Earthquake with magnitude of ML 1.2 on date 22-01-2021 and time 00:17:49 (UTC) in region 4 km S Castelsantangelo sul Nera (MC)

A magnitude ML 1.2 earthquake occured in region: 4 km S Castelsantangelo sul Nera (MC), on

  • 22-01-2021 00:17:49 (UTC)
  • 22-01-2021 01:17:49 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8630, 13.1640 at 10 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
Ussita MC 9 444 725
Norcia PG 10 4957 5682
Visso MC 10 1107 6789
Preci PG 10 724 7513
Montegallo AP 14 523 8036
Montemonaco AP 14 604 8640
Arquata del Tronto AP 15 1178 9818
Bolognola MC 16 142 9960
Montefortino FM 17 1178 11138
Acquacanina MC 19 121 11259
Fiastra MC 19 559 11818
Sellano PG 19 1079 12897
Monte Cavallo MC 20 145 13042
Accumoli RI 20 667 13709

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km E of Foligno (57155 inhabitants)
50 Km W of Teramo (54892 inhabitants)
54 Km NE of Terni (111501 inhabitants)
60 Km NW of L'Aquila (69753 inhabitants)
69 Km E of Perugia (166134 inhabitants)
89 Km SW of Ancona (100861 inhabitants)
89 Km W of Montesilvano (53738 inhabitants)
97 Km W of Pescara (121014 inhabitants)
100 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 1.2 2021-01-22
00:17:49
42.8628 13.1638 10 2021-01-22
00:24:45
Sala Sismica INGV-Roma 86442331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-22 00:17:49 ± 0.04
Latitude 42.8628 ± 0.0018
Longitude 13.1638 ± 0.0037
Depth (km) 10 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86442331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 276
Semi-minor axis of confidence ellipse (meter) 200
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 280.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 76
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.04676
Epicentral distance of station farthest from the epicenter (degree) 0.40290
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 86442331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-22 00:24:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHN. 2021-01-22T00:18:04.32 0.1 undecidable manual S 126 44.7219 50 0.01 95
IV.CAMP.HHN. 2021-01-22T00:18:03.27 0.1 undecidable manual S 151 41.4252 50 -0.18 92
IV.RM33.HNZ. 2021-01-22T00:18:02.87 0.1 undecidable manual S 174 39.5271 50 -0.06 95
IV.LNSS.HHZ. 2021-01-22T00:18:00.53 0.1 undecidable manual S 199 30.5472 50 -0.01 97
IV.GAVE.HNZ. 2021-01-22T00:18:00.10 0.3 undecidable manual S 229 28.9488 50 -0.03 73
IV.T1299.EHE. 2021-01-22T00:18:00.06 0.1 undecidable manual S 159 27.1506 50 0.43 90
IV.SMA1.EHZ. 2021-01-22T00:18:00.15 0.3 undecidable manual S 151 29.3484 50 -0.07 72
IV.CESI.HHZ. 2021-01-22T00:17:59.35 0.1 undecidable manual S 307 26.2515 50 -0.06 97
IV.GUMA.HHN. 2021-01-22T00:17:59.68 0.1 undecidable manual S 32 26.1516 50 0.31 92
IV.TERO.HHN. 2021-01-22T00:17:58.31 0.6 undecidable manual P 126 44.7219 50 0.17 46
IV.CAMP.HHN. 2021-01-22T00:17:57.44 0.3 undecidable manual P 151 41.4252 50 -0.2 69
IT.MTCL.HGE. 2021-01-22T00:17:57.19 0.1 undecidable manual S 317 19.7691 117 -0.21 95
IV.RM33.HNZ. 2021-01-22T00:17:57.28 0.3 undecidable manual P 174 39.5271 50 -0.06 71
IV.MTRA.EHZ. 2021-01-22T00:17:57.88 0.1 undecidable manual S 122 22.2555 114 -0.32 92
IV.FDMO.HHZ. 2021-01-22T00:17:57.48 0.1 undecidable manual S 342 20.2686 116 -0.07 98
IV.CESI.HHZ. 2021-01-22T00:17:55.31 0.1 positive manual P 307 26.2515 50 0 98
IV.GUMA.HHN. 2021-01-22T00:17:55.32 0.3 undecidable manual P 32 26.1516 50 0.03 73
IV.MMO1.EHZ. 2021-01-22T00:17:55.66 0.1 undecidable manual S 73 13.875 126 0.01 100
IV.LNSS.HHZ. 2021-01-22T00:17:55.86 0.1 undecidable manual P 199 30.5472 50 -0.1 95
IV.GAVE.HNZ. 2021-01-22T00:17:55.67 0.1 undecidable manual P 229 28.9488 50 -0.05 96
IV.T1299.EHE. 2021-01-22T00:17:55.72 0.3 undecidable manual P 159 27.1506 50 0.28 69
IV.SMA1.EHZ. 2021-01-22T00:17:55.72 0.3 undecidable manual P 151 29.3484 50 -0.06 72
IV.FDMO.HHZ. 2021-01-22T00:17:54.30 0.6 negative manual P 342 20.2686 116 0.06 49
IV.CSP1.EHZ. 2021-01-22T00:17:54.81 0.6 undecidable manual P 7 25.6521 50 -0.39 45
IT.MTCL.HGE. 2021-01-22T00:17:54.13 0.1 undecidable manual P 317 19.7691 117 -0.02 99
IV.MTRA.EHZ. 2021-01-22T00:17:54.41 0.1 undecidable manual P 122 22.2555 114 -0.2 95
IV.NRCA.HNE. 2021-01-22T00:17:53.83 0.1 undecidable manual S 231 5.1948 153 0.19 98
IV.MMO1.EHZ. 2021-01-22T00:17:53.31 0.1 positive manual P 73 13.875 126 0.17 97
IV.NRCA.HNE. 2021-01-22T00:17:52.32 0.1 undecidable manual P 231 5.1948 153 0.34 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.8 0.000046766475 0.14 AML other m 2021-01-22T00:17:57.65
IV.FDMO.HHE. ML:0.7 0.00003848368 0.24 AML other m 2021-01-22T00:17:57.69
IV.CESI.HHN. ML:1.4 0.00013800000000000002 0.16 AML other m 2021-01-22T00:17:59.62
IV.CESI.HHE. ML:1.2 0.0000918 0.22 AML other m 2021-01-22T00:17:59.74
IV.MTRA.EHE. ML:1.2 0.00011347010499999998 0.14 AML other m 2021-01-22T00:17:58.27
IV.MTRA.EHN. ML:1.3 0.0001357181 0.32 AML other m 2021-01-22T00:17:58.55
IV.MTRA.HNE. ML:1.3 0.00012449006 0.29 AML other m 2021-01-22T00:17:58.56
IV.MTRA.HNN. ML:1.4 0.00015579532000000002 0.28 AML other m 2021-01-22T00:17:58.87
IV.CESI.HNN. ML:1.4 0.00015090785 0.18 AML other m 2021-01-22T00:17:59.62
IV.LNSS.HHE. ML:1.3 0.000098334545 0.12 AML other m 2021-01-22T00:18:01.20
IV.LNSS.HHN. ML:1.2 0.00007091744 0.22 AML other m 2021-01-22T00:18:01.00
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