Earthquake with magnitude of ML 1.4 on date 23-08-2019 and time 17:04:34 (Italy) in region 7 km E Accumoli (RI)

A magnitude ML 1.4 earthquake occured in region: 7 km E Accumoli (RI), on

  • 23-08-2019 15:04:34 (UTC)
  • 23-08-2019 17:04:34 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6970, 13.3360 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 7 667 667
Amatrice RI 8 2657 3324
Arquata del Tronto AP 9 1178 4502
Acquasanta Terme AP 10 2916 7418
Valle Castellana TE 14 977 8395
Campotosto AQ 16 542 8937
Rocca Santa Maria TE 16 537 9474
Montegallo AP 16 523 9997
Cortino TE 16 656 10653
Cittareale RI 17 482 11135
Capitignano AQ 20 665 11800

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Teramo (54892 inhabitants)
39 Km N of L'Aquila (69753 inhabitants)
58 Km E of Terni (111501 inhabitants)
59 Km E of Foligno (57155 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
76 Km W of Pescara (121014 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
90 Km SE of Perugia (166134 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 1.4 2019-08-23
15:04:34
42.697 13.336 13 2019-08-23
15:11:28
Sala Sismica INGV-Roma 71747201
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-23 15:04:34 ± 0.04
Latitude 42.6970 ± 0.0018
Longitude 13.3360 ± 0.0037
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 71747201

