Earthquake with magnitude of ML 1.3 on date 16-10-2020 and time 22:11:53 (UTC) in region 3 km E Roccafluvione (AP)

A magnitude ML 1.3 earthquake occured in region: 3 km E Roccafluvione (AP), on

  • 16-10-2020 22:11:53 (UTC)
  • 17-10-2020 00:11:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8500, 13.5110 at 20 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
Rotella AP 12 906 66742
Force AP 13 1354 68096
Valle Castellana TE 13 977 69073
Castignano AP 13 2796 71869
Appignano del Tronto AP 14 1785 73654
Comunanza AP 14 3166 76820
Montegallo AP 14 523 77343
Maltignano AP 15 2401 79744
Montedinove AP 15 488 80232
Civitella del Tronto TE 15 5116 85348
Montefalcone Appennino FM 16 424 85772
Montemonaco AP 16 604 86376
Castel di Lama AP 17 8634 95010
Sant'Egidio alla Vibrata TE 17 9811 104821
Montefortino FM 17 1178 105999
Montalto delle Marche AP 17 2122 108121
Offida AP 18 5058 113179
Smerillo FM 18 365 113544
Rocca Santa Maria TE 18 537 114081
Castorano AP 19 2380 116461
Ancarano TE 19 1857 118318
Montelparo FM 19 778 119096
Santa Vittoria in Matenano FM 19 1330 120426
Amandola FM 19 3629 124055
Arquata del Tronto AP 19 1178 125233
Colli del Tronto AP 20 3668 128901
Campli TE 20 7209 136110

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Teramo (54892 inhabitants)
56 Km N of L'Aquila (69753 inhabitants)
64 Km NW of Montesilvano (53738 inhabitants)
67 Km E of Foligno (57155 inhabitants)
72 Km NW of Pescara (121014 inhabitants)
77 Km NW of Chieti (51815 inhabitants)
78 Km E of Terni (111501 inhabitants)
85 Km S of Ancona (100861 inhabitants)
96 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 1.3 2020-10-16
22:11:53
42.8503 13.5108 20 2020-10-16
22:20:05
Sala Sismica INGV-Roma 83829341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-16 22:11:53 ± 0.13
Latitude 42.8503 ± 0.0036
Longitude 13.5108 ± 0.0061
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 83829341

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 459
Semi-minor axis of confidence ellipse (meter) 143
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 287
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 106
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.36153
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 14
Type of magnitude ML
Reference to an origin 83829341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-16 22:20:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CRTC.HHZ. 2020-10-16T22:12:27.88 3.0 undecidable manual S 0.13 0
IV.FDMO.HHZ. 2020-10-16T22:12:06.90 0.6 undecidable manual S 301 40.1265 108 0.1 47
IV.NRCA.HHZ. 2020-10-16T22:12:05.22 0.6 undecidable manual S 267 32.3454 113 0.37 45
IV.SMA1.EHZ. 2020-10-16T22:12:04.12 0.6 undecidable manual S 210 28.2495 117 0.25 46
IV.GUMA.HHZ. 2020-10-16T22:12:03.87 0.6 undecidable manual S 329 27.5502 118 0.17 48
IV.MNTT.EHZ. 2020-10-16T22:12:03.43 0.6 undecidable manual S 16 24.4533 121 0.45 45
IV.OFFI.HHZ. 2020-10-16T22:12:01.84 0.6 undecidable manual S 57 17.0718 133 0.45 45
IV.RM33.EHZ. 2020-10-16T22:12:01.94 3.0 undecidable manual P -0.14 0
IV.FDMO.HHZ. 2020-10-16T22:12:00.91 0.1 undecidable manual P 301 40.1265 108 -0.17 93
IV.MMO1.EHZ. 2020-10-16T22:12:00.99 0.6 undecidable manual S 290 15.873 136 -0.19 48
IV.NRCA.HHZ. 2020-10-16T22:12:00.01 0.3 positive manual P 267 32.3454 113 0.06 72
IV.CSP1.EHZ. 2020-10-16T22:12:00.36 3.0 undecidable manual P -0.29 0
IV.MTRA.EHZ. 2020-10-16T22:12:00.77 0.6 undecidable manual S 222 13.9749 140 -0.06 50
IV.MF5.EHZ. 2020-10-16T22:12:00.74 0.6 undecidable manual S 345 15.7731 136 -0.42 46
IV.GUMA.HHZ. 2020-10-16T22:11:59.16 0.3 positive manual P 329 27.5502 118 -0.13 72
IV.SMA1.EHZ. 2020-10-16T22:11:59.48 0.1 positive manual P 210 28.2495 117 0.09 96
IV.TERO.HHZ. 2020-10-16T22:11:58.98 0.1 positive manual P 163 26.3514 119 -0.15 96
IV.MNTT.EHZ. 2020-10-16T22:11:58.86 0.1 undecidable manual P 16 24.4533 121 -0.01 99
IV.MTRA.EHZ. 2020-10-16T22:11:57.58 0.1 positive manual P 222 13.9749 140 -0.05 100
IV.MF5.EHZ. 2020-10-16T22:11:57.59 0.6 positive manual P 345 15.7731 136 -0.23 48
IV.MMO1.EHZ. 2020-10-16T22:11:57.69 0.6 undecidable manual P 290 15.873 136 -0.14 49
IV.OFFI.HHZ. 2020-10-16T22:11:57.90 0.1 undecidable manual P 57 17.0718 133 -0.06 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.3 0.00014399999999999998 1.58 AML other m 2020-10-16T22:12:00.08
IV.MTRA.EHE. ML:1.6 0.000236 1.52 AML other m 2020-10-16T22:12:01.10
IV.TERO.HHE. ML:1.3 0.0000915 0.18 AML other m 2020-10-16T22:12:03.59
IV.TERO.HHN. ML:1.3 0.00009295000000000001 0.78 AML other m 2020-10-16T22:12:04.68
IV.SMA1.EHN. ML:1.3 0.0000872 0.26 AML other m 2020-10-16T22:12:04.52
IV.SMA1.EHE. ML:1.2 0.00007664999999999999 0.96 AML other m 2020-10-16T22:12:04.62
IV.NRCA.HHN. ML:1.6 0.0001535 0.08 AML other m 2020-10-16T22:12:05.71
IV.NRCA.HHE. ML:1.6 0.000148 0.08 AML other m 2020-10-16T22:12:05.82
IV.MF5.EHE. ML:1.1 0.00007356553 0.32 AML other m 2020-10-16T22:12:01.12
IV.MF5.EHN. ML:1.3 0.0001287892 0.2816 AML other m 2020-10-16T22:12:00.99
IV.GUMA.HHE. ML:1.4 0.000099791815 0.1792 AML other m 2020-10-16T22:12:05.44
IV.GUMA.HHN. ML:1.3 0.00007846287 0.2048 AML other m 2020-10-16T22:12:04.01
IV.FDMO.HHE. ML:0.9 0.000023752275 0.1408 AML other m 2020-10-16T22:12:07.32
IV.FDMO.HHN. ML:0.9 0.000026261399999999996 0.1152 AML other m 2020-10-16T22:12:07.16
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