Earthquake with magnitude of ML 1.3 on date 04-08-2019 and time 23:04:24 (Italy) in region 3 km E Accumoli (RI)

A magnitude ML 1.3 earthquake occured in region: 3 km E Accumoli (RI), on

  • 04-08-2019 21:04:24 (UTC)
  • 04-08-2019 23:04:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6980, 13.2880 at 13 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Amatrice RI 8 2657 3324
Arquata del Tronto AP 9 1178 4502
Acquasanta Terme AP 13 2916 7418
Cittareale RI 14 482 7900
Montegallo AP 17 523 8423
Campotosto AQ 17 542 8965
Valle Castellana TE 18 977 9942
Norcia PG 19 4957 14899
Montereale AQ 20 2581 17480
Rocca Santa Maria TE 20 537 18017
Capitignano AQ 20 665 18682
Cortino TE 20 656 19338

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Teramo (54892 inhabitants)
40 Km N of L'Aquila (69753 inhabitants)
55 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
82 Km W of Chieti (51815 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
90 Km NE of Guidonia Montecelio (88673 inhabitants)
91 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
Bulletin
Rev1000
ML 1.3 2019-08-04
21:04:24
42.6977 13.2882 13 2019-11-13
14:31:06
Bollettino Sismico Italiano INGV 73266631
Reviewed
Rev100
ML 1.3 2019-08-04
21:04:24
42.7027 13.2903 12 2019-08-04
21:08:39
Sala Sismica INGV-Roma 71172801
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-04 21:04:24 ± 0.05
Latitude 42.6977 ± 0.0027
Longitude 13.2882 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73266631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 368
Semi-minor axis of confidence ellipse (meter) 74
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 275
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 73
Number of associated phases, regardless of their use for origin computation 30
Number of defining phases 30
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) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.50722
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 73266631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-10-15 11:12:23

