Earthquake with magnitude of ML 0.7 on date 22-10-2020 and time 17:20:39 (UTC) in region 4 km W Castelsantangelo sul Nera (MC)

A magnitude ML 0.7 earthquake occured in region: 4 km W Castelsantangelo sul Nera (MC), on

  • 22-10-2020 17:20:39 (UTC)
  • 22-10-2020 19:20:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8870, 13.1020 at 13 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
Visso MC 5 1107 1388
Preci PG 5 724 2112
Ussita MC 7 444 2556
Norcia PG 11 4957 7513
Sellano PG 14 1079 8592
Monte Cavallo MC 14 145 8737
Bolognola MC 16 142 8879
Fiordimonte MC 17 202 9081
Cerreto di Spoleto PG 17 1075 10156
Acquacanina MC 17 121 10277
Fiastra MC 17 559 10836
Pieve Torina MC 18 1458 12294
Montemonaco AP 19 604 12898
Montegallo AP 20 523 13421
Pievebovigliana MC 20 866 14287
Cascia PG 20 3217 17504

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km E of Foligno (57155 inhabitants)
52 Km NE of Terni (111501 inhabitants)
55 Km W of Teramo (54892 inhabitants)
63 Km E of Perugia (166134 inhabitants)
64 Km NW of L'Aquila (69753 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
97 Km NE of Viterbo (67173 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 0.7 2020-10-22
17:20:39
42.8872 13.1017 13 2020-10-22
17:40:48
Sala Sismica INGV-Roma 84032331
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-22 17:20:39 ± 0.05
Latitude 42.8872 ± 0.0018
Longitude 13.1017 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84032331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 248
Semi-minor axis of confidence ellipse (meter) 110
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 228
Circular confidence region, given by single value of horizontal uncertainty (meter) 250.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 91
Number of associated phases, regardless of their use for origin computation 42
Number of defining phases 23
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30847
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 12
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 84032331
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-22 17:40:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAR1.HHZ. 2020-10-22T17:22:10.30 3.0 undecidable manual Sg 10.96 0
HL.VLS.HHZ. 2020-10-22T17:22:06.64 3.0 undecidable manual Pn 5.48 0
IV.ECTS.HHZ. 2020-10-22T17:22:00.64 3.0 undecidable manual Sn -9.99 0
GU.BLANC.HHZ. 2020-10-22T17:21:58.26 3.0 undecidable manual Pg 19.92 0
IV.SBPO.HNZ. 2020-10-22T17:21:52.38 3.0 undecidable manual Sn 0.9 0
IV.NDIM.HHZ. 2020-10-22T17:21:43.84 3.0 undecidable manual Sn -3.95 0
IV.CAGR.HHZ. 2020-10-22T17:21:40.04 3.0 undecidable manual Pg 19.51 0
GU.CANO.HHZ. 2020-10-22T17:21:37.26 3.0 undecidable manual Pg 23.389999 0
RF.GEPF.HHZ. 2020-10-22T17:21:35.64 3.0 negative manual Pg 10.27 0
IV.IMOL.HNZ. 2020-10-22T17:21:33.31 3.0 undecidable manual Sn 0.61 0
IV.SENI.HNZ. 2020-10-22T17:21:27.37 3.0 undecidable manual Sg 6.88 0
IV.ARVD.HHZ. 2020-10-22T17:21:17.76 3.0 undecidable manual Sg 3.38 0
IV.SBPO.HNZ. 2020-10-22T17:21:13.52 3.0 negative manual Pn 3.89 0
IV.BSSO.HHZ. 2020-10-22T17:21:13.66 3.0 undecidable manual Sg 2.61 0
