Earthquake with magnitude of ML 2.1 on date 21-01-2021 and time 12:16:42 (Italy) in region 1 km N Castelsantangelo sul Nera (MC)

A magnitude ML 2.1 earthquake occured in region: 1 km N Castelsantangelo sul Nera (MC), on

  • 21-01-2021 11:16:42 (UTC)
  • 21-01-2021 12:16:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9020, 13.1540 at 8 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 1 281 281
Ussita MC 5 444 725
Visso MC 6 1107 1832
Preci PG 10 724 2556
Bolognola MC 12 142 2698
Norcia PG 13 4957 7655
Montemonaco AP 14 604 8259
Acquacanina MC 14 121 8380
Fiastra MC 15 559 8939
Montegallo AP 16 523 9462
Montefortino FM 16 1178 10640
Fiordimonte MC 16 202 10842
Monte Cavallo MC 16 145 10987
Pieve Torina MC 18 1458 12445
Sellano PG 19 1079 13524
Arquata del Tronto AP 19 1178 14702
Amandola FM 19 3629 18331
Pievebovigliana MC 19 866 19197
Sarnano MC 19 3264 22461

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
52 Km NW of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
66 Km E of Perugia (166134 inhabitants)
85 Km SW of Ancona (100861 inhabitants)
92 Km W of Montesilvano (53738 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 2.1 2021-01-21
11:16:42
42.9022 13.1543 8 2021-07-12
16:55:05
Bollettino Sismico Italiano INGV 88755971
Reviewed
Rev100
ML 2.1 2021-01-21
11:16:42
42.9028 13.1552 7 2021-01-21
11:23:17
Sala Sismica INGV-Roma 86429181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-21 11:16:42 ± 0.05
Latitude 42.9022 ± 0.0027
Longitude 13.1543 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 88755971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 300
Semi-minor axis of confidence ellipse (meter) 194
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 261
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) 69
Number of associated phases, regardless of their use for origin computation 56
Number of defining phases 56
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.81299
Number of stations at which the event was observed 32
Number of stations from which data was used for origin computation 32
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 88755971
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-04-04 02:16:04

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 86429181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-21 11:23:17
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2021-01-21T11:17:04.55 0.3 undecidable manual S 345 68.2761 50 0.71 57
IV.ATCC.EHZ. 2021-01-21T11:17:00.25 0.6 undecidable manual S 307 52.2033 50 0.71 39
IV.ARRO.EHZ. 2021-01-21T11:16:58.61 0.6 undecidable manual S 222 47.8188 50 0.23 45
IV.EL6.EHE. 2021-01-21T11:16:58.37 0.6 undecidable manual S 355 47.619 50 0.06 47