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 71172801
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-04 21:08:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2019-08-04T21:04:39.22 0.6 undecidable manual S 351 44.2224 93 0.14 46
IV.GIGS.HHZ. 2019-08-04T21:04:36.56 0.6 undecidable manual S 139 35.742 94 -0.24 45
IV.GAVE.EHZ. 2019-08-04T21:04:35.74 0.6 undecidable manual S 269 32.1456 95 -0.1 48
IV.VCEL.EHZ. 2019-08-04T21:04:35.35 0.3 undecidable manual P 126 56.2992 92 0.46 64
IV.MNTT.EHZ. 2019-08-04T21:04:34.20 0.3 undecidable manual P 32 47.5191 93 0.66 61
IV.MMO1.EHZ. 2019-08-04T21:04:33.12 0.6 undecidable manual S 8 22.5552 100 -0.21 48
IV.MC2.EHZ. 2019-08-04T21:04:33.97 0.6 undecidable manual S 341 25.0527 98 0 49
IV.LNSS.HHZ. 2019-08-04T21:04:33.45 0.6 undecidable manual S 243 22.755 99 0.08 49
IV.ARRO.EHZ. 2019-08-04T21:04:33.14 0.3 undecidable manual P 253 44.622 93 0.04 71
IV.RM33.EHZ. 2019-08-04T21:04:33.08 0.6 undecidable manual S 196 21.7671 100 -0.03 49
IV.CSP1.EHZ. 2019-08-04T21:04:32.94 0.3 undecidable manual P 351 44.2224 93 -0.1 70
IV.GUMA.HHZ. 2019-08-04T21:04:32.71 0.1 undecidable manual P 5 40.7259 93 0.22 92
IV.NRCA.HHZ. 2019-08-04T21:04:32.42 0.6 undecidable manual S 317 20.6682 102 -0.4 46
IV.CAMP.HHZ. 2019-08-04T21:04:32.54 0.6 undecidable manual S 151 20.4684 102 -0.23 47
IV.FDMO.HHZ. 2019-08-04T21:04:32.64 0.3 undecidable manual P 337 41.0256 93 0.1 70
IV.GAVE.EHZ. 2019-08-04T21:04:31.12 0.1 undecidable manual P 269 32.1456 95 -0.06 96
IV.GIGS.HHZ. 2019-08-04T21:04:31.48 0.3 undecidable manual P 139 35.742 94 -0.25 68
IV.MF5.EHZ. 2019-08-04T21:04:31.86 0.1 undecidable manual P 23 35.0427 94 0.23 93
IV.MC2.EHZ. 2019-08-04T21:04:30.02 0.1 undecidable manual P 341 25.0527 98 -0.07 97
IV.CAMP.HHZ. 2019-08-04T21:04:29.26 0.1 undecidable manual P 151 20.4684 102 -0.14 96
IV.MTRA.HNZ. 2019-08-04T21:04:29.97 0.6 undecidable manual S 53 10.9779 126 -0.47 46
IV.RM33.EHZ. 2019-08-04T21:04:29.61 0.1 undecidable manual P 196 21.7671 100 0.01 99
IV.T1299.HNN. 2019-08-04T21:04:29.73 0.3 undecidable manual S 184 7.0929 143 0.04 75
IV.MMO1.EHZ. 2019-08-04T21:04:29.65 0.1 undecidable manual P 8 22.5552 100 -0.07 98
IV.NRCA.HHZ. 2019-08-04T21:04:29.27 0.1 positive manual P 317 20.6682 102 -0.16 97
IV.LNSS.HHZ. 2019-08-04T21:04:29.77 0.1 undecidable manual P 243 22.755 99 0.03 99
IV.SMA1.EHZ. 2019-08-04T21:04:29.79 0.6 undecidable manual S 153 8.3805 137 -0.13 50
IV.SMA1.EHZ. 2019-08-04T21:04:27.81 0.1 undecidable manual P 153 8.3805 137 0.06 100
IV.MTRA.HNZ. 2019-08-04T21:04:27.96 0.1 undecidable manual P 53 10.9779 126 -0.09 99
IV.T1299.HNN. 2019-08-04T21:04:27.80 0.1 undecidable manual P 184 7.0929 143 0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.6 0.000442 0.16 AML other m 2019-08-04T21:04:29.84
IV.SMA1.EHE. ML:1.4 0.00031899999999999995 1.9 AML other m 2019-08-04T21:04:29.01
IV.MTRA.EHN. ML:1.6 0.000373 0.14 AML other m 2019-08-04T21:04:30.11
IV.MTRA.EHE. ML:1.6 0.0004435 1.1 AML other m 2019-08-04T21:04:30.09
IV.NRCA.HHE. ML:1.5 0.00019600000000000002 0.14 AML other m 2019-08-04T21:04:32.75
IV.CAMP.HHN. ML:0.6 0.000024599999999999998 1.3 AML other m 2019-08-04T21:04:32.80
IV.CAMP.HHE. ML:0.7 0.0000343 0.26 AML other m 2019-08-04T21:04:32.96
IV.NRCA.HHN. ML:1.4 0.0001515 1.3 AML other m 2019-08-04T21:04:33.14
IV.RM33.EHN. ML:1.1 0.00007775 0.72 AML other m 2019-08-04T21:04:33.16
IV.RM33.EHE. ML:1.2 0.00010489999999999999 0.16 AML other m 2019-08-04T21:04:33.67
IV.LNSS.HHN. ML:1.6 0.00023449999999999998 0.22 AML other m 2019-08-04T21:04:33.67
IV.LNSS.HHE. ML:1.6 0.00023299999999999997 0.44 AML other m 2019-08-04T21:04:33.75
IV.GAVE.EHE. ML:1.4 0.00010594999999999999 0.54 AML other m 2019-08-04T21:04:36.29
IV.GAVE.EHN. ML:1.4 0.0001143 0.26 AML other m 2019-08-04T21:04:36.49
IV.FDMO.HHN. ML:0.8 0.000018549999999999997 0.5 AML other m 2019-08-04T21:04:39.44
IV.ARRO.EHE. ML:0.9 0.000024800000000000003 0.42 AML other m 2019-08-04T21:04:40.28
IV.FDMO.HHE. ML:0.7 0.000014700000000000002 0.96 AML other m 2019-08-04T21:04:40.85
IV.ARRO.EHN. ML:0.9 0.0000263 0.62 AML other m 2019-08-04T21:04:40.79
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