Earthquake with magnitude of ML 1.0 on date 01-10-2019 and time 04:08:29 (Italy) in region 8 km NW Arquata del Tronto (AP)

A magnitude ML 1.0 earthquake occured in region: 8 km NW Arquata del Tronto (AP), on

  • 01-10-2019 02:08:29 (UTC)
  • 01-10-2019 04:08:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8290, 13.2350 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
Arquata del Tronto AP 8 1178 1178
Montegallo AP 8 523 1701
Castelsantangelo sul Nera MC 10 281 1982
Montemonaco AP 11 604 2586
Norcia PG 12 4957 7543
Accumoli RI 15 667 8210
Ussita MC 15 444 8654
Montefortino FM 16 1178 9832
Acquasanta Terme AP 16 2916 12748
Visso MC 17 1107 13855
Preci PG 17 724 14579
Bolognola MC 19 142 14721
Amandola FM 20 3629 18350
Palmiano AP 20 196 18546

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
55 Km N of L'Aquila (69753 inhabitants)
56 Km NE of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
90 Km W of Pescara (121014 inhabitants)
91 Km S of Ancona (100861 inhabitants)
93 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 1.0 2019-10-01
02:08:29
42.8288 13.2347 15 2019-10-01
03:47:06
Sala Sismica INGV-Roma 72938951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-10-01 02:08:29 ± 0.17
Latitude 42.8288 ± 0.0063
Longitude 13.2347 ± 0.0074
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72938951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 648
Semi-minor axis of confidence ellipse (meter) 242
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 189
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 114
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23382
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 72938951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-10-01 03:47:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
MN.TRI.HHZ. 2019-10-01T02:09:25.53 3.0 undecidable manual Sn 0.04 0
IV.MESG.HHZ. 2019-10-01T02:09:18.53 3.0 negative manual Pn -4.7 0
IV.OPPE.HHZ. 2019-10-01T02:09:02.81 3.0 negative manual Pg 9.42 0
IV.LAV9.HHZ. 2019-10-01T02:08:44.26 3.0 negative manual Pn -0.03 0
IV.MF5.EHZ. 2019-10-01T02:08:38.79 0.1 undecidable manual S 46 25.3524 104 0.42 90
IV.FDMO.HHZ. 2019-10-01T02:08:38.26 0.1 undecidable manual S 333 25.9518 104 -0.26 91
IV.SMA1.EHZ. 2019-10-01T02:08:37.84 0.3 undecidable manual S 160 23.4543 106 -0.04 72
IV.NRCA.HHZ. 2019-10-01T02:08:34.79 0.1 undecidable manual S 273 9.7791 138 0.06 98
IV.FDMO.HHZ. 2019-10-01T02:08:34.31 1.0 negative manual P 333 25.9518 104 -0.19 23
IV.MC2.EHZ. 2019-10-01T02:08:34.96 0.1 undecidable manual S 338 9.879 137 0.21 98
IV.MF5.EHZ. 2019-10-01T02:08:34.53 1.0 undecidable manual P 46 25.3524 104 0.11 24
IV.MMO1.EHZ. 2019-10-01T02:08:34.55 0.1 undecidable manual S 44 10.878 134 -0.37 91
IV.SMA1.EHZ. 2019-10-01T02:08:34.07 1.0 undecidable manual P 160 23.4543 106 -0.06 24
IV.MMO1.EHZ. 2019-10-01T02:08:32.28 0.3 undecidable manual P 44 10.878 134 -0.15 72
IV.NRCA.HHZ. 2019-10-01T02:08:32.42 0.1 negative manual P 273 9.7791 138 0.1 100
IV.MC2.EHZ. 2019-10-01T02:08:32.50 1.0 positive manual P 338 9.879 137 0.18 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.0 0.0001055 0.14 AML other m 2019-10-01T02:08:34.99
IV.NRCA.HHN. ML:0.9 0.0000759 0.12 AML other m 2019-10-01T02:08:35.22
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