Earthquake with magnitude of ML 0.3 on date 29-07-2023 and time 17:03:06 (Italy) in region 4 km SE Campotosto (AQ)

A magnitude ML 0.3 earthquake occured in region: 4 km SE Campotosto (AQ), on

  • 29-07-2023 15:03:06 (UTC)
  • 29-07-2023 17:03:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5320, 13.4010 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
Campotosto AQ 4 542 542
Crognaleto TE 7 1297 1839
Capitignano AQ 8 665 2504
Fano Adriano TE 12 296 2800
Pietracamela TE 13 271 3071
Montereale AQ 13 2581 5652
Barete AQ 13 737 6389
Cortino TE 13 656 7045
Pizzoli AQ 14 4326 11371
Amatrice RI 14 2657 14028
Cagnano Amiterno AQ 16 1369 15397
Montorio al Vomano TE 20 8218 23615
L'Aquila AQ 20 69753 93368

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km N of L'Aquila (69753 inhabitants)
29 Km SW of Teramo (54892 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
62 Km E of Terni (111501 inhabitants)
66 Km W of Chieti (51815 inhabitants)
67 Km W of Pescara (121014 inhabitants)
74 Km SE of Foligno (57155 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
81 Km NE of Guidonia Montecelio (88673 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 0.3 2023-07-29
15:03:06
42.5315 13.4007 13 2023-07-29
15:40:51
Sala Sismica INGV-Roma 119684191
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-07-29 15:03:06 ± 0.1
Latitude 42.5315 ± 0.0027
Longitude 13.4007 ± 0.0024
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 119684191

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 286
Semi-minor axis of confidence ellipse (meter) 197
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 182
Circular confidence region, given by single value of horizontal uncertainty (meter) 290.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 158
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.05
Epicentral distance of station closest to the epicenter (degree) 0.13850
Epicentral distance of station farthest from the epicenter (degree) 0.17537
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitude information

ML:0.3

Field Value
Value 0.3
Uncertainty 0.2
Num. used stations 4
Type of magnitude ML
Reference to an origin 119684191
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-07-29 15:40:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.TERO.HHZ. 2023-07-29T15:03:14.09 0.6 undecidable manual S 59 19.4694 103 0.04 49
IV.GIGS.HHZ. 2023-07-29T15:03:13.28 0.6 undecidable manual S 122 16.5723 109 -0.02 50
IV.RM33.EHZ. 2023-07-29T15:03:12.99 0.6 undecidable manual S 261 15.3735 112 -0.03 50
IV.TERO.HHZ. 2023-07-29T15:03:10.75 0.1 undecidable manual P 59 19.4694 103 -0.04 99
IV.RM33.EHZ. 2023-07-29T15:03:10.22 0.1 undecidable manual P 261 15.3735 112 0.02 100
IV.GIGS.HHZ. 2023-07-29T15:03:10.42 1.0 undecidable manual P 122 16.5723 109 0.06 25
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHN. ML:0.5 0.000023800000000000003 0.86 AML other m 2023-07-29T15:03:13.52
IV.RM33.EHE. ML:0.6 0.000028250000000000002 0.26 AML other m 2023-07-29T15:03:13.26
IV.GIGS.HHE. ML:0.1 0.0000076 0.1 AML other m 2023-07-29T15:03:13.30
IV.GIGS.HHN. ML:0.1 0.000012125 0.1 AML other m 2023-07-29T15:03:13.41
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