Earthquake with magnitude of ML 1.1 on date 09-01-2021 and time 06:24:28 (Italy) in region 5 km E Accumoli (RI)

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

  • 09-01-2021 05:24:28 (UTC)
  • 09-01-2021 06:24:28 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7120, 13.3010 at 13 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.

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
Arquata del Tronto AP 7 1178 1845
Amatrice RI 9 2657 4502
Acquasanta Terme AP 11 2916 7418
Montegallo AP 15 523 7941
Cittareale RI 16 482 8423
Valle Castellana TE 16 977 9400
Campotosto AQ 18 542 9942
Rocca Santa Maria TE 19 537 10479
Norcia PG 19 4957 15436
Cortino TE 20 656 16092

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km W of Teramo (54892 inhabitants)
41 Km N of L'Aquila (69753 inhabitants)
56 Km E of Foligno (57155 inhabitants)
56 Km E of Terni (111501 inhabitants)
73 Km W of Montesilvano (53738 inhabitants)
80 Km W of Pescara (121014 inhabitants)
82 Km NW of Chieti (51815 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
92 Km NE of Guidonia Montecelio (88673 inhabitants)
93 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 2021-01-09
05:24:28
42.7123 13.3007 13 2021-01-09
05:49:57
Sala Sismica INGV-Roma 86115551
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-01-09 05:24:28 ± 0.14
Latitude 42.7123 ± 0.0045
Longitude 13.3007 ± 0.0110
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 86115551

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 723
Semi-minor axis of confidence ellipse (meter) 565
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 72
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.07914
Epicentral distance of station farthest from the epicenter (degree) 0.38581
Number of stations at which the event was observed 9
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 15
Type of magnitude ML
Reference to an origin 86115551
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-01-09 05:49:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2021-01-09T05:24:37.34 0.6 undecidable manual S 240 24.4533 98 -0.31 47
IV.TERO.HHZ. 2021-01-09T05:24:37.88 0.6 undecidable manual S 112 26.6511 96 -0.35 47
IV.NRCA.HHZ. 2021-01-09T05:24:36.34 0.6 undecidable manual S 312 20.2686 101 -0.2 48
IV.CSP1.EHZ. 2021-01-09T05:24:36.98 0.1 undecidable manual P 350 42.8238 93 0.33 90
IV.MMO1.EHZ. 2021-01-09T05:24:36.81 0.6 undecidable manual S 6 20.868 101 0.12 49
IV.TERO.HHZ. 2021-01-09T05:24:34.08 0.1 undecidable manual P 112 26.6511 96 -0.09 98
IV.MC2.EHN. 2021-01-09T05:24:33.85 0.6 undecidable manual P 338 23.8539 98 0.1 49
IV.NRCA.HHZ. 2021-01-09T05:24:33.21 0.1 undecidable manual P 312 20.2686 101 0.01 100
IV.T1299.EHN. 2021-01-09T05:24:33.82 0.6 undecidable manual S 190 8.7801 135 0.01 51
IV.SMA1.EHZ. 2021-01-09T05:24:33.69 0.6 undecidable manual S 163 9.4794 132 -0.25 48
IV.LNSS.HHZ. 2021-01-09T05:24:33.81 0.1 undecidable manual P 240 24.4533 98 -0.03 99
IV.MTRA.EHZ. 2021-01-09T05:24:33.74 0.6 undecidable manual S 58 9.1797 133 -0.15 49
IV.MMO1.EHZ. 2021-01-09T05:24:32.73 0.1 undecidable manual P 6 20.868 101 -0.56 88
IV.SMA1.EHZ. 2021-01-09T05:24:31.87 0.1 undecidable manual P 163 9.4794 132 0.17 98
IV.MTRA.EHZ. 2021-01-09T05:24:31.90 0.1 undecidable manual P 58 9.1797 133 0.23 97
IV.T1299.EHN. 2021-01-09T05:24:31.94 0.1 undecidable manual P 190 8.7801 135 0.32 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.1 0.00014199999999999998 0.14 AML other m 2021-01-09T05:24:34.13
IV.MTRA.EHN. ML:1.2 0.0001855 0.08 AML other m 2021-01-09T05:24:34.09
IV.SMA1.EHE. ML:1.0 0.00012335 0.1 AML other m 2021-01-09T05:24:34.23
IV.MTRA.EHE. ML:1.2 0.00017891392 0.0608 AML other m 2021-01-09T05:24:34.06
IV.NRCA.HHN. ML:1.1 0.00008605378999999999 0.0992 AML other m 2021-01-09T05:24:36.67
IV.NRCA.HHE. ML:0.9 0.000059726765 0.08 AML other m 2021-01-09T05:24:36.69
IV.MTRA.HNE. ML:1.2 0.000183573695 0.0704 AML other m 2021-01-09T05:24:34.06
IV.MTRA.HNN. ML:1.2 0.000183393625 0.0704 AML other m 2021-01-09T05:24:34.09
IV.NRCA.HNE. ML:1.1 0.00009005788500000001 0.48 AML other m 2021-01-09T05:24:40.95
IV.NRCA.HNN. ML:1.5 0.00021109085 0.8512 AML other m 2021-01-09T05:24:43.34
IV.LNSS.HNN. ML:1.3 0.0001190319 0.8 AML other m 2021-01-09T05:24:37.72
IV.LNSS.HHE. ML:1.0 0.000061463665 0.2208 AML other m 2021-01-09T05:24:37.97
IV.LNSS.HHN. ML:0.8 0.0000405653205 0.1184 AML other m 2021-01-09T05:24:37.78
IV.TERO.HHE. ML:0.6 0.000022163073999999997 0.1408 AML other m 2021-01-09T05:24:39.48
IV.TERO.HHN. ML:0.8 0.0000364973 0.0608 AML other m 2021-01-09T05:24:38.14
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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