Earthquake with magnitude of ML 0.5 on date 06-08-2020 and time 00:15:39 (UTC) in region 2 km W Accumoli (RI)

A magnitude ML 0.5 earthquake occured in region: 2 km W Accumoli (RI), on

  • 06-08-2020 00:15:39 (UTC)
  • 06-08-2020 02:15:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6910, 13.2270 at 11 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
Accumoli RI 2 667 667
Amatrice RI 8 2657 3324
Cittareale RI 10 482 3806
Arquata del Tronto AP 11 1178 4984
Norcia PG 16 4957 9941
Acquasanta Terme AP 17 2916 12857
Cascia PG 18 3217 16074
Montereale AQ 19 2581 18655
Campotosto AQ 19 542 19197
Montegallo AP 19 523 19720
Capitignano AQ 20 665 20385

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
40 Km NW of L'Aquila (69753 inhabitants)
50 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
86 Km W of Chieti (51815 inhabitants)
87 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
97 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
Bulletin
Rev1000
ML 0.5 2020-08-06
00:15:39
42.6908 13.2272 11 2020-11-19
12:37:04
Bollettino Sismico Italiano INGV 83807071
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-06 00:15:39 ± 0.05
Latitude 42.6908 ± 0.0027
Longitude 13.2272 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 83807071

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 383
Semi-minor axis of confidence ellipse (meter) 253
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 238
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 25
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) 0.39300
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.5

Field Value
Value 0.5
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 83807071
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-10-15 15:23:01
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2020-08-06T00:17:14.50 3.0 undecidable manual Sg 15.77 0
IV.HAGA.HHZ. 2020-08-06T00:17:09.96 3.0 negative manual Pg 12.26 0
GU.TRAV.HHZ. 2020-08-06T00:16:37.84 3.0 undecidable manual Pn 2.46 0
IV.IMI.HHZ. 2020-08-06T00:16:36.94 3.0 undecidable manual Pg 10.3 0
IV.IST3.HHZ. 2020-08-06T00:16:35.98 3.0 negative manual Pn -2.23 0
IV.EUCT.HNZ. 2020-08-06T00:16:22.22 3.0 negative manual Pn 0.37 0
IV.CMPR.HHZ. 2020-08-06T00:16:11.57 3.0 undecidable manual Pn -8.2 0
IV.CESI.HHE. 2020-08-06T00:15:54.05 0.6 undecidable manual S 323 43.623 50 0.37 45
IV.FIR.HHZ. 2020-08-06T00:15:53.79 3.0 positive manual Pg -1.12 0
IV.FDMO.HHZ. 2020-08-06T00:15:52.63 0.6 undecidable manual S 344 40.0266 50 -0.08 47
IV.MMO1.EHN. 2020-08-06T00:15:48.49 0.6 undecidable manual S 19 24.5532 50 -0.09 48
IV.MC2.EHZ. 2020-08-06T00:15:48.89 0.6 undecidable manual S 353 24.6531 50 0.27 48
IV.RM33.EHZ. 2020-08-06T00:15:47.30 0.3 undecidable manual S 183 20.1687 50 -0.13 73
IV.MF5.EHN. 2020-08-06T00:15:47.12 0.1 undecidable manual P 30 38.0286 50 0.28 94
IV.CAMP.HHE. 2020-08-06T00:15:47.98 0.3 undecidable manual S 139 22.755 50 -0.13 71
IV.FDMO.HHZ. 2020-08-06T00:15:47.14 0.6 undecidable manual P 344 40.0266 50 0 48
IV.CESI.HHE. 2020-08-06T00:15:47.61 0.1 undecidable manual P 323 43.623 50 -0.09 94
IV.GIGS.HHN. 2020-08-06T00:15:46.47 0.6 undecidable manual P 133 38.628 50 -0.47 43
IV.LNSS.HNZ. 2020-08-06T00:15:46.73 0.6 undecidable manual S 237 18.0708 121 -0.14 50
IV.NRCA.HHZ. 2020-08-06T00:15:46.58 0.3 undecidable manual S 330 18.2706 50 -0.34 72
IV.MTRA.EHE. 2020-08-06T00:15:45.91 0.3 undecidable manual S 62 15.5733 125 -0.23 73
IV.SMA1.EHZ. 2020-08-06T00:15:45.01 0.6 undecidable manual S 127 11.0778 134 0.08 50
IV.TERO.HHZ. 2020-08-06T00:15:45.88 0.6 undecidable manual P 104 31.6461 50 0.02 49
IV.T1299.HNN. 2020-08-06T00:15:44.30 0.6 undecidable manual S 144 7.6812 145 0.13 49
IV.MC2.EHZ. 2020-08-06T00:15:44.95 0.3 undecidable manual P 353 24.6531 50 0.17 73
IV.RM33.EHZ. 2020-08-06T00:15:44.00 0.6 undecidable manual P 183 20.1687 50 -0.1 49
IV.CAMP.HHE. 2020-08-06T00:15:44.46 0.1 undecidable manual P 139 22.755 50 -0.03 98
IV.MMO1.EHN. 2020-08-06T00:15:44.46 0.1 undecidable manual P 19 24.5532 50 -0.3 93
IV.NRCA.HHZ. 2020-08-06T00:15:43.81 0.1 negative manual P 330 18.2706 50 0.01 100
IV.MTRA.EHE. 2020-08-06T00:15:43.36 0.3 undecidable manual P 62 15.5733 125 0.01 76
IV.LNSS.HNZ. 2020-08-06T00:15:43.89 0.1 undecidable manual P 237 18.0708 121 0.12 98
IV.SMA1.EHZ. 2020-08-06T00:15:42.93 0.3 undecidable manual P 127 11.0778 134 0.28 72
IV.T1299.HNN. 2020-08-06T00:15:42.54 0.1 undecidable manual P 144 7.6812 145 0.33 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.2 0.00001958035 0.22 AML other m 2020-08-06T00:15:45.46
IV.SMA1.EHE. ML:0.4 0.00002781677 1.24 AML other m 2020-08-06T00:15:45.59
IV.RM33.EHE. ML:0.7 0.000033788435000000006 2.26 AML other m 2020-08-06T00:15:48.19
IV.RM33.EHN. ML:0.5 0.00002391081 1.92 AML other m 2020-08-06T00:15:47.64
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