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 290
Semi-minor axis of confidence ellipse (meter) 143
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 241
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.16
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.40649
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 18
Type of magnitude ML
Reference to an origin 71747201
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-23 15:11:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.DGI.HHZ. 2019-08-23T15:06:28.43 3.0 undecidable manual Sg 16.85 0
IV.PCN.EHZ. 2019-08-23T15:06:25.73 3.0 undecidable manual Sg 17.6 0
IV.CAR1.HHZ. 2019-08-23T15:06:19.22 3.0 undecidable manual Sn -3.81 0
RD.PGF.BHZ. 2019-08-23T15:06:14.36 3.0 undecidable manual Sg 14.26 0
IV.CAGR.HHZ. 2019-08-23T15:06:01.02 3.0 undecidable manual Pg 11.25 0
IT.VRB.HGZ. 2019-08-23T15:05:56.61 3.0 undecidable manual Pg 13.04 0
GU.POPM.HHZ. 2019-08-23T15:05:45.40 3.0 undecidable manual Sg 6.52 0
GU.GSCL.HHZ. 2019-08-23T15:05:45.24 3.0 undecidable manual Sn -0.57 0
IV.FVI.HHZ. 2019-08-23T15:05:45.18 3.0 undecidable manual Pg 11.98 0
IV.AGLI.HHZ. 2019-08-23T15:05:39.78 3.0 undecidable manual Pg 13.57 0
IT.ORP.HGZ. 2019-08-23T15:05:36.39 3.0 undecidable manual Sg 3.2 0
IV.RIBO.EHZ.01 2019-08-23T15:05:28.32 3.0 undecidable manual Sn 4.82 0
IV.BRSN.EHZ. 2019-08-23T15:05:26.54 3.0 undecidable manual Sn -1.11 0
IV.CMPR.HHZ. 2019-08-23T15:05:23.78 3.0 undecidable manual Pg 5.93 0
IV.LAV9.HNZ. 2019-08-23T15:05:08.02 3.0 undecidable manual S -1.62 0
IV.ARVD.HHZ. 2019-08-23T15:05:04.50 3.0 undecidable manual S 0.51 0
IV.CSP1.EHZ. 2019-08-23T15:04:49.43 0.3 undecidable manual S 346 45.1215 93 0.35 65
IV.VVLD.HHZ. 2019-08-23T15:04:49.60 3.0 undecidable manual P -1.33 0
IV.GIGS.HHZ. 2019-08-23T15:04:45.92 0.3 undecidable manual S 144 33.2445 94 -0.01 72
IV.LNSS.HHZ. 2019-08-23T15:04:44.10 0.1 undecidable manual S 247 26.2515 97 0.02 97
IV.MC2.EHZ. 2019-08-23T15:04:44.24 0.1 undecidable manual S 333 26.6511 97 0.07 96
IV.TERO.HHZ. 2019-08-23T15:04:43.16 0.1 undecidable manual S 111 23.3544 98 -0.14 95
IV.RM33.EHZ. 2019-08-23T15:04:43.30 0.1 undecidable manual S 205 23.0547 99 0.06 97
IV.CAMP.HHZ. 2019-08-23T15:04:42.09 0.1 undecidable manual S 162 18.87 104 -0.03 98
IV.CSP1.EHZ. 2019-08-23T15:04:42.96 0.1 undecidable manual P 346 45.1215 93 0.01 94
IV.NRCA.HHZ. 2019-08-23T15:04:42.95 0.1 undecidable manual S 310 23.5542 98 -0.41 91
IV.GIGS.HHZ. 2019-08-23T15:04:41.11 0.1 undecidable manual P 144 33.2445 94 -0.03 96
IV.MC2.EHZ. 2019-08-23T15:04:40.15 0.1 undecidable manual P 333 26.6511 97 0.03 97
IV.MTRA.HNZ. 2019-08-23T15:04:39.63 0.1 undecidable manual S 37 8.2806 137 -0.03 100
IV.NRCA.HHZ. 2019-08-23T15:04:39.47 0.1 undecidable manual P 310 23.5542 98 -0.18 95
IV.SMA1.EHZ. 2019-08-23T15:04:39.41 0.1 undecidable manual S 180 7.3815 141 -0.1 98
IV.TERO.HHZ. 2019-08-23T15:04:39.59 0.1 undecidable manual P 111 23.3544 98 -0.03 97
IV.RM33.EHZ. 2019-08-23T15:04:39.68 0.1 undecidable manual P 205 23.0547 99 0.1 96
IV.LNSS.HHZ. 2019-08-23T15:04:39.98 0.1 undecidable manual P 247 26.2515 97 -0.09 96
IV.CAMP.HHZ. 2019-08-23T15:04:38.98 0.1 undecidable manual P 162 18.87 104 0.04 98
IV.MTRA.HNZ. 2019-08-23T15:04:37.66 0.1 undecidable manual P 37 8.2806 137 0.15 98
IV.SMA1.EHZ. 2019-08-23T15:04:37.69 0.1 negative manual P 180 7.3815 141 0.27 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.00047400000000000003 0.34 AML other m 2019-08-23T15:04:39.74
IV.MTRA.HNN. ML:1.6 0.000546 0.12 AML other m 2019-08-23T15:04:39.71
IV.MTRA.EHN. ML:1.6 0.000537 0.12 AML other m 2019-08-23T15:04:39.72
IV.SMA1.EHE. ML:1.5 0.00040800000000000005 0.16 AML other m 2019-08-23T15:04:39.82
IV.MTRA.HNE. ML:1.4 0.0002845 0.26 AML other m 2019-08-23T15:04:39.87
IV.MTRA.EHE. ML:1.4 0.0003025 0.26 AML other m 2019-08-23T15:04:39.87
IV.NRCA.HHN. ML:1.7 0.000296 0.1 AML other m 2019-08-23T15:04:43.29
IV.TERO.HHE. ML:1.2 0.00009065000000000001 0.16 AML other m 2019-08-23T15:04:43.33
IV.NRCA.HHE. ML:1.6 0.0002265 0.16 AML other m 2019-08-23T15:04:43.40
IV.TERO.HHN. ML:1.3 0.0001119 0.78 AML other m 2019-08-23T15:04:43.43
IV.RM33.EHN. ML:1.3 0.000118 0.12 AML other m 2019-08-23T15:04:43.60
IV.RM33.EHE. ML:1.4 0.000143 0.2 AML other m 2019-08-23T15:04:43.79
IV.RM33.HNE. ML:1.5 0.00019 0.7 AML other m 2019-08-23T15:04:43.89
IV.LNSS.HHE. ML:1.3 0.00010405000000000001 0.5 AML other m 2019-08-23T15:04:44.40
IV.LNSS.HHN. ML:1.4 0.0001185 0.2 AML other m 2019-08-23T15:04:44.20
IV.RM33.HNN. ML:1.5 0.00018614999999999997 0.44 AML other m 2019-08-23T15:04:44.60
IV.GIGS.HHN. ML:0.4 0.000012149999999999999 0.82 AML other m 2019-08-23T15:04:46.41
IV.GIGS.HHE. ML:0.7 0.000021499999999999997 0.42 AML other m 2019-08-23T15:04:47.45
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