Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 07-01-2020 and time 05:42:29 (Italy) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 1.3 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 07-01-2020 04:42:29 (UTC)
  • 07-01-2020 05:42:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7980, 13.2340 at 10 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.

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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 6 1178 1178
Montegallo AP 10 523 1701
Norcia PG 11 4957 6658
Accumoli RI 12 667 7325
Castelsantangelo sul Nera MC 13 281 7606
Montemonaco AP 14 604 8210
Acquasanta Terme AP 15 2916 11126
Ussita MC 18 444 11570
Preci PG 18 724 12294
Montefortino FM 18 1178 13472
Visso MC 19 1107 14579
Amatrice RI 19 2657 17236

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
47 Km E of Foligno (57155 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
77 Km E of Perugia (166134 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
88 Km W of Pescara (121014 inhabitants)
91 Km NW of Chieti (51815 inhabitants)
94 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 1.3 2020-01-07
04:42:29		 42.7983 13.2338 11 2020-01-07
04:47:25		 Sala Sismica INGV-Roma 75350001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-07 04:42:29 ± 0.11
Latitude 42.7983 ± 0.0054
Longitude 13.2338 ± 0.0086
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 75350001

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 760
Semi-minor axis of confidence ellipse (meter) 384
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 50
Circular confidence region, given by single value of horizontal uncertainty (meter) 760.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 17
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.09443
Epicentral distance of station farthest from the epicenter (degree) 0.31746
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 75350001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-07 04:47:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2020-01-07T04:42:41.64 0.1 undecidable manual S 356 32.6451 50 0.9 74
IV.CESI.HHZ. 2020-01-07T04:42:41.26 0.1 undecidable manual S 311 35.2425 50 -0.17 93
IV.FDMO.HHZ. 2020-01-07T04:42:39.27 0.1 undecidable manual S 336 28.9488 50 -0.49 88
IV.SMA1.EHZ. 2020-01-07T04:42:37.44 0.1 undecidable manual S 156 20.3685 117 0.04 98
IV.CESI.HHZ. 2020-01-07T04:42:36.37 0.6 undecidable manual P 311 35.2425 50 0 48
IV.MC2.EHZ. 2020-01-07T04:42:35.53 0.1 undecidable manual S 344 13.0758 129 0.27 95
IV.CSP1.EHZ. 2020-01-07T04:42:35.69 1.0 positive manual P 356 32.6451 50 -0.28 23
IV.FDMO.HHZ. 2020-01-07T04:42:35.10 1.0 positive manual P 336 28.9488 50 -0.3 23
IV.MTRA.EHZ. 2020-01-07T04:42:35.56 0.1 undecidable manual S 109 14.0748 127 0.04 99
IV.MF5.EHZ. 2020-01-07T04:42:35.32 1.0 undecidable manual P 41 27.8499 50 0.09 24
IV.MMO1.EHZ. 2020-01-07T04:42:35.04 0.1 undecidable manual S 34 13.4754 128 -0.34 93
IV.NRCA.HHZ. 2020-01-07T04:42:34.55 0.1 undecidable manual S 292 10.4784 135 -0.04 100
IV.SMA1.EHZ. 2020-01-07T04:42:34.03 0.6 undecidable manual P 156 20.3685 117 -0.01 49
IV.MMO1.EHZ. 2020-01-07T04:42:32.70 0.3 undecidable manual P 34 13.4754 128 -0.17 73
IV.MC2.EHZ. 2020-01-07T04:42:32.88 0.6 negative manual P 344 13.0758 129 0.08 49
IV.MTRA.EHZ. 2020-01-07T04:42:32.96 0.1 positive manual P 109 14.0748 127 0.01 100
IV.NRCA.HHZ. 2020-01-07T04:42:32.56 0.1 negative manual P 292 10.4784 135 0.14 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.6 0.000509 0.1 AML other m 2020-01-07T04:42:34.65
IV.NRCA.HHN. ML:1.5 0.000381 0.1 AML other m 2020-01-07T04:42:34.71
IV.CESI.HHE. ML:1.0 0.00004215 0.18 AML other m 2020-01-07T04:42:41.51
IV.CESI.HHN. ML:1.2 0.0000597 0.62 AML other m 2020-01-07T04:42:41.83
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