Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 29-05-2020 and time 21:24:37 (Italy) in region 5 km NE Cittareale (RI)

A magnitude ML 1.0 earthquake occured in region: 5 km NE Cittareale (RI), on

  • 29-05-2020 19:24:37 (UTC)
  • 29-05-2020 21:24:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6610, 13.1870 at 14 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.

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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 5 482 482
Accumoli RI 6 667 1149
Amatrice RI 9 2657 3806
Arquata del Tronto AP 16 1178 4984
Cascia PG 16 3217 8201
Montereale AQ 16 2581 10782
Norcia PG 17 4957 15739
Posta RI 17 694 16433
Borbona RI 17 617 17050
Capitignano AQ 18 665 17715
Campotosto AQ 19 542 18257
Monteleone di Spoleto PG 19 599 18856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of L'Aquila (69753 inhabitants)
42 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
82 Km SE of Perugia (166134 inhabitants)
83 Km NE of Guidonia Montecelio (88673 inhabitants)
84 Km NE of Tivoli (56533 inhabitants)
87 Km W of Pescara (121014 inhabitants)
88 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 1.0 2020-05-29
19:24:37		 42.6608 13.1867 14 2020-05-29
19:44:03		 Sala Sismica INGV-Roma 79696861
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-29 19:24:37 ± 0.12
Latitude 42.6608 ± 0.0054
Longitude 13.1867 ± 0.0061
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 79696861

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 599
Semi-minor axis of confidence ellipse (meter) 310
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 33
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38221
Number of stations at which the event was observed 16
Number of stations from which data was used for origin computation 9
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 10
Type of magnitude ML
Reference to an origin 79696861
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-29 19:44:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.GSCL.HHZ. 2020-05-29T19:25:51.15 3.0 undecidable manual Sg 18.32 0
IV.PIEI.HHZ. 2020-05-29T19:24:59.18 3.0 undecidable manual Sn -1.98 0
IV.ATVO.HHZ. 2020-05-29T19:24:58.34 3.0 undecidable manual Sn -0.47 0
IV.MURB.HHZ. 2020-05-29T19:24:57.44 3.0 undecidable manual Sn 1.01 0
IV.FDMO.HHZ. 2020-05-29T19:24:50.40 0.1 undecidable manual S 349 42.4242 95 -0.81 77
IV.CRTC.HHZ. 2020-05-29T19:24:50.12 3.0 negative manual Pn 0.92 0
IV.MC2.EHZ. 2020-05-29T19:24:48.02 3.0 undecidable manual S 0
IV.TERO.HHZ. 2020-05-29T19:24:48.80 0.1 undecidable manual S 97 34.3434 96 -0.24 92
IV.MMO1.EHZ. 2020-05-29T19:24:47.91 0.3 undecidable manual S 23 28.8489 99 0.32 69
IV.FDMO.HHZ. 2020-05-29T19:24:45.51 0.3 undecidable manual P 349 42.4242 95 0.14 70
IV.MTRA.EHZ. 2020-05-29T19:24:45.19 0.1 undecidable manual S 58 20.1687 106 -0.13 98
IV.NRCA.HHZ. 2020-05-29T19:24:45.14 0.1 undecidable manual S 343 20.0688 107 -0.16 98
IV.TERO.HHZ. 2020-05-29T19:24:44.10 0.1 undecidable manual P 97 34.3434 96 -0.01 97
IV.RM33.EHZ. 2020-05-29T19:24:44.26 0.1 undecidable manual S 172 16.9719 112 -0.27 94
IV.SMA1.EHZ. 2020-05-29T19:24:43.60 0.1 undecidable manual S 105 12.5763 124 0.11 99
IV.LNSS.HHZ. 2020-05-29T19:24:43.61 0.1 undecidable manual S 242 13.5753 121 -0.1 99
IV.MMO1.EHZ. 2020-05-29T19:24:43.76 0.3 undecidable manual P 23 28.8489 99 0.48 67
IV.NRCA.HHZ. 2020-05-29T19:24:42.13 0.1 undecidable manual P 343 20.0688 107 0.18 97
IV.MC2.EHZ. 2020-05-29T19:24:42.45 3.0 undecidable manual P 0
IV.SRES.HHZ. 2020-05-29T19:24:42.72 3.0 positive manual P 0.02 0
IV.MTRA.EHZ. 2020-05-29T19:24:42.10 0.1 undecidable manual P 58 20.1687 106 0.13 98
IV.T1299.HNN. 2020-05-29T19:24:42.37 0.1 undecidable manual S 111 8.2806 140 -0.28 97
IV.LNSS.HHZ. 2020-05-29T19:24:41.19 0.1 undecidable manual P 242 13.5753 121 0.15 99
IV.SMA1.EHZ. 2020-05-29T19:24:41.19 0.1 undecidable manual P 105 12.5763 124 0.28 96
IV.RM33.EHZ. 2020-05-29T19:24:41.58 0.1 undecidable manual P 172 16.9719 112 0.07 100
IV.T1299.HNN. 2020-05-29T19:24:40.61 0.1 undecidable manual P 111 8.2806 140 0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:1.0 0.000087 0.48 AML other m 2020-05-29T19:24:43.71
IV.LNSS.HHN. ML:0.9 0.0000651 0.32 AML other m 2020-05-29T19:24:43.76
IV.SMA1.EHE. ML:1.4 0.00022449999999999998 1.7 AML other m 2020-05-29T19:24:43.97
IV.SMA1.EHN. ML:1.0 0.00008965000000000001 1.82 AML other m 2020-05-29T19:24:44.05
IV.RM33.EHN. ML:0.4 0.0000223 1.02 AML other m 2020-05-29T19:24:44.95
IV.RM33.EHE. ML:0.5 0.0000264 0.94 AML other m 2020-05-29T19:24:44.33
IV.NRCA.HHN. ML:0.9 0.00005345 0.18 AML other m 2020-05-29T19:24:45.43
IV.NRCA.HHE. ML:1.0 0.00006759999999999999 0.76 AML other m 2020-05-29T19:24:46.48
IV.LNSS.HNE. ML:1.2 0.000129975545 0.7296 AML other m 2020-05-29T19:24:44.16
IV.LNSS.HNN. ML:1.2 0.00014369769999999997 0.5632 AML other m 2020-05-29T19:24:43.77
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