Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 30-03-2019 and time 06:29:47 (UTC) in region 5 km W Arquata del Tronto (AP)

A magnitude ML 1.1 earthquake occured in region: 5 km W Arquata del Tronto (AP), on

  • 30-03-2019 06:29:47 (UTC)
  • 30-03-2019 07:29:47 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7690, 13.2390 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
Arquata del Tronto AP 5 1178 1178
Accumoli RI 8 667 1845
Montegallo AP 11 523 2368
Norcia PG 12 4957 7325
Acquasanta Terme AP 14 2916 10241
Castelsantangelo sul Nera MC 16 281 10522
Amatrice RI 16 2657 13179
Montemonaco AP 16 604 13783
Cittareale RI 18 482 14265
Cascia PG 19 3217 17482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km W of Teramo (54892 inhabitants)
48 Km N of L'Aquila (69753 inhabitants)
48 Km E of Foligno (57155 inhabitants)
54 Km E of Terni (111501 inhabitants)
79 Km E of Perugia (166134 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
87 Km W of Pescara (121014 inhabitants)
89 Km NW of Chieti (51815 inhabitants)
95 Km NE of Guidonia Montecelio (88673 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
97 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
Reviewed
Rev100 		ML 1.1 2019-03-30
06:29:47		 42.7692 13.2387 11 2019-03-30
06:37:32		 Sala Sismica INGV-Roma 67077131
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-30 06:29:47 ± 0.09
Latitude 42.7692 ± 0.0045
Longitude 13.2387 ± 0.0074
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 67077131

