Earthquake with magnitude of ML 0.8 on date 24-10-2016 and time 20:03:44 (Italy) in region 8 km NW Arquata del Tronto (AP)

A magnitude ML 0.8 earthquake occured in region: 8 km NW Arquata del Tronto (AP), on

  • 24-10-2016 18:03:44 (UTC)
  • 24-10-2016 20:03:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8240, 13.2330 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 9 523 1701
Castelsantangelo sul Nera MC 10 281 1982
Montemonaco AP 12 604 2586
Norcia PG 12 4957 7543
Accumoli RI 14 667 8210
Ussita MC 16 444 8654
Acquasanta Terme AP 16 2916 11570
Montefortino FM 16 1178 12748
Visso MC 17 1107 13855
Preci PG 17 724 14579
Bolognola MC 19 142 14721

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
54 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 0.8 2016-10-24
18:03:44
42.824 13.2327 14 2016-10-24
18:14:48
Sala Sismica INGV-Roma 30513201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-10-24 18:03:44 ± 0.09
Latitude 42.8240 ± 0.0054
Longitude 13.2327 ± 0.0086
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 30513201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 813
Semi-minor axis of confidence ellipse (meter) 339
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 44
Circular confidence region, given by single value of horizontal uncertainty (meter) 810.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.23742
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:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 30513201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2016-10-24 18:14:48
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSNT.HHZ. 2016-10-24T18:04:35.99 3.0 undecidable manual Sg 7.41 0
IV.PESA.HHZ. 2016-10-24T18:04:02.62 3.0 positive manual Pn -0.05 0
IV.RMP.HHZ. 2016-10-24T18:04:02.43 3.0 positive manual P 0.07 0
IV.SMA1.EHZ. 2016-10-24T18:03:53.13 0.1 undecidable manual S 159 23.0547 107 -0.04 96
IV.FDMO.HHZ. 2016-10-24T18:03:53.90 0.1 undecidable manual S 333 26.3514 103 -0.12 95
IV.T1243.HHZ. 2016-10-24T18:03:52.98 0.1 undecidable manual S 129 22.5552 107 -0.06 96
IV.MMO1.EHZ. 2016-10-24T18:03:50.20 0.1 undecidable manual S 42 11.3775 132 -0.21 96
IV.MC2.EHZ. 2016-10-24T18:03:50.27 0.1 undecidable manual S 340 10.2786 136 0.05 98
IV.T1245.HHZ. 2016-10-24T18:03:49.46 0.1 undecidable manual S 315 5.0949 156 0.03 100
IV.SMA1.EHZ. 2016-10-24T18:03:49.52 0.1 undecidable manual P 159 23.0547 107 0.05 98
IV.FDMO.HHZ. 2016-10-24T18:03:49.80 0.1 undecidable manual P 333 26.3514 103 -0.16 94
IV.T1243.HHZ. 2016-10-24T18:03:49.46 0.1 undecidable manual P 129 22.5552 107 0.06 97
IV.T1241.EHZ. 2016-10-24T18:03:48.71 0.1 undecidable manual P 77 16.5723 118 0.17 96
IV.MC2.EHZ. 2016-10-24T18:03:48.03 0.1 undecidable manual P 340 10.2786 136 0.26 95
IV.T1245.HHZ. 2016-10-24T18:03:47.26 0.1 undecidable manual P 315 5.0949 156 -0.05 100
IV.MMO1.EHZ. 2016-10-24T18:03:47.90 0.1 undecidable manual P 42 11.3775 132 0.02 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.T1245.HHN. ML:0.9 0.0000939 0.2 AML other m 2016-10-24T18:04:51.32
IV.T1245.HHE. ML:0.6 0.00004965 1.56 AML other m 2016-10-24T18:04:51.28
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