IV.T0110.HHZ. 2021-01-21T11:16:58.18 0.3 undecidable manual P 146 90.243 50 0 66
IV.TERO.HHZ. 2021-01-21T11:16:58.48 0.6 undecidable manual S 130 48.0186 50 0.06 47
IV.FAGN.HHZ. 2021-01-21T11:16:57.15 0.6 undecidable manual P 153 78.8655 50 0.74 37
IV.RM33.HNE. 2021-01-21T11:16:57.76 0.6 undecidable manual S 174 43.9227 50 0.43 44
IV.CAMP.HHE. 2021-01-21T11:16:57.72 0.6 undecidable manual S 153 45.621 50 -0.07 47
IV.PIEI.HHZ. 2021-01-21T11:16:57.55 0.6 undecidable manual P 325 86.247 50 -0.01 44
IV.ASSB.HHZ. 2021-01-21T11:16:57.20 0.6 undecidable manual S 291 43.1235 50 0.07 47
IV.GAVE.EHZ. 2021-01-21T11:16:54.27 0.3 undecidable manual S 222 31.4463 104 0.6 64
IV.SMA1.EHZ. 2021-01-21T11:16:54.25 0.3 undecidable manual S 154 33.5442 103 -0.12 71
IV.LNSS.HHZ. 2021-01-21T11:16:54.98 0.3 undecidable manual S 196 34.4433 103 0.3 69
IV.ARVD.HHZ. 2021-01-21T11:16:54.69 1.0 undecidable manual P 345 68.2761 50 -0.1 22
IV.SAP2.EHZ. 2021-01-21T11:16:53.58 0.3 undecidable manual S 43 29.3484 105 0.64 63
IV.CING.HNZ. 2021-01-21T11:16:52.00 0.1 undecidable manual P 4 52.6029 50 -0.37 87
IV.MF5.EHZ. 2021-01-21T11:16:52.81 0.3 undecidable manual S 69 26.5512 106 0.79 59
IV.CESI.HHZ. 2021-01-21T11:16:51.09 0.3 undecidable manual S 299 23.2545 108 0.16 72
IV.TERO.HHZ. 2021-01-21T11:16:51.16 0.3 undecidable manual P 130 48.0186 50 -0.49 64
IV.FIU1.HNZ. 2021-01-21T11:16:51.18 1.0 undecidable manual P 330 36.5412 50 1.29 15
IV.GUMA.HHZ. 2021-01-21T11:16:51.27 0.3 undecidable manual S 39 23.0547 109 0.41 68
IV.ATCC.EHZ. 2021-01-21T11:16:51.99 0.3 undecidable manual P 307 52.2033 50 -0.32 66
IV.ARRO.EHZ. 2021-01-21T11:16:51.37 1.0 undecidable manual P 222 47.8188 50 -0.26 22
IV.MNTT.EHZ. 2021-01-21T11:16:51.09 0.6 undecidable manual P 64 39.9267 50 0.67 41
IV.MTRA.EHZ. 2021-01-21T11:16:51.99 0.3 undecidable manual S 129 25.4523 107 0.33 69
IV.EL6.EHE. 2021-01-21T11:16:51.01 0.1 undecidable manual P 355 47.619 50 -0.58 83
IV.PF6.EHN. 2021-01-21T11:16:51.66 0.6 undecidable manual S 7 26.3514 106 -0.29 47
IV.CAMP.HHE. 2021-01-21T11:16:50.80 0.1 undecidable manual P 153 45.621 50 -0.49 86
IV.ASSB.HHZ. 2021-01-21T11:16:50.50 0.3 undecidable manual P 291 43.1235 50 -0.41 66
IV.RM33.HNE. 2021-01-21T11:16:50.70 0.1 undecidable manual P 174 43.9227 50 -0.33 89
IV.CSP1.EHZ. 2021-01-21T11:16:50.28 0.3 undecidable manual S 11 21.4674 110 -0.05 74
IV.LNSS.HHZ. 2021-01-21T11:16:49.41 0.1 undecidable manual P 196 34.4433 103 -0.09 95
IV.T1299.HNN. 2021-01-21T11:16:48.82 0.1 undecidable manual P 161 31.5462 104 -0.1 96
IV.MF5.EHZ. 2021-01-21T11:16:48.24 0.1 undecidable manual P 69 26.5512 106 0.28 93
IV.MMO1.EHZ. 2021-01-21T11:16:48.00 0.6 undecidable manual S 91 13.9749 119 0.02 50
