Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.0 on date 31-07-2024 and time 23:06:44 (UTC) in region 3 km SW Barete (AQ)

A magnitude ML 1.0 earthquake occured in region: 3 km SW Barete (AQ), on

  • 31-07-2024 23:06:44 (UTC)
  • 01-08-2024 01:06:44 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4300, 13.2600 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.

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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
Barete AQ 3 737 737
Pizzoli AQ 3 4326 5063
Cagnano Amiterno AQ 4 1369 6432
Scoppito AQ 6 3727 10159
Montereale AQ 11 2581 12740
Capitignano AQ 11 665 13405
Borbona RI 14 617 14022
L'Aquila AQ 14 69753 83775
Antrodoco RI 15 2588 86363
Tornimparte AQ 16 3187 89550
Lucoli AQ 17 1011 90561
Borgo Velino RI 17 972 91533
Micigliano RI 17 127 91660
Posta RI 17 694 92354
Campotosto AQ 17 542 92896
Castel Sant'Angelo RI 19 1308 94204

Municipalities with at least 50000 inhabitants

An earthquake occurred to
14 Km NW of L'Aquila (69753 inhabitants)
45 Km SW of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
64 Km NE of Tivoli (56533 inhabitants)
65 Km NE of Guidonia Montecelio (88673 inhabitants)
74 Km W of Montesilvano (53738 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
75 Km W of Chieti (51815 inhabitants)
78 Km W of Pescara (121014 inhabitants)
87 Km NE of Roma (2864731 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
95 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 1.0 2024-07-31
23:06:44		 42.4295 13.26 11 2024-07-31
23:32:55		 Sala Sismica INGV-Roma 130306451
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-07-31 23:06:44 ± 0.11
Latitude 42.4295 ± 0.0054
Longitude 13.2600 ± 0.0073
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 130306451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 562
Semi-minor axis of confidence ellipse (meter) 531
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 307
Circular confidence region, given by single value of horizontal uncertainty (meter) 560.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 129
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.08633
Epicentral distance of station farthest from the epicenter (degree) 0.71586
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.3
Num. used stations 18
Type of magnitude ML
Reference to an origin 130306451
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-07-31 23:32:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MMO1.EHZ. 2024-07-31T23:07:01.02 0.3 undecidable manual S 6 52.4031 90 0.28 68
IV.CSP1.EHZ. 2024-07-31T23:06:57.16 0.3 undecidable manual P 357 73.5708 90 0.1 68
IV.MML1.EHZ. 2024-07-31T23:06:57.62 0.3 undecidable manual P 343 79.4649 90 -0.34 65
IV.FDMO.HHZ. 2024-07-31T23:06:56.66 0.3 undecidable manual P 348 68.7756 90 0.34 65
IV.TERO.HHZ. 2024-07-31T23:06:55.88 0.6 undecidable manual S 53 35.3424 90 -0.31 47
IV.CESI.HHZ. 2024-07-31T23:06:55.69 0.3 undecidable manual P 336 70.0743 90 -0.83 56
