Earthquake with magnitude of ML 1.3 on date 04-10-2020 and time 16:15:24 (Italy) in region 3 km E Roccafluvione (AP)

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

  • 04-10-2020 14:15:24 (UTC)
  • 04-10-2020 16:15:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8540, 13.5110 at 20 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Rotella AP 12 906 63826
Force AP 12 1354 65180
Acquasanta Terme AP 12 2916 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 15 523 77343
Montedinove AP 15 488 77831
Maltignano AP 15 2401 80232
Civitella del Tronto TE 16 5116 85348
Montefalcone Appennino FM 16 424 85772
Montemonaco AP 16 604 86376
Castel di Lama AP 17 8634 95010
Montalto delle Marche AP 17 2122 97132
Montefortino FM 17 1178 98310
Sant'Egidio alla Vibrata TE 17 9811 108121
Offida AP 17 5058 113179
Smerillo FM 18 365 113544
Montelparo FM 19 778 114322
Castorano AP 19 2380 116702
Santa Vittoria in Matenano FM 19 1330 118032
Rocca Santa Maria TE 19 537 118569
Amandola FM 19 3629 122198
Ancarano TE 19 1857 124055
Arquata del Tronto AP 20 1178 125233
Colli del Tronto AP 20 3668 128901

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Teramo (54892 inhabitants)
57 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)
78 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
Bulletin
Rev1000
ML 1.3 2020-10-04
14:15:24
42.8537 13.5107 20 2021-02-26
14:56:16
Bollettino Sismico Italiano INGV 86376211
Reviewed
Rev100
ML 1.3 2020-10-04
14:15:24
42.8623 13.5312 19 2020-10-04
14:38:23
Sala Sismica INGV-Roma 83496941
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-10-04 14:15:24 ± 0.12
Latitude 42.8537 ± 0.0036
Longitude 13.5107 ± 0.0049
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 86376211

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 426
Semi-minor axis of confidence ellipse (meter) 153
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 88
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 105
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.12770
Epicentral distance of station farthest from the epicenter (degree) 0.35973
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 86376211
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2021-01-19 11:33:40