IT.MTCL.HGZ. 2021-01-21T11:16:48.84 0.6 undecidable manual S 309 16.1727 116 0.19 48
IV.GAVE.EHZ. 2021-01-21T11:16:48.90 0.1 undecidable manual P 222 31.4463 104 -0.02 97
IV.FDMO.HHZ. 2021-01-21T11:16:48.70 0.6 undecidable manual S 340 15.873 116 0.15 49
IV.SAP2.EHZ. 2021-01-21T11:16:48.56 1.0 undecidable manual P 43 29.3484 105 0.06 24
IV.SMA1.EHZ. 2021-01-21T11:16:48.96 0.1 undecidable manual P 154 33.5442 103 -0.36 90
IV.MTRA.EHZ. 2021-01-21T11:16:47.76 0.1 positive manual P 129 25.4523 107 0.01 99
IV.FEMA.HNZ. 2021-01-21T11:16:47.26 0.3 undecidable manual S 308 10.7781 126 0.23 72
IV.PF6.EHN. 2021-01-21T11:16:47.62 0.1 undecidable manual P 7 26.3514 106 -0.3 93
IV.CESI.HHZ. 2021-01-21T11:16:47.33 0.1 negative manual P 299 23.2545 108 0 99
IV.MML1.HNE. 2021-01-21T11:16:47.79 0.1 undecidable manual P 328 27.75 106 -0.4 91
IV.GUMA.HHZ. 2021-01-21T11:16:47.36 0.1 undecidable manual P 39 23.0547 109 0.06 98
IV.CSP1.EHZ. 2021-01-21T11:16:46.79 0.1 undecidable manual P 11 21.4674 110 -0.19 96
IV.NRCA.HNZ. 2021-01-21T11:16:46.67 0.6 undecidable manual S 203 8.2806 133 0.31 48
IV.FDMO.HHZ. 2021-01-21T11:16:45.77 0.1 negative manual P 340 15.873 116 -0.19 97
IV.NRCA.HNZ. 2021-01-21T11:16:45.02 0.1 negative manual P 203 8.2806 133 0.33 95
IV.FEMA.HNZ. 2021-01-21T11:16:45.18 0.1 undecidable manual P 308 10.7781 126 0.1 99
IV.MMO1.EHZ. 2021-01-21T11:16:45.59 0.1 negative manual P 91 13.9749 119 -0.04 100
IT.MTCL.HGZ. 2021-01-21T11:16:45.96 1.0 undecidable manual P 309 16.1727 116 -0.05 25
IV.MC2.EHZ. 2021-01-21T11:16:44.54 0.3 undecidable manual S 70 2.997 159 -0.76 62
IV.MC2.EHZ. 2021-01-21T11:16:43.63 0.1 positive manual P 70 2.997 159 -0.46 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:2.8 0.011075 0.18 AML other m 2021-01-21T11:16:46.90
IV.NRCA.HNE. ML:2.8 0.010725000000000002 0.16 AML other m 2021-01-21T11:16:46.90
IV.NRCA.HNN. ML:2.5 0.005125 0.18 AML other m 2021-01-21T11:16:46.86
IV.NRCA.HHN. ML:2.5 0.005555 0.18 AML other m 2021-01-21T11:16:46.86
IV.FEMA.HNN. ML:2.2 0.00218 0.94 AML other m 2021-01-21T11:16:47.99
IV.FEMA.HNE. ML:2.3 0.0025099999999999996 0.16 AML other m 2021-01-21T11:16:47.74
IV.FDMO.HHN. ML:2.2 0.001465 0.18 AML other m 2021-01-21T11:16:49.66
IV.FDMO.HHE. ML:2.1 0.0012749999999999999 0.34 AML other m 2021-01-21T11:16:50.40
IV.CSP1.EHE. ML:2.2 0.00124 0.22 AML other m 2021-01-21T11:16:51.19
IV.GUMA.HNN. ML:2.4 0.001615 0.3 AML other m 2021-01-21T11:16:51.46
IV.GUMA.HHE. ML:2.3 0.001286 0.28 AML other m 2021-01-21T11:16:51.58
IV.CSP1.EHN. ML:2.4 0.0017800000000000001 0.5 AML other m 2021-01-21T11:16:51.59
IV.CESI.HHN. ML:2.1 0.0007585 1.64 AML other m 2021-01-21T11:16:51.94
IV.GUMA.HHN. ML:2.4 0.001835 0.36 AML other m 2021-01-21T11:16:52.18
