Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 16-05-2024 and time 22:20:01 (Italy) in region 1 km NE Cittareale (RI)

A magnitude ML 1.3 earthquake occured in region: 1 km NE Cittareale (RI), on

  • 16-05-2024 20:20:01 (UTC)
  • 16-05-2024 22:20:01 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6250, 13.1670 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.

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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 1 482 482
Amatrice RI 10 2657 3139
Accumoli RI 10 667 3806
Posta RI 13 694 4500
Borbona RI 13 617 5117
Montereale AQ 13 2581 7698
Capitignano AQ 16 665 8363
Cascia PG 16 3217 11580
Monteleone di Spoleto PG 18 599 12179
Leonessa RI 18 2435 14614
Campotosto AQ 18 542 15156
Cagnano Amiterno AQ 19 1369 16525
Norcia PG 20 4957 21482
Arquata del Tronto AP 20 1178 22660

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of L'Aquila (69753 inhabitants)
43 Km E of Terni (111501 inhabitants)
44 Km W of Teramo (54892 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
83 Km SE of Perugia (166134 inhabitants)
88 Km W of Chieti (51815 inhabitants)
88 Km W of Pescara (121014 inhabitants)
90 Km E of Viterbo (67173 inhabitants)
99 Km NE of Roma (2864731 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 1.3 2024-05-16
20:20:01		 42.6248 13.1668 13 2024-05-16
20:49:22		 Sala Sismica INGV-Roma 127796421
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-05-16 20:20:01 ± 0.1
Latitude 42.6248 ± 0.0045
Longitude 13.1668 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 127796421

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 380
Semi-minor axis of confidence ellipse (meter) 336
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 29
Circular confidence region, given by single value of horizontal uncertainty (meter) 380.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 13
Number of defining phases 11
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29857
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 6
Magnitude information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 127796421
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-05-16 20:49:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MURB.HNZ. 2024-05-16T20:20:21.15 3.0 undecidable manual Pg 5.46 0
IV.ARVD.HHZ. 2024-05-16T20:20:16.92 3.0 positive manual Pg -0.04 0
IV.GAVE.EHZ. 2024-05-16T20:20:10.05 0.3 undecidable manual S 289 23.4543 100 -0.03 74
IV.NRCA.HHZ. 2024-05-16T20:20:09.89 0.3 undecidable manual S 350 23.5542 100 -0.21 71
IV.RM33.EHZ. 2024-05-16T20:20:07.25 0.3 undecidable manual S 163 13.4754 119 -0.28 71
IV.SMA1.EHZ. 2024-05-16T20:20:07.68 0.1 undecidable manual S 87 13.7751 117 0.07 100
IV.ARRO.EHZ. 2024-05-16T20:20:07.87 0.1 undecidable manual P 261 33.1446 95 0.01 96
IV.GAVE.EHZ. 2024-05-16T20:20:06.43 0.1 undecidable manual P 289 23.4543 100 0.05 97
IV.LNSS.HHZ. 2024-05-16T20:20:06.91 0.3 undecidable manual S 257 10.5783 128 0 75
IV.NRCA.HHZ. 2024-05-16T20:20:06.41 0.1 undecidable manual P 350 23.5542 100 0.02 98
IV.SMA1.EHZ. 2024-05-16T20:20:05.22 0.6 positive manual P 87 13.7751 117 0.27 48
IV.LNSS.HHZ. 2024-05-16T20:20:04.65 0.1 undecidable manual P 257 10.5783 128 0.1 98
IV.RM33.EHZ. 2024-05-16T20:20:04.93 0.1 undecidable manual P 163 13.4754 119 0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.2 0.00016499999999999997 1.64 AML other m 2024-05-16T20:20:06.11
IV.LNSS.HHE. ML:1.4 0.00028849999999999997 1.86 AML other m 2024-05-16T20:20:06.99
IV.NRCA.HHN. ML:1.3 0.0001235 1.88 AML other m 2024-05-16T20:20:10.03
IV.NRCA.HHE. ML:1.5 0.0001975 0.16 AML other m 2024-05-16T20:20:10.03
IV.GAVE.EHN. ML:1.1 0.00007625000000000001 0.26 AML other m 2024-05-16T20:20:10.21
IV.GAVE.EHE. ML:1.1 0.00007355 0.8 AML other m 2024-05-16T20:20:10.22
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