Earthquake with magnitude of ML 0.4 on date 25-09-2019 and time 00:41:39 (Italy) in region 4 km SW Accumoli (RI)

A magnitude ML 0.4 earthquake occured in region: 4 km SW Accumoli (RI), on

  • 24-09-2019 22:41:39 (UTC)
  • 25-09-2019 00:41:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6750, 13.2110 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 4 667 667
Cittareale RI 8 482 1149
Amatrice RI 8 2657 3806
Arquata del Tronto AP 13 1178 4984
Norcia PG 16 4957 9941
Cascia PG 17 3217 13158
Montereale AQ 17 2581 15739
Campotosto AQ 18 542 16281
Capitignano AQ 19 665 16946
Posta RI 19 694 17640
Borbona RI 19 617 18257
Acquasanta Terme AP 19 2916 21173

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
48 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
79 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
85 Km NE of Guidonia Montecelio (88673 inhabitants)
85 Km W of Pescara (121014 inhabitants)
86 Km NE of Tivoli (56533 inhabitants)
86 Km W of Chieti (51815 inhabitants)
95 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 0.4 2019-09-24
22:41:39
42.6747 13.2112 13 2019-09-24
22:53:13
Sala Sismica INGV-Roma 72735981
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-24 22:41:39 ± 0.1
Latitude 42.6747 ± 0.0036
Longitude 13.2112 ± 0.0061
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 72735981

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 550
Semi-minor axis of confidence ellipse (meter) 179
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 242
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.37322
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 10
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 72735981
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-24 22:53:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IX.STN3.HHZ.02 2019-09-24T22:42:50.46 3.0 undecidable manual Sg 4.54 0
CR.STON.BHZ. 2019-09-24T22:42:18.32 3.0 undecidable manual Pg 2.46 0
IV.LRP.EHZ. 2019-09-24T22:42:09.07 3.0 undecidable manual Sn -4.51 0
IV.FDMO.HHZ. 2019-09-24T22:41:53.61 0.6 undecidable manual S 346 41.4252 93 0.41 58
IV.TERO.HHZ. 2019-09-24T22:41:50.84 0.3 undecidable manual S 100 32.5452 95 -0.01 97
IV.MMO1.EHE. 2019-09-24T22:41:49.30 0.6 undecidable manual S 21 26.6511 97 0.02 65
IV.MC2.EHE. 2019-09-24T22:41:49.61 0.3 undecidable manual S 356 26.3514 97 0.41 90
IV.GAVE.EHZ. 2019-09-24T22:41:49.01 0.3 undecidable manual S 274 25.9518 97 -0.08 97
IV.BSSO.HNZ. 2019-09-24T22:41:48.81 3.0 undecidable manual P -4.13 0
IV.FDMO.HHZ. 2019-09-24T22:41:47.68 1.0 undecidable manual P 346 41.4252 93 0.19 31
IV.NRCA.HHE. 2019-09-24T22:41:47.11 0.3 undecidable manual S 336 19.2696 103 -0.24 94
IV.LAV9.HHZ. 2019-09-24T22:41:47.26 3.0 positive manual P 1.11 0
IV.MTRA.EHE. 2019-09-24T22:41:46.54 0.3 undecidable manual S 59 17.6712 106 -0.38 92
IV.TERO.HHZ. 2019-09-24T22:41:46.16 0.6 undecidable manual P 100 32.5452 95 0.02 64
IV.RM33.EHZ. 2019-09-24T22:41:46.99 0.3 undecidable manual S 179 18.3705 105 -0.12 98
IV.SMA1.EHZ. 2019-09-24T22:41:45.49 0.3 undecidable manual S 116 11.2776 125 0.12 98
IV.MMO1.EHE. 2019-09-24T22:41:45.03 0.6 undecidable manual P 21 26.6511 97 -0.19 63
IV.RM33.EHZ. 2019-09-24T22:41:44.21 0.3 undecidable manual P 179 18.3705 105 0.24 94
IV.MC2.EHE. 2019-09-24T22:41:44.48 1.0 undecidable manual P 356 26.3514 97 -0.7 27
IV.GAVE.EHZ. 2019-09-24T22:41:44.92 0.6 undecidable manual P 274 25.9518 97 -0.19 63
IV.T1299.EHE. 2019-09-24T22:41:44.56 0.3 undecidable manual S 128 7.2927 141 -0.05 100
IV.MTRA.EHE. 2019-09-24T22:41:43.84 0.6 undecidable manual P 59 17.6712 106 -0.02 66
IV.SMA1.EHZ. 2019-09-24T22:41:43.30 1.0 positive manual P 116 11.2776 125 0.33 31
IV.NRCA.HHE. 2019-09-24T22:41:43.98 0.3 undecidable manual P 336 19.2696 103 -0.13 97
IV.T1299.EHE. 2019-09-24T22:41:42.81 0.3 undecidable manual P 128 7.2927 141 0.28 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:0.1 0.0000097155975 0.2432 AML other m 2019-09-24T22:41:48.99
IV.RM33.EHN. ML:0.3 0.000015691195 0.1408 AML other m 2019-09-24T22:41:47.42
IV.GAVE.EHE. ML:0.7 0.000024371915 0.1152 AML other m 2019-09-24T22:41:49.88
IV.GAVE.EHN. ML:0.6 0.000020819395 0.1664 AML other m 2019-09-24T22:41:49.40
IV.TERO.HHE. ML:0.4 0.0000086875705 0.1024 AML other m 2019-09-24T22:41:52.40
IV.TERO.HHN. ML:0.4 0.000010431387000000001 0.1024 AML other m 2019-09-24T22:41:51.55
IV.FDMO.HHE. ML:0.2 0.000003653237 0.1024 AML other m 2019-09-24T22:41:54.08
IV.FDMO.HHN. ML:0.2 0.0000028263125 0.0896 AML other m 2019-09-24T22:41:54.11
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