IV.GUMA.HNE. ML:2.3 0.0013199999999999998 1.06 AML other m 2021-01-21T11:16:52.19
IV.CESI.HHE. ML:1.9 0.000594 0.3 AML other m 2021-01-21T11:16:53.22
IV.MTRA.HNN. ML:2.0 0.0006325 0.58 AML other m 2021-01-21T11:16:53.35
IV.MTRA.HNE. ML:2.1 0.0007624999999999999 0.44 AML other m 2021-01-21T11:16:53.61
IV.MTRA.EHE. ML:2.1 0.0007335 0.44 AML other m 2021-01-21T11:16:53.61
IV.MF5.EHE. ML:2.0 0.000614 0.8 AML other m 2021-01-21T11:16:54.50
IV.MTRA.EHN. ML:2.0 0.000608 0.38 AML other m 2021-01-21T11:16:54.43
IV.MF5.EHN. ML:1.9 0.000457 0.38 AML other m 2021-01-21T11:16:55.69
IV.SAP2.EHN. ML:2.7 0.00271 0.84 AML other m 2021-01-21T11:16:55.83
IV.GAVE.EHN. ML:2.1 0.0006895 0.46 AML other m 2021-01-21T11:16:56.39
IV.SAP2.EHE. ML:2.0 0.0005340000000000001 0.58 AML other m 2021-01-21T11:16:56.13
IV.LNSS.HHE. ML:1.9 0.0003255 0.68 AML other m 2021-01-21T11:16:56.92
IV.GAVE.EHE. ML:2.1 0.0006745 1.68 AML other m 2021-01-21T11:16:57.07
IV.LNSS.HHN. ML:2.0 0.000422 0.56 AML other m 2021-01-21T11:16:58.28
IV.ASSB.HHN. ML:1.9 0.000265 1.04 AML other m 2021-01-21T11:16:58.06
IV.ASSB.HHE. ML:2.0 0.00031 0.28 AML other m 2021-01-21T11:16:58.59
IV.MNTT.EHN. ML:0.0 0.00075 1.62 AML other m 2021-01-21T11:16:59.87
IV.TERO.HHE. ML:1.7 0.000149 0.5 AML other m 2021-01-21T11:16:59.58
IV.SMA1.EHN. ML:1.8 0.0002945 0.52 AML other m 2021-01-21T11:16:59.94
IV.MNTT.EHE. ML:0.0 0.0012050000000000001 0.18 AML other m 2021-01-21T11:17:00.09
IV.TERO.HHN. ML:1.9 0.000224 0.46 AML other m 2021-01-21T11:17:01.81
IV.ATCC.EHE. ML:2.1 0.00034750000000000004 1.66 AML other m 2021-01-21T11:17:01.12
IV.ATCC.EHN. ML:1.9 0.00018449999999999999 1.2 AML other m 2021-01-21T11:17:02.89
IV.SMA1.EHE. ML:1.9 0.000325 0.42 AML other m 2021-01-21T11:17:02.51
IV.ARVD.HHN. ML:1.5 0.00005435 1.08 AML other m 2021-01-21T11:17:05.33
IV.ARVD.HHE. ML:1.7 0.0000818 0.64 AML other m 2021-01-21T11:17:06.37
IV.PIEI.HHE. ML:1.6 0.000056099999999999995 1.38 AML other m 2021-01-21T11:17:11.01
IV.FAGN.HHN. ML:0.0 0.000158 1.46 AML other m 2021-01-21T11:17:13.03
IV.PIEI.HHN. ML:1.6 0.00004485 0.2 AML other m 2021-01-21T11:17:13.26
IV.FAGN.HHE. ML:0.0 0.00017099999999999998 0.4 AML other m 2021-01-21T11:17:17.23
IV.CESI.HNE. ML:1.9 0.000528756 0.2048 AML other m 2021-01-21T11:16:53.22
IV.CESI.HNN. ML:2.0 0.0006641466 0.224 AML other m 2021-01-21T11:16:52.96
IV.TERO.HNE. ML:2.0 0.0002592231 0.3072 AML other m 2021-01-21T11:16:59.50
IV.TERO.HNN. ML:2.0 0.0002792173 0.4096 AML other m 2021-01-21T11:17:02.57
IV.T0110.HHN. ML:1.8 0.00008176439499999999 0.3392 AML other m 2021-01-21T11:17:13.96
IV.T0110.HHE. ML:1.8 0.00007797599 0.6784 AML other m 2021-01-21T11:17:19.28
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
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