Earthquake with magnitude of ML 0.8 on date 13-08-2019 and time 15:09:53 (Italy) in region 3 km NE Accumoli (RI)

A magnitude ML 0.8 earthquake occured in region: 3 km NE Accumoli (RI), on

  • 13-08-2019 13:09:53 (UTC)
  • 13-08-2019 15:09:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7230, 13.2680 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
Accumoli RI 3 667 667
Arquata del Tronto AP 6 1178 1845
Amatrice RI 11 2657 4502
Acquasanta Terme AP 13 2916 7418
Montegallo AP 14 523 7941
Cittareale RI 15 482 8423
Norcia PG 16 4957 13380
Valle Castellana TE 19 977 14357

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km W of Teramo (54892 inhabitants)
43 Km N of L'Aquila (69753 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
76 Km W of Montesilvano (53738 inhabitants)
83 Km W of Pescara (121014 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
85 Km W of Chieti (51815 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
93 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 0.8 2019-08-13
13:09:53
42.7232 13.2678 11 2019-08-13
13:14:08
Sala Sismica INGV-Roma 71454951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-13 13:09:53 ± 0.09
Latitude 42.7232 ± 0.0045
Longitude 13.2678 ± 0.0086
Depth (km) 11 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 71454951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 581
Semi-minor axis of confidence ellipse (meter) 477
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 124
Circular confidence region, given by single value of horizontal uncertainty (meter) 580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 147
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.33994
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 71454951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-13 13:14:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IT.PLTA.HNZ. 2019-08-13T13:10:22.18 3.0 positive manual P 0.82 0
IV.SACS.HNZ. 2019-08-13T13:10:15.43 3.0 undecidable manual P 0.24 0
IV.FDMO.HHZ. 2019-08-13T13:10:06.03 0.1 undecidable manual S 337 37.7289 91 -0.05 95
IV.TERO.HHZ. 2019-08-13T13:10:03.88 0.3 undecidable manual S 112 29.5482 91 -0.02 73
IV.RM33.EHZ. 2019-08-13T13:10:02.36 0.1 undecidable manual S 190 24.1536 91 -0.09 96
IV.MMO1.EHZ. 2019-08-13T13:10:01.29 0.1 undecidable manual S 14 20.1687 92 -0.09 99
IV.FDMO.HHZ. 2019-08-13T13:10:00.52 1.0 positive manual P 337 37.7289 91 -0.26 23
IV.MF5.EHZ. 2019-08-13T13:10:00.55 0.6 positive manual P 28 33.2445 91 0.46 43
IV.SMA1.EHZ. 2019-08-13T13:09:59.19 0.1 undecidable manual S 152 11.6772 113 0.04 100
IV.TERO.HHZ. 2019-08-13T13:09:59.39 0.1 undecidable manual P 112 29.5482 91 -0.13 95
IV.RM33.EHZ. 2019-08-13T13:09:58.69 0.6 negative manual P 190 24.1536 91 0 49
IV.MMO1.EHZ. 2019-08-13T13:09:58.00 0.1 positive manual P 14 20.1687 92 -0.07 99
IV.SMA1.EHZ. 2019-08-13T13:09:56.93 0.1 negative manual P 152 11.6772 113 0.15 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:0.9 0.00009705 0.22 AML other m 2019-08-13T13:09:59.27
IV.SMA1.EHE. ML:1.0 0.00010255 0.56 AML other m 2019-08-13T13:09:59.47
IV.RM33.EHN. ML:0.9 0.000047850000000000004 0.56 AML other m 2019-08-13T13:10:02.55
IV.RM33.EHE. ML:1.0 0.00005725 1.7 AML other m 2019-08-13T13:10:03.90
IV.TERO.HHN. ML:0.9 0.00003775 0.08 AML other m 2019-08-13T13:10:04.35
IV.TERO.HHE. ML:0.8 0.000028 0.94 AML other m 2019-08-13T13:10:04.50
IV.FDMO.HHN. ML:0.6 0.000014555 1.76 AML other m 2019-08-13T13:10:06.04
IV.FDMO.HHE. ML:0.4 0.000011599999999999999 0.22 AML other m 2019-08-13T13:10:06.30
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