Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.5 on date 13-04-2019 and time 00:08:13 (Italy) in region 8 km NW Accumoli (RI)

A magnitude ML 1.5 earthquake occured in region: 8 km NW Accumoli (RI), on

  • 12-04-2019 22:08:13 (UTC)
  • 13-04-2019 00:08:13 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7510, 13.1790 at 11 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.

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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 8 667 667
Norcia PG 8 4957 5624
Arquata del Tronto AP 10 1178 6802
Cascia PG 14 3217 10019
Cittareale RI 15 482 10501
Castelsantangelo sul Nera MC 16 281 10782
Amatrice RI 16 2657 13439
Montegallo AP 16 523 13962
Preci PG 18 724 14686
Acquasanta Terme AP 19 2916 17602

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
48 Km NW of L'Aquila (69753 inhabitants)
48 Km E of Terni (111501 inhabitants)
76 Km SE of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
91 Km W of Pescara (121014 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
92 Km W of Chieti (51815 inhabitants)
93 Km NE of Tivoli (56533 inhabitants)
95 Km E of Viterbo (67173 inhabitants)
100 Km S of Ancona (100861 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 1.5 2019-04-12
22:08:13		 42.7508 13.1787 11 2019-08-22
08:25:01		 Bollettino Sismico Italiano INGV 69253671
Reviewed
Rev100 		ML 1.5 2019-04-12
22:08:13		 42.7503 13.1807 10 2019-04-12
22:13:21		 Sala Sismica INGV-Roma 67518181
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-04-12 22:08:13 ± 0.04
Latitude 42.7508 ± 0.0018
Longitude 13.1787 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 69253671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 301
Semi-minor axis of confidence ellipse (meter) 118
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 79
Circular confidence region, given by single value of horizontal uncertainty (meter) 300.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 54
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 36
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) 0.58096
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 23
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 69253671
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-06-06 09:53:37

