Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 15-03-2021 and time 03:09:59 (Italy) in region 2 km NE Castelsantangelo sul Nera (MC)

A magnitude ML 2.1 earthquake occured in region: 2 km NE Castelsantangelo sul Nera (MC), on

  • 15-03-2021 02:09:59 (UTC)
  • 15-03-2021 03:09:59 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9140, 13.1630 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.

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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 2 281 281
Ussita MC 4 444 725
Visso MC 6 1107 1832
Bolognola MC 11 142 1974
Preci PG 11 724 2698
Acquacanina MC 13 121 2819
Montemonaco AP 14 604 3423
Fiastra MC 14 559 3982
Norcia PG 15 4957 8939
Fiordimonte MC 15 202 9141
Montefortino FM 15 1178 10319
Monte Cavallo MC 16 145 10464
Montegallo AP 16 523 10987
Pieve Torina MC 17 1458 12445
Amandola FM 18 3629 16074
Sarnano MC 18 3264 19338
Pievebovigliana MC 18 866 20204
Arquata del Tronto AP 19 1178 21382
Sellano PG 19 1079 22461

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km E of Foligno (57155 inhabitants)
53 Km NW of Teramo (54892 inhabitants)
58 Km NE of Terni (111501 inhabitants)
65 Km NW of L'Aquila (69753 inhabitants)
67 Km E of Perugia (166134 inhabitants)
83 Km SW of Ancona (100861 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
99 Km NW 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 2021-03-15
02:09:59		 42.9137 13.1628 8 2021-07-12
16:55:15		 Bollettino Sismico Italiano INGV 91485721
Reviewed
Rev100 		ML 2.1 2021-03-15
02:09:59		 42.9158 13.1608 9 2021-03-15
02:19:07		 Sala Sismica INGV-Roma 88144461
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-15 02:09:59 ± 0.05
Latitude 42.9137 ± 0.0027
Longitude 13.1628 ± 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 91485721

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 307
Semi-minor axis of confidence ellipse (meter) 282
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 40
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 40
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.01889
Epicentral distance of station farthest from the epicenter (degree) 0.81928
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 48
Type of magnitude ML
Reference to an origin 91485721
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-06-18 09:22:40

