Earthquake with magnitude of ML 0.9 on date 19-07-2020 and time 19:37:00 (Italy) in region 7 km W Accumoli (RI)

A magnitude ML 0.9 earthquake occured in region: 7 km W Accumoli (RI), on

  • 19-07-2020 17:37:00 (UTC)
  • 19-07-2020 19:37:00 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7020, 13.1670 at 10 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 7 667 667
Cittareale RI 9 482 1149
Norcia PG 12 4957 6106
Cascia PG 13 3217 9323
Amatrice RI 13 2657 11980
Arquata del Tronto AP 13 1178 13158
Monteleone di Spoleto PG 18 599 13757
Poggiodomo PG 19 117 13874

Municipalities with at least 50000 inhabitants

An earthquake occurred to
43 Km NW of L'Aquila (69753 inhabitants)
44 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
47 Km SE of Foligno (57155 inhabitants)
78 Km SE of Perugia (166134 inhabitants)
83 Km W of Montesilvano (53738 inhabitants)
86 Km NE of Guidonia Montecelio (88673 inhabitants)
87 Km NE of Tivoli (56533 inhabitants)
90 Km W of Pescara (121014 inhabitants)
91 Km W of Chieti (51815 inhabitants)
93 Km E of Viterbo (67173 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 2020-07-19
17:37:00
42.7018 13.1673 11 2020-07-19
17:54:44
Sala Sismica INGV-Roma 81163751
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-19 17:37:00 ± 0.06
Latitude 42.7018 ± 0.0027
Longitude 13.1673 ± 0.0049
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 81163751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 360
Semi-minor axis of confidence ellipse (meter) 285
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 90
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 77
Number of associated phases, regardless of their use for origin computation 23
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.39120
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 11
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 17
Type of magnitude ML
Reference to an origin 81163751
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-19 17:54:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2020-07-19T17:37:20.52 3.0 positive manual P 0.21 0
IV.CSP1.EHZ. 2020-07-19T17:37:14.83 0.3 undecidable manual S 4 43.4232 50 0.15 70
IV.TERO.HHZ. 2020-07-19T17:37:12.42 0.3 undecidable manual S 104 36.6411 50 -0.47 66
IV.CAMP.HHZ. 2020-07-19T17:37:11.04 1.0 undecidable manual S 133 26.9508 50 0.74 20
IV.MMO1.HNZ. 2020-07-19T17:37:09.84 0.3 undecidable manual S 31 25.4523 50 -0.06 73
IV.MC2.EHZ. 2020-07-19T17:37:09.54 0.3 undecidable manual S 4 23.3544 50 0.21 71
IV.MTRA.EHZ. 2020-07-19T17:37:08.00 0.3 undecidable manual S 72 19.6692 118 -0.25 71
IV.GAVE.EHZ. 2020-07-19T17:37:08.74 0.3 undecidable manual S 267 22.2555 50 -0.31 70
IV.CSP1.EHZ. 2020-07-19T17:37:08.99 0.6 undecidable manual P 4 43.4232 50 0.29 45
IV.RM33.EHZ. 2020-07-19T17:37:08.60 0.3 undecidable manual S 170 21.7671 116 -0.29 70
IV.TERO.HHZ. 2020-07-19T17:37:07.73 0.3 undecidable manual P 104 36.6411 50 0.07 72
IV.SMA1.EHZ. 2020-07-19T17:37:07.37 0.3 undecidable manual S 120 15.7731 124 0.27 71
IV.NRCA.HHZ. 2020-07-19T17:37:06.70 0.3 undecidable manual S 344 15.2736 125 -0.24 72
IV.CAMP.HHZ. 2020-07-19T17:37:06.12 0.6 undecidable manual P 133 26.9508 50 -0.05 49
IV.LNSS.HHZ. 2020-07-19T17:37:06.93 0.3 undecidable manual S 223 15.0738 125 0.03 75
IV.RM33.EHZ. 2020-07-19T17:37:05.20 0.6 positive manual P 170 21.7671 116 -0.15 48
IV.MMO1.HNZ. 2020-07-19T17:37:05.84 0.1 undecidable manual P 31 25.4523 50 -0.09 97
IV.GAVE.EHZ. 2020-07-19T17:37:05.68 0.3 undecidable manual P 267 22.2555 50 0.23 71
IV.MC2.EHZ. 2020-07-19T17:37:05.54 0.3 undecidable manual P 4 23.3544 50 -0.06 73
IV.NRCA.HHZ. 2020-07-19T17:37:04.25 0.1 negative manual P 344 15.2736 125 0.03 100
IV.MTRA.EHZ. 2020-07-19T17:37:04.97 0.3 undecidable manual P 72 19.6692 118 -0.01 75
IV.LNSS.HHZ. 2020-07-19T17:37:04.30 0.1 undecidable manual P 223 15.0738 125 0.1 99
IV.SMA1.EHZ. 2020-07-19T17:37:04.63 0.1 undecidable manual P 120 15.7731 124 0.31 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NRCA.HHE. ML:1.2 0.0001369622 0.1152 AML other m 2020-07-19T17:37:07.44
IV.NRCA.HHN. ML:1.0 0.00008716105499999998 0.1024 AML other m 2020-07-19T17:37:07.21
IV.NRCA.HNE. ML:1.2 0.000134656095 0.1152 AML other m 2020-07-19T17:37:07.44
IV.NRCA.HNN. ML:1.0 0.00008452988 0.128 AML other m 2020-07-19T17:37:07.21
IV.LNSS.HHE. ML:1.0 0.000097869715 0.2432 AML other m 2020-07-19T17:37:07.18
IV.LNSS.HHN. ML:1.1 0.00011783926 0.1792 AML other m 2020-07-19T17:37:07.13
IV.LNSS.HNE. ML:1.1 0.000117442385 0.2176 AML other m 2020-07-19T17:37:07.07
IV.LNSS.HNN. ML:1.0 0.00010096408 0.1792 AML other m 2020-07-19T17:37:07.13
IV.SMA1.EHE. ML:0.9 0.000066300685 0.192 AML other m 2020-07-19T17:37:07.94
IV.SMA1.EHN. ML:0.7 0.000042967545 0.32 AML other m 2020-07-19T17:37:08.42
IV.MTRA.EHN. ML:0.3 0.000017461415 0.1408 AML other m 2020-07-19T17:37:08.75
IV.RM33.EHE. ML:0.6 0.000024787655 0.1408 AML other m 2020-07-19T17:37:09.96
IV.RM33.EHN. ML:0.7 0.000033644065 0.1408 AML other m 2020-07-19T17:37:09.14
IV.GAVE.EHE. ML:0.7 0.000035594725 0.1664 AML other m 2020-07-19T17:37:09.55
IV.GAVE.EHN. ML:0.8 0.00004669658 0.2432 AML other m 2020-07-19T17:37:08.00
IV.CSP1.EHE. ML:0.5 0.000012275954999999998 0.1792 AML other m 2020-07-19T17:37:15.83
IV.CSP1.EHN. ML:0.7 0.0000163619 0.2304 AML other m 2020-07-19T17:37:16.71
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