Earthquake with magnitude of ML 1.5 on date 24-04-2023 and time 16:55:02 (Italy) in region 3 km S Cittareale (RI)

A magnitude ML 1.5 earthquake occured in region: 3 km S Cittareale (RI), on

  • 24-04-2023 14:55:02 (UTC)
  • 24-04-2023 16:55:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5900, 13.1690 at 14 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 3 482 482
Borbona RI 9 617 1099
Posta RI 9 694 1793
Montereale AQ 10 2581 4374
Amatrice RI 11 2657 7031
Capitignano AQ 13 665 7696
Accumoli RI 13 667 8363
Cagnano Amiterno AQ 15 1369 9732
Campotosto AQ 17 542 10274
Leonessa RI 17 2435 12709
Barete AQ 18 737 13446
Micigliano RI 18 127 13573
Monteleone di Spoleto PG 19 599 14172
Cascia PG 19 3217 17389
Pizzoli AQ 20 4326 21715

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
43 Km E of Terni (111501 inhabitants)
45 Km W of Teramo (54892 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
81 Km W of Montesilvano (53738 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
86 Km W of Chieti (51815 inhabitants)
87 Km W of Pescara (121014 inhabitants)
89 Km E of Viterbo (67173 inhabitants)
96 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
Bulletin
Rev1000
ML 1.5 2023-04-24
14:55:02
42.5902 13.1693 14 2024-03-01
17:18:07
Bollettino Sismico Italiano INGV 117182581
Reviewed
Rev100
ML 1.6 2023-04-24
14:55:01
42.5653 13.1525 15 2023-04-24
15:08:57
Sala Sismica INGV-Roma 116709041
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-04-24 14:55:02 ± 0.08
Latitude 42.5902 ± 0.0036
Longitude 13.1693 ± 0.0037
Depth (km) 14 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 117182581

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 377
Semi-minor axis of confidence ellipse (meter) 278
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 4
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) 110
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.45775
Number of stations at which the event was observed 31
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.4
Num. used stations 6
Type of magnitude ML
Reference to an origin 117182581
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2024-01-25 15:54:34

