Earthquake with magnitude of ML 0.6 on date 14-08-2020 and time 20:46:22 (UTC) in region 3 km SE Accumoli (RI)

A magnitude ML 0.6 earthquake occured in region: 3 km SE Accumoli (RI), on

  • 14-08-2020 20:46:22 (UTC)
  • 14-08-2020 22:46:22 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6700, 13.2660 at 13 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
Accumoli RI 3 667 667
Amatrice RI 5 2657 3324
Cittareale RI 10 482 3806
Arquata del Tronto AP 12 1178 4984
Campotosto AQ 15 542 5526
Montereale AQ 16 2581 8107
Acquasanta Terme AP 16 2916 11023
Capitignano AQ 17 665 11688
Norcia PG 20 4957 16645
Montegallo AP 20 523 17168

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Teramo (54892 inhabitants)
37 Km NW of L'Aquila (69753 inhabitants)
52 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
99 Km E of Viterbo (67173 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 0.6 2020-08-14
20:46:22
42.6703 13.2665 13 2020-08-14
21:19:27
Sala Sismica INGV-Roma 81987071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-14 20:46:22 ± 0.08
Latitude 42.6703 ± 0.0054
Longitude 13.2665 ± 0.0061
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81987071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 700
Semi-minor axis of confidence ellipse (meter) 146
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 38
Circular confidence region, given by single value of horizontal uncertainty (meter) 700.0
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 13
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.06475
Epicentral distance of station farthest from the epicenter (degree) 0.31296
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 81987071
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-14 21:19:27
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GIGS.HHZ. 2020-08-14T20:46:34.20 0.6 undecidable manual S 134 34.743 95 -0.36 45
IV.TERO.HHZ. 2020-08-14T20:46:32.83 0.6 undecidable manual S 101 28.0497 97 0.05 49
IV.NRCA.HHZ. 2020-08-14T20:46:30.96 0.3 undecidable manual S 326 21.9669 101 -0.21 72
IV.LNSS.HNE. 2020-08-14T20:46:30.43 0.6 undecidable manual S 248 19.9689 104 -0.22 48
IV.RM33.EHZ. 2020-08-14T20:46:30.00 0.6 undecidable manual S 193 18.3705 106 -0.26 48
IV.GIGS.HHZ. 2020-08-14T20:46:29.64 0.3 undecidable manual P 134 34.743 95 0.04 73
IV.MC2.EHE. 2020-08-14T20:46:28.28 0.1 undecidable manual P 347 27.4503 97 -0.2 95
IV.TERO.HHZ. 2020-08-14T20:46:28.87 0.3 undecidable manual P 101 28.0497 97 0.3 70
IV.RM33.EHZ. 2020-08-14T20:46:27.16 0.1 undecidable manual P 193 18.3705 106 0.05 99
IV.NRCA.HHZ. 2020-08-14T20:46:27.81 0.1 positive manual P 326 21.9669 101 0.17 96
IV.SMA1.EHZ. 2020-08-14T20:46:27.55 0.6 undecidable manual S 128 7.1928 143 -0.2 49
IV.LNSS.HNE. 2020-08-14T20:46:27.62 0.1 undecidable manual P 248 19.9689 104 0.28 94
IV.SMA1.EHZ. 2020-08-14T20:46:25.79 0.1 undecidable manual P 128 7.1928 143 0.12 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:0.7 0.00005285 0.36 AML other m 2020-08-14T20:46:28.31
IV.SMA1.EHN. ML:0.6 0.0000453 0.2 AML other m 2020-08-14T20:46:28.22
IV.NRCA.HHN. ML:0.9 0.0000519 0.08 AML other m 2020-08-14T20:46:31.39
IV.NRCA.HHE. ML:1.0 0.00005935 0.06 AML other m 2020-08-14T20:46:31.44
IV.RM33.EHE. ML:0.4 0.00001769687 0.1536 AML other m 2020-08-14T20:46:30.36
IV.RM33.EHN. ML:0.4 0.000020299314999999998 0.2432 AML other m 2020-08-14T20:46:30.73
IV.NRCA.HNE. ML:0.8 0.00004593461 0.2688 AML other m 2020-08-14T20:46:31.04
IV.NRCA.HNN. ML:1.2 0.000107854055 0.5248 AML other m 2020-08-14T20:46:31.13
IV.TERO.HHE. ML:0.3 0.000008977194500000001 0.0768 AML other m 2020-08-14T20:46:34.55
IV.TERO.HHN. ML:0.3 0.000009358416000000002 0.0768 AML other m 2020-08-14T20:46:32.82
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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