Earthquake with magnitude of ML 1.3 on date 11-09-2020 and time 14:36:57 (UTC) in region 9 km W Accumoli (RI)

A magnitude ML 1.3 earthquake occured in region: 9 km W Accumoli (RI), on

  • 11-09-2020 14:36:57 (UTC)
  • 11-09-2020 16:36:57 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7140, 13.1390 at 11 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 9 667 667
Norcia PG 10 4957 5624
Cascia PG 10 3217 8841
Cittareale RI 11 482 9323
Arquata del Tronto AP 15 1178 10501
Amatrice RI 15 2657 13158
Poggiodomo PG 17 117 13275
Monteleone di Spoleto PG 17 599 13874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km E of Terni (111501 inhabitants)
45 Km SE of Foligno (57155 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
47 Km W of Teramo (54892 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
86 Km W of Montesilvano (53738 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
88 Km NE of Tivoli (56533 inhabitants)
91 Km E of Viterbo (67173 inhabitants)
92 Km W of Pescara (121014 inhabitants)
93 Km W 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 1.3 2020-09-11
14:36:57
42.714 13.1392 11 2020-09-11
14:51:20
Sala Sismica INGV-Roma 82819271
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-09-11 14:36:57 ± 0.06
Latitude 42.7140 ± 0.0036
Longitude 13.1392 ± 0.0037
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 82819271