IV.IACL.HHZ. 2020-10-22T17:21:09.93 3.0 undecidable manual Pn 1.12 0
IV.MML1.HNZ. 2020-10-22T17:20:49.03 0.3 undecidable manual S 337 27.2505 96 0.14 72
IV.PF6.EHE. 2020-10-22T17:20:49.20 0.3 undecidable manual S 15 28.8489 96 -0.11 71
IV.CSP1.EHZ. 2020-10-22T17:20:48.14 0.3 undecidable manual S 20 24.2535 98 0.06 74
IV.MTRA.HNE. 2020-10-22T17:20:48.93 0.3 undecidable manual S 121 28.0497 96 -0.17 71
IV.GAVE.EHZ. 2020-10-22T17:20:48.80 0.3 undecidable manual S 218 27.4503 96 -0.14 72
IV.CESI.HHZ. 2020-10-22T17:20:47.11 0.3 undecidable manual S 309 20.6682 101 -0.04 74
IV.COR1.EHZ. 2020-10-22T17:20:46.42 3.0 negative manual Pn -4.18 0
IV.MMO1.EHZ. 2020-10-22T17:20:46.36 0.3 undecidable manual S 86 18.3705 105 -0.19 72
IV.GATE.HHZ. 2020-10-22T17:20:46.66 3.0 negative manual P -3.31 0
IV.GAVE.EHZ. 2020-10-22T17:20:45.11 1.0 positive manual P 218 27.4503 96 0.31 23
IV.PF6.EHE. 2020-10-22T17:20:45.10 0.3 undecidable manual P 15 28.8489 96 0.09 72
IV.FDMO.HHZ. 2020-10-22T17:20:45.84 0.3 undecidable manual S 356 16.5723 108 -0.26 71
IT.MTCL.HGE. 2020-10-22T17:20:45.33 0.3 undecidable manual S 325 14.4744 114 -0.24 71
IV.SMA1.EHN. 2020-10-22T17:20:45.83 0.3 undecidable manual P 146 34.2435 94 -0.01 73
IV.MC2.EHZ. 2020-10-22T17:20:44.34 0.3 undecidable manual S 69 7.5813 140 0.24 72
IV.MML1.HNZ. 2020-10-22T17:20:44.83 0.1 undecidable manual P 337 27.2505 96 0.06 97
IV.CSP1.EHZ. 2020-10-22T17:20:44.35 0.3 undecidable manual P 20 24.2535 98 0.05 74
IV.MTRA.HNE. 2020-10-22T17:20:44.88 0.3 undecidable manual P 121 28.0497 96 -0.01 73
IV.FDMO.HHZ. 2020-10-22T17:20:43.05 0.3 undecidable manual P 356 16.5723 108 -0.11 73
IV.NRCA.HNE. 2020-10-22T17:20:43.61 0.3 undecidable manual S 170 5.994 147 -0.24 73
IV.MMO1.EHZ. 2020-10-22T17:20:43.43 0.3 undecidable manual P 86 18.3705 105 0.01 75
IV.CESI.HHZ. 2020-10-22T17:20:43.93 0.3 undecidable manual P 309 20.6682 101 0.17 72
IT.MTCL.HGE. 2020-10-22T17:20:42.92 0.3 undecidable manual P 325 14.4744 114 0.07 74
IV.MC2.EHZ. 2020-10-22T17:20:42.28 0.1 undecidable manual P 69 7.5813 140 0.28 96
IV.SAMA.EHZ. 2020-10-22T17:20:41.52 3.0 undecidable manual S -2.46 0
IV.NRCA.HNE. 2020-10-22T17:20:41.92 0.1 undecidable manual P 170 5.994 147 0.06 100
IV.SRES.HHZ. 2020-10-22T17:20:34.26 3.0 positive manual Pn 0.29 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.5 0.000025986255 0.2688 AML other m 2020-10-22T17:20:46.21
IV.FDMO.HHN. ML:0.4 0.000021776755 0.1024 AML other m 2020-10-22T17:20:46.49
IV.CESI.HHE. ML:0.6 0.000031287809999999996 0.0768 AML other m 2020-10-22T17:20:47.35
IV.CESI.HHN. ML:0.8 0.000045547245 0.0896 AML other m 2020-10-22T17:20:47.58
IV.CESI.HNE. ML:0.7 0.00003594439999999999 0.064 AML other m 2020-10-22T17:20:47.39
IV.CESI.HNN. ML:0.6 0.000029598995000000002 0.0896 AML other m 2020-10-22T17:20:47.36
IV.CSP1.EHE. ML:0.5 0.000019672862999999998 0.1024 AML other m 2020-10-22T17:20:48.61
IV.CSP1.EHN. ML:0.9 0.00004510507 0.1664 AML other m 2020-10-22T17:20:48.31
IV.GAVE.EHE. ML:0.8 0.00003102485 0.2048 AML other m 2020-10-22T17:20:50.44
IV.GAVE.EHN. ML:0.6 0.000021966130000000002 0 AML other m 2020-10-22T17:20:49.65
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