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 83496941
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-10-04 14:38:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2020-10-04T14:15:37.79 0.6 undecidable manual S 301 39.9267 107 0 49
IV.NRCA.HHZ. 2020-10-04T14:15:36.19 0.6 undecidable manual S 266 32.3454 112 0.31 46
IV.CSP1.EHZ. 2020-10-04T14:15:36.89 0.6 undecidable manual S 317 36.2415 109 0.03 49
IV.SAP2.EHZ. 2020-10-04T14:15:35.12 0.3 undecidable manual S 341 28.4493 116 0.19 72
IV.SMA1.EHZ. 2020-10-04T14:15:35.21 0.6 undecidable manual S 210 28.5492 115 0.24 47
IV.MNTT.EHZ. 2020-10-04T14:15:34.56 0.6 undecidable manual S 17 24.1536 121 0.64 44
IV.MC2.EHZ. 2020-10-04T14:15:34.90 0.6 undecidable manual S 284 26.9508 117 0.33 46
IV.TERO.HHZ. 2020-10-04T14:15:34.53 0.6 undecidable manual S 163 26.751 117 0.01 50
IV.MF5.EHZ. 2020-10-04T14:15:31.79 0.6 undecidable manual S 344 15.4734 136 -0.3 48
IV.FDMO.HHZ. 2020-10-04T14:15:31.91 0.6 negative manual P 301 39.9267 107 -0.2 48
IV.MTRA.HNZ. 2020-10-04T14:15:31.85 0.6 undecidable manual S 221 14.1747 138 -0.01 51
IV.MMO1.EHZ. 2020-10-04T14:15:31.82 0.6 undecidable manual S 289 15.7731 135 -0.33 48
IV.CSP1.EHZ. 2020-10-04T14:15:31.32 0.3 negative manual P 317 36.2415 109 -0.25 71
IV.MC2.EHZ. 2020-10-04T14:15:30.35 0.6 negative manual P 284 26.9508 117 0.11 49
IV.TERO.HHZ. 2020-10-04T14:15:30.12 0.3 negative manual P 163 26.751 117 -0.1 74
IV.SAP2.EHZ. 2020-10-04T14:15:30.45 0.3 undecidable manual P 341 28.4493 116 0 75
IV.SMA1.EHZ. 2020-10-04T14:15:30.53 0.1 positive manual P 210 28.5492 115 0.06 98
IV.GUMA.HNN. 2020-10-04T14:15:30.13 0.6 undecidable manual P 328 27.2505 117 -0.16 49
IV.NRCA.HHZ. 2020-10-04T14:15:30.98 0.3 undecidable manual P 266 32.3454 112 -0.02 74
IV.MNTT.EHZ. 2020-10-04T14:15:29.94 0.1 undecidable manual P 17 24.1536 121 0.07 100
IV.OFFI.HHZ. 2020-10-04T14:15:28.97 0.3 undecidable manual P 58 16.872 133 0 76
IV.MF5.EHZ. 2020-10-04T14:15:28.57 0.1 negative manual P 344 15.4734 136 -0.24 97
IV.MTRA.HNZ. 2020-10-04T14:15:28.62 0.3 negative manual P 221 14.1747 138 -0.06 76
IV.MMO1.EHZ. 2020-10-04T14:15:28.67 1.0 undecidable manual P 289 15.7731 135 -0.17 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHN. ML:0.7 0.000013835299155 0.7968 AML other m 2020-10-04T14:15:31.58
IV.MTRA.EHN. ML:1.1 0.00008480749 0.0832 AML other m 2020-10-04T14:15:32.01
IV.MTRA.HNN. ML:1.2 0.000104893815 0.1024 AML other m 2020-10-04T14:15:32.00
IV.MF5.EHN. ML:1.4 0.00014686024 1.7248 AML other m 2020-10-04T14:15:32.06
IV.MTRA.HNE. ML:1.1 0.00009198742 0.0576 AML other m 2020-10-04T14:15:32.28
IV.MTRA.EHE. ML:1.1 0.000089839995 0.0576 AML other m 2020-10-04T14:15:32.29
IV.MF5.EHE. ML:1.2 0.000096825105 0.4416 AML other m 2020-10-04T14:15:34.11
IV.TERO.HHN. ML:1.2 0.00007039712 0.0832 AML other m 2020-10-04T14:15:34.71
IV.TERO.HHE. ML:1.3 0.00010123876500000001 0.0576 AML other m 2020-10-04T14:15:34.74
IV.SMA1.EHN. ML:1.4 0.00010203804999999999 0.0832 AML other m 2020-10-04T14:15:35.73
IV.SMA1.EHE. ML:1.2 0.00007087292 0.16 AML other m 2020-10-04T14:15:36.33
IV.NRCA.HHN. ML:1.6 0.00014500435 0.16 AML other m 2020-10-04T14:15:36.57
IV.NRCA.HHE. ML:1.7 0.00018298229999999998 0.1408 AML other m 2020-10-04T14:15:36.81
IV.NRCA.HNE. ML:1.7 0.00017958014999999998 0.1408 AML other m 2020-10-04T14:15:36.81
IV.CSP1.EHE. ML:1.4 0.00007754036999999999 0.2432 AML other m 2020-10-04T14:15:37.01
IV.CSP1.EHN. ML:1.5 0.0000976191 0.16 AML other m 2020-10-04T14:15:37.15
IV.TERO.HNN. ML:1.4 0.0001202772 0.512 AML other m 2020-10-04T14:15:41.53
IV.TERO.HNE. ML:1.5 0.0001347758 1.296 AML other m 2020-10-04T14:15:41.26
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