Earthquake with magnitude of ML 0.9 on date 08-09-2020 and time 14:58:03 (UTC) in region 2 km E Accumoli (RI)

A magnitude ML 0.9 earthquake occured in region: 2 km E Accumoli (RI), on

  • 08-09-2020 14:58:03 (UTC)
  • 08-09-2020 16:58:03 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7050, 13.2760 at 7 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 3 667 667
Arquata del Tronto AP 8 1178 1845
Amatrice RI 8 2657 4502
Acquasanta Terme AP 13 2916 7418
Cittareale RI 14 482 7900
Montegallo AP 16 523 8423
Norcia PG 18 4957 13380
Campotosto AQ 18 542 13922
Valle Castellana TE 19 977 14899

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km W of Teramo (54892 inhabitants)
41 Km N of L'Aquila (69753 inhabitants)
54 Km E of Terni (111501 inhabitants)
54 Km SE of Foligno (57155 inhabitants)
75 Km W of Montesilvano (53738 inhabitants)
81 Km W of Pescara (121014 inhabitants)
83 Km W of Chieti (51815 inhabitants)
85 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 2020-09-08
14:58:03
42.7052 13.2763 7 2020-09-08
15:07:46
Sala Sismica INGV-Roma 82738581
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-08 14:58:03 ± 0.16
Latitude 42.7052 ± 0.0027
Longitude 13.2763 ± 0.0049
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82738581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 388
Semi-minor axis of confidence ellipse (meter) 239
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) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 90
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 13
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.21584
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 7
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 82738581
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-08 15:07:46
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
XK.ALB1.HNZ. 2020-09-08T14:59:51.41 3.0 undecidable manual Sn -0.55 0
IV.JOPP.HHZ. 2020-09-08T14:59:49.21 3.0 undecidable manual Sn -5.26 0
IV.SPS2.HHZ. 2020-09-08T14:59:47.83 3.0 undecidable manual Sn 3.89 0
IV.SARZ.HHZ. 2020-09-08T14:59:46.89 3.0 undecidable manual Sg 16.34 0
GU.REMY.HHZ. 2020-09-08T14:59:12.85 3.0 positive manual Pn 4.54 0
IV.PTRP.HHZ. 2020-09-08T14:59:12.20 3.0 undecidable manual Sn -4.89 0
IV.TDS.HHZ. 2020-09-08T14:58:54.19 3.0 undecidable manual Pn 3.75 0
IV.AGLI.HHZ. 2020-09-08T14:58:51.95 3.0 undecidable manual Pg 7.65 0
IV.FVI.HHZ. 2020-09-08T14:58:49.60 3.0 negative manual Pn 2.3 0
IV.RIBO.EHZ.01 2020-09-08T14:58:42.90 3.0 undecidable manual Sg 1.3 0
IV.VIVA.HHZ. 2020-09-08T14:58:32.55 3.0 undecidable manual Sg 0.33 0
IV.CAFE.HHZ. 2020-09-08T14:58:27.59 3.0 undecidable manual Pn -1.49 0
IV.PTRJ.HNZ. 2020-09-08T14:58:27.17 3.0 undecidable manual Pg 5.59 0
IV.BRSN.HNZ. 2020-09-08T14:58:21.59 3.0 positive manual Pn 1.74 0
IT.FIE.HGZ. 2020-09-08T14:58:16.89 3.0 undecidable manual Pn -3.72 0
IV.MC2.EHN. 2020-09-08T14:58:12.42 0.6 undecidable manual S 343 23.9538 107 0.25 48
IV.LNSS.HNE. 2020-09-08T14:58:11.73 0.3 undecidable manual S 240 22.3554 108 0.1 74
IV.NRCA.HHZ. 2020-09-08T14:58:10.46 0.3 undecidable manual S 317 19.4694 111 -0.21 73
IV.MC2.EHN. 2020-09-08T14:58:08.81 0.3 undecidable manual P 343 23.9538 107 0.32 71
IV.CAMP.HHN. 2020-09-08T14:58:08.19 0.3 undecidable manual P 150 21.6672 109 0.14 74
IV.MTRA.EHZ. 2020-09-08T14:58:08.17 0.3 undecidable manual S 60 11.3775 123 0.02 77
IV.LNSS.HNE. 2020-09-08T14:58:08.05 0.3 undecidable manual P 240 22.3554 108 -0.13 74
IV.NRCA.HHZ. 2020-09-08T14:58:07.45 0.3 undecidable manual P 317 19.4694 111 -0.18 73
IV.SMA1.EHZ. 2020-09-08T14:58:07.50 0.1 undecidable manual S 150 9.5793 127 -0.14 100
IV.T1299.HNZ. 2020-09-08T14:58:07.46 0.3 undecidable manual S 177 7.881 133 0.27 73
IV.MTRA.EHZ. 2020-09-08T14:58:06.06 0.3 undecidable manual P 60 11.3775 123 -0.11 75
IV.SMA1.EHZ. 2020-09-08T14:58:05.80 0.3 undecidable manual P 150 9.5793 127 -0.08 76
IV.T1299.HNZ. 2020-09-08T14:58:05.56 0.3 undecidable manual P 177 7.881 133 -0.06 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:0.7 0.00007961636 0.1024 AML other m 2020-09-08T14:58:08.54
IV.SMA1.EHN. ML:0.7 0.00006869604 0.5376 AML other m 2020-09-08T14:58:12.10
IV.MTRA.HNE. ML:1.0 0.0001388657 0.3456 AML other m 2020-09-08T14:58:09.62
IV.MTRA.HNN. ML:1.0 0.0001415337 0.2048 AML other m 2020-09-08T14:58:09.27
IV.MTRA.EHE. ML:0.8 0.00009563914500000001 0.3456 AML other m 2020-09-08T14:58:09.62
IV.MTRA.EHN. ML:1.0 0.00014264005 0.1792 AML other m 2020-09-08T14:58:09.27
IV.NRCA.HHE. ML:0.9 0.00007229292500000001 0.1664 AML other m 2020-09-08T14:58:11.87
IV.NRCA.HHN. ML:0.7 0.000042089194999999996 0.1024 AML other m 2020-09-08T14:58:11.27
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