Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 07-09-2019 and time 22:41:06 (Italy) in region 9 km NW Arquata del Tronto (AP)

A magnitude ML 0.9 earthquake occured in region: 9 km NW Arquata del Tronto (AP), on

  • 07-09-2019 20:41:06 (UTC)
  • 07-09-2019 22:41:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8330, 13.2250 at 14 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 9 1178 1178
Montegallo AP 9 523 1701
Castelsantangelo sul Nera MC 9 281 1982
Montemonaco AP 11 604 2586
Norcia PG 12 4957 7543
Ussita MC 14 444 7987
Accumoli RI 15 667 8654
Visso MC 16 1107 9761
Montefortino FM 16 1178 10939
Preci PG 16 724 11663
Acquasanta Terme AP 17 2916 14579
Bolognola MC 18 142 14721
Amandola FM 20 3629 18350

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km W of Teramo (54892 inhabitants)
45 Km E of Foligno (57155 inhabitants)
55 Km N of L'Aquila (69753 inhabitants)
56 Km NE of Terni (111501 inhabitants)
75 Km E of Perugia (166134 inhabitants)
84 Km W of Montesilvano (53738 inhabitants)
91 Km S of Ancona (100861 inhabitants)
91 Km W of Pescara (121014 inhabitants)
94 Km NW of Chieti (51815 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 0.9 2019-09-07
20:41:06		 42.8328 13.2252 14 2019-09-07
20:56:43		 Sala Sismica INGV-Roma 72210021
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-07 20:41:06 ± 0.08
Latitude 42.8328 ± 0.0045
Longitude 13.2252 ± 0.0049
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72210021

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 470
Semi-minor axis of confidence ellipse (meter) 60
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 212
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.35523
Number of stations at which the event was observed 23
Number of stations from which data was used for origin computation 18
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 11
Type of magnitude ML
Reference to an origin 72210021
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-07 20:56:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RNI2.HHZ. 2019-09-07T20:41:47.66 3.0 undecidable manual S 0.66 0
IV.ATFO.HHZ. 2019-09-07T20:41:36.21 3.0 undecidable manual S 1.28 0
IV.VCEL.EHZ. 2019-09-07T20:41:25.32 3.0 undecidable manual S -0.8 0
IV.EL6.EHZ. 2019-09-07T20:41:25.44 3.0 undecidable manual S -2.44 0
IT.UMBT.HGZ. 2019-09-07T20:41:23.70 3.0 undecidable manual P -0.1 0
IV.MF5.EHZ. 2019-09-07T20:41:17.08 0.3 undecidable manual S 48 25.6521 103 0.69 61
IV.CSP1.EHZ. 2019-09-07T20:41:17.19 0.3 undecidable manual S 357 28.749 101 -0.01 74
IV.FDMO.HHZ. 2019-09-07T20:41:16.07 0.3 undecidable manual S 334 25.2525 104 -0.2 71
IT.MTCL.HGE. 2019-09-07T20:41:16.19 0.3 undecidable manual S 314 25.5522 103 -0.19 71
IV.MNTT.EHZ. 2019-09-07T20:41:15.18 0.6 undecidable manual P 50 39.4272 97 0.68 40
IV.SMA1.EHZ. 2019-09-07T20:41:15.87 0.3 undecidable manual S 158 24.1536 105 -0.14 72
IV.MML1.EHE. 2019-09-07T20:41:14.29 0.3 undecidable manual P 327 37.3293 97 0.11 71
IV.CAMP.HHZ. 2019-09-07T20:41:14.05 0.6 undecidable manual P 155 36.2415 98 0.03 48
IV.RM33.HNZ. 2019-09-07T20:41:14.04 0.3 undecidable manual P 181 35.9418 98 0.07 72
IV.PF6.EHE. 2019-09-07T20:41:13.41 0.3 undecidable manual P 356 33.9438 98 -0.26 70
IV.GAVE.EHZ. 2019-09-07T20:41:13.54 0.3 undecidable manual P 240 31.1466 100 0.3 70
IV.MTRA.HNZ. 2019-09-07T20:41:13.78 0.3 undecidable manual S 121 16.2726 117 -0.25 72
IV.LNSS.HHZ. 2019-09-07T20:41:13.24 0.3 undecidable manual P 211 29.6481 100 0.23 71
IV.CESI.HHE. 2019-09-07T20:41:13.42 0.3 undecidable manual P 306 32.2455 99 0.01 73
IV.CSP1.EHZ. 2019-09-07T20:41:12.74 0.3 undecidable manual P 357 28.749 101 -0.14 72
IV.NRCA.HHZ. 2019-09-07T20:41:12.49 0.3 undecidable manual S 271 8.9799 139 -0.01 76
IV.FDMO.HHZ. 2019-09-07T20:41:12.22 0.1 undecidable manual P 334 25.2525 104 -0.13 97
IV.MMO1.EHZ. 2019-09-07T20:41:12.64 0.3 undecidable manual S 48 11.0778 132 -0.24 73
IV.SMA1.EHZ. 2019-09-07T20:41:12.27 0.3 undecidable manual P 158 24.1536 105 0.08 73
IV.MC2.EHZ. 2019-09-07T20:41:12.76 0.3 undecidable manual S 341 9.1797 139 0.23 73
IT.MTCL.HGE. 2019-09-07T20:41:12.32 0.1 undecidable manual P 314 25.5522 103 -0.09 97
IV.MF5.EHZ. 2019-09-07T20:41:12.68 0.3 undecidable manual P 48 25.6521 103 0.27 70
IV.GUMA.HHE. 2019-09-07T20:41:11.89 0.3 undecidable manual P 19 27.0507 102 -0.73 62
IV.MTRA.HNZ. 2019-09-07T20:41:10.98 0.3 undecidable manual P 121 16.2726 117 -0.08 74
IV.MC2.EHZ. 2019-09-07T20:41:10.34 0.3 undecidable manual P 341 9.1797 139 0.16 74
IV.NRCA.HHZ. 2019-09-07T20:41:10.28 0.1 undecidable manual P 271 8.9799 139 0.11 100
IV.MMO1.EHZ. 2019-09-07T20:41:10.30 0.1 undecidable manual P 48 11.0778 132 -0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FDMO.HHE. ML:0.8 0.00003661598 0.2432 AML other m 2019-09-07T20:41:16.43
IV.FDMO.HHN. ML:1.0 0.000056305839999999995 0.2816 AML other m 2019-09-07T20:41:16.41
IV.SMA1.EHE. ML:0.7 0.000027659990000000002 0.0768 AML other m 2019-09-07T20:41:16.36
IV.SMA1.EHN. ML:0.7 0.00002956308 0.1024 AML other m 2019-09-07T20:41:16.36
IV.MF5.EHE. ML:1.2 0.000077850755 0.6272 AML other m 2019-09-07T20:41:17.89
IV.CSP1.EHE. ML:0.8 0.000029915310000000002 0.2688 AML other m 2019-09-07T20:41:18.27
IV.CSP1.EHN. ML:1.0 0.00004560493 0.3584 AML other m 2019-09-07T20:41:19.01
IV.GAVE.EHE. ML:1.0 0.000045646754999999995 0.1408 AML other m 2019-09-07T20:41:20.79
IV.GAVE.EHN. ML:1.0 0.00004633338 0.2432 AML other m 2019-09-07T20:41:19.90
IV.MF5.EHN. ML:0.9 0.000040567445000000004 0.2432 AML other m 2019-09-07T20:41:17.57
IV.TERO.HHN. ML:0.8 0.000020487115 0.192 AML other m 2019-09-07T20:41:20.24
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