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 22
Type of magnitude ML
Reference to an origin 67518181
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-04-12 22:13:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PTRJ.HNZ. 2019-04-12T22:09:09.38 3.0 undecidable manual Sg 4.05 0
IV.SAMA.HHZ. 2019-04-12T22:08:47.28 3.0 undecidable manual S -2.3 0
IT.VNF1.HGZ. 2019-04-12T22:08:36.94 3.0 negative manual P -1.73 0
IV.MF5.EHZ. 2019-04-12T22:08:26.12 0.1 undecidable manual S 41 34.8429 50 0.73 80
IV.CESI.HHZ. 2019-04-12T22:08:25.71 0.6 undecidable manual S 322 35.9418 50 0.03 48
IV.CAMP.HHZ. 2019-04-12T22:08:24.04 0.3 undecidable manual S 142 30.3474 50 -0.16 71
IV.EL6.EHZ. 2019-04-12T22:08:24.81 0.3 undecidable manual P 354 64.491 50 -0.13 67
IV.FDMO.HHZ. 2019-04-12T22:08:24.68 0.3 undecidable manual S 347 32.5452 50 -0.1 72
IV.SNTG.HHZ. 2019-04-12T22:08:24.10 0.3 undecidable manual P 341 59.1963 50 -0.03 70
IV.MNTT.EHZ. 2019-04-12T22:08:23.54 3.0 negative manual P 0.99 0
IV.ASSB.HHZ. 2019-04-12T22:08:23.20 0.3 undecidable manual P 308 53.2023 50 -0.01 71
IV.RM33.EHZ. 2019-04-12T22:08:23.20 0.1 undecidable manual S 174 26.9508 50 -0.09 97
IV.GAVE.EHZ. 2019-04-12T22:08:22.55 0.3 undecidable manual S 254 24.0537 50 0.03 74
IV.MMO1.EHZ. 2019-04-12T22:08:21.29 0.1 undecidable manual S 36 20.4684 117 -0.21 96
IV.LNSS.HHZ. 2019-04-12T22:08:21.45 0.3 undecidable manual S 215 19.869 118 0.11 73
IV.GIGS.HHZ. 2019-04-12T22:08:21.72 0.3 undecidable manual P 136 46.1205 50 -0.4 66
IV.PF6.EHN. 2019-04-12T22:08:21.47 0.1 undecidable manual P 2 42.9237 50 -0.16 93
IV.ARRO.EHZ. 2019-04-12T22:08:20.94 0.3 undecidable manual P 241 38.7279 50 -0.03 72
IV.TERO.HHZ. 2019-04-12T22:08:20.56 0.1 undecidable manual P 112 37.4292 50 -0.22 93
IV.MTRA.HNZ. 2019-04-12T22:08:20.33 0.3 undecidable manual S 88 17.7711 121 -0.37 70
IV.GUMA.HNN. 2019-04-12T22:08:20.90 0.3 undecidable manual P 20 36.8298 50 0.21 70
IV.MC2.EHZ. 2019-04-12T22:08:20.88 0.1 undecidable manual S 3 17.871 121 0.16 97
IV.T1299.HNN. 2019-04-12T22:08:20.28 0.1 undecidable manual S 147 15.4734 124 0.27 96
IV.SMA1.EHZ. 2019-04-12T22:08:20.81 0.3 undecidable manual S 136 18.4704 120 -0.09 74
IV.MF5.EHZ. 2019-04-12T22:08:20.69 0.1 undecidable manual P 41 34.8429 50 0.31 91
IV.CESI.HHZ. 2019-04-12T22:08:20.51 0.1 undecidable manual P 322 35.9418 50 -0.04 97
IV.RM33.EHZ. 2019-04-12T22:08:19.19 0.1 undecidable manual P 174 26.9508 50 0.02 98
IV.CAMP.HHZ. 2019-04-12T22:08:19.56 0.1 negative manual P 142 30.3474 50 -0.12 96
IV.FDMO.HHZ. 2019-04-12T22:08:19.92 0.1 undecidable manual P 347 32.5452 50 -0.1 96
IT.MTCL.HGZ. 2019-04-12T22:08:19.64 0.3 undecidable manual P 332 30.6471 50 -0.09 72
IV.NRCA.HNZ. 2019-04-12T22:08:18.39 0.1 undecidable manual S 330 10.5783 135 -0.32 95
IV.FEMA.HNE. 2019-04-12T22:08:18.88 0.3 undecidable manual P 336 25.6521 50 -0.08 73
IV.MMO1.EHZ. 2019-04-12T22:08:18.06 0.1 positive manual P 36 20.4684 117 -0.07 99
IV.LNSS.HHZ. 2019-04-12T22:08:18.15 0.1 positive manual P 215 19.869 118 0.11 98
IV.GAVE.EHZ. 2019-04-12T22:08:18.79 0.1 undecidable manual P 254 24.0537 50 0.07 98
IV.SMA1.EHZ. 2019-04-12T22:08:17.86 0.1 undecidable manual P 136 18.4704 120 0.07 99
IV.MTRA.HNZ. 2019-04-12T22:08:17.61 0.1 undecidable manual P 88 17.7711 121 -0.05 99
IV.MC2.EHZ. 2019-04-12T22:08:17.84 0.1 undecidable manual P 3 17.871 121 0.17 97
IV.T1299.HNN. 2019-04-12T22:08:17.60 0.1 undecidable manual P 147 15.4734 124 0.33 94
IV.NRCA.HNZ. 2019-04-12T22:08:16.60 0.1 negative manual P 330 10.5783 135 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.9 0.001003 0.06 AML other m 2019-04-12T22:08:18.45
IV.NRCA.HNE. ML:1.9 0.0009739999999999999 0.08 AML other m 2019-04-12T22:08:18.45
IV.NRCA.HHN. ML:1.9 0.0009545000000000002 0.1 AML other m 2019-04-12T22:08:18.45
IV.NRCA.HNN. ML:1.9 0.00092 0.78 AML other m 2019-04-12T22:08:19.45
IV.MTRA.EHE. ML:1.6 0.0003355 0.84 AML other m 2019-04-12T22:08:20.24
IV.MTRA.HNE. ML:1.7 0.00037150000000000003 1.34 AML other m 2019-04-12T22:08:20.24
IV.MTRA.EHN. ML:1.6 0.00033650000000000005 0.14 AML other m 2019-04-12T22:08:20.91
IV.MTRA.HNN. ML:1.6 0.00035499999999999996 1.32 AML other m 2019-04-12T22:08:21.90
IV.LNSS.HHE. ML:1.6 0.0003275 0.1 AML other m 2019-04-12T22:08:21.77
IV.LNSS.HHN. ML:1.6 0.000284 1.42 AML other m 2019-04-12T22:08:22.14
IV.GAVE.EHN. ML:1.5 0.00017999999999999998 1.14 AML other m 2019-04-12T22:08:23.81
IV.RM33.EHN. ML:1.2 0.0000878 0.84 AML other m 2019-04-12T22:08:23.68
IV.GAVE.EHE. ML:1.5 0.0001795 1.58 AML other m 2019-04-12T22:08:23.01
IV.MNTT.EHN. ML:1.8 0.0001675 1.4 AML other m 2019-04-12T22:08:24.80
IV.RM33.EHE. ML:1.4 0.0001255 1.34 AML other m 2019-04-12T22:08:24.11
IV.SMA1.EHN. ML:1.1 0.0000889 1.54 AML other m 2019-04-12T22:08:24.79
IV.CESI.HHN. ML:1.4 0.00009645000000000001 1.66 AML other m 2019-04-12T22:08:26.00
IV.TERO.HHN. ML:1.2 0.00006570000000000001 1.24 AML other m 2019-04-12T22:08:26.03
IV.CESI.HHE. ML:1.2 0.0000586 1.66 AML other m 2019-04-12T22:08:26.07
IV.TERO.HHE. ML:1.1 0.00004575 0.54 AML other m 2019-04-12T22:08:27.40
IV.SMA1.EHE. ML:1.2 0.0001139 0.44 AML other m 2019-04-12T22:08:27.41
IV.MNTT.EHE. ML:1.9 0.00023649999999999998 0.48 AML other m 2019-04-12T22:08:43.75
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