Earthquake with magnitude of ML 0.9 on date 17-03-2023 and time 23:05:32 (UTC) in region 5 km E Cittareale (RI)

A magnitude ML 0.9 earthquake occured in region: 5 km E Cittareale (RI), on

  • 17-03-2023 23:05:32 (UTC)
  • 18-03-2023 00:05:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6160, 13.2170 at 10 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
Amatrice RI 6 2657 3139
Accumoli RI 9 667 3806
Montereale AQ 10 2581 6387
Capitignano AQ 13 665 7052
Borbona RI 13 617 7669
Campotosto AQ 14 542 8211
Posta RI 14 694 8905
Cagnano Amiterno AQ 17 1369 10274
Arquata del Tronto AP 19 1178 11452
Barete AQ 19 737 12189

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
40 Km W of Teramo (54892 inhabitants)
47 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
77 Km W of Montesilvano (53738 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
83 Km W of Chieti (51815 inhabitants)
83 Km W of Pescara (121014 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
94 Km E of Viterbo (67173 inhabitants)
100 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 0.9 2023-03-17
23:05:32
42.616 13.2172 10 2023-03-17
23:25:04
Sala Sismica INGV-Roma 115483501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-03-17 23:05:32 ± 0.08
Latitude 42.6160 ± 0.0036
Longitude 13.2172 ± 0.0073
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 115483501

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 536
Semi-minor axis of confidence ellipse (meter) 313
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 540.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.12
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29408
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 4
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 115483501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-03-17 23:25:04
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SBPO.HNZ. 2023-03-17T23:07:02.43 3.0 undecidable manual Sg 10.59 0
IV.MSRU.HHZ. 2023-03-17T23:06:40.40 3.0 undecidable manual Pg 9 0
IV.MMGO.HHZ. 2023-03-17T23:06:36.73 3.0 positive manual Pn 0.27 0
IX.SCL3.EHZ.02 2023-03-17T23:06:01.80 3.0 undecidable manual Pn 0 0
IV.ARVD.HHZ. 2023-03-17T23:06:01.13 3.0 undecidable manual Sn 0.01 0
IV.VAGA.HHZ. 2023-03-17T23:05:43.82 3.0 undecidable manual P -2.61 0
IV.MMO1.EHZ. 2023-03-17T23:05:43.82 0.6 undecidable manual S 16 32.6451 50 -0.02 49
IV.NRCA.HHZ. 2023-03-17T23:05:41.79 0.6 undecidable manual S 341 25.5522 110 0 50
IV.MMO1.EHZ. 2023-03-17T23:05:38.81 1.0 positive manual P 16 32.6451 50 -0.16 24
IV.NRCA.HHZ. 2023-03-17T23:05:37.77 0.1 positive manual P 341 25.5522 110 -0.01 99
IV.RM33.EHZ. 2023-03-17T23:05:37.43 0.6 undecidable manual S 181 11.877 129 -0.17 49
IV.SMA1.EHZ. 2023-03-17T23:05:36.90 0.6 undecidable manual S 80 9.7791 134 -0.16 49
IV.SMA1.EHZ. 2023-03-17T23:05:35.21 0.1 negative manual P 80 9.7791 134 0.16 99
IV.RM33.EHZ. 2023-03-17T23:05:35.45 0.1 positive manual P 181 11.877 129 0.08 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.0 0.000133 1.56 AML other m 2023-03-17T23:05:37.21
IV.SMA1.EHE. ML:1.1 0.0001835 0.5 AML other m 2023-03-17T23:05:37.31
IV.RM33.EHN. ML:0.6 0.00004585 0.7 AML other m 2023-03-17T23:05:37.84
IV.RM33.EHE. ML:0.8 0.00006319999999999999 0.32 AML other m 2023-03-17T23:05:37.57
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