Earthquake with magnitude of ML 1.2 on date 06-06-2021 and time 19:40:24 (UTC) in region 4 km NE Cittareale (RI)

A magnitude ML 1.2 earthquake occured in region: 4 km NE Cittareale (RI), on

  • 06-06-2021 19:40:24 (UTC)
  • 06-06-2021 21:40:24 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6500, 13.1860 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
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 16 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)
42 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
52 Km SE of Foligno (57155 inhabitants)
80 Km W of Montesilvano (53738 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 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 1.2 2021-06-06
19:40:24
42.6505 13.1865 11 2021-06-06
19:46:16
Sala Sismica INGV-Roma 90869901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2021-06-06 19:40:24 ± 0.07
Latitude 42.6505 ± 0.0036
Longitude 13.1865 ± 0.0049
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 90869901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 350
Semi-minor axis of confidence ellipse (meter) 319
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 233
Circular confidence region, given by single value of horizontal uncertainty (meter) 350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 74
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.17
Epicentral distance of station closest to the epicenter (degree) 0.07195
Epicentral distance of station farthest from the epicenter (degree) 0.44157
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 90869901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2021-06-06 19:46:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2021-06-06T19:40:33.91 0.6 negative manual P 2 49.0176 50 0.14 46
IV.FDMO.HHZ. 2021-06-06T19:40:33.03 1.0 undecidable manual P 349 43.5231 50 0.1 24
IV.MTRA.EHZ. 2021-06-06T19:40:32.49 0.3 undecidable manual S 55 20.7681 117 -0.34 70
IV.NRCA.HHZ. 2021-06-06T19:40:32.83 0.3 undecidable manual S 344 21.1677 117 -0.11 74
IV.ARRO.EHZ. 2021-06-06T19:40:31.46 1.0 undecidable manual P 257 35.2425 50 -0.19 24
IV.MC2.EHZ. 2021-06-06T19:40:30.91 1.0 undecidable manual P 0 28.9488 50 0.23 24
IV.LNSS.HHZ. 2021-06-06T19:40:30.67 0.3 undecidable manual S 246 13.0758 129 0.11 75
IV.SMA1.EHZ. 2021-06-06T19:40:30.62 0.6 undecidable manual S 100 12.3765 131 0.24 48
IV.MMO1.EHZ. 2021-06-06T19:40:30.83 0.6 undecidable manual P 22 29.8479 50 0.01 49
IV.RM33.EHZ. 2021-06-06T19:40:30.96 0.3 undecidable manual S 172 15.873 124 -0.39 70
IV.MTRA.EHZ. 2021-06-06T19:40:29.31 0.1 positive manual P 55 20.7681 117 -0.09 99
IV.T1299.HNZ. 2021-06-06T19:40:29.51 0.6 undecidable manual S 103 7.9809 143 0.17 50
IV.NRCA.HHZ. 2021-06-06T19:40:29.45 0.1 positive manual P 344 21.1677 117 -0.02 100
IV.GAVE.EHZ. 2021-06-06T19:40:29.91 0.3 undecidable manual P 281 24.2535 50 -0.05 74
IV.RM33.EHZ. 2021-06-06T19:40:28.44 0.6 positive manual P 172 15.873 124 -0.12 49
IV.LNSS.HHZ. 2021-06-06T19:40:28.24 0.6 undecidable manual P 246 13.0758 129 0.14 49
IV.SMA1.EHZ. 2021-06-06T19:40:28.24 0.3 positive manual P 100 12.3765 131 0.25 73
IV.T1299.HNZ. 2021-06-06T19:40:27.66 0.3 undecidable manual P 103 7.9809 143 0.26 73
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.3 0.000228 1.8 AML other m 2021-06-06T19:40:30.00
IV.SMA1.EHE. ML:1.4 0.00028700000000000004 0.3 AML other m 2021-06-06T19:40:30.75
IV.RM33.EHN. ML:1.1 0.0001095 0.42 AML other m 2021-06-06T19:40:31.22
IV.RM33.EHE. ML:1.0 0.00010195 0.18 AML other m 2021-06-06T19:40:31.74
IV.MTRA.EHN. ML:1.0 0.0000626 0.12 AML other m 2021-06-06T19:40:32.70
IV.NRCA.HHE. ML:1.3 0.00014950000000000003 1.88 AML other m 2021-06-06T19:40:32.95
IV.MTRA.EHE. ML:0.9 0.000055849999999999996 0.82 AML other m 2021-06-06T19:40:33.20
IV.GAVE.EHN. ML:1.2 0.00009065 0.22 AML other m 2021-06-06T19:40:33.80
IV.NRCA.HHN. ML:1.0 0.00006839999999999998 0.08 AML other m 2021-06-06T19:40:33.87
IV.GAVE.EHE. ML:1.3 0.0001255 0.88 AML other m 2021-06-06T19:40:34.78
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