Earthquake with magnitude of ML 1.1 on date 02-10-2020 and time 17:05:29 (Italy) in region 4 km W Castelsantangelo sul Nera (MC)

A magnitude ML 1.1 earthquake occured in region: 4 km W Castelsantangelo sul Nera (MC), on

  • 02-10-2020 15:05:29 (UTC)
  • 02-10-2020 17:05:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8860, 13.1020 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 4 281 281
Preci PG 5 724 1005
Visso MC 5 1107 2112
Ussita MC 7 444 2556
Norcia PG 10 4957 7513
Sellano PG 14 1079 8592
Monte Cavallo MC 15 145 8737
Bolognola MC 16 142 8879
Cerreto di Spoleto PG 17 1075 9954
Fiordimonte MC 17 202 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 1.1 2020-10-02
15:05:29
42.886 13.1015 8 2020-10-02
15:14:22
Sala Sismica INGV-Roma 83445611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-02 15:05:29 ± 0.29
Latitude 42.8860 ± 0.0063
Longitude 13.1015 ± 0.0123
Depth (km) 8 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83445611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 769
Semi-minor axis of confidence ellipse (meter) 661
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 102
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 11
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) 0.24641
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.3
Num. used stations 14
Type of magnitude ML
Reference to an origin 83445611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-02 15:14:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-10-02T15:05:38.03 0.3 undecidable manual S 20 24.3534 107 -0.1 73
IV.CESI.HHZ. 2020-10-02T15:05:37.18 0.3 undecidable manual S 310 20.7681 110 0.23 72
IV.TERO.HHZ. 2020-10-02T15:05:36.94 3.0 undecidable manual P -0.23 0
IV.FDMO.HHZ. 2020-10-02T15:05:35.80 0.3 undecidable manual S 356 16.7721 114 0.13 74
IV.GAVE.EHZ. 2020-10-02T15:05:35.45 0.1 undecidable manual P 218 27.3504 105 0.47 90
IV.CSP1.EHZ. 2020-10-02T15:05:34.17 0.1 undecidable manual P 20 24.3534 107 -0.23 95
IV.CESI.HHZ. 2020-10-02T15:05:33.39 0.1 undecidable manual P 310 20.7681 110 -0.32 94
IV.MC2.EHZ. 2020-10-02T15:05:33.45 0.3 undecidable manual S 68 7.6812 135 0.43 70
IV.FDMO.HHZ. 2020-10-02T15:05:32.90 0.1 undecidable manual P 356 16.7721 114 -0.08 100
IV.NRCA.HHZ. 2020-10-02T15:05:32.26 0.3 undecidable manual S 170 5.8941 142 -0.36 72
IV.MC2.EHZ. 2020-10-02T15:05:31.58 0.1 undecidable manual P 68 7.6812 135 0.13 100
IV.NRCA.HHZ. 2020-10-02T15:05:30.95 0.3 undecidable manual P 170 5.8941 142 -0.26 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:0.0 0.00048971955 0.1408 AML other m 2020-10-02T15:05:32.42
IV.NRCA.HHN. ML:0.0 0.0002517822 0.1408 AML other m 2020-10-02T15:05:32.42
IV.NRCA.HNE. ML:0.0 0.00044231684999999996 0.128 AML other m 2020-10-02T15:05:32.42
IV.NRCA.HNN. ML:0.0 0.0001972505 0.1408 AML other m 2020-10-02T15:05:32.42
IV.CESI.HNE. ML:1.3 0.0001604391 1.1008 AML other m 2020-10-02T15:05:41.46
IV.CESI.HNN. ML:1.2 0.00010576386000000002 0.704 AML other m 2020-10-02T15:05:33.16
IV.CESI.HHE. ML:0.5 0.000024010827999999997 0.1408 AML other m 2020-10-02T15:05:37.45
IV.CESI.HHN. ML:0.7 0.000035622705 0.1536 AML other m 2020-10-02T15:05:37.38
IV.CSP1.EHE. ML:1.1 0.00008690306000000001 1.6 AML other m 2020-10-02T15:05:46.75
IV.CSP1.EHN. ML:1.0 0.00006013437949999999 44.16 AML other m 2020-10-02T15:05:33.48
IV.GAVE.EHE. ML:0.9 0.00004452001 0.1024 AML other m 2020-10-02T15:05:43.04
IV.GAVE.EHN. ML:1.0 0.000059167285 0.0896 AML other m 2020-10-02T15:05:43.06
IV.GAVE.HNE. ML:1.3 0.0000981508455 0.2816 AML other m 2020-10-02T15:05:42.89
IV.GAVE.HNN. ML:1.5 0.00018056455 1.088 AML other m 2020-10-02T15:05:44.55
IV.TERO.HHE. ML:0.6 0.000008285263 0.3328 AML other m 2020-10-02T15:05:40.38
IV.TERO.HHN. ML:1.1 0.000036365494999999996 1.024 AML other m 2020-10-02T15:05:36.98
IV.TERO.HNE. ML:1.6 0.00009528129 0.7936 AML other m 2020-10-02T15:05:39.58
IV.TERO.HNN. ML:1.8 0.00015986489500000001 0.8064 AML other m 2020-10-02T15:05:40.15
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