Earthquake with magnitude of ML 0.7 on date 29-08-2020 and time 12:45:16 (Italy) in region 6 km W Arquata del Tronto (AP)

A magnitude ML 0.7 earthquake occured in region: 6 km W Arquata del Tronto (AP), on

  • 29-08-2020 10:45:16 (UTC)
  • 29-08-2020 12:45:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7990, 13.2280 at 11 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
Arquata del Tronto AP 6 1178 1178
Montegallo AP 10 523 1701
Norcia PG 11 4957 6658
Accumoli RI 12 667 7325
Castelsantangelo sul Nera MC 12 281 7606
Montemonaco AP 14 604 8210
Acquasanta Terme AP 15 2916 11126
Ussita MC 18 444 11570
Preci PG 18 724 12294
Montefortino FM 19 1178 13472
Visso MC 19 1107 14579
Amatrice RI 19 2657 17236
Cascia PG 20 3217 20453

Municipalities with at least 50000 inhabitants

An earthquake occurred to
42 Km W of Teramo (54892 inhabitants)
46 Km E of Foligno (57155 inhabitants)
52 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
76 Km E of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
89 Km W of Pescara (121014 inhabitants)
92 Km NW of Chieti (51815 inhabitants)
94 Km S of Ancona (100861 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
99 Km NE of Tivoli (56533 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 0.7 2020-08-29
10:45:16
42.7987 13.2282 11 2020-08-29
10:58:02
Sala Sismica INGV-Roma 82437401
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-29 10:45:16 ± 0.05
Latitude 42.7987 ± 0.0027
Longitude 13.2282 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82437401

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 345
Semi-minor axis of confidence ellipse (meter) 183
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 49
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 138
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29318
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 2
Type of magnitude ML
Reference to an origin 82437401
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-29 10:58:02
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
XK.ALB1.HHZ. 2020-08-29T10:47:01.34 3.0 undecidable manual Sn -3.85 0
XK.GIZZ.HHZ. 2020-08-29T10:46:55.18 3.0 undecidable manual Sn -6.74 0
IV.SBPO.HNZ. 2020-08-29T10:46:44.11 3.0 undecidable manual Sg 13.79 0
IX.STN3.HHZ.02 2020-08-29T10:46:27.74 3.0 undecidable manual Sn 2.4 0
GU.GSCL.HHZ. 2020-08-29T10:46:23.62 3.0 undecidable manual Sn 2.75 0
IV.CAVE.HHZ. 2020-08-29T10:46:23.89 3.0 undecidable manual Sn -1.88 0
MN.BLY.HHZ. 2020-08-29T10:46:18.29 3.0 undecidable manual Pg 13.07 0
XK.ALB1.HHZ. 2020-08-29T10:46:14.71 3.0 undecidable manual Pn -0.4 0
GU.GRAM.HHZ. 2020-08-29T10:46:05.22 3.0 undecidable manual Pg 9.89 0
IV.CMPR.HHZ. 2020-08-29T10:45:58.76 3.0 undecidable manual Pg 6.09 0
IV.PTRP.HHZ. 2020-08-29T10:45:53.68 3.0 undecidable manual Pn -2.13 0
IV.CPGN.EHZ. 2020-08-29T10:45:53.13 3.0 undecidable manual Sg 1.41 0
IV.PTRJ.HHZ. 2020-08-29T10:45:40.01 3.0 undecidable manual Pg 3.57 0
IV.PE3.EHZ. 2020-08-29T10:45:31.01 3.0 positive manual Pn -0.81 0
IV.CSP1.EHZ. 2020-08-29T10:45:27.65 0.3 undecidable manual S 357 32.5452 50 -0.03 72
IV.LAV9.HHZ. 2020-08-29T10:45:26.64 3.0 undecidable manual Pg -0.92 0
IV.GAVE.EHZ. 2020-08-29T10:45:25.61 3.0 undecidable manual Sn 0.33 0
IV.SMA1.EHE. 2020-08-29T10:45:24.53 0.3 undecidable manual S 155 20.5683 50 0.05 74
IV.MMO1.EHZ. 2020-08-29T10:45:22.57 0.1 undecidable manual S 36 13.7751 129 -0.05 99
IV.MF5.EHZ. 2020-08-29T10:45:22.68 3.0 positive manual Pn 0.65 0
IV.MC2.EHZ. 2020-08-29T10:45:22.35 0.3 undecidable manual S 346 12.876 130 -0.05 75
IV.MTRA.EHZ. 2020-08-29T10:45:22.76 0.1 undecidable manual S 109 14.4744 127 -0.06 99
IV.CSP1.EHZ. 2020-08-29T10:45:22.88 0.1 undecidable manual P 357 32.5452 50 -0.08 95
IV.NRCA.HNZ. 2020-08-29T10:45:21.56 0.1 undecidable manual S 293 10.0788 138 -0.12 98
IV.SMA1.EHE. 2020-08-29T10:45:21.05 0.3 undecidable manual P 155 20.5683 50 -0.06 73
IV.MTRA.EHZ. 2020-08-29T10:45:20.19 0.1 undecidable manual P 109 14.4744 127 0.04 99
IV.MMO1.EHZ. 2020-08-29T10:45:20.09 0.1 undecidable manual P 36 13.7751 129 0.05 99
IV.MC2.EHZ. 2020-08-29T10:45:20.20 0.1 undecidable manual P 346 12.876 130 0.29 95
IV.NRCA.HNZ. 2020-08-29T10:45:19.54 0.1 undecidable manual P 293 10.0788 138 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:0.0 0.000056952724999999996 0.9792 AML other m 2020-08-29T10:45:23.34
IV.MTRA.EHE. ML:0.0 0.00004738186 0.1216 AML other m 2020-08-29T10:45:23.08
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