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 48
Type of magnitude ML
Reference to an origin 88144461
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-15 02:19:07
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESX.HHZ. 2021-03-15T02:10:18.31 0.6 undecidable manual S 234 57.8976 50 0.6 40
IV.ATCC.EHZ. 2021-03-15T02:10:16.96 0.6 undecidable manual S 306 52.0035 50 0.81 37
IV.T0110.HHZ. 2021-03-15T02:10:14.92 0.3 undecidable manual P 146 90.9423 50 -0.06 65
IV.FAGN.HHZ. 2021-03-15T02:10:13.81 0.6 undecidable manual P 154 79.6647 50 0.57 39
IV.GAVE.EHZ. 2021-03-15T02:10:11.23 0.3 undecidable manual S 222 32.8449 104 0.27 69
IV.SMA1.EHZ. 2021-03-15T02:10:11.42 0.3 undecidable manual S 156 34.4433 50 -0.03 72
IV.ATFO.HHZ. 2021-03-15T02:10:11.58 0.3 undecidable manual P 317 69.375 50 -0.08 67
IV.LNSS.HHZ. 2021-03-15T02:10:11.70 0.3 undecidable manual S 196 35.9418 50 -0.14 70
IV.ARVD.HHZ. 2021-03-15T02:10:11.04 0.3 undecidable manual P 345 67.2771 50 -0.29 65
IV.SSFR.HHZ. 2021-03-15T02:10:10.94 0.3 undecidable manual P 332 65.6898 50 -0.14 67
IV.MURB.HHZ. 2021-03-15T02:10:10.91 0.1 undecidable manual P 307 64.5909 50 -0.01 92
IV.MF5.EHZ. 2021-03-15T02:10:09.01 0.6 undecidable manual S 71 25.4523 108 0.53 44
IV.MML1.HNE. 2021-03-15T02:10:09.52 0.6 undecidable manual S 325 27.0507 107 0.51 44
IV.CESX.HHZ. 2021-03-15T02:10:09.75 0.3 undecidable manual P 234 57.8976 50 -0.13 68
IV.MTRA.EHZ. 2021-03-15T02:10:09.11 0.6 undecidable manual S 132 25.752 108 0.53 44
IV.MOMA.HHZ. 2021-03-15T02:10:08.69 0.3 undecidable manual P 256 49.7169 50 0.06 70
IV.TERO.HHZ. 2021-03-15T02:10:08.19 0.3 undecidable manual P 132 48.3183 50 -0.22 68
IV.CESI.HHZ. 2021-03-15T02:10:08.14 0.3 undecidable manual S 296 23.2545 110 0.38 69
IV.FOSV.EHZ. 2021-03-15T02:10:08.94 0.3 undecidable manual P 323 53.3022 50 -0.25 67
IV.ATCC.EHZ. 2021-03-15T02:10:08.86 0.1 undecidable manual P 306 52.0035 50 -0.12 92
IV.EL6.EHZ. 2021-03-15T02:10:07.71 0.1 undecidable manual P 354 46.4202 50 -0.4 87
IV.GUMA.HHZ. 2021-03-15T02:10:07.90 0.6 undecidable manual S 40 21.6672 111 0.67 42
IV.MNTT.EHZ. 2021-03-15T02:10:07.58 0.3 undecidable manual P 65 38.8278 50 0.64 62
IV.RM33.EHZ. 2021-03-15T02:10:07.76 0.3 undecidable manual P 175 45.1215 50 -0.15 69
IV.CSP1.EHZ. 2021-03-15T02:10:06.52 0.6 undecidable manual S 10 20.0688 112 -0.2 48
IV.LNSS.HHZ. 2021-03-15T02:10:06.33 0.3 undecidable manual P 196 35.9418 50 -0.17 70
IT.MTCL.HGZ. 2021-03-15T02:10:05.26 0.6 undecidable manual S 304 15.9729 117 -0.18 48
IV.GAVE.EHZ. 2021-03-15T02:10:05.82 0.1 undecidable manual P 222 32.8449 104 -0.16 94
IV.SMA1.EHZ. 2021-03-15T02:10:05.98 0.1 undecidable manual P 156 34.4433 50 -0.29 91
IV.MTRA.EHZ. 2021-03-15T02:10:04.57 0.1 undecidable manual P 132 25.752 108 -0.04 98
IV.MF5.EHZ. 2021-03-15T02:10:04.92 0.1 undecidable manual P 71 25.4523 108 0.37 91
IV.MML1.HNE. 2021-03-15T02:10:04.61 0.1 undecidable manual P 325 27.0507 107 -0.25 93
IV.FEMA.HNZ. 2021-03-15T02:10:04.11 0.6 undecidable manual S 300 10.6782 128 0.24 48
IV.GUMA.HHZ. 2021-03-15T02:10:04.08 0.1 undecidable manual P 40 21.6672 111 0.25 94
IV.MMO1.EHZ. 2021-03-15T02:10:04.49 0.6 undecidable manual S 97 13.3755 122 -0.17 49
IV.CESI.HHZ. 2021-03-15T02:10:04.17 0.3 undecidable manual P 296 23.2545 110 0.03 74
IV.MDAR.HNN. 2021-03-15T02:10:04.96 0.6 undecidable manual P 357 31.0467 105 -0.66 41
IV.NRCA.HNZ. 2021-03-15T02:10:03.86 0.6 undecidable manual S 204 9.6792 130 0.24 48
IV.CSP1.EHZ. 2021-03-15T02:10:03.40 0.1 undecidable manual P 10 20.0688 112 -0.14 97
IV.MMO1.EHZ. 2021-03-15T02:10:02.41 0.1 undecidable manual P 97 13.3755 122 0.06 99
IT.MTCL.HGZ. 2021-03-15T02:10:02.79 0.1 undecidable manual P 304 15.9729 117 -0.01 100
IV.FEMA.HNZ. 2021-03-15T02:10:02.05 0.1 undecidable manual P 300 10.6782 128 0.16 98
IV.MC2.EHZ. 2021-03-15T02:10:01.27 0.3 undecidable manual S 97 2.0979 166 -0.89 59
