Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 17-01-2024 and time 21:38:17 (Italy) in region 5 km W Rocca Santa Maria (TE)

A magnitude ML 1.6 earthquake occured in region: 5 km W Rocca Santa Maria (TE), on

  • 17-01-2024 20:38:17 (UTC)
  • 17-01-2024 21:38:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6850, 13.4690 at 18 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 5 537 537
Valle Castellana TE 6 977 1514
Cortino TE 8 656 2170
Acquasanta Terme AP 11 2916 5086
Crognaleto TE 15 1297 6383
Torricella Sicura TE 16 2641 9024
Fano Adriano TE 16 296 9320
Amatrice RI 16 2657 11977
Campotosto AQ 16 542 12519
Arquata del Tronto AP 17 1178 13697
Montorio al Vomano TE 17 8218 21915
Accumoli RI 18 667 22582
Campli TE 18 7209 29791
Civitella del Tronto TE 19 5116 34907
Pietracamela TE 19 271 35178
Teramo TE 20 54892 90070
Roccafluvione AP 20 2010 92080

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Teramo (54892 inhabitants)
38 Km N of L'Aquila (69753 inhabitants)
59 Km W of Montesilvano (53738 inhabitants)
66 Km W of Pescara (121014 inhabitants)
68 Km NW of Chieti (51815 inhabitants)
69 Km E of Terni (111501 inhabitants)
69 Km E of Foligno (57155 inhabitants)
97 Km NE of Tivoli (56533 inhabitants)
98 Km NE of Guidonia Montecelio (88673 inhabitants)
100 Km E of Perugia (166134 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 1.6 2024-01-17
20:38:17		 42.6852 13.4693 19 2024-01-17
20:46:08		 Sala Sismica INGV-Roma 124701841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-17 20:38:17 ± 0.09
Latitude 42.6852 ± 0.0036
Longitude 13.4693 ± 0.0073
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 124701841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 640
Semi-minor axis of confidence ellipse (meter) 149
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 246
Circular confidence region, given by single value of horizontal uncertainty (meter) 640.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 123
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 25
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52251
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 14
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 124701841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-17 20:46:08
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LRP.EHZ. 2024-01-17T20:38:55.62 3.0 undecidable manual Sg 1.27 0
IV.MURB.HHZ. 2024-01-17T20:38:47.08 3.0 undecidable manual Sn -1.56 0
IV.ATFO.HHZ. 2024-01-17T20:38:43.57 3.0 undecidable manual Sn -5.99 0
IV.CSP1.EHZ. 2024-01-17T20:38:34.23 0.6 undecidable manual S 335 50.0166 101 0.37 44
IV.FDMO.HHZ. 2024-01-17T20:38:33.97 0.6 undecidable manual S 322 49.8168 101 0.15 46
IV.MF5.EHE. 2024-01-17T20:38:30.08 0.6 undecidable manual S 359 33.5442 109 0.46 44
IV.NRCA.HHZ. 2024-01-17T20:38:29.40 0.6 undecidable manual S 300 33.2445 109 -0.14 47
IV.CESI.HHZ. 2024-01-17T20:38:28.28 0.1 undecidable manual P 308 57.9975 99 -0.04 92
IV.T0110.HHN. 2024-01-17T20:38:28.21 0.3 undecidable manual P 153 56.499 100 0.13 67
IV.RM33.EHZ. 2024-01-17T20:38:28.53 0.3 undecidable manual S 227 28.5492 113 0.17 70
IV.MMO1.EHZ. 2024-01-17T20:38:27.70 0.6 undecidable manual S 334 26.4513 115 -0.14 47
IV.GIGS.HHZ. 2024-01-17T20:38:27.62 0.6 undecidable manual S 162 27.0507 114 -0.39 45
IV.FDMO.HHZ. 2024-01-17T20:38:26.89 0.1 undecidable manual P 322 49.8168 101 -0.19 90
IV.CSP1.EHZ. 2024-01-17T20:38:26.96 0.1 undecidable manual P 335 50.0166 101 -0.14 91
IV.SMA1.EHZ. 2024-01-17T20:38:25.09 0.6 undecidable