 16 1178 11138
Acquacanina MC 18 121 11259
Fiastra MC 19 559 11818
Amandola FM 19 3629 15447
Accumoli RI 20 667 16114

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km E of Foligno (57155 inhabitants)
49 Km W of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
60 Km NW of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
96 Km W of Pescara (121014 inhabitants)
99 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
Bulletin
Rev1000
ML 0.8 2021-01-29
07:17:32
42.8657 13.1812 9 2021-07-12
16:54:58
Bollettino Sismico Italiano INGV 86966331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-29 07:17:32 ± 0.05
Latitude 42.8657 ± 0.0018
Longitude 13.1812 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86966331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 270
Semi-minor axis of confidence ellipse (meter) 54
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 53
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45236
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.0
Num. used stations 2
Type of magnitude ML
Reference to an origin 86966331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-09 11:17:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIUL.HHZ. 2021-01-29T07:18:16.02 3.0 undecidable manual S 0.19 0
IV.SRES.HHZ. 2021-01-29T07:17:59.81 3.0 undecidable manual S -2.05 0
IV.TERO.HHZ. 2021-01-29T07:17:46.87 0.3 undecidable manual S 128 43.7229 50 -0.21 71
IV.LNSS.HNZ. 2021-01-29T07:17:44.12 0.3 undecidable manual S 202 31.3464 50 0.35 71
IV.SMA1.EHZ. 2021-01-29T07:17:43.26 0.6 undecidable manual S 154 28.9488 107 0.23 48
IV.GUMA.HNZ. 2021-01-29T07:17:42.15 0.3 undecidable manual S 30 25.1526 110 0.37 72
IV.MOMA.HNZ. 2021-01-29T07:17:42.00 0.6 undecidable manual P 262 50.2164 50 0.09 49
IV.CESI.HHZ. 2021-01-29T07:17:42.24 0.3 undecidable manual S 305 27.2505 108 -0.22 74
IV.CSP1.EHZ. 2021-01-29T07:17:41.56 0.6 undecidable manual S 4 25.1526 110 -0.22 49
IV.ASSB.HHN. 2021-01-29T07:17:41.63 0.3 undecidable manual P 295 46.7199 50 0.25 71
IV.TERO.HHZ. 2021-01-29T07:17:40.72 0.3 undecidable manual P 128 43.7229 50 -0.19 71
IV.MNTT.EHZ. 2021-01-29T07:17:40.29 0.6 undecidable manual P 57 40.1265 50 -0.06 49
IV.FDMO.HHZ. 2021-01-29T07:17:40.02 0.6 undecidable manual S 338 20.4684 114 -0.23 50
IV.MTRA.EHZ. 2021-01-29T07:17:40.63 0.3 undecidable manual S 125 21.2676 113 0.1 76
IV.SMA1.EHZ. 2021-01-29T07:17:38.33 0.3 undecidable manual P 154 28.9488 107 -0.25 73
IV.LNSS.HNZ. 2021-01-29T07:17:38.88 0.3 undecidable manual P 202 31.3464 50 -0.12 74
IV.MF5.EHZ. 2021-01-29T07:17:38.20 0.3 undecidable manual P 59 26.3514 109 0.11 75
IV.GUMA.HNZ. 2021-01-29T07:17:38.01 0.1 undecidable manual P 30 25.1526 110 0.15 100
IV.GAVE.EHN. 2021-01-29T07:17:38.79 0.3 undecidable manual P 231 30.2475 107 -0.04 76
IV.CESI.HHZ. 2021-01-29T07:17:38.39 0.3 undecidable manual P 305 27.2505 108 0.14 75
IV.CSP1.EHZ. 2021-01-29T07:17:37.95 0.3 undecidable manual P 4 25.1526 110 0.09 76
IV.MTRA.EHZ. 2021-01-29T07:17:37.11 0.3 undecidable manual P 125 21.2676 113 -0.03 78
IV.MMO1.EHZ. 2021-01-29T07:17:37.58 0.3 undecidable manual S 72 12.3765 126 -0.25 75
IV.NRCA.HNZ. 2021-01-29T07:17:36.13 0.6 undecidable manual S 237 6.4935 144 -0.24 51
IV.FDMO.HHZ. 2021-01-29T07:17:36.89 0.3 undecidable manual P 338 20.4684 114 -0.08 77
IV.MMO1.EHZ. 2021-01-29T07:17:35.61 0.3 undecidable manual P 72 12.3765 126 0.03 78
IV.NRCA.HNZ. 2021-01-29T07:17:34.86 0.3 undecidable manual P 237 6.4935 144 0.13 77
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.8 0.000046450000000000004 0.62 AML other m 2021-01-29T07:17:40.96
IV.FDMO.HHN. ML:0.7 0.0000402 0.46 AML other m 2021-01-29T07:17:42.28
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