Earthquake with magnitude of ML 0.4 on date 25-11-2020 and time 00:23:19 (UTC) in region Arquata del Tronto (AP)

A magnitude ML 0.4 earthquake occured in region: Arquata del Tronto (AP), on

  • 25-11-2020 00:23:19 (UTC)
  • 25-11-2020 01:23:19 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7710, 13.3010 at 11 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
Arquata del Tronto AP 0 1178 1178
Montegallo AP 9 523 1701
Acquasanta Terme AP 9 2916 4617
Accumoli RI 9 667 5284
Montemonaco AP 15 604 5888
Amatrice RI 16 2657 8545
Valle Castellana TE 17 977 9522
Norcia PG 17 4957 14479
Roccafluvione AP 18 2010 16489
Castelsantangelo sul Nera MC 18 281 16770
Palmiano AP 19 196 16966
Montefortino FM 20 1178 18144

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Teramo (54892 inhabitants)
47 Km N of L'Aquila (69753 inhabitants)
53 Km E of Foligno (57155 inhabitants)
58 Km E of Terni (111501 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
82 Km W of Pescara (121014 inhabitants)
83 Km E of Perugia (166134 inhabitants)
85 Km NW of Chieti (51815 inhabitants)
96 Km S of Ancona (100861 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NE of Tivoli (56533 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 0.4 2020-11-25
00:23:19
42.7707 13.3007 11 2020-11-25
00:31:39
Sala Sismica INGV-Roma 84994991
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-25 00:23:19 ± 0.04
Latitude 42.7707 ± 0.0027
Longitude 13.3007 ± 0.0049
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 84994991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 420
Semi-minor axis of confidence ellipse (meter) 210
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.32825
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 84994991
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-25 00:31:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-11-25T00:23:31.12 0.3 undecidable manual S 330 34.2435 90 -0.13 71
IV.CSP1.EHZ. 2020-11-25T00:23:31.93 0.3 undecidable manual S 348 36.4413 90 0.08 72
IV.TERO.HHZ. 2020-11-25T00:23:30.25 0.6 undecidable manual S 123 29.6481 90 0.22 47
IV.CAMP.HHE. 2020-11-25T00:23:29.47 0.6 undecidable manual S 161 27.5502 90 0.01 49
IV.LNSS.HNN. 2020-11-25T00:23:29.66 0.6 undecidable manual S 229 28.2495 90 0.01 49
IV.CSP1.EHZ. 2020-11-25T00:23:26.62 0.1 undecidable manual P 348 36.4413 90 -0.08 95
IV.MC2.EHZ. 2020-11-25T00:23:26.95 0.3 undecidable manual S 330 18.0708 90 0.01 75
IV.T1299.HNN. 2020-11-25T00:23:26.26 0.3 undecidable manual S 186 15.1737 90 0.09 73
IV.FDMO.HHZ. 2020-11-25T00:23:26.11 0.1 undecidable manual P 330 34.2435 90 -0.24 92
IV.NRCA.HHZ. 2020-11-25T00:23:26.37 0.3 undecidable manual S 295 16.6722 90 -0.2 72
IV.LNSS.HNN. 2020-11-25T00:23:25.41 0.1 undecidable manual P 229 28.2495 90 -0.02 98
IV.TERO.HHZ. 2020-11-25T00:23:25.59 0.1 undecidable manual P 123 29.6481 90 -0.06 97
IV.CAMP.HHE. 2020-11-25T00:23:25.19 0.6 undecidable manual P 161 27.5502 90 -0.13 48
IV.MMO1.EHZ. 2020-11-25T00:23:25.82 0.3 undecidable manual S 9 14.4744 91 -0.15 73
IV.SMA1.EHE. 2020-11-25T00:23:25.96 0.3 undecidable manual S 170 15.7731 90 -0.37 70
IV.MC2.EHZ. 2020-11-25T00:23:24.22 0.1 undecidable manual P 330 18.0708 90 0.36 93
IV.MTRA.HNZ. 2020-11-25T00:23:24.33 0.3 undecidable manual S 101 7.9809 131 -0.06 75
IV.MMO1.EHZ. 2020-11-25T00:23:23.30 0.1 undecidable manual P 9 14.4744 91 0 100
IV.SMA1.EHE. 2020-11-25T00:23:23.61 0.1 undecidable manual P 170 15.7731 90 0.1 98
IV.NRCA.HHZ. 2020-11-25T00:23:23.63 0.1 negative manual P 295 16.6722 90 -0.02 100
IV.T1299.HNN. 2020-11-25T00:23:23.68 0.1 undecidable manual P 186 15.1737 90 0.26 95
IV.MTRA.HNZ. 2020-11-25T00:23:22.56 0.1 undecidable manual P 101 7.9809 131 0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHN. ML:1.0 0.0000965 0.14 AML other m 2020-11-25T00:23:26.56
IV.NRCA.HHE. ML:1.1 0.000117 0.12 AML other m 2020-11-25T00:23:26.57
IV.TERO.HHE. ML:0.3 0.000009047367 0.08 AML other m 2020-11-25T00:23:31.21
IV.TERO.HHN. ML:0.3 0.0000102314025 0.26 AML other m 2020-11-25T00:23:31.20
IV.FDMO.HHE. ML:0.1 0.0000061432125 0.34 AML other m 2020-11-25T00:23:31.36
IV.FDMO.HHN. ML:0.4 0.000011674685000000001 0.26 AML other m 2020-11-25T00:23:31.57
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