Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 16-04-2024 and time 21:00:52 (UTC) in region 2 km NW Rocca Santa Maria (TE)

A magnitude ML 0.9 earthquake occured in region: 2 km NW Rocca Santa Maria (TE), on

  • 16-04-2024 21:00:52 (UTC)
  • 16-04-2024 23:00:52 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7010, 13.5190 at 21 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
Acquasanta Terme AP 12 2916 5086
Torricella Sicura TE 12 2641 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
Crognaleto TE 17 1297 93996
Ascoli Piceno AP 18 49407 143403
Roccafluvione AP 18 2010 145413
Arquata del Tronto AP 20 1178 146591
Pietracamela TE 20 271 146862
Campotosto AQ 20 542 147404

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)
56 Km W of Montesilvano (53738 inhabitants)
63 Km W of Pescara (121014 inhabitants)
66 Km NW of Chieti (51815 inhabitants)
72 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 0.9 2024-04-16
21:00:52		 42.7012 13.5192 21 2024-04-16
21:07:14		 Sala Sismica INGV-Roma 126813011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-04-16 21:00:52 ± 0.16
Latitude 42.7012 ± 0.0099
Longitude 13.5192 ± 0.0122
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 126813011

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1354
Semi-minor axis of confidence ellipse (meter) 495
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 220
Circular confidence region, given by single value of horizontal uncertainty (meter) 1350.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 177
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 15
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.46045
Number of stations at which the event was observed 9
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 6
Type of magnitude ML
Reference to an origin 126813011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-04-16 21:07:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.INTR.HHZ. 2024-04-16T21:01:18.53 3.0 undecidable manual S 0.02 0
IV.FDMO.HHZ. 2024-04-16T21:01:09.42 0.3 undecidable manual S 317 51.1155 104 0.25 69
IV.NRCA.HHZ. 2024-04-16T21:01:05.01 0.6 undecidable manual S 294 36.1416 111 -0.33 46
IV.MMO1.EHZ. 2024-04-16T21:01:03.09 0.3 undecidable manual S 325 26.9508 120 -0.05 76
7F.SIB3.EHE. 2024-04-16T21:01:03.30 0.1 undecidable manual S 314 27.9498 118 -0.08 100
7F.SIB1.HNE. 2024-04-16T21:01:03.98 0.3 undecidable manual S 317 29.5482 117 0.24 72
IV.FDMO.HHZ. 2024-04-16T21:01:02.08 1.0 undecidable manual P 317 51.1155 104 -0.15 24
IV.NRCA.HHZ. 2024-04-16T21:01:00.01 1.0 undecidable manual P 294 36.1416 111 -0.01 25
IV.SMA1.EHZ. 2024-04-16T21:01:00.95 0.6 undecidable manual S 242 16.9719 135 -0.04 51
IV.TERO.HHZ. 2024-04-16T21:00:59.96 0.3 undecidable manual S 142 11.0778 148 -0.05 78
7F.SIB1.HNE. 2024-04-16T21:00:59.26 0.6 undecidable manual P 317 29.5482 117 0.17 49
7F.SIB2.EHE. 2024-04-16T21:00:58.70 0.1 undecidable manual P 320 27.4503 119 -0.1 99
IV.MMO1.EHZ. 2024-04-16T21:00:58.67 0.6 undecidable manual P 325 26.9508 120 -0.07 50
7F.SIB3.EHE. 2024-04-16T21:00:58.80 0.1 undecidable manual P 314 27.9498 118 -0.08 100
IV.TERO.HHZ. 2024-04-16T21:00:57.05 0.6 undecidable manual P 142 11.0778 148 0.11 51
IV.SMA1.EHZ. 2024-04-16T21:00:57.69 0.6 negative manual P 242 16.9719 135 0.18 50
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHE. ML:1.1 0.000092706075 0.16 AML other m 2024-04-16T21:01:00.79
IV.TERO.HHN. ML:1.0 0.00007477168000000001 0.24 AML other m 2024-04-16T21:01:00.60
IV.SMA1.EHE. ML:0.8 0.000035334595000000005 0.32 AML other m 2024-04-16T21:01:02.41
IV.SMA1.EHN. ML:1.0 0.00005336709 0.34 AML other m 2024-04-16T21:01:01.85
IV.NRCA.HHE. ML:1.0 0.000029986269499999998 0.16 AML other m 2024-04-16T21:01:06.15
IV.NRCA.HHN. ML:0.6 0.000014587419999999998 0.16 AML other m 2024-04-16T21:01:06.26
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