IV.NRCA.HNZ. 2021-03-15T02:10:01.95 0.1 undecidable manual P 204 9.6792 130 0.2 97
IV.MC2.EHZ. 2021-03-15T02:10:00.52 0.1 undecidable manual P 97 2.0979 166 -0.38 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:2.5 0.004585 0.5 AML other m 2021-03-15T02:10:04.36
IV.NRCA.HHN. ML:2.5 0.004640000000000001 0.48 AML other m 2021-03-15T02:10:04.35
IV.NRCA.HHE. ML:2.8 0.008115 0.18 AML other m 2021-03-15T02:10:04.16
IV.NRCA.HNE. ML:2.7 0.0076 0.16 AML other m 2021-03-15T02:10:04.17
IV.FEMA.HNE. ML:2.4 0.003765 0.22 AML other m 2021-03-15T02:10:04.50
IV.FEMA.HNN. ML:2.4 0.003685 0.26 AML other m 2021-03-15T02:10:04.67
IV.CSP1.EHN. ML:2.2 0.0013599999999999999 0.32 AML other m 2021-03-15T02:10:07.58
IV.CSP1.EHE. ML:2.1 0.0010465 1.08 AML other m 2021-03-15T02:10:07.87
IV.CESI.HHE. ML:2.0 0.0006465 0.42 AML other m 2021-03-15T02:10:08.68
IV.GUMA.HHN. ML:2.4 0.0016899999999999999 0.36 AML other m 2021-03-15T02:10:08.99
IV.GUMA.HNN. ML:2.2 0.001286 0.32 AML other m 2021-03-15T02:10:08.98
IV.CESI.HHN. ML:2.1 0.000778 0.56 AML other m 2021-03-15T02:10:08.63
IV.MTRA.EHE. ML:2.0 0.0006115 1.5 AML other m 2021-03-15T02:10:09.24
IV.MTRA.HNN. ML:2.3 0.00115 1.6 AML other m 2021-03-15T02:10:11.98
IV.MTRA.EHN. ML:2.3 0.0011899999999999999 1.62 AML other m 2021-03-15T02:10:11.99
IV.GUMA.HNE. ML:2.3 0.001315 0.58 AML other m 2021-03-15T02:10:11.21
IV.GUMA.HHE. ML:2.2 0.00124 1.3 AML other m 2021-03-15T02:10:11.32
IV.GAVE.EHE. ML:2.3 0.0008505 0.46 AML other m 2021-03-15T02:10:13.26
IV.LNSS.HHE. ML:2.0 0.00038250000000000003 0.46 AML other m 2021-03-15T02:10:13.26
IV.MTRA.HNE. ML:2.0 0.0006305000000000001 0.46 AML other m 2021-03-15T02:10:13.77
IV.LNSS.HHN. ML:1.8 0.00027449999999999995 0.6 AML other m 2021-03-15T02:10:14.41
IV.GAVE.EHN. ML:2.1 0.000624 0.36 AML other m 2021-03-15T02:10:14.74
IV.MF5.EHE. ML:2.0 0.0005834999999999999 0.42 AML other m 2021-03-15T02:10:14.98
IV.RM33.EHN. ML:1.8 0.0001865 0.28 AML other m 2021-03-15T02:10:15.76
IV.MF5.EHN. ML:2.0 0.0005565 0.42 AML other m 2021-03-15T02:10:16.02
IV.MNTT.EHE. ML:2.3 0.0007424999999999999 0.98 AML other m 2021-03-15T02:10:16.94
IV.MNTT.EHN. ML:2.3 0.0007044999999999999 0.56 AML other m 2021-03-15T02:10:16.60
IV.RM33.EHE. ML:1.9 0.00023999999999999998 0.52 AML other m 2021-03-15T02:10:17.36
IV.ATCC.EHN. ML:1.9 0.00020400000000000003 0.84 AML other m 2021-03-15T02:10:17.73
IV.MOMA.HHE. ML:2.0 0.000286 0.94 AML other m 2021-03-15T02:10:17.39
IV.FOSV.EHN. ML:1.8 0.0001705 0.66 AML other m 2021-03-15T02:10:17.96
IV.MOMA.HHN. ML:1.8 0.0001495 1.24 AML other m 2021-03-15T02:10:18.20
IV.SMA1.EHE. ML:2.1 0.0005085 0.42 AML other m 2021-03-15T02:10:18.22
IV.TERO.HHN. ML:1.9 0.0002 0.34 AML other m 2021-03-15T02:10:18.79
IV.TERO.HHE. ML:1.8 0.000161 1.24 AML other m 2021-03-15T02:10:19.10
IV.ATCC.EHE. ML:2.0 0.00026849999999999997 0.96 AML other m 2021-03-15T02:10:20.51
IV.FOSV.EHE. ML:1.8 0.0001337 0.96 AML other m 2021-03-15T02:10:20.97
IV.SMA1.EHN. ML:2.0 0.0004645 0.48 AML other m 2021-03-15T02:10:20.77
IV.CESX.HHE. ML:2.0 0.0001985 0.66 AML other m 2021-03-15T02:10:20.51
IV.CESX.HHN. ML:1.8 0.0001565 0.42 AML other m 2021-03-15T02:10:21.34
IV.SSFR.HHE. ML:2.0 0.000201 0.7 AML other m 2021-03-15T02:10:21.56
IV.SSFR.HHN. ML:2.1 0.000231 0.24 AML other m 2021-03-15T02:10:22.44
IV.SSFR.HNE. ML:2.2 0.00028349999999999995 1.08 AML other m 2021-03-15T02:10:23.42
IV.MURB.HHE. ML:2.2 0.00026949999999999994 0.32 AML other m 2021-03-15T02:10:24.42
IV.MURB.HHN. ML:2.1 0.00024249999999999999 1.08 AML other m 2021-03-15T02:10:25.10
IV.SSFR.HNN. ML:2.2 0.0002605 1.34 AML other m 2021-03-15T02:10:25.12
IV.FAGN.HHN. ML:1.9 0.00011649999999999999 0.76 AML other m 2021-03-15T02:10:28.25
IV.FAGN.HHE. ML:2.1 0.00016299999999999998 0.88 AML other m 2021-03-15T02:10:28.45
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
Waveforms Seismic signals in miniseed + resp format Download