Earthquake with magnitude of ML 1.1 on date 30-11-2021 and time 00:08:46 (Italy) in region 4 km S Castelsantangelo sul Nera (MC)

A magnitude ML 1.1 earthquake occured in region: 4 km S Castelsantangelo sul Nera (MC), on

  • 29-11-2021 23:08:46 (UTC)
  • 30-11-2021 00:08:46 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8560, 13.1580 at 8 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
Castelsantangelo sul Nera MC 4 281 281
Norcia PG 9 4957 5238
Preci PG 10 724 5962
Ussita MC 10 444 6406
Visso MC 10 1107 7513
Montegallo AP 14 523 8036
Arquata del Tronto AP 15 1178 9214
Montemonaco AP 15 604 9818
Bolognola MC 16 142 9960
Montefortino FM 18 1178 11138
Sellano PG 19 1079 12217
Cascia PG 19 3217 15434
Accumoli RI 19 667 16101
Acquacanina MC 19 121 16222
Monte Cavallo MC 20 145 16367
Fiastra MC 20 559 16926

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
50 Km W of Teramo (54892 inhabitants)
53 Km NE of Terni (111501 inhabitants)
60 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
90 Km W of Montesilvano (53738 inhabitants)
90 Km SW of Ancona (100861 inhabitants)
97 Km W of Pescara (121014 inhabitants)
99 Km NE of Viterbo (67173 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 1.1 2021-11-29
23:08:46
42.8565 13.1578 8 2021-11-29
23:17:51
Sala Sismica INGV-Roma 97952511
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-11-29 23:08:46 ± 0.09
Latitude 42.8565 ± 0.0027
Longitude 13.1578 ± 0.0037
Depth (km) 8 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 97952511

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 299
Semi-minor axis of confidence ellipse (meter) 49
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 75
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.03957
Epicentral distance of station farthest from the epicenter (degree) 0.26800
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 97952511
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-11-29 23:17:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-11-29T23:08:55.73 0.3 undecidable manual S 8 26.3514 107 -0.07 98
IV.MTRA.EHZ. 2021-11-29T23:08:54.42 0.3 undecidable manual S 120 22.3554 109 -0.05 99
IV.FDMO.HHZ. 2021-11-29T23:08:53.92 0.6 undecidable manual S 344 20.7681 111 -0.03 67
IV.LNSS.HHZ. 2021-11-29T23:08:52.33 0.6 undecidable manual P 199 29.748 105 -0.08 65
IV.GAVE.HNZ. 2021-11-29T23:08:52.51 0.6 undecidable manual P 230 28.1496 106 0.41 61
IV.MF5.EHZ. 2021-11-29T23:08:52.09 1.0 undecidable manual P 59 28.5492 106 -0.08 33
IV.CSP1.EHZ. 2021-11-29T23:08:51.64 0.6 undecidable manual P 8 26.3514 107 -0.12 65
IV.MMO1.EHZ. 2021-11-29T23:08:51.98 0.6 undecidable manual S 71 14.5743 119 -0.01 68
IV.CESI.HHZ. 2021-11-29T23:08:51.61 0.6 undecidable manual P 309 26.3514 107 -0.14 65
IV.FDMO.HHZ. 2021-11-29T23:08:50.63 1.0 undecidable manual P 344 20.7681 111 -0.06 33
IV.MC2.EHZ. 2021-11-29T23:08:50.04 0.6 undecidable manual S 23 6.5934 140 0.22 66
IV.MTRA.EHZ. 2021-11-29T23:08:50.92 0.3 undecidable manual P 120 22.3554 109 -0.07 99
IV.MMO1.EHZ. 2021-11-29T23:08:49.65 0.6 positive manual P 71 14.5743 119 0.09 67
IV.NRCA.HHZ. 2021-11-29T23:08:49.20 0.3 undecidable manual S 234 4.3956 151 -0.17 100
IV.NRCA.HHZ. 2021-11-29T23:08:48.11 1.0 undecidable manual P 234 4.3956 151 0.06 34
IV.MC2.EHZ. 2021-11-29T23:08:48.55 0.6 negative manual P 23 6.5934 140 0.24 66
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:0.0 0.0009175551500000001 0.064 AML other m 2021-11-29T23:08:49.32
IV.NRCA.HNN. ML:0.0 0.00086296935 0.128 AML other m 2021-11-29T23:08:49.34
IV.MC2.EHE. ML:1.0 0.00019539845 0.2432 AML other m 2021-11-29T23:08:50.94
IV.MC2.EHN. ML:1.2 0.0002925049 0.1792 AML other m 2021-11-29T23:08:50.86
IV.FDMO.HHE. ML:0.5 0.000024404435000000002 0.7808 AML other m 2021-11-29T23:08:53.93
IV.FDMO.HHN. ML:0.7 0.00003713076135 1.0496 AML other m 2021-11-29T23:08:54.25
IV.MTRA.EHE. ML:0.9 0.000056783335 0.1408 AML other m 2021-11-29T23:08:54.45
IV.MTRA.EHN. ML:0.8 0.000042332915 0.1408 AML other m 2021-11-29T23:08:54.76
IV.MTRA.HNE. ML:1.4 0.00017535610000000003 0.8704 AML other m 2021-11-29T23:08:59.71
IV.MTRA.HNN. ML:1.4 0.0001800952 0.832 AML other m 2021-11-29T23:08:54.87
IV.CSP1.EHE. ML:1.3 0.000115203795 0.9344 AML other m 2021-11-29T23:08:55.65
IV.CSP1.EHN. ML:1.3 0.000107839995 1.4464 AML other m 2021-11-29T23:08:55.80
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