IV.LNSS.HHZ. 2024-07-31T23:06:53.66 0.6 undecidable manual S 317 26.3514 91 -0.12 50
IV.GIGS.HHE. 2024-07-31T23:06:53.61 0.6 undecidable manual S 84 25.752 91 -0.02 51
IV.MMO1.EHZ. 2024-07-31T23:06:53.81 0.3 positive manual P 6 52.4031 90 0.02 72
IV.FIAM.HHZ. 2024-07-31T23:06:52.27 0.6 undecidable manual S 213 21.3675 91 -0.19 49
IV.SMA1.EHZ. 2024-07-31T23:06:52.94 0.6 undecidable manual S 15 23.1546 91 0.01 51
IV.NRCA.HHZ. 2024-07-31T23:06:52.75 0.3 undecidable manual P 345 46.3203 90 -0.11 72
IV.TERO.HHZ. 2024-07-31T23:06:51.00 0.1 undecidable manual P 53 35.3424 90 -0.17 98
IV.CAMP.HHZ. 2024-07-31T23:06:51.03 0.3 undecidable manual S 46 16.9719 93 -0.25 74
IV.SMA1.EHZ. 2024-07-31T23:06:49.44 0.3 undecidable manual P 15 23.1546 91 0.16 74
IV.RM33.EHZ. 2024-07-31T23:06:49.21 0.3 undecidable manual S 337 9.5793 123 -0.19 76
IV.LNSS.HHZ. 2024-07-31T23:06:49.99 0.3 undecidable manual P 317 26.3514 91 0.22 73
IV.GIGS.HHE. 2024-07-31T23:06:49.73 0.1 undecidable manual P 84 25.752 91 0.04 100
IV.FIAM.HHZ. 2024-07-31T23:06:49.09 0.3 undecidable manual P 213 21.3675 91 0.08 75
IV.CAMP.HHZ. 2024-07-31T23:06:48.49 0.3 undecidable manual P 46 16.9719 93 0.16 74
IV.RM33.EHZ. 2024-07-31T23:06:47.43 0.1 undecidable manual P 337 9.5793 123 0.19 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.1 0.0000771 0.3 AML other m 2024-07-31T23:06:53.46
IV.SMA1.EHE. ML:1.2 0.00010195000000000001 0.54 AML other m 2024-07-31T23:06:54.74
IV.GAVE.EHE. ML:1.7 0.000149 1.22 AML other m 2024-07-31T23:06:56.19
IV.TERO.HHN. ML:0.6 0.0000151 0.38 AML other m 2024-07-31T23:06:56.47
IV.TERO.HHE. ML:0.6 0.0000174 0.08 AML other m 2024-07-31T23:06:56.36
IV.GAVE.EHN. ML:1.8 0.00021250000000000002 0.2 AML other m 2024-07-31T23:06:56.68
IV.NRCA.HHE. ML:1.4 0.00008225 0.12 AML other m 2024-07-31T23:06:57.91
IV.NRCA.HHN. ML:1.2 0.0000501 1.62 AML other m 2024-07-31T23:06:57.96
IV.CESI.HHE. ML:1.2 0.000023800000000000003 1.44 AML other m 2024-07-31T23:07:00.90
IV.LNSS.HHE. ML:1.0 0.000051000000000000006 0.94 AML other m 2024-07-31T23:07:00.28
IV.LNSS.HHN. ML:1.0 0.000049500000000000004 0.16 AML other m 2024-07-31T23:07:00.29
IV.CESI.HHN. ML:1.4 0.000038 0.44 AML other m 2024-07-31T23:07:00.97
IV.ARRO.EHE. ML:0.8 0.0000178 0.84 AML other m 2024-07-31T23:07:01.14
IV.MOMA.HHE. ML:0.8 0.000011350000000000001 0.48 AML other m 2024-07-31T23:07:01.56
IV.ARRO.EHN. ML:0.7 0.000015949999999999998 0.18 AML other m 2024-07-31T23:07:01.67
IV.FDMO.HHN. ML:1.0 0.0000158 0.14 AML other m 2024-07-31T23:07:01.75
IV.MOMA.HHN. ML:0.8 0.000010350000000000001 0.68 AML other m 2024-07-31T23:07:01.62
IV.FDMO.HHE. ML:1.0 0.000016649999999999998 0.7 AML other m 2024-07-31T23:07:02.89
IV.ASSB.HHN. ML:1.1 0.000017 1.32 AML other m 2024-07-31T23:07:02.18
IV.ASSB.HHE. ML:1.1 0.0000156 0.7 AML other m 2024-07-31T23:07:03.49
IV.MML1.EHE. ML:1.0 0.0000154 0.58 AML other m 2024-07-31T23:07:03.95
IV.MML1.EHN. ML:0.9 0.000011900000000000001 1.28 AML other m 2024-07-31T23:07:05.95
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