Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 15-04-2024 and time 17:26:53 (Italy) in region 2 km N Rocca Santa Maria (TE)

A magnitude ML 1.2 earthquake occured in region: 2 km N Rocca Santa Maria (TE), on

  • 15-04-2024 15:26:53 (UTC)
  • 15-04-2024 17:26:53 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7030, 13.5240 at 23 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
Rocca Santa Maria TE 2 537 537
Valle Castellana TE 4 977 1514
Cortino TE 9 656 2170
Torricella Sicura TE 12 2641 4811
Acquasanta Terme AP 12 2916 7727
Campli TE 14 7209 14936
Civitella del Tronto TE 14 5116 20052
Teramo TE 16 54892 74944
Montorio al Vomano TE 16 8218 83162
Folignano AP 16 9241 92403
Fano Adriano TE 17 296 92699
Ascoli Piceno AP 17 49407 142106
Crognaleto TE 18 1297 143403
Roccafluvione AP 18 2010 145413
Maltignano AP 20 2401 147814
Venarotta AP 20 2066 149880

Municipalities with at least 50000 inhabitants

An earthquake occurred to
16 Km W of Teramo (54892 inhabitants)
40 Km N of L'Aquila (69753 inhabitants)
55 Km W of Montesilvano (53738 inhabitants)
62 Km W of Pescara (121014 inhabitants)
66 Km NW of Chieti (51815 inhabitants)
73 Km E of Foligno (57155 inhabitants)
73 Km E of Terni (111501 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 1.2 2024-04-15
15:26:53		 42.7033 13.5238 23 2024-04-15
15:35:12		 Sala Sismica INGV-Roma 126760591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-15 15:26:53 ± 0.3
Latitude 42.7033 ± 0.0081
Longitude 13.5238 ± 0.0208
Depth (km) 23 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126760591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1575
Semi-minor axis of confidence ellipse (meter) 885
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 1580.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 180
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.32735
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 5
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations 3
Type of magnitude ML
Reference to an origin 126760591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-15 15:35:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PLAC.HHZ. 2024-04-15T15:28:52.26 3.0 undecidable manual Sn -4.2 0
RF.GEPF.HHZ. 2024-04-15T15:28:37.14 3.0 undecidable manual Sg 7.79 0
IV.CTI.HHZ. 2024-04-15T15:28:29.52 3.0 undecidable manual Sn -0.3 0
IV.MGR.HHZ. 2024-04-15T15:28:08.47 3.0 undecidable manual Sn -3.78 0
CH.MUGIO.HHZ. 2024-04-15T15:28:02.41 3.0 undecidable manual Pn 2.2 0
CH.BERNI.HHZ. 2024-04-15T15:27:56.78 3.0 negative manual Pn -2.47 0
RF.GEPF.HHZ. 2024-04-15T15:27:54.81 3.0 negative manual Pg 7.71 0
IV.MGR.HHZ. 2024-04-15T15:27:46.40 3.0 undecidable manual Pg 8.91 0
IV.GIUL.HHZ. 2024-04-15T15:27:28.66 3.0 undecidable manual Sn 1.09 0
IV.PABO.HHZ. 2024-04-15T15:27:27.13 3.0 undecidable manual Sn -0.35 0
IV.PTMR.HHZ. 2024-04-15T15:27:24.77 3.0 undecidable manual Pn 1.18 0
IV.MCRV.HHZ. 2024-04-15T15:27:24.98 3.0 undecidable manual Pn -2.87 0
IV.SFI.EHZ. 2024-04-15T15:27:24.97 3.0 undecidable manual Pg 3.69 0
IV.RIBO.EHZ.01 2024-04-15T15:27:21.51 3.0 undecidable manual Pn -1.05 0
IV.ARRO.EHZ. 2024-04-15T15:27:13.55 3.0 undecidable manual S -0.7 0
IV.MURB.HHZ. 2024-04-15T15:27:11.86 3.0 undecidable manual P 1.52 0
IV.MMO1.EHZ. 2024-04-15T15:27:04.04 0.3 undecidable manual S 324 27.0507 123 -0.09 74
IV.GIGS.HHZ. 2024-04-15T15:27:04.14 0.3 undecidable manual S 172 28.0497 122 -0.22 73
IV.TERO.HHZ. 2024-04-15T15:27:01.11 0.3 undecidable manual S 144 11.0778 151 -0.05 77
IV.RM33.EHZ. 2024-04-15T15:27:00.65 0.1 undecidable manual P 230 33.2445 117 0.2 96
IV.NRCA.HHZ. 2024-04-15T15:27:00.80 0.1 undecidable manual P 294 36.3414 114 -0.08 97
IV.MMO1.EHZ. 2024-04-15T15:26:59.60 0.1 undecidable manual P 324 27.0507 123 -0.02 100
IV.GIGS.HHZ. 2024-04-15T15:26:59.64 0.1 undecidable manual P 172 28.0497 122 -0.11 99
IV.TERO.HHZ. 2024-04-15T15:26:58.19 0.1 undecidable manual P 144 11.0778 151 0.28 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.3 0.000131 0.4 AML other m 2024-04-15T15:27:01.39
IV.TERO.HHE. ML:1.3 0.00013350000000000002 0.26 AML other m 2024-04-15T15:27:01.37
IV.SMA1.EHE. ML:1.1 0.00006560000000000001 0.54 AML other m 2024-04-15T15:27:02.82
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