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 285
Semi-minor axis of confidence ellipse (meter) 265
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 249
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 48
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.12051
Epicentral distance of station farthest from the epicenter (degree) 0.42718
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 16
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.3
Num. used stations 34
Type of magnitude ML
Reference to an origin 82819271
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-09-11 14:51:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CAMP.HHZ. 2020-09-11T14:37:08.06 0.6 undecidable manual S 132 29.5482 90 -0.1 49
IV.MOMA.HHZ. 2020-09-11T14:37:07.02 0.6 negative manual P 282 47.4192 90 0.49 43
IV.MC2.EHZ. 2020-09-11T14:37:06.54 1.0 undecidable manual S 10 22.2555 90 0.34 23
IV.RM33.EHZ. 2020-09-11T14:37:06.06 1.0 undecidable manual S 165 23.5542 90 -0.49 23
IV.SMA1.EHZ. 2020-09-11T14:37:05.38 0.6 undecidable manual S 120 18.4704 91 0.19 48
IV.CSP1.EHZ. 2020-09-11T14:37:05.82 1.0 negative manual P 7 42.2244 90 0.09 24
IV.GAVE.EHZ. 2020-09-11T14:37:05.40 0.6 undecidable manual S 263 20.1687 91 -0.23 48
IV.MTRA.EHZ. 2020-09-11T14:37:05.67 0.6 undecidable manual S 77 21.4674 91 -0.32 47
IV.TERO.HHZ. 2020-09-11T14:37:05.23 0.3 undecidable manual P 105 39.2274 90 -0.04 72
IV.LNSS.HHZ. 2020-09-11T14:37:04.04 0.6 undecidable manual S 213 14.7741 93 -0.15 49
IV.CESI.HNE. 2020-09-11T14:37:04.81 1.0 undecidable manual P 329 37.5291 90 -0.19 23
IV.ARRO.EHZ. 2020-09-11T14:37:04.65 1.0 undecidable manual P 244 33.9438 90 0.2 24
IV.T1299.HNZ. 2020-09-11T14:37:04.39 1.0 undecidable manual S 127 14.6742 93 0.22 24
IV.FDMO.HHZ. 2020-09-11T14:37:04.66 1.0 positive manual P 353 36.0417 90 -0.11 24
IV.MMO1.EHZ. 2020-09-11T14:37:03.03 0.6 negative manual P 37 25.6521 90 -0.13 48
IV.NRCA.HNZ. 2020-09-11T14:37:03.56 0.6 undecidable manual S 351 13.3755 99 -0.28 48
IV.CAMP.HHZ. 2020-09-11T14:37:03.66 0.6 undecidable manual P 132 29.5482 90 -0.12 48
IV.RM33.EHZ. 2020-09-11T14:37:02.84 1.0 positive manual P 165 23.5542 90 -0.01 25
IV.MC2.EHZ. 2020-09-11T14:37:02.87 0.6 undecidable manual P 10 22.2555 90 0.22 48
IV.SMA1.EHZ. 2020-09-11T14:37:02.29 0.6 undecidable manual P 120 18.4704 91 0.22 48
IV.GAVE.EHZ. 2020-09-11T14:37:02.28 0.1 positive manual P 263 20.1687 91 -0.04 100
IV.MTRA.EHZ. 2020-09-11T14:37:02.53 0.3 positive manual P 77 21.4674 91 0 75
IV.NRCA.HNZ. 2020-09-11T14:37:01.29 0.6 negative manual P 351 13.3755 99 0 51
IV.LNSS.HHZ. 2020-09-11T14:37:01.55 0.1 positive manual P 213 14.7741 93 0.06 100
IV.T1299.HNZ. 2020-09-11T14:37:01.63 1.0 undecidable manual P 127 14.6742 93 0.15 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.5 0.00031008755 0.096 AML other m 2020-09-11T14:37:03.98
IV.NRCA.HHN. ML:1.3 0.0002148409 0.16 AML other m 2020-09-11T14:37:04.06
IV.NRCA.HNE. ML:1.5 0.00030582564999999997 0.1216 AML other m 2020-09-11T14:37:03.75
IV.NRCA.HNN. ML:1.3 0.00018486124999999998 0.1344 AML other m 2020-09-11T14:37:04.21
IV.LNSS.HHE. ML:1.4 0.00024877935000000004 0.1408 AML other m 2020-09-11T14:37:04.87
IV.LNSS.HHN. ML:1.5 0.00030564745000000003 0.1792 AML other m 2020-09-11T14:37:04.38
IV.LNSS.HNE. ML:1.4 0.00023975475000000002 0.1408 AML other m 2020-09-11T14:37:04.87
IV.LNSS.HNN. ML:1.5 0.00028866294999999997 0.1984 AML other m 2020-09-11T14:37:04.47
IV.GAVE.EHE. ML:1.4 0.0001644011 0.16 AML other m 2020-09-11T14:37:05.48
IV.GAVE.EHN. ML:1.4 0.0001826462 0.0832 AML other m 2020-09-11T14:37:06.01
IV.GAVE.HNE. ML:1.4 0.00016753515 0.192 AML other m 2020-09-11T14:37:06.52
IV.GAVE.HNN. ML:1.2 0.000099376075 0.6976 AML other m 2020-09-11T14:37:05.96
IV.MTRA.EHE. ML:1.1 0.00009185842500000001 0.2048 AML other m 2020-09-11T14:37:06.78
IV.MTRA.EHN. ML:1.0 0.00007472972999999999 0.1152 AML other m 2020-09-11T14:37:06.24
IV.MTRA.HNE. ML:1.3 0.00012339595 0.2304 AML other m 2020-09-11T14:37:06.14
IV.MTRA.HNN. ML:1.3 0.00014425575 0.3456 AML other m 2020-09-11T14:37:06.29
IV.RM33.EHE. ML:1.0 0.000059864130000000004 0.1408 AML other m 2020-09-11T14:37:07.00
IV.RM33.EHN. ML:0.8 0.000041862445 0.1216 AML other m 2020-09-11T14:37:08.12
IV.RM33.HNE. ML:1.3 0.00011913746 0.6912 AML other m 2020-09-11T14:37:07.17
IV.RM33.HNN. ML:1.4 0.00014802325 1.1264 AML other m 2020-09-11T14:37:06.60
IV.ARRO.EHE. ML:0.9 0.000033156505 0.1792 AML other m 2020-09-11T14:37:10.97
IV.ARRO.EHN. ML:0.8 0.00002477904 0.1984 AML other m 2020-09-11T14:37:11.80
IV.FDMO.HHE. ML:0.9 0.00003165828 0.1408 AML other m 2020-09-11T14:37:11.47
IV.FDMO.HHN. ML:0.9 0.000028416014999999998 0.1216 AML other m 2020-09-11T14:37:11.48
IV.TERO.HHE. ML:1.2 0.000052543315 0.1408 AML other m 2020-09-11T14:37:11.24
IV.TERO.HHN. ML:1.1 0.000042764085 0.0768 AML other m 2020-09-11T14:37:11.18
IV.TERO.HNE. ML:1.4 0.00009047909500000001 0.576 AML other m 2020-09-11T14:37:21.79
IV.TERO.HNN. ML:1.6 0.000130778295 0.6464 AML other m 2020-09-11T14:37:19.20
IV.CSP1.EHE. ML:0.8 0.000018211965000000002 0.4416 AML other m 2020-09-11T14:37:18.03
IV.CSP1.EHN. ML:1.9 0.00027952053 6.336 AML other m 2020-09-11T14:37:26.30
IV.MOMA.HHE. ML:1.2 0.000039197835 0.1984 AML other m 2020-09-11T14:37:15.10
IV.MOMA.HHN. ML:1.1 0.000036649299999999995 0.224 AML other m 2020-09-11T14:37:15.21
IV.MOMA.HNE. ML:1.6 0.000115063115 1.2288 AML other m 2020-09-11T14:37:23.40
IV.MOMA.HNN. ML:1.8 0.0001612818 0.9856 AML other m 2020-09-11T14:37:23.51
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download