Earthquake with magnitude of ML 1.0 on date 08-10-2020 and time 21:06:55 (Italy) in region 3 km SE Roccafluvione (AP)

A magnitude ML 1.0 earthquake occured in region: 3 km SE Roccafluvione (AP), on

  • 08-10-2020 19:06:55 (UTC)
  • 08-10-2020 21:06:55 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8460, 13.5060 at 21 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
Roccafluvione AP 3 2010 2010
Venarotta AP 4 2066 4076
Ascoli Piceno AP 6 49407 53483
Palmiano AP 7 196 53679
Folignano AP 11 9241 62920
Acquasanta Terme AP 12 2916 65836
Valle Castellana TE 12 977 66813
Rotella AP 13 906 67719
Force AP 13 1354 69073
Castignano AP 14 2796 71869
Montegallo AP 14 523 72392
Appignano del Tronto AP 14 1785 74177
Comunanza AP 15 3166 77343
Maltignano AP 15 2401 79744
Civitella del Tronto TE 15 5116 84860
Montedinove AP 15 488 85348
Montemonaco AP 16 604 85952
Montefalcone Appennino FM 16 424 86376
Castel di Lama AP 17 8634 95010
Montefortino FM 17 1178 96188
Sant'Egidio alla Vibrata TE 17 9811 105999
Montalto delle Marche AP 18 2122 108121
Rocca Santa Maria TE 18 537 108658
Offida AP 18 5058 113716
Smerillo FM 18 365 114081
Arquata del Tronto AP 19 1178 115259
Castorano AP 19 2380 117639
Ancarano TE 19 1857 119496
Amandola FM 19 3629 123125
Santa Vittoria in Matenano FM 19 1330 124455
Montelparo FM 19 778 125233
Campli TE 20 7209 132442

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Teramo (54892 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
64 Km NW of Montesilvano (53738 inhabitants)
66 Km E of Foligno (57155 inhabitants)
72 Km NW of Pescara (121014 inhabitants)
77 Km E of Terni (111501 inhabitants)
77 Km NW of Chieti (51815 inhabitants)
86 Km S of Ancona (100861 inhabitants)
95 Km E of Perugia (166134 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 2020-10-08
19:06:55
42.8463 13.5063 21 2020-10-08
19:19:49
Sala Sismica INGV-Roma 83627141
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-08 19:06:55 ± 0.15
Latitude 42.8463 ± 0.0054
Longitude 13.5063 ± 0.0086
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83627141

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 746
Semi-minor axis of confidence ellipse (meter) 110
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 750.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 80
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36063
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.2
Num. used stations 12
Type of magnitude ML
Reference to an origin 83627141
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-08 19:19:49
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHZ. 2020-10-08T19:07:51.38 3.0 undecidable manual Sn -0.01 0
IV.LRP.EHZ. 2020-10-08T19:07:31.60 3.0 undecidable manual S -3.2 0
IV.PE3.EHZ. 2020-10-08T19:07:17.08 3.0 positive manual P 0.67 0
IV.ARVD.HHZ. 2020-10-08T19:07:11.97 3.0 negative manual P 1.03 0
IV.FDMO.HHZ. 2020-10-08T19:07:09.13 0.6 undecidable manual S 302 40.0266 109 0.07 48
IV.CSP1.EHZ. 2020-10-08T19:07:08.26 0.6 undecidable manual S 318 36.6411 111 0.06 48
IV.SMA1.EHZ. 2020-10-08T19:07:06.08 0.6 undecidable manual S 210 27.75 118 0.05 49
IV.TERO.HHZ. 2020-10-08T19:07:05.48 0.6 undecidable manual S 162 26.0517 120 -0.17 48
IV.MNTT.EHZ. 2020-10-08T19:07:05.70 0.3 undecidable manual S 17 24.9528 122 0.3 70
IV.MC2.EHZ. 2020-10-08T19:07:05.92 0.6 undecidable manual S 286 26.751 119 0.1 48
IV.FDMO.HHZ. 2020-10-08T19:07:03.17 0.6 undecidable manual P 302 40.0266 109 -0.15 46
IV.MF5.EHZ. 2020-10-08T19:07:03.22 0.6 undecidable manual S 346 16.1727 136 -0.33 47
IV.MMO1.HNZ. 2020-10-08T19:07:03.22 0.1 undecidable manual S 292 15.7731 137 -0.26 95
IV.CSP1.EHZ. 2020-10-08T19:07:02.57 0.3 positive manual P 318 36.6411 111 -0.26 68
IV.MTRA.EHZ. 2020-10-08T19:07:02.99 0.6 undecidable manual S 222 13.3755 142 -0.08 50
IV.TRTR.HHE. 2020-10-08T19:07:02.43 1.0 undecidable manual P 97 33.4443 113 0.06 24
IV.SMA1.EHZ. 2020-10-08T19:07:01.74 0.1 positive manual P 210 27.75 118 0.17 96
IV.TERO.HHZ. 2020-10-08T19:07:01.30 0.1 negative manual P 162 26.0517 120 -0.06 97
IV.MNTT.EHZ. 2020-10-08T19:07:01.03 0.6 undecidable manual P 17 24.9528 122 -0.18 48
IV.MC2.EHZ. 2020-10-08T19:07:01.60 1.0 undecidable manual P 286 26.751 119 0.15 24
IV.MMO1.HNZ. 2020-10-08T19:07:00.64 0.1 undecidable manual P 292 15.7731 137 0.54 90
IV.MTRA.EHZ. 2020-10-08T19:06:59.83 0.1 positive manual P 222 13.3755 142 -0.04 100
IV.MF5.EHZ. 2020-10-08T19:06:59.91 1.0 undecidable manual P 346 16.1727 136 -0.24 24
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.3 0.000141 0.48 AML other m 2020-10-08T19:07:03.34
IV.MTRA.EHN. ML:0.9 0.00005015 0.16 AML other m 2020-10-08T19:07:03.43
IV.SMA1.EHN. ML:1.1 0.0000596 0.26 AML other m 2020-10-08T19:07:06.77
IV.SMA1.EHE. ML:1.0 0.000046399999999999996 0.96 AML other m 2020-10-08T19:07:06.87
IV.MTRA.HNE. ML:1.3 0.0001246109 0.1024 AML other m 2020-10-08T19:07:03.10
IV.MTRA.HNN. ML:1.0 0.00006578769 0.2944 AML other m 2020-10-08T19:07:03.07
IV.MF5.EHE. ML:0.8 0.00003294598999999999 0.1536 AML other m 2020-10-08T19:07:03.36
IV.MF5.EHN. ML:1.2 0.00010605291999999999 0.3072 AML other m 2020-10-08T19:07:03.37
IV.TERO.HHE. ML:0.7 0.000022547715 0.2048 AML other m 2020-10-08T19:07:05.88
IV.TERO.HHN. ML:0.7 0.000023684630000000002 0.0768 AML other m 2020-10-08T19:07:05.98
IV.CSP1.EHE. ML:1.1 0.000043390600000000004 0.192 AML other m 2020-10-08T19:07:08.47
IV.CSP1.EHN. ML:1.2 0.00006221775 0.1408 AML other m 2020-10-08T19:07:08.47
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