Earthquake with magnitude of ML 1.3 on date 17-03-2021 and time 15:58:15 (Italy) in region 6 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.3 earthquake occured in region: 6 km SE Castelsantangelo sul Nera (MC), on

  • 17-03-2021 14:58:15 (UTC)
  • 17-03-2021 15:58:15 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8650, 13.2120 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 6 281 281
Montemonaco AP 10 604 885
Montegallo AP 10 523 1408
Ussita MC 11 444 1852
Arquata del Tronto AP 12 1178 3030
Norcia PG 13 4957 7987
Visso MC 13 1107 9094
Montefortino FM 14 1178 10272
Preci PG 14 724 10996
Bolognola MC 15 142 11138
Amandola FM 18 3629 14767
Acquacanina MC 19 121 14888
Accumoli RI 19 667 15555
Acquasanta Terme AP 19 2916 18471
Comunanza AP 20 3166 21637
Fiastra MC 20 559 22196

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km E of Foligno (57155 inhabitants)
46 Km NW of Teramo (54892 inhabitants)
57 Km NE of Terni (111501 inhabitants)
59 Km N of L'Aquila (69753 inhabitants)
72 Km E of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
87 Km S of Ancona (100861 inhabitants)
93 Km W of Pescara (121014 inhabitants)
97 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 1.3 2021-03-17
14:58:15
42.8648 13.2122 9 2021-03-17
15:34:03
Sala Sismica INGV-Roma 88219041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-03-17 14:58:15 ± 0.05
Latitude 42.8648 ± 0.0027
Longitude 13.2122 ± 0.0037
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 88219041

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 258
Semi-minor axis of confidence ellipse (meter) 175
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 58
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
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 23
Number of defining phases 21
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) 0.47124
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 11
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 88219041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-03-17 15:34:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2021-03-17T14:58:47.01 3.0 undecidable manual S -0.14 0
IV.CERA.HHZ. 2021-03-17T14:58:42.77 3.0 undecidable manual P 0.75 0
IV.EL6.EHZ. 2021-03-17T14:58:33.29 0.3 undecidable manual S 350 52.3032 50 0.47 64
IV.TERO.HHZ. 2021-03-17T14:58:29.80 0.3 undecidable manual S 130 41.7249 50 -0.19 69
IV.LNSS.HNE. 2021-03-17T14:58:27.58 0.3 undecidable manual S 206 32.2455 105 0.18 71
IV.CESI.HHZ. 2021-03-17T14:58:26.50 0.3 undecidable manual S 302 29.4483 106 0.05 73
IV.CSP1.EHZ. 2021-03-17T14:58:25.13 0.1 undecidable manual S 359 25.1526 109 0.08 97
IV.EL6.EHZ. 2021-03-17T14:58:25.58 0.3 undecidable manual P 350 52.3032 50 -0.06 70
IV.TERO.HHZ. 2021-03-17T14:58:23.73 0.6 undecidable manual P 130 41.7249 50 -0.28 45
IV.MTRA.EHZ. 2021-03-17T14:58:23.16 0.3 undecidable manual S 129 19.1697 114 0.05 74
IV.FDMO.HHN. 2021-03-17T14:58:23.34 1.0 undecidable manual S 332 21.5673 111 -0.53 22
IV.LNSS.HNE. 2021-03-17T14:58:22.43 0.1 undecidable manual P 206 32.2455 105 -0.08 96
IV.MF5.EHZ. 2021-03-17T14:58:21.13 0.3 undecidable manual P 56 24.2535 109 0.15 72
IV.CSP1.EHZ. 2021-03-17T14:58:21.07 0.1 undecidable manual P 359 25.1526 109 -0.08 97
IV.CESI.HHZ. 2021-03-17T14:58:21.75 0.3 undecidable manual P 302 29.4483 106 -0.21 71
IV.NRCA.HNZ. 2021-03-17T14:58:20.18 0.1 undecidable manual S 247 8.6802 134 0.15 99
IV.FDMO.HHN. 2021-03-17T14:58:20.41 1.0 undecidable manual P 332 21.5673 111 -0.06 25
IV.MTRA.EHZ. 2021-03-17T14:58:20.07 0.1 undecidable manual P 129 19.1697 114 0.04 99
IV.MMO1.EHZ. 2021-03-17T14:58:20.72 0.3 undecidable manual S 68 10.0788 130 0.33 71
IV.MC2.EHE. 2021-03-17T14:58:19.16 0.1 undecidable manual S 340 5.4945 147 -0.17 99
IV.MMO1.EHZ. 2021-03-17T14:58:18.29 0.1 undecidable manual P 68 10.0788 130 -0.17 98
IV.NRCA.HNZ. 2021-03-17T14:58:18.34 0.1 undecidable manual P 247 8.6802 134 0.09 100
IV.MC2.EHE. 2021-03-17T14:58:17.73 0.1 undecidable manual P 340 5.4945 147 -0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNN. ML:1.9 0.00123 1.1 AML other m 2021-03-17T14:58:20.82
IV.NRCA.HHN. ML:1.9 0.0013 0.1 AML other m 2021-03-17T14:58:20.27
IV.NRCA.HHE. ML:2.0 0.001435 0.12 AML other m 2021-03-17T14:58:20.58
IV.NRCA.HNE. ML:1.9 0.001345 0.12 AML other m 2021-03-17T14:58:20.58
IV.MTRA.EHN. ML:1.4 0.000187 1.56 AML other m 2021-03-17T14:58:24.98
IV.MTRA.EHE. ML:1.3 0.000156 1.66 AML other m 2021-03-17T14:58:25.11
IV.CSP1.EHE. ML:1.3 0.0001185 0.42 AML other m 2021-03-17T14:58:26.43
IV.MF5.EHN. ML:1.1 0.00007950000000000001 0.74 AML other m 2021-03-17T14:58:26.53
IV.CSP1.EHN. ML:1.5 0.000192 1.44 AML other m 2021-03-17T14:58:26.77
IV.CESI.HHE. ML:1.1 0.000058750000000000005 0.42 AML other m 2021-03-17T14:58:27.24
IV.MF5.EHE. ML:1.1 0.00008625 0.94 AML other m 2021-03-17T14:58:27.16
IV.CESI.HHN. ML:1.2 0.0000804 1.32 AML other m 2021-03-17T14:58:28.71
IV.TERO.HHN. ML:1.1 0.000046899999999999995 0.3 AML other m 2021-03-17T14:58:30.19
IV.TERO.HHE. ML:1.0 0.0000291 0.34 AML other m 2021-03-17T14:58:30.28
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