Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 16-09-2019 and time 04:19:00 (Italy) in region 6 km E Accumoli (RI)

A magnitude ML 0.9 earthquake occured in region: 6 km E Accumoli (RI), on

  • 16-09-2019 02:19:00 (UTC)
  • 16-09-2019 04:19:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6850, 13.3190 at 8 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
Accumoli RI 6 667 667
Amatrice RI 7 2657 3324
Arquata del Tronto AP 10 1178 4502
Acquasanta Terme AP 12 2916 7418
Campotosto AQ 15 542 7960
Cittareale RI 15 482 8442
Valle Castellana TE 16 977 9419
Cortino TE 17 656 10075
Rocca Santa Maria TE 17 537 10612
Montegallo AP 18 523 11135
Capitignano AQ 18 665 11800
Montereale AQ 19 2581 14381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of Teramo (54892 inhabitants)
38 Km N of L'Aquila (69753 inhabitants)
57 Km E of Terni (111501 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
77 Km W of Pescara (121014 inhabitants)
79 Km W of Chieti (51815 inhabitants)
89 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
Reviewed
Rev100 		ML 0.9 2019-09-16
02:19:00		 42.6853 13.3187 8 2019-09-16
02:26:53		 Sala Sismica INGV-Roma 72447711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-09-16 02:19:00 ± 0.06
Latitude 42.6853 ± 0.0027
Longitude 13.3187 ± 0.0049
Depth (km) 8 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 72447711

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 347
Semi-minor axis of confidence ellipse (meter) 179
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 264
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 59
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 27
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.41998
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 72447711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-09-16 02:26:53
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FDMO.HHZ. 2019-09-16T02:19:14.99 0.6 undecidable manual S 334 43.2234 50 -0.37 44
IV.MF5.EHZ. 2019-09-16T02:19:13.75 0.3 undecidable manual S 19 35.4423 50 0.48 66
IV.MC2.EHZ. 2019-09-16T02:19:10.73 0.3 undecidable manual S 337 27.2505 107 0.12 72
IV.LNSS.HHZ. 2019-09-16T02:19:09.70 0.3 undecidable manual S 248 24.4533 109 0 74
IV.TERO.HHZ. 2019-09-16T02:19:09.41 0.6 undecidable manual S 106 24.2535 109 -0.23 47
IV.FDMO.HHZ. 2019-09-16T02:19:09.97 0.6 undecidable manual P 334 43.2234 50 0.79 38
IV.OFFI.HHZ. 2019-09-16T02:19:09.10 0.6 undecidable manual P 47 40.7259 50 0.31 45
IV.NRCA.HNZ. 2019-09-16T02:19:09.25 0.3 undecidable manual S 315 23.3544 110 -0.1 73
IV.ARRO.EHZ. 2019-09-16T02:19:09.21 0.3 undecidable manual P 256 46.62 50 -0.49 64
IV.MMO1.EHZ. 2019-09-16T02:19:09.29 0.3 undecidable manual S 2 23.754 109 -0.18 71
IV.RM33.EHZ. 2019-09-16T02:19:08.86 0.3 undecidable manual S 204 21.3675 111 0.19 72
IV.MF5.EHZ. 2019-09-16T02:19:07.97 0.3 undecidable manual P 19 35.4423 50 0 72
IV.GAVE.EHZ. 2019-09-16T02:19:07.40 0.6 undecidable manual P 271 34.6431 50 -0.44 44
IV.CAMP.HHZ. 2019-09-16T02:19:07.56 0.3 undecidable manual S 156 18.1707 115 -0.1 73
IV.MC2.EHZ. 2019-09-16T02:19:06.38 0.3 undecidable manual P 337 27.2505 107 -0.06 73
IV.RM33.EHZ. 2019-09-16T02:19:05.42 0.3 undecidable manual P 204 21.3675 111 0.1 73
IV.MMO1.EHZ. 2019-09-16T02:19:05.65 0.3 undecidable manual P 2 23.754 109 -0.13 72
IV.MTRA.EHZ. 2019-09-16T02:19:05.18 0.3 undecidable manual S 39 10.1787 129 -0.11 74
IV.LNSS.HHZ. 2019-09-16T02:19:05.79 0.3 undecidable manual P 248 24.4533 109 -0.12 72
IV.TERO.HHZ. 2019-09-16T02:19:05.72 0.1 undecidable manual P 106 24.2535 109 -0.16 95
IV.NRCA.HNZ. 2019-09-16T02:19:05.81 0.6 undecidable manual P 315 23.3544 110 0.1 48
IV.SMA1.EHZ. 2019-09-16T02:19:04.26 0.3 undecidable manual S 167 6.1938 143 -0.08 75
IV.CAMP.HHZ. 2019-09-16T02:19:04.66 0.1 undecidable manual P 156 18.1707 115 -0.07 98
IV.T1299.EHZ. 2019-09-16T02:19:04.56 0.3 undecidable manual S 208 6.3936 142 0.19 73
IV.MTRA.EHZ. 2019-09-16T02:19:03.41 0.1 positive manual P 39 10.1787 129 0.05 100
IV.T1299.EHZ. 2019-09-16T02:19:03.08 0.1 undecidable manual P 208 6.3936 142 0.25 97
IV.SMA1.EHZ. 2019-09-16T02:19:02.93 0.1 undecidable manual P 167 6.1938 143 0.12 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:1.0 0.00014473705 0.2208 AML other m 2019-09-16T02:19:05.51
IV.MTRA.EHN. ML:0.8 0.000080539 0.2608 AML other m 2019-09-16T02:19:06.28
IV.MTRA.HNE. ML:1.0 0.0001337218 0.2112 AML other m 2019-09-16T02:19:05.51
IV.MTRA.HNN. ML:1.0 0.00015295644999999998 0.6208 AML other m 2019-09-16T02:19:10.09
IV.RM33.EHE. ML:0.5 0.00002254929 0.1392 AML other m 2019-09-16T02:19:10.06
IV.RM33.EHN. ML:0.6 0.00003123903 0.0992 AML other m 2019-09-16T02:19:09.01
IV.TERO.HHE. ML:0.9 0.000048072025000000005 0.1408 AML other m 2019-09-16T02:19:09.21
IV.TERO.HHN. ML:1.2 0.000102513355 0.08 AML other m 2019-09-16T02:19:09.40
IV.TERO.HNE. ML:1.0 0.00006350990000000001 0.6496 AML other m 2019-09-16T02:19:10.08
IV.TERO.HNN. ML:1.2 0.00008777827 0.7696 AML other m 2019-09-16T02:19:09.23
IV.GAVE.EHE. ML:0.9 0.00003217749 0.16 AML other m 2019-09-16T02:19:13.76
IV.GAVE.EHN. ML:0.8 0.000027341339999999998 0.1792 AML other m 2019-09-16T02:19:13.37
IV.GAVE.HNE. ML:1.4 0.00009756861 0.4592 AML other m 2019-09-16T02:19:10.72
IV.GAVE.HNN. ML:1.6 0.00015244375 0.7312 AML other m 2019-09-16T02:19:25.54
IV.MF5.EHE. ML:0.9 0.00002750358 0.1792 AML other m 2019-09-16T02:19:14.38
IV.MF5.EHN. ML:0.9 0.000027607915 0.24 AML other m 2019-09-16T02:19:13.83
IV.FDMO.HHE. ML:0.5 0.000007848002 0.2592 AML other m 2019-09-16T02:19:15.20
IV.FDMO.HHN. ML:0.5 0.00001240538 0.2 AML other m 2019-09-16T02:19:15.08
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