Earthquake with magnitude of ML 0.7 on date 02-08-2020 and time 17:52:38 (Italy) in region 4 km NE Cittareale (RI)

A magnitude ML 0.7 earthquake occured in region: 4 km NE Cittareale (RI), on

  • 02-08-2020 15:52:38 (UTC)
  • 02-08-2020 17:52:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6500, 13.1840 at 8 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
Cittareale RI 4 482 482
Accumoli RI 7 667 1149
Amatrice RI 9 2657 3806
Montereale AQ 15 2581 6387
Posta RI 16 694 7081
Borbona RI 16 617 7698
Cascia PG 16 3217 10915
Arquata del Tronto AP 17 1178 12093
Capitignano AQ 17 665 12758
Norcia PG 18 4957 17715
Campotosto AQ 18 542 18257
Monteleone di Spoleto PG 19 599 18856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
38 Km NW of L'Aquila (69753 inhabitants)
43 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
81 Km NE of Guidonia Montecelio (88673 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
87 Km W of Pescara (121014 inhabitants)
87 Km W of Chieti (51815 inhabitants)
92 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 0.7 2020-08-02
15:52:38
42.6503 13.1843 8 2020-08-02
15:59:12
Sala Sismica INGV-Roma 81582931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-08-02 15:52:38 ± 0.38
Latitude 42.6503 ± 0.0072
Longitude 13.1843 ± 0.0098
Depth (km) 8 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 81582931

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 768
Semi-minor axis of confidence ellipse (meter) 395
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 271
Circular confidence region, given by single value of horizontal uncertainty (meter) 770.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 98
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.19066
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 6
Magnitude information

ML:0.7

Field Value
Value 0.7
Uncertainty 0.2
Num. used stations 8
Type of magnitude ML
Reference to an origin 81582931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-08-02 15:59:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CELI.HHZ. 2020-08-02T15:54:28.36 3.0 undecidable manual Sn 3.89 0
IV.SPS2.HHZ. 2020-08-02T15:54:19.46 3.0 undecidable manual Sn -5.85 0
IV.HPAC.HHZ. 2020-08-02T15:54:07.73 3.0 undecidable manual Pn 4.22 0
AC.KBN.HHZ. 2020-08-02T15:54:06.77 3.0 undecidable manual Pg 10.9 0
IV.CRAC.EHZ. 2020-08-02T15:53:59.03 3.0 undecidable manual Sn -4.69 0
IV.CDRU.HHZ. 2020-08-02T15:53:54.48 3.0 undecidable manual Sg 4.04 0
IV.MONC.HHZ. 2020-08-02T15:53:50.72 3.0 undecidable manual Pg 12.34 0
IV.MPNC.HHZ. 2020-08-02T15:53:50.37 3.0 negative manual Pn 5.47 0
GU.ROTM.HHZ. 2020-08-02T15:53:49.18 3.0 positive manual Pg 15.85 0
IV.ECTS.HHZ. 2020-08-02T15:53:46.40 3.0 undecidable manual Pn -1.46 0
IV.AGLI.HHZ. 2020-08-02T15:53:42.06 3.0 undecidable manual Pg 13.95 0
IV.BRMO.HHZ. 2020-08-02T15:53:39.43 3.0 negative manual Pg 7.23 0
IV.FIR.HHZ. 2020-08-02T15:53:27.71 3.0 undecidable manual Sg 0.68 0
IV.NDIM.HHZ. 2020-08-02T15:53:17.97 3.0 negative manual Pg 5.54 0
IV.ROSPO.HHZ. 2020-08-02T15:53:11.87 3.0 undecidable manual Sg 0.36 0
IV.PE3.EHZ. 2020-08-02T15:53:04.72 3.0 undecidable manual S -1.7 0
IV.RONT.HHZ. 2020-08-02T15:52:57.62 3.0 undecidable manual Pn -3.31 0
IT.PLTA.HNZ. 2020-08-02T15:52:52.35 3.0 negative manual P -2.74 0
IV.PTQR.HHZ. 2020-08-02T15:52:48.05 3.0 undecidable manual Pn -1.33 0
IV.FAGN.HHZ. 2020-08-02T15:52:48.96 3.0 undecidable manual P 4.36 0
IV.NRCA.HNE. 2020-08-02T15:52:45.96 0.1 undecidable manual S 344 21.1677 110 -0.47 90
IV.MTRA.EHZ. 2020-08-02T15:52:45.79 0.1 undecidable manual S 56 20.9679 110 -0.59 87
IV.RM33.EHZ. 2020-08-02T15:52:44.40 0.1 undecidable manual S 171 15.873 116 -0.36 93
IV.LNSS.HHZ. 2020-08-02T15:52:44.08 0.3 undecidable manual S 246 12.876 121 0.23 72
IV.MTRA.EHZ. 2020-08-02T15:52:43.44 0.1 undecidable manual P 56 20.9679 110 0.34 93
IV.ATFO.HHZ. 2020-08-02T15:52:43.67 3.0 undecidable manual P -2.06 0
IV.NRCA.HNE. 2020-08-02T15:52:43.73 0.1 undecidable manual P 344 21.1677 110 0.59 86
IV.SMA1.EHZ. 2020-08-02T15:52:43.98 0.3 undecidable manual S 100 12.4764 122 0.24 72
IV.T1299.EHN. 2020-08-02T15:52:42.75 0.1 undecidable manual S 103 8.1807 133 0.21 97
IV.LNSS.HHZ. 2020-08-02T15:52:41.46 0.6 undecidable manual P 246 12.876 121 -0.18 49
IV.SMA1.EHZ. 2020-08-02T15:52:41.70 0.1 undecidable manual P 100 12.4764 122 0.12 98
IV.RM33.EHZ. 2020-08-02T15:52:41.86 0.3 positive manual P 171 15.873 116 -0.31 71
IV.T1299.EHN. 2020-08-02T15:52:40.97 0.1 undecidable manual P 103 8.1807 133 0.08 100
IV.SENI.EHZ. 2020-08-02T15:52:39.68 3.0 positive manual P -3.71 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.0 0.0001235 0.28 AML other m 2020-08-02T15:52:44.25
IV.SMA1.EHN. ML:0.7 0.0000629 0.2 AML other m 2020-08-02T15:52:44.34
IV.LNSS.HHE. ML:0.5 0.00004045 0.36 AML other m 2020-08-02T15:52:44.72
IV.RM33.EHN. ML:0.6 0.000035699999999999994 0.74 AML other m 2020-08-02T15:52:45.12
IV.RM33.EHE. ML:0.3 0.0000218 0.92 AML other m 2020-08-02T15:52:45.22
IV.MTRA.EHN. ML:0.8 0.00004555 0.16 AML other m 2020-08-02T15:52:45.94
IV.MTRA.EHE. ML:0.8 0.00004995 0.38 AML other m 2020-08-02T15:52:46.04
IV.LNSS.HHN. ML:0.5 0.0000341 0.74 AML other m 2020-08-02T15:52:47.15
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