Earthquake with magnitude of ML 1.0 on date 24-11-2020 and time 05:16:08 (UTC) in region 3 km SW Arquata del Tronto (AP)

A magnitude ML 1.0 earthquake occured in region: 3 km SW Arquata del Tronto (AP), on

  • 24-11-2020 05:16:08 (UTC)
  • 24-11-2020 06:16:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7460, 13.2770 at 14 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 4 1178 1178
Accumoli RI 6 667 1845
Acquasanta Terme AP 11 2916 4761
Montegallo AP 12 523 5284
Amatrice RI 13 2657 7941
Norcia PG 16 4957 12898
Cittareale RI 17 482 13380
Montemonaco AP 18 604 13984
Valle Castellana TE 18 977 14961
Castelsantangelo sul Nera MC 19 281 15242

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Teramo (54892 inhabitants)
45 Km N of L'Aquila (69753 inhabitants)
52 Km E of Foligno (57155 inhabitants)
55 Km E of Terni (111501 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
83 Km E of Perugia (166134 inhabitants)
83 Km W of Pescara (121014 inhabitants)
85 Km NW of Chieti (51815 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
95 Km NE of Tivoli (56533 inhabitants)
99 Km S of Ancona (100861 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
Bulletin
Rev1000
ML 1.0 2020-11-24
05:16:08
42.7462 13.2768 14 2021-02-26
14:56:20
Bollettino Sismico Italiano INGV 87377881
Reviewed
Rev100
ML 0.9 2020-11-24
05:16:08
42.7485 13.2822 10 2020-11-24
05:27:21
Sala Sismica INGV-Roma 84977041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-11-24 05:16:08 ± 0.08
Latitude 42.7462 ± 0.0036
Longitude 13.2768 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 87377881

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 398
Semi-minor axis of confidence ellipse (meter) 170
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 400.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.08813
Epicentral distance of station farthest from the epicenter (degree) 0.26980
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 87377881
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-02-22 13:10:40

ML:0.9

Field Value
Value 0.9
Uncertainty 0.1
Num. used stations 4
Type of magnitude ML
Reference to an origin 84977041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-11-24 05:27:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2020-11-24T05:16:18.73 0.3 undecidable manual S 117 29.9478 100 -0.16 70
IV.LNSS.HNZ. 2020-11-24T05:16:17.59 0.3 undecidable manual S 231 24.9528 104 0 74
IV.MC2.EHZ. 2020-11-24T05:16:16.37 0.6 undecidable manual S 339 19.6692 111 0.13 49
IV.NRCA.HNE. 2020-11-24T05:16:15.05 0.3 undecidable manual S 306 16.3725 117 -0.39 68
IV.MMO1.EHZ. 2020-11-24T05:16:15.70 0.3 undecidable manual S 13 17.4714 115 0.01 74
IV.SMA1.EHZ. 2020-11-24T05:16:14.59 0.3 undecidable manual S 160 13.6752 124 -0.22 72
IV.T1299.HNE. 2020-11-24T05:16:14.52 0.1 undecidable manual S 178 12.3765 128 -0.02 100
IV.TERO.HHZ. 2020-11-24T05:16:14.40 0.1 undecidable manual P 117 29.9478 100 -0.04 96
IV.MTRA.EHZ. 2020-11-24T05:16:13.84 0.3 undecidable manual S 83 9.7791 137 -0.18 72
IV.LNSS.HNZ. 2020-11-24T05:16:13.67 0.1 undecidable manual P 231 24.9528 104 -0.02 97
IV.T1299.HNE. 2020-11-24T05:16:12.24 0.1 undecidable manual P 178 12.3765 128 0.31 94
IV.NRCA.HNE. 2020-11-24T05:16:12.41 0.1 undecidable manual P 306 16.3725 117 -0.04 98
IV.SMA1.EHZ. 2020-11-24T05:16:12.20 0.1 undecidable manual P 160 13.6752 124 0.12 98
IV.MMO1.EHZ. 2020-11-24T05:16:12.72 0.1 undecidable manual P 13 17.4714 115 0.13 98
IV.MC2.EHZ. 2020-11-24T05:16:12.97 0.3 undecidable manual P 339 19.6692 111 0.06 74
IV.MTRA.EHZ. 2020-11-24T05:16:11.74 0.1 undecidable manual P 83 9.7791 137 0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.1 0.0001285 1.58 AML other m 2020-11-24T05:16:14.13
IV.MTRA.EHN. ML:1.0 0.0000881 0.4 AML other m 2020-11-24T05:16:14.41
IV.FDMO.HHE. ML:1.0 0.0000353 0.66 AML other m 2020-11-24T05:16:18.54
IV.FDMO.HHN. ML:1.0 0.000033600000000000004 1.14 AML other m 2020-11-24T05:16:18.23
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