Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.1 on date 20-03-2024 and time 03:51:40 (UTC) in region 6 km N Poggio Picenze (AQ)

A magnitude ML 1.1 earthquake occured in region: 6 km N Poggio Picenze (AQ), on

  • 20-03-2024 03:51:40 (UTC)
  • 20-03-2024 04:51:40 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.3790, 13.5280 at 19 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
Poggio Picenze AQ 7 1136 1136
Barisciano AQ 8 1828 2964
Sant'Eusanio Forconese AQ 10 394 3358
Fossa AQ 10 721 4079
San Demetrio ne' Vestini AQ 10 1854 5933
Santo Stefano di Sessanio AQ 11 111 6044
L'Aquila AQ 11 69753 75797
Ocre AQ 11 1167 76964
Villa Sant'Angelo AQ 12 424 77388
Prata d'Ansidonia AQ 13 496 77884
Fagnano Alto AQ 14 418 78302
San Pio delle Camere AQ 15 661 78963
Calascio AQ 15 137 79100
Castelvecchio Calvisio AQ 15 153 79253
Carapelle Calvisio AQ 16 87 79340
Rocca di Cambio AQ 16 533 79873
Pietracamela TE 16 271 80144
Castel del Monte AQ 16 413 80557
Fontecchio AQ 18 369 80926
Isola del Gran Sasso d'Italia TE 18 4773 85699
Caporciano AQ 18 230 85929
Lucoli AQ 18 1011 86940
Rocca di Mezzo AQ 19 1526 88466
Crognaleto TE 19 1297 89763
Fano Adriano TE 19 296 90059
Castelli TE 20 1159 91218
Ofena AQ 20 506 91724

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km E of L'Aquila (69753 inhabitants)
35 Km SW of Teramo (54892 inhabitants)
53 Km W of Chieti (51815 inhabitants)
53 Km W of Montesilvano (53738 inhabitants)
57 Km W of Pescara (121014 inhabitants)
75 Km E of Terni (111501 inhabitants)
76 Km NE of Tivoli (56533 inhabitants)
78 Km NE of Guidonia Montecelio (88673 inhabitants)
93 Km SE of Foligno (57155 inhabitants)
99 Km NE of Velletri (53303 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 1.1 2024-03-20
03:51:40		 42.3788 13.5285 19 2024-03-20
04:00:06		 Sala Sismica INGV-Roma 126002051
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-20 03:51:40 ± 0.11
Latitude 42.3788 ± 0.0036
Longitude 13.5285 ± 0.0061
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126002051

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 540
Semi-minor axis of confidence ellipse (meter) 90
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 57
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) 139
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.08
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.28868
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:1.1

Field Value
Value 1.1
Uncertainty 0.5
Num. used stations 3
Type of magnitude ML
Reference to an origin 126002051
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-20 04:00:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.BARO.EHZ. 2024-03-20T03:52:14.64 3.0 undecidable manual S -0.52 0
IV.GIUL.HHZ. 2024-03-20T03:51:56.66 3.0 positive manual P 0.14 0
IV.SMA1.EHZ. 2024-03-20T03:51:52.25 0.6 undecidable manual S 331 32.0457 111 0.14 94
IV.RM33.EHZ. 2024-03-20T03:51:51.60 0.6 undecidable manual S 299 29.4483 113 0.13 94
IV.TERO.HHZ. 2024-03-20T03:51:51.06 0.6 undecidable manual S 13 27.75 115 0.01 97
IV.T0110.HHZ. 2024-03-20T03:51:50.82 0.6 undecidable manual S 129 26.2515 116 0.14 95
IV.GIGS.HHZ. 2024-03-20T03:51:47.13 0.6 undecidable manual S 24 8.9799 150 -0.12 98
IV.FAGN.HHZ. 2024-03-20T03:51:47.96 0.6 undecidable manual S 160 13.3755 139 0.03 99
IV.SMA1.EHZ. 2024-03-20T03:51:47.16 0.6 negative manual P 331 32.0457 111 -0.13 94
IV.TERO.HHZ. 2024-03-20T03:51:46.68 1.0 undecidable manual P 13 27.75 115 0 48
IV.RM33.EHZ. 2024-03-20T03:51:46.77 1.0 positive manual P 299 29.4483 113 -0.15 47
IV.T0110.HHZ. 2024-03-20T03:51:46.52 1.0 positive manual P 129 26.2515 116 0.05 48
IV.GIGS.HHZ. 2024-03-20T03:51:44.47 0.6 negative manual P 24 8.9799 150 -0.01 100
IV.FAGN.HHZ. 2024-03-20T03:51:44.74 0.6 negative manual P 160 13.3755 139 -0.13 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FAGN.HHN. ML:1.2 0.00011449999999999999 0.46 AML other m 2024-03-20T03:51:49.04
IV.FAGN.HHE. ML:1.2 0.000112 0.64 AML other m 2024-03-20T03:51:49.35
IV.GIGS.HHE. ML:0.1 0.000010912435 0.74 AML other m 2024-03-20T03:51:47.68
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