Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.8 on date 21-06-2019 and time 08:53:14 (Italy) in region 2 km NW Accumoli (RI)

A magnitude ML 0.8 earthquake occured in region: 2 km NW Accumoli (RI), on

  • 21-06-2019 06:53:14 (UTC)
  • 21-06-2019 08:53:14 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7090, 13.2290 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.

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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
Arquata del Tronto AP 9 1178 1845
Amatrice RI 10 2657 4502
Cittareale RI 12 482 4984
Norcia PG 15 4957 9941
Acquasanta Terme AP 16 2916 12857
Montegallo AP 17 523 13380
Cascia PG 18 3217 16597

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km W of Teramo (54892 inhabitants)
42 Km NW of L'Aquila (69753 inhabitants)
50 Km E of Terni (111501 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
85 Km W of Pescara (121014 inhabitants)
87 Km W of Chieti (51815 inhabitants)
89 Km NE of Guidonia Montecelio (88673 inhabitants)
90 Km NE of Tivoli (56533 inhabitants)
98 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 0.8 2019-06-21
06:53:14		 42.7087 13.2292 11 2019-06-21
07:03:42		 Sala Sismica INGV-Roma 69755321
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-06-21 06:53:14 ± 0.05
Latitude 42.7087 ± 0.0036
Longitude 13.2292 ± 0.0049
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 69755321

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 389
Semi-minor axis of confidence ellipse (meter) 339
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 19
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38311
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 69755321
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-06-21 07:03:42
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ZONE.HHZ. 2019-06-21T06:55:10.60 3.0 undecidable manual Sg 11.12 0
NI.PALA.HHZ. 2019-06-21T06:54:53.74 3.0 undecidable manual Sn -0.15 0
IV.ILLI.HHZ. 2019-06-21T06:54:32.63 3.0 positive manual Pg 9.96 0
IV.APPI.EHZ. 2019-06-21T06:54:14.71 3.0 undecidable manual Pn -2.12 0
IV.NDIM.HNZ. 2019-06-21T06:53:59.11 3.0 negative manual Pn -0.11 0
IV.VBKN.HHZ. 2019-06-21T06:53:51.79 3.0 negative manual Pg 1.65 0
IV.IOCA.HHZ. 2019-06-21T06:53:49.12 3.0 negative manual Pn -0.17 0
IV.VIVA.HHZ. 2019-06-21T06:53:48.99 3.0 undecidable manual S -1.75 0
IV.LAV9.HNZ. 2019-06-21T06:53:36.00 3.0 undecidable manual P -0.34 0
IV.CSP1.EHZ. 2019-06-21T06:53:28.58 0.6 undecidable manual S 357 42.5241 50 0.49 43
IV.TERO.HHZ. 2019-06-21T06:53:24.99 0.6 undecidable manual S 107 32.0457 50 -0.28 46
IV.MC2.EHZ. 2019-06-21T06:53:23.16 0.6 undecidable manual S 352 22.755 50 0.37 46
IV.GAVE.EHZ. 2019-06-21T06:53:23.79 0.6 undecidable manual S 266 27.3504 50 -0.24 47
IV.MMO1.EHZ. 2019-06-21T06:53:22.59 0.6 undecidable manual S 21 22.5552 50 -0.17 48
IV.CSP1.EHZ. 2019-06-21T06:53:22.11 0.1 undecidable manual P 357 42.5241 50 -0.1 94
IV.LNSS.HHZ. 2019-06-21T06:53:21.71 0.6 undecidable manual S 233 19.3695 119 -0.14 48
IV.NRCA.HNZ. 2019-06-21T06:53:20.79 0.6 undecidable manual S 326 16.7721 123 -0.28 47
IV.MTRA.EHZ. 2019-06-21T06:53:20.23 0.6 undecidable manual S 69 14.6742 126 -0.24 48
IV.TERO.HHZ. 2019-06-21T06:53:20.53 0.1 undecidable manual P 107 32.0457 50 -0.05 96
IV.MMO1.EHZ. 2019-06-21T06:53:19.04 0.1 undecidable manual P 21 22.5552 50 -0.09 97
IV.GAVE.EHZ. 2019-06-21T06:53:19.88 0.1 undecidable manual P 266 27.3504 50 0.01 98
IV.RM33.EHZ. 2019-06-21T06:53:19.13 0.1 undecidable manual P 183 22.1556 50 0.06 98
IV.MC2.EHZ. 2019-06-21T06:53:19.20 0.1 undecidable manual P 352 22.755 50 0.05 98
IV.LNSS.HHZ. 2019-06-21T06:53:18.61 0.1 undecidable manual P 233 19.3695 119 0 100
IV.NRCA.HNZ. 2019-06-21T06:53:18.15 0.1 undecidable manual P 326 16.7721 123 -0.01 100
IV.T1299.HNZ. 2019-06-21T06:53:17.49 0.1 undecidable manual P 152 9.2796 139 0.47 92
IV.SMA1.EHZ. 2019-06-21T06:53:17.31 0.1 undecidable manual P 135 12.2766 131 -0.12 98
IV.MTRA.EHZ. 2019-06-21T06:53:17.89 0.1 undecidable manual P 69 14.6742 126 0.08 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:0.9 0.00006878904999999998 0.16 AML other m 2019-06-21T06:53:20.00
IV.MTRA.EHN. ML:0.9 0.00007266266 0.2208 AML other m 2019-06-21T06:53:20.33
IV.MTRA.HNE. ML:1.2 0.000136140235 1.1584 AML other m 2019-06-21T06:53:21.36
IV.MTRA.HNN. ML:1.3 0.0001878398 1.2576 AML other m 2019-06-21T06:53:20.59
IV.RM33.EHE. ML:0.4 0.000013350605 0.4608 AML other m 2019-06-21T06:53:22.70
IV.RM33.EHN. ML:0.2 0.0000103104095 0.1216 AML other m 2019-06-21T06:53:23.78
IV.GAVE.EHE. ML:0.6 0.000018366415000000002 0.16 AML other m 2019-06-21T06:53:24.61
IV.GAVE.EHN. ML:0.6 0.00002056361 0.2592 AML other m 2019-06-21T06:53:25.11
IV.GAVE.HNE. ML:1.3 0.00011327515 2.6208 AML other m 2019-06-21T06:53:23.71
IV.GAVE.HNN. ML:1.4 0.00012267781 0.7488 AML other m 2019-06-21T06:53:24.54
IV.TERO.HHE. ML:0.4 0.000009590042999999999 0.1408 AML other m 2019-06-21T06:53:26.25
IV.TERO.HHN. ML:0.5 0.00001279045 0.08 AML other m 2019-06-21T06:53:25.97
IV.TERO.HNE. ML:1.2 0.00006589674 1.2288 AML other m 2019-06-21T06:53:25.34
IV.TERO.HNN. ML:1.1 0.000060734165 0.9792 AML other m 2019-06-21T06:53:25.97
IV.CSP1.EHE. ML:0.7 0.000016615605899999995 3.0592 AML other m 2019-06-21T06:53:29.96
IV.CSP1.EHN. ML:0.8 0.000020463549 3.0592 AML other m 2019-06-21T06:53:28.33
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
Waveforms Seismic signals in miniseed + resp format not available