Earthquake with magnitude of ML 1.3 on date 04-10-2021 and time 14:13:00 (UTC) in region 9 km SE Castelsantangelo sul Nera (MC)

A magnitude ML 1.3 earthquake occured in region: 9 km SE Castelsantangelo sul Nera (MC), on

  • 04-10-2021 14:13:00 (UTC)
  • 04-10-2021 16:13:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8380, 13.2250 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 9 281 281
Montegallo AP 9 523 804
Arquata del Tronto AP 9 1178 1982
Montemonaco AP 11 604 2586
Norcia PG 12 4957 7543
Ussita MC 14 444 7987
Montefortino FM 15 1178 9165
Visso MC 15 1107 10272
Preci PG 16 724 10996
Accumoli RI 16 667 11663
Acquasanta Terme AP 17 2916 14579
Bolognola MC 18 142 14721
Amandola FM 19 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
44 Km E of Foligno (57155 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
56 Km NE of Terni (111501 inhabitants)
74 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
90 Km S of Ancona (100861 inhabitants)
91 Km W of Pescara (121014 inhabitants)
94 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 2021-10-04
14:13:00
42.8382 13.2252 8 2021-10-04
14:36:52
Sala Sismica INGV-Roma 96209001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-10-04 14:13:00 ± 0.1
Latitude 42.8382 ± 0.0054
Longitude 13.2252 ± 0.0074
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 96209001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 679
Semi-minor axis of confidence ellipse (meter) 284
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 226
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 111
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.80759
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 96209001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-10-04 14:36:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHZ. 2021-10-04T14:14:53.38 3.0 undecidable manual Sn -0.17 0
IV.SPS2.HHZ. 2021-10-04T14:14:52.83 3.0 undecidable manual Sn -1.09 0
IV.SCHR.EHZ. 2021-10-04T14:14:44.42 3.0 undecidable manual Sg 11.23 0
IV.ISPIC.HNZ. 2021-10-04T14:14:43.38 3.0 undecidable manual Pg 13.92 0
IV.HCRL.HHZ. 2021-10-04T14:14:37.24 3.0 negative manual Pg 14.15 0
IV.MSSA.HHZ. 2021-10-04T14:14:30.38 3.0 undecidable manual Sn 6.79 0
MN.PDG.HHZ. 2021-10-04T14:14:17.40 3.0 undecidable manual Pn 9.83 0
IV.MILN.HHZ. 2021-10-04T14:14:01.91 3.0 undecidable manual Pn 3.76 0
IV.SARZ.HHZ. 2021-10-04T14:14:01.25 3.0 positive manual Pn 5.82 0
IV.ZEN8.EHZ. 2021-10-04T14:13:57.51 3.0 undecidable manual Pg 6.98 0
OT.OT17.EHZ. 2021-10-04T14:13:56.94 3.0 undecidable manual Sn -1.89 0
IV.RMP.HHZ. 2021-10-04T14:13:20.98 3.0 positive manual P 2.14 0
IV.NARO.HHZ. 2021-10-04T14:13:19.83 3.0 undecidable manual S 0
IV.PIEI.HHZ. 2021-10-04T14:13:19.48 3.0 undecidable manual S 0
IV.PE3.EHZ. 2021-10-04T14:13:18.67 3.0 undecidable manual S 0
IV.CAFI.HHZ. 2021-10-04T14:13:17.46 3.0 positive manual P -0.95 0
IV.ATVO.HHZ. 2021-10-04T14:13:16.13 0.1 undecidable manual P 313 89.6436 50 0.3 83
IV.NARO.HHZ. 2021-10-04T14:13:15.39 3.0 undecidable manual P 0
IV.PIEI.HHZ. 2021-10-04T14:13:15.37 3.0 undecidable manual P 0
