Earthquake with magnitude of ML 1.1 on date 24-10-2020 and time 08:19:06 (Italy) in region 4 km SE Castelsantangelo sul Nera (MC)

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

  • 24-10-2020 06:19:06 (UTC)
  • 24-10-2020 08:19:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8650, 13.1880 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
Ussita MC 10 444 725
Visso MC 11 1107 1832
Norcia PG 11 4957 6789
Montemonaco AP 12 604 7393
Montegallo AP 12 523 7916
Preci PG 12 724 8640
Arquata del Tronto AP 14 1178 9818
Bolognola MC 15 142 9960
Montefortino FM 15 1178 11138
Acquacanina MC 19 121 11259
Amandola FM 19 3629 14888
Fiastra MC 19 559 15447
Accumoli RI 20 667 16114

Municipalities with at least 50000 inhabitants

An earthquake occurred to
41 Km E of Foligno (57155 inhabitants)
48 Km W of Teramo (54892 inhabitants)
56 Km NE of Terni (111501 inhabitants)
60 Km N of L'Aquila (69753 inhabitants)
70 Km E of Perugia (166134 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
88 Km SW of Ancona (100861 inhabitants)
95 Km W of Pescara (121014 inhabitants)
98 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 1.1 2020-10-24
06:19:06
42.865 13.1883 8 2020-10-24
06:34:45
Sala Sismica INGV-Roma 84080611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-24 06:19:06 ± 0.14
Latitude 42.8650 ± 0.0036
Longitude 13.1883 ± 0.0037
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 84080611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 352
Semi-minor axis of confidence ellipse (meter) 229
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 346
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 169
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.25001
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 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 84080611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-24 06:34:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMUR.HNZ. 2020-10-24T06:19:30.93 3.0 undecidable manual S 0.02 0
IV.CESI.HHZ. 2020-10-24T06:19:16.63 0.1 undecidable manual S 304 27.75 106 -0.05 96
IV.CSP1.EHZ. 2020-10-24T06:19:15.76 0.1 undecidable manual S 3 25.1526 107 -0.06 96
IV.FDMO.HHZ. 2020-10-24T06:19:14.77 0.3 undecidable manual S 337 20.7681 111 0.42 67
IV.CESI.HHZ. 2020-10-24T06:19:12.24 0.3 undecidable manual P 304 27.75 106 -0.2 69
IV.CSP1.EHZ. 2020-10-24T06:19:11.83 0.3 undecidable manual P 3 25.1526 107 -0.12 71
IV.MMO1.EHZ. 2020-10-24T06:19:11.65 0.1 undecidable manual S 71 11.877 124 0.05 98
IV.FDMO.HHZ. 2020-10-24T06:19:11.10 0.1 undecidable manual P 337 20.7681 111 0 98
IV.NRCA.HHZ. 2020-10-24T06:19:10.31 0.1 undecidable manual S 240 6.993 139 0 100
IV.MMO1.EHZ. 2020-10-24T06:19:09.54 0.1 undecidable manual P 71 11.877 124 0.03 99
IV.MC2.EHZ. 2020-10-24T06:19:09.79 0.1 undecidable manual S 1 5.1948 147 -0.14 98
IV.MC2.EHZ. 2020-10-24T06:19:08.53 0.1 undecidable manual P 1 5.1948 147 -0.01 100
IV.NRCA.HHZ. 2020-10-24T06:19:08.87 0.1 undecidable manual P 240 6.993 139 0.1 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 0.00029812344999999996 0.0992 AML other m 2020-10-24T06:19:11.13
IV.NRCA.HHN. ML:1.0 0.00016613330000000002 0.0608 AML other m 2020-10-24T06:19:10.42
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