Earthquake with magnitude of ML 0.7 on date 23-07-2020 and time 04:01:50 (UTC) in region 6 km NE Leonessa (RI)

A magnitude ML 0.7 earthquake occured in region: 6 km NE Leonessa (RI), on

  • 23-07-2020 04:01:50 (UTC)
  • 23-07-2020 06:01:50 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6070, 13.0010 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Leonessa RI 6 2435 2435
Monteleone di Spoleto PG 6 599 3034
Posta RI 12 694 3728
Cascia PG 13 3217 6945
Poggiodomo PG 13 117 7062
Polino TR 13 233 7295
Cittareale RI 13 482 7777
Poggio Bustone RI 15 2055 9832
Borbona RI 15 617 10449
Rivodutri RI 16 1253 11702
Morro Reatino RI 16 373 12075
Cantalice RI 17 2755 14830
Ferentillo TR 17 1913 16743
Micigliano RI 18 127 16870
Scheggino PG 18 461 17331
Labro RI 19 374 17705
Arrone TR 19 2763 20468
Montefranco TR 19 1276 21744
Sant'Anatolia di Narco PG 20 564 22308

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km E of Terni (111501 inhabitants)
43 Km NW of L'Aquila (69753 inhabitants)
46 Km SE of Foligno (57155 inhabitants)
58 Km W of Teramo (54892 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km N of Tivoli (56533 inhabitants)
75 Km SE of Perugia (166134 inhabitants)
76 Km E of Viterbo (67173 inhabitants)
90 Km NE of Roma (2864731 inhabitants)
95 Km W of Montesilvano (53738 inhabitants)
100 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 0.7 2020-07-23
04:01:50
42.607 13.0008 12 2020-07-23
04:36:50
Sala Sismica INGV-Roma 81264661
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-07-23 04:01:50 ± 0.06
Latitude 42.6070 ± 0.0036
Longitude 13.0008 ± 0.0037
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 81264661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 364
Semi-minor axis of confidence ellipse (meter) 278
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 199
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) 139
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 9
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.24102
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.1
Num. used stations 6
Type of magnitude ML
Reference to an origin 81264661
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-07-23 04:36:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PANTE.HHZ. 2020-07-23T04:03:38.80 3.0 undecidable manual Pg 19.66 0
IV.SLCN.HHZ. 2020-07-23T04:03:25.34 3.0 undecidable manual Sg 7.66 0
IV.CMPR.HHZ. 2020-07-23T04:03:16.24 3.0 undecidable manual Sn 1.12 0
IV.GALF.HHZ. 2020-07-23T04:03:03.92 3.0 positive manual Pn -4.3 0
IV.ROSPO.HHZ. 2020-07-23T04:02:44.35 3.0 undecidable manual S 2.44 0
MN.TRI.HHZ. 2020-07-23T04:02:43.87 3.0 positive manual Pn 0.47 0
IV.SGG.HHZ. 2020-07-23T04:02:43.34 3.0 undecidable manual S -0.74 0
IV.RAVA.EHZ. 2020-07-23T04:02:39.44 3.0 negative manual Pg 4.62 0
IV.ROSPO.HHZ. 2020-07-23T04:02:21.48 3.0 undecidable manual Pg 1.46 0
IT.RMVT.HGZ. 2020-07-23T04:02:17.32 3.0 undecidable manual S -1.89 0
IV.GIUL.HHZ. 2020-07-23T04:02:11.05 3.0 positive manual P -2.17 0
IV.EL6.EHZ. 2020-07-23T04:02:08.44 3.0 negative manual P 0.03 0
IV.NRCA.HHZ. 2020-07-23T04:02:00.18 0.3 undecidable manual S 20 26.751 95 -0.05 74
IV.RM33.EHZ. 2020-07-23T04:01:58.47 0.6 undecidable manual S 122 20.5683 100 -0.11 49
IV.GAVE.EHZ. 2020-07-23T04:01:56.45 0.6 undecidable manual S 317 12.876 117 -0.17 49
IV.NRCA.HHZ. 2020-07-23T04:01:56.20 0.3 negative manual P 20 26.751 95 0.04 74
IV.RM33.EHZ. 2020-07-23T04:01:55.25 0.6 undecidable manual P 122 20.5683 100 0.04 50
IV.ARRO.EHZ. 2020-07-23T04:01:55.01 0.1 positive manual P 261 19.4694 101 -0.03 100
IV.GAVE.EHZ. 2020-07-23T04:01:54.21 0.3 undecidable manual P 317 12.876 117 0.13 75
IV.LNSS.HHZ. 2020-07-23T04:01:54.89 0.3 undecidable manual S 98 3.2967 161 -0.05 77
IV.LNSS.HHZ. 2020-07-23T04:01:53.28 0.6 undecidable manual P 98 3.2967 161 0.17 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GAVE.EHE. ML:0.8 0.0000558 0.26 AML other m 2020-07-23T04:01:56.60
IV.GAVE.EHN. ML:0.8 0.00005550000000000001 0.26 AML other m 2020-07-23T04:01:56.70
IV.RM33.EHN. ML:0.6 0.0000315 0.5 AML other m 2020-07-23T04:01:58.82
IV.RM33.EHE. ML:0.6 0.000030449999999999998 0.9 AML other m 2020-07-23T04:01:59.15
IV.NRCA.HHN. ML:0.7 0.000023449999999999997 1.4 AML other m 2020-07-23T04:02:00.97
IV.NRCA.HHE. ML:1.0 0.00004795 0.14 AML other m 2020-07-23T04:02:00.49
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