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 638
Semi-minor axis of confidence ellipse (meter) 269
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 235
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 152
Number of associated phases, regardless of their use for origin computation 33
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.30577
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 16
Type of magnitude ML
Reference to an origin 67077131
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-30 06:37:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GORR.HHZ. 2019-03-30T06:31:36.20 3.0 undecidable manual Sg 13.12 0
IV.ERC.EHZ. 2019-03-30T06:31:29.49 3.0 undecidable manual Sn -7.63 0
IV.VENL.HNZ. 2019-03-30T06:31:20.80 3.0 undecidable manual Sg 11.55 0
IV.SALB.HHZ. 2019-03-30T06:31:18.94 3.0 undecidable manual Sg 6.13 0
IV.MTGR.HHZ. 2019-03-30T06:30:58.47 3.0 negative manual Pg 11.15 0
IV.CELI.HHZ. 2019-03-30T06:30:42.91 3.0 undecidable manual Pn 4.9 0
MN.TRI.HHZ. 2019-03-30T06:30:41.33 3.0 positive manual Pg 8.35 0
IV.TDS.HHZ. 2019-03-30T06:30:33.43 3.0 undecidable manual Pn -0.69 0
IV.PE3.EHZ. 2019-03-30T06:30:30.66 3.0 undecidable manual Sg 2.02 0
IV.APEC.HHZ. 2019-03-30T06:30:26.57 3.0 undecidable manual Sg 0.28 0
IV.BRSN.HNZ. 2019-03-30T06:30:15.25 3.0 negative manual Pn -0.91 0
IV.SENI.EHZ. 2019-03-30T06:30:05.56 3.0 negative manual Pg 0.2 0
IV.GUMA.HHZ. 2019-03-30T06:29:59.83 0.3 undecidable manual S 14 33.4443 50 0.44 66
IV.TERO.HHZ. 2019-03-30T06:29:59.07 0.3 undecidable manual S 118 33.9438 50 -0.43 66
IV.MF5.EHZ. 2019-03-30T06:29:58.95 0.1 undecidable manual S 36 30.1476 50 0.44 89
IV.FDMO.HHZ. 2019-03-30T06:29:58.64 0.3 undecidable manual S 338 32.1456 50 -0.38 68
IV.LIK.EHZ.01 2019-03-30T06:29:57.08 3.0 negative manual Pn 0.53 0
IV.SMA1.EHZ. 2019-03-30T06:29:55.21 0.1 undecidable manual S 153 17.2716 122 0.22 96
IV.FDMO.HHZ. 2019-03-30T06:29:54.02 0.3 undecidable manual P 338 32.1456 50 -0.31 69
IV.CSP1.EHZ. 2019-03-30T06:29:54.72 3.0 undecidable manual P 0
IV.RMP.HHZ. 2019-03-30T06:29:54.34 3.0 positive manual P 0.12 0
IV.MMO1.EHZ. 2019-03-30T06:29:54.36 0.1 undecidable manual S 26 16.0728 124 -0.29 94
IV.GUMA.HHZ. 2019-03-30T06:29:54.54 0.3 undecidable manual P 14 33.4443 50 0 73
IV.MF5.EHZ. 2019-03-30T06:29:54.24 0.3 undecidable manual P 36 30.1476 50 0.21 70
IV.TERO.HHZ. 2019-03-30T06:29:54.40 0.3 undecidable manual P 118 33.9438 50 -0.21 70
IV.MC2.EHZ. 2019-03-30T06:29:54.69 0.3 undecidable manual S 346 16.2726 123 -0.01 75
IV.NRCA.HHZ. 2019-03-30T06:29:53.70 0.1 undecidable manual S 305 12.3765 131 0.08 99
IV.MTRA.EHZ. 2019-03-30T06:29:53.70 0.1 undecidable manual S 96 12.9759 130 -0.07 99
IV.SMA1.EHZ. 2019-03-30T06:29:52.06 0.1 undecidable manual P 153 17.2716 122 0.05 99
IV.MMO1.EHZ. 2019-03-30T06:29:51.68 0.1 undecidable manual P 26 16.0728 124 -0.13 98
IV.MC2.EHZ. 2019-03-30T06:29:51.83 0.1 undecidable manual P 346 16.2726 123 -0.01 100
IV.NRCA.HHZ. 2019-03-30T06:29:51.33 0.1 undecidable manual P 305 12.3765 131 0.12 98
IV.MTRA.EHZ. 2019-03-30T06:29:51.43 0.3 undecidable manual P 96 12.9759 130 0.13 74
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 0.00016756315 0.1792 AML other m 2019-03-30T06:29:53.84
IV.NRCA.HHN. ML:1.2 0.000149407 0.1024 AML other m 2019-03-30T06:29:54.75
IV.NRCA.HNE. ML:1.2 0.00015481145000000002 0.16 AML other m 2019-03-30T06:29:54.27
IV.NRCA.HNN. ML:1.4 0.00023927085 1.3504 AML other m 2019-03-30T06:29:54.70
IV.MTRA.EHE. ML:0.9 0.00007839264 0.2016 AML other m 2019-03-30T06:29:56.42
IV.MTRA.EHN. ML:1.0 0.00011051748999999999 0.1408 AML other m 2019-03-30T06:29:53.78
IV.MTRA.HNE. ML:1.2 0.0001746393 0.3712 AML other m 2019-03-30T06:29:56.42
IV.MTRA.HNN. ML:1.2 0.00016723094999999998 0.5888 AML other m 2019-03-30T06:29:56.67
IV.SMA1.EHE. ML:1.0 0.000079004455 0.2176 AML other m 2019-03-30T06:29:55.41
IV.SMA1.EHN. ML:0.8 0.000051525639999999996 0.1792 AML other m 2019-03-30T06:29:55.91
IV.FDMO.HHE. ML:1.0 0.000048090885 0.1984 AML other m 2019-03-30T06:29:58.79
IV.FDMO.HHN. ML:1.3 0.00008394892 0.1984 AML other m 2019-03-30T06:29:59.02
IV.MF5.EHE. ML:1.2 0.0000696745115 1.0592 AML other m 2019-03-30T06:30:02.81
IV.MF5.EHN. ML:1.2 0.00007326157 0.4 AML other m 2019-03-30T06:29:59.61
IV.TERO.HHE. ML:0.9 0.000031324905 0.8384 AML other m 2019-03-30T06:30:00.91
IV.TERO.HHN. ML:0.8 0.000026349675 0.1408 AML other m 2019-03-30T06:29:59.56
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