Earthquake with magnitude of ML 0.8 on date 21-04-2022 and time 08:07:45 (UTC) in region 5 km NE Cittareale (RI)

A magnitude ML 0.8 earthquake occured in region: 5 km NE Cittareale (RI), on

  • 21-04-2022 08:07:45 (UTC)
  • 21-04-2022 10:07:45 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6590, 13.1830 at 13 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 5 482 482
Accumoli RI 7 667 1149
Amatrice RI 9 2657 3806
Cascia PG 15 3217 7023
Montereale AQ 16 2581 9604
Arquata del Tronto AP 16 1178 10782
Posta RI 17 694 11476
Norcia PG 17 4957 16433
Borbona RI 17 617 17050
Capitignano AQ 18 665 17715
Monteleone di Spoleto PG 19 599 18314
Campotosto AQ 19 542 18856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of L'Aquila (69753 inhabitants)
43 Km W of Teramo (54892 inhabitants)
45 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)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
87 Km W of Pescara (121014 inhabitants)
88 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 0.8 2022-04-21
08:07:45
42.6593 13.1827 13 2022-04-21
08:18:11
Sala Sismica INGV-Roma 103555441
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-04-21 08:07:45 ± 0.1
Latitude 42.6593 ± 0.0063
Longitude 13.1827 ± 0.0061
Depth (km) 13 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 103555441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 614
Semi-minor axis of confidence ellipse (meter) 427
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 211
Circular confidence region, given by single value of horizontal uncertainty (meter) 610.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 71
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.11601
Epicentral distance of station farthest from the epicenter (degree) 0.31206
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.4
Num. used stations 22
Type of magnitude ML
Reference to an origin 103555441
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-04-21 08:18:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2022-04-21T08:07:56.68 0.1 undecidable manual S 97 34.6431 96 -0.3 92
IV.GAVE.EHZ. 2022-04-21T08:07:54.08 0.3 undecidable manual S 279 23.754 101 -0.04 74
7F.SIB3.EHN. 2022-04-21T08:07:54.48 0.6 undecidable manual S 17 24.9528 100 0.06 49
IV.MTRA.EHZ. 2022-04-21T08:07:53.05 0.1 undecidable manual S 58 20.4684 105 -0.21 96
IV.NRCA.HHZ. 2022-04-21T08:07:52.84 0.1 undecidable manual S 344 20.0688 106 -0.32 93
IV.RM33.EHZ. 2022-04-21T08:07:52.12 0.3 undecidable manual S 171 16.872 112 -0.23 72
IV.TERO.HHZ. 2022-04-21T08:07:51.94 0.1 undecidable manual P 97 34.6431 96 -0.08 96
IV.LNSS.HHZ. 2022-04-21T08:07:51.38 0.3 undecidable manual S 242 13.1757 122 -0.09 75
IV.SMA1.EHZ. 2022-04-21T08:07:51.46 0.3 undecidable manual S 104 12.876 123 0.07 75
7F.SIB3.EHN. 2022-04-21T08:07:50.92 0.1 undecidable manual P 17 24.9528 100 0.38 92
IV.GAVE.EHZ. 2022-04-21T08:07:50.48 0.1 undecidable manual P 279 23.754 101 0.11 98
IV.SMA1.EHZ. 2022-04-21T08:07:49.08 0.1 undecidable manual P 104 12.876 123 0.29 95
IV.RM33.EHZ. 2022-04-21T08:07:49.43 0.1 undecidable manual P 171 16.872 112 0.08 99
IV.NRCA.HHZ. 2022-04-21T08:07:49.82 0.1 negative manual P 344 20.0688 106 0.01 100
IV.MTRA.EHZ. 2022-04-21T08:07:49.94 0.1 undecidable manual P 58 20.4684 105 0.06 99
IV.LNSS.HHZ. 2022-04-21T08:07:48.95 0.1 positive manual P 242 13.1757 122 0.11 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:0.5 0.000031405469 0.1792 AML other m 2022-04-21T08:07:52.62
IV.LNSS.HHN. ML:0.4 0.000022915525000000003 0.3392 AML other m 2022-04-21T08:07:51.64
IV.LNSS.HNE. ML:1.4 0.0002564806 0.48 AML other m 2022-04-21T08:07:51.91
IV.LNSS.HNN. ML:0.8 0.000066321625 0.5888 AML other m 2022-04-21T08:07:51.64
IV.SMA1.EHE. ML:1.0 0.00008530777 0.3008 AML other m 2022-04-21T08:07:51.97
IV.SMA1.EHN. ML:0.6 0.000039197455 0.1216 AML other m 2022-04-21T08:07:51.90
IV.RM33.HNE. ML:1.1 0.000104637933 0.4032 AML other m 2022-04-21T08:07:52.26
IV.RM33.HNN. ML:0.8 0.000044861855 0.4032 AML other m 2022-04-21T08:07:52.52
IV.RM33.EHE. ML:0.1 0.000011374410000000001 0.096 AML other m 2022-04-21T08:07:52.44
IV.RM33.EHN. ML:0.3 0.000014773688499999999 0.2176 AML other m 2022-04-21T08:07:52.22
IV.NRCA.HNE. ML:1.0 0.00007223259 0.5184 AML other m 2022-04-21T08:07:53.01
IV.NRCA.HNN. ML:1.4 0.00015478935 1.1904 AML other m 2022-04-21T08:07:53.54
IV.NRCA.HHE. ML:0.8 0.0000389124435 0.1408 AML other m 2022-04-21T08:07:53.42
IV.NRCA.HHN. ML:0.6 0.000031484615 0.1152 AML other m 2022-04-21T08:07:52.88
IV.GAVE.HNE. ML:1.3 0.00011932314999999999 0.8384 AML other m 2022-04-21T08:07:53.84
IV.GAVE.HNN. ML:1.5 0.00019079805 0.6976 AML other m 2022-04-21T08:07:54.18
IV.GAVE.EHE. ML:0.4 0.000016844129499999998 0.0832 AML other m 2022-04-21T08:07:54.77
IV.GAVE.EHN. ML:0.6 0.000025834555000000002 0.2624 AML other m 2022-04-21T08:07:54.19
IV.TERO.HHE. ML:0.9 0.000027646155 0.4224 AML other m 2022-04-21T08:07:58.87
IV.TERO.HHN. ML:0.4 0.0000108836175 0.32 AML other m 2022-04-21T08:07:56.89
IV.TERO.HNE. ML:1.1 0.000043463512 0.672 AML other m 2022-04-21T08:07:56.84
IV.TERO.HNN. ML:1.4 0.000093415315 0.4992 AML other m 2022-04-21T08:07:56.70
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