Earthquake with magnitude of ML 0.5 on date 25-11-2020 and time 01:58:40 (UTC) in region 1 km SW Castelsantangelo sul Nera (MC)

A magnitude ML 0.5 earthquake occured in region: 1 km SW Castelsantangelo sul Nera (MC), on

  • 25-11-2020 01:58:40 (UTC)
  • 25-11-2020 02:58:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8890, 13.1430 at 14 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 1 281 281
Ussita MC 6 444 725
Visso MC 6 1107 1832
Preci PG 9 724 2556
Norcia PG 11 4957 7513
Bolognola MC 14 142 7655
Montemonaco AP 15 604 8259
Acquacanina MC 16 121 8380
Fiastra MC 16 559 8939
Monte Cavallo MC 16 145 9084
Montegallo AP 16 523 9607
Fiordimonte MC 17 202 9809
Montefortino FM 17 1178 10987
Sellano PG 18 1079 12066
Arquata del Tronto AP 18 1178 13244
Pieve Torina MC 19 1458 14702
Cerreto di Spoleto PG 20 1075 15777
Pievebovigliana MC 20 866 16643

Municipalities with at least 50000 inhabitants

An earthquake occurred to
37 Km E of Foligno (57155 inhabitants)
53 Km W of Teramo (54892 inhabitants)
55 Km NE of Terni (111501 inhabitants)
63 Km NW of L'Aquila (69753 inhabitants)
66 Km E of Perugia (166134 inhabitants)
87 Km SW of Ancona (100861 inhabitants)
92 Km W of Montesilvano (53738 inhabitants)
100 Km W of Pescara (121014 inhabitants)
100 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 0.5 2020-11-25
01:58:40
42.8893 13.1432 14 2020-11-25
02:50:48
Sala Sismica INGV-Roma 84998081
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-25 01:58:40 ± 0.1
Latitude 42.8893 ± 0.0045
Longitude 13.1432 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84998081

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 487
Semi-minor axis of confidence ellipse (meter) 272
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 41
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 14
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) 0.20954
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.3
Num. used stations 6
Type of magnitude ML
Reference to an origin 84998081
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-25 02:50:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.MNT3.HHZ.02 2020-11-25T01:59:33.00 3.0 undecidable manual Sn -1.57 0
IV.PAOL.HHZ. 2020-11-25T01:59:31.61 3.0 undecidable manual Sg 5.57 0
IV.CESI.HHZ. 2020-11-25T01:58:49.25 0.3 undecidable manual S 304 23.2545 106 0.04 73
IV.CSP1.EHZ. 2020-11-25T01:58:49.14 0.3 undecidable manual S 13 23.0547 106 -0.02 73
IV.LAV9.HHE. 2020-11-25T01:58:48.47 3.0 positive manual P 0 0
IT.MTCL.HGZ. 2020-11-25T01:58:47.40 0.3 undecidable manual S 315 16.4724 117 -0.13 72
IV.FDMO.HHZ. 2020-11-25T01:58:47.45 0.3 undecidable manual S 344 16.9719 116 -0.19 71
IV.MMO1.EHZ. 2020-11-25T01:58:46.95 0.3 undecidable manual S 86 14.9739 121 -0.23 70
IV.NRCA.HHZ. 2020-11-25T01:58:45.40 0.3 undecidable manual S 201 6.5934 149 -0.19 72
IV.CSP1.EHZ. 2020-11-25T01:58:45.44 0.1 undecidable manual P 13 23.0547 106 -0.03 97
IV.MC2.EHE. 2020-11-25T01:58:45.52 0.3 undecidable manual S 57 4.4955 159 0.19 74
IV.CESI.HHZ. 2020-11-25T01:58:45.61 0.1 undecidable manual P 304 23.2545 106 0.1 95
IV.MMO1.EHZ. 2020-11-25T01:58:44.38 0.1 undecidable manual P 86 14.9739 121 0.05 98
IT.MTCL.HGZ. 2020-11-25T01:58:44.59 0.1 undecidable manual P 315 16.4724 117 0.06 98
IV.FDMO.HHZ. 2020-11-25T01:58:44.59 0.1 undecidable manual P 344 16.9719 116 -0.01 99
IV.NRCA.HHZ. 2020-11-25T01:58:43.47 0.1 undecidable manual P 201 6.5934 149 0.06 100
IV.MC2.EHE. 2020-11-25T01:58:43.47 0.1 undecidable manual P 57 4.4955 159 0.21 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:0.9 0.00008335 0.14 AML other m 2020-11-25T01:58:45.57
IV.NRCA.HHE. ML:1.0 0.0001199 0.14 AML other m 2020-11-25T01:58:45.60
IV.FDMO.HHE. ML:0.3 0.000013287657499999999 0.2 AML other m 2020-11-25T01:58:47.57
IV.FDMO.HHN. ML:0.4 0.000020687745 0.1808 AML other m 2020-11-25T01:58:47.81
IV.CESI.HHE. ML:0.2 0.0000116072336 0.2 AML other m 2020-11-25T01:58:49.52
IV.CESI.HHN. ML:0.5 0.000017869755 0.1808 AML other m 2020-11-25T01:58:49.83
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