IV.PE3.EHZ. 2021-10-04T14:13:13.99 3.0 undecidable manual P 0
IV.TERO.HNE. 2021-10-04T14:13:13.29 0.3 undecidable manual S 128 39.0276 50 -0.5 62
IV.MML1.EHE. 2021-10-04T14:13:13.54 0.3 undecidable manual S 326 36.8298 50 0.34 67
IV.CESI.HNE. 2021-10-04T14:13:11.18 0.1 undecidable manual S 306 31.9458 104 -0.39 89
IV.CSP1.EHZ. 2021-10-04T14:13:10.47 0.1 undecidable manual S 357 28.1496 105 0.16 94
IV.MML1.EHE. 2021-10-04T14:13:08.02 0.1 undecidable manual P 326 36.8298 50 0.33 90
IV.TERO.HNE. 2021-10-04T14:13:07.88 0.3 undecidable manual P 128 39.0276 50 -0.15 68
IV.MNTT.EHZ. 2021-10-04T14:13:07.04 3.0 negative manual P -1.34 0
IV.CSP1.EHZ. 2021-10-04T14:13:06.00 0.1 undecidable manual P 357 28.1496 105 -0.03 97
IV.CESI.HNE. 2021-10-04T14:13:06.55 0.1 undecidable manual P 306 31.9458 104 -0.2 93
IV.GAVE.EHZ. 2021-10-04T14:13:06.89 0.3 undecidable manual P 239 31.4463 104 0.24 69
IV.MTRA.EHZ. 2021-10-04T14:13:06.81 0.3 undecidable manual S 123 16.6722 115 0.28 69
IV.MC2.EHZ. 2021-10-04T14:13:04.16 0.3 undecidable manual S 340 8.6802 132 -0.04 75
IV.MMO1.EHZ. 2021-10-04T14:13:04.28 0.6 undecidable manual S 51 10.6782 126 -0.47 46
IV.MTRA.EHZ. 2021-10-04T14:13:04.28 0.1 undecidable manual P 123 16.6722 115 0.44 90
IV.NRCA.HHZ. 2021-10-04T14:13:04.01 0.3 undecidable manual S 267 8.9799 131 -0.28 72
IV.NRCA.HHZ. 2021-10-04T14:13:02.50 0.1 undecidable manual P 267 8.9799 131 -0.05 100
IV.MC2.EHZ. 2021-10-04T14:13:02.64 0.1 undecidable manual P 340 8.6802 132 0.15 97
IV.FOSV.EHZ. 2021-10-04T14:13:02.98 3.0 undecidable manual P 0
IV.MMO1.EHZ. 2021-10-04T14:13:01.99 0.6 undecidable manual P 51 10.6782 126 -0.83 40
IV.T1299.EHZ. 2021-10-04T14:12:56.80 3.0 undecidable manual S 0
IV.T1299.EHZ. 2021-10-04T14:12:51.56 3.0 undecidable manual P 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HNE. ML:1.4 0.00042249999999999997 0.16 AML other m 2021-10-04T14:13:04.36
IV.NRCA.HHE. ML:1.4 0.0004415 0.08 AML other m 2021-10-04T14:13:04.44
IV.NRCA.HHN. ML:1.5 0.00046261859999999997 0.1216 AML other m 2021-10-04T14:13:04.55
IV.NRCA.HNN. ML:1.4 0.00041311915 0.1024 AML other m 2021-10-04T14:13:04.60
IV.PIEI.HHE. ML:1.4 0.000027499999999999998 1.24 AML other m 2021-10-04T14:13:22.07
IV.PIEI.HHN. ML:1.2 0.000017175962999999998 0.0832 AML other m 2021-10-04T14:13:20.14
IV.MTRA.EHE. ML:0.8 0.00006308749 0.3648 AML other m 2021-10-04T14:13:09.01
IV.MTRA.EHN. ML:0.8 0.00006231218000000001 0.32 AML other m 2021-10-04T14:13:08.78
IV.GAVE.EHE. ML:0.6 0.000017758443 0.32 AML other m 2021-10-04T14:13:16.06
IV.GAVE.EHN. ML:0.7 0.000023444344999999998 0.2368 AML other m 2021-10-04T14:13:13.71
IV.NARO.HHE. ML:1.3 0.00001916136 0.0768 AML other m 2021-10-04T14:13:20.10
IV.NARO.HHN. ML:1.5 0.000031677269 0.2048 AML other m 2021-10-04T14:13:20.05
IV.ATVO.HHE. ML:1.3 0.000024100444999999997 0.5632 AML other m 2021-10-04T14:13:23.63
IV.ATVO.HHN. ML:1.1 0.00001676114 0.1856 AML other m 2021-10-04T14:13:22.12
IV.CAFI.HHE. ML:1.3 0.00001503469 0.6016 AML other m 2021-10-04T14:13:36.07
IV.CAFI.HNN. ML:1.6 0.000031943495 0.5312 AML other m 2021-10-04T14:13:31.04
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