Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 09-03-2019 and time 09:43:06 (Italy) in region 5 km E Accumoli (RI)

A magnitude ML 1.1 earthquake occured in region: 5 km E Accumoli (RI), on

  • 09-03-2019 08:43:06 (UTC)
  • 09-03-2019 09:43:06 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6990, 13.3070 at 12 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 5 667 667
Amatrice RI 8 2657 3324
Arquata del Tronto AP 8 1178 4502
Acquasanta Terme AP 12 2916 7418
Cittareale RI 15 482 7900
Montegallo AP 16 523 8423
Valle Castellana TE 16 977 9400
Campotosto AQ 17 542 9942
Rocca Santa Maria TE 18 537 10479
Cortino TE 19 656 11135
Capitignano AQ 20 665 11800
Montereale AQ 20 2581 14381

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km W of Teramo (54892 inhabitants)
39 Km N of L'Aquila (69753 inhabitants)
56 Km E of Terni (111501 inhabitants)
57 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
79 Km W of Pescara (121014 inhabitants)
81 Km W of Chieti (51815 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
91 Km NE of Guidonia Montecelio (88673 inhabitants)
92 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 1.1 2019-03-09
08:43:06		 42.699 13.3068 12 2019-03-09
08:59:36		 Sala Sismica INGV-Roma 66311251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-03-09 08:43:06 ± 0.07
Latitude 42.6990 ± 0.0036
Longitude 13.3068 ± 0.0061
Depth (km) 12 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 66311251

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 464
Semi-minor axis of confidence ellipse (meter) 139
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 460.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 24
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42448
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 66311251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-03-09 08:59:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACR.HHZ. 2019-03-09T08:43:56.86 3.0 undecidable manual Sn 0.61 0
IV.TEOL.HHZ. 2019-03-09T08:43:52.70 3.0 undecidable manual Pn 2.62 0
TV.SF01.EHZ. 2019-03-09T08:43:49.35 3.0 undecidable manual S 3.43 0
IV.COLB.HHZ. 2019-03-09T08:43:42.25 3.0 undecidable manual Pg 3.64 0
IV.PE3.EHZ. 2019-03-09T08:43:41.33 3.0 undecidable manual S -0.52 0
IV.VVLD.HHZ. 2019-03-09T08:43:34.12 3.0 undecidable manual S -2.67 0
IV.CIMA.HNZ. 2019-03-09T08:43:27.87 3.0 undecidable manual S -0.66 0
IV.CESI.HHE. 2019-03-09T08:43:22.11 0.6 undecidable manual S 316 47.1195 92 0.2 46
IV.MF5.EHZ. 2019-03-09T08:43:19.42 0.3 undecidable manual S 21 34.3434 93 0.91 57
IV.GAVE.EHZ. 2019-03-09T08:43:18.31 0.3 undecidable manual S 269 33.6441 94 -0.01 73
IV.CIMA.HNZ. 2019-03-09T08:43:17.90 3.0 undecidable manual P 0
IV.MC2.EHZ. 2019-03-09T08:43:16.08 0.3 undecidable manual S 338 25.4523 96 -0.05 74
IV.LNSS.HHZ. 2019-03-09T08:43:15.86 0.3 undecidable manual S 244 24.2535 97 0.05 73
IV.RM33.EHZ. 2019-03-09T08:43:15.34 0.3 undecidable manual S 200 22.3554 98 0.02 74
IV.MMO1.EHE. 2019-03-09T08:43:15.16 0.3 undecidable manual S 4 22.2555 98 -0.13 73
IV.CESI.HHE. 2019-03-09T08:43:15.43 0.3 undecidable manual P 316 47.1195 92 -0.12 70
IV.TERO.HHZ. 2019-03-09T08:43:15.96 0.1 undecidable manual S 109 25.6521 96 -0.23 94
IV.CAMP.HHE. 2019-03-09T08:43:14.47 0.3 undecidable manual S 155 19.9689 100 -0.21 72
IV.MF5.EHZ. 2019-03-09T08:43:14.06 0.1 undecidable manual P 21 34.3434 93 0.47 89
IV.NRCA.HHE. 2019-03-09T08:43:14.74 0.3 undecidable manual S 314 21.6672 98 -0.39 69
IV.GAVE.EHZ. 2019-03-09T08:43:13.34 0.3 undecidable manual P 269 33.6441 94 -0.14 71
IV.TERO.HHZ. 2019-03-09T08:43:12.10 0.1 undecidable manual P 109 25.6521 96 -0.15 96
IV.MTRA.HNZ. 2019-03-09T08:43:12.04 0.1 undecidable manual S 49 9.6792 129 -0.14 100
IV.LNSS.HHZ. 2019-03-09T08:43:12.00 0.1 undecidable manual P 244 24.2535 97 -0.03 99
IV.MC2.EHZ. 2019-03-09T08:43:12.21 0.3 undecidable manual P 338 25.4523 96 0 74
IV.SMA1.EHZ. 2019-03-09T08:43:11.95 0.1 undecidable manual S 163 7.9809 137 0.11 99
IV.NRCA.HHE. 2019-03-09T08:43:11.49 0.1 undecidable manual P 314 21.6672 98 -0.15 97
IV.CAMP.HHE. 2019-03-09T08:43:11.56 0.3 undecidable manual P 155 19.9689 100 0.18 73
IV.RM33.EHZ. 2019-03-09T08:43:11.86 0.1 undecidable manual P 200 22.3554 98 0.11 98
IV.MMO1.EHE. 2019-03-09T08:43:11.21 0.3 undecidable manual P 4 22.2555 98 -0.52 66
IV.SMA1.EHZ. 2019-03-09T08:43:10.00 0.1 undecidable manual P 163 7.9809 137 0.26 96
IV.MTRA.HNZ. 2019-03-09T08:43:10.03 0.1 undecidable manual P 49 9.6792 129 0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.4 0.000333 0.32 AML other m 2019-03-09T08:43:12.04
IV.SMA1.EHE. ML:1.3 0.000228 0.1 AML other m 2019-03-09T08:43:12.04
IV.RM33.EHN. ML:0.9 0.000050799999999999995 1.7 AML other m 2019-03-09T08:43:16.06
IV.TERO.HHN. ML:1.1 0.0000703 0.58 AML other m 2019-03-09T08:43:16.07
IV.RM33.EHE. ML:0.9 0.000046399999999999996 1.72 AML other m 2019-03-09T08:43:16.08
IV.TERO.HHE. ML:1.2 0.00008499999999999999 0.14 AML other m 2019-03-09T08:43:16.14
IV.LNSS.HHE. ML:1.0 0.00005855000000000001 0.5 AML other m 2019-03-09T08:43:16.52
IV.LNSS.HHN. ML:1.0 0.00005465000000000001 0.52 AML other m 2019-03-09T08:43:17.46
IV.GAVE.EHN. ML:0.9 0.000035799999999999996 0.68 AML other m 2019-03-09T08:43:19.50
IV.GAVE.EHE. ML:1.0 0.00003925 1.74 AML other m 2019-03-09T08:43:19.93
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