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 116709041
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-04-24 15:08:57
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.STON.BHZ. 2023-04-24T14:56:39.50 3.0 undecidable manual Sn 1.17 0
IV.ACATE.EHZ. 2023-04-24T14:56:31.79 3.0 undecidable manual Pn 1.45 0
IV.SELL.HHZ. 2023-04-24T14:56:25.14 3.0 negative manual Pg 11.51 0
GU.BHB.HHZ. 2023-04-24T14:56:24.81 3.0 undecidable manual Pg 8.94 0
IX.SCL3.EHZ.02 2023-04-24T14:56:22.12 3.0 undecidable manual Sg -0.49 0
GU.ENR.HHZ. 2023-04-24T14:56:22.77 3.0 undecidable manual Pg 11.29 0
IV.MESG.HHZ. 2023-04-24T14:56:16.81 3.0 positive manual Pg 9.55 0
IV.BDI.HHZ. 2023-04-24T14:56:11.24 3.0 undecidable manual Sg -1.12 0
IV.ZCCA.HHZ. 2023-04-24T14:56:06.67 3.0 undecidable manual Sn -4.99 0
IV.VITU.HNZ. 2023-04-24T14:56:02.87 3.0 undecidable manual Sg -0.36 0
GU.GRAM.HHZ. 2023-04-24T14:55:52.73 3.0 negative manual Pg 3.08 0
IV.MRB1.HHZ. 2023-04-24T14:55:40.29 3.0 undecidable manual Pg 0.68 0
IV.IMOL.HNZ. 2023-04-24T14:55:39.15 3.0 undecidable manual Pg 2.27 0
IV.VITU.HHZ. 2023-04-24T14:55:39.89 3.0 undecidable manual Pg 3.05 0
IV.GIUL.HHZ. 2023-04-24T14:55:38.75 3.0 undecidable manual S -6.87 0
IV.SFI.EHZ. 2023-04-24T14:55:24.54 3.0 undecidable manual P -6.7 0
IV.MMO1.EHN. 2023-04-24T14:55:14.53 0.6 undecidable manual S 20 36.6411 97 0.16 47
IV.PIEI.HHZ. 2023-04-24T14:55:14.91 3.0 positive manual P -7.19 0
IV.GIGS.HHZ. 2023-04-24T14:55:14.04 0.3 undecidable manual S 115 36.3414 97 -0.26 70
IV.ARRO.EHZ. 2023-04-24T14:55:13.22 0.6 undecidable manual S 268 33.0447 98 -0.2 46
IV.TERO.HHZ. 2023-04-24T14:55:13.89 0.3 undecidable manual S 84 35.6421 97 -0.23 71
7F.SIB3.EHN. 2023-04-24T14:55:13.26 0.6 undecidable manual S 15 32.6451 98 -0.06 49
IV.NRCA.HHZ. 2023-04-24T14:55:11.62 0.6 undecidable manual S 351 27.3504 101 -0.31 47
IV.CESI.HHZ. 2023-04-24T14:55:11.59 0.3 undecidable manual P 335 50.8158 94 0.22 68
IV.FDMO.HHZ. 2023-04-24T14:55:11.28 0.3 undecidable manual P 352 49.9167 94 0.05 71
IV.MF5.EHZ. 2023-04-24T14:55:11.52 0.3 undecidable manual P 28 50.0166 94 0.27 67
IV.MTRA.EHE. 2023-04-24T14:55:11.21 0.6 undecidable manual S 45 26.1516 102 -0.41 46
IV.GIGS.HHZ. 2023-04-24T14:55:09.29 1.0 undecidable manual P 115 36.3414 97 0.15 24
IV.MMO1.EHN. 2023-04-24T14:55:09.24 0.1 undecidable manual P 20 36.6411 97 0.05 96
IV.CAMP.HHZ. 2023-04-24T14:55:09.96 0.6 undecidable manual S 107 20.4684 108 -0.19 49
IV.TERO.HHZ. 2023-04-24T14:55:09.00 0.1 undecidable manual P 84 35.6421 97 -0.04 97
7F.SIB3.EHN. 2023-04-24T14:55:08.58 0.1 undecidable manual P 15 32.6451 98 0 98
IV.SMA1.EHZ. 2023-04-24T14:55:08.64 0.3 undecidable manual S 72 14.2746 121 0.01 75
IV.ARRO.EHZ. 2023-04-24T14:55:08.77 0.6 undecidable manual P 268 33.0447 98 0.14 48
IV.LNSS.HHZ. 2023-04-24T14:55:07.73 0.3 undecidable manual S 278 10.6782 132 -0.13 74
IV.CAMP.HHZ. 2023-04-24T14:55:07.14 0.3 undecidable manual P 107 20.4684 108 0.39 69
IV.MTRA.EHE. 2023-04-24T14:55:07.49 0.1 undecidable manual P 45 26.1516 102 -0.11 98
IV.GAVE.EHN. 2023-04-24T14:55:07.19 0.1 undecidable manual P 297 25.1526 102 -0.25 93
IV.RM33.HNE. 2023-04-24T14:55:07.46 0.6 undecidable manual S 158 9.7791 136 -0.22 49
IV.NRCA.HHZ. 2023-04-24T14:55:07.72 0.1 undecidable manual P 351 27.3504 101 -0.06 98
IV.SMA1.EHZ. 2023-04-24T14:55:06.19 0.1 positive manual P 72 14.2746 121 0.32 94
IV.RM33.HNE. 2023-04-24T14:55:05.44 0.1 undecidable manual P 158 9.7791 136 0.12 100
IV.LNSS.HHZ. 2023-04-24T14:55:05.62 0.1 negative manual P 278 10.6782 132 0.2 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHE. ML:2.2 0.00141 0.14 AML other m 2023-04-24T14:55:08.00
IV.LNSS.HHN. ML:1.9 0.0007700000000000001 0.16 AML other m 2023-04-24T14:55:08.54
IV.SMA1.EHN. ML:1.4 0.000235 1.54 AML other m 2023-04-24T14:55:08.97
IV.SMA1.EHE. ML:1.6 0.000311 1.48 AML other m 2023-04-24T14:55:09.09
IV.TERO.HHN. ML:1.2 0.00005405 1.22 AML other m 2023-04-24T14:55:14.69
IV.TERO.HHE. ML:1.2 0.0000582 1.32 AML other m 2023-04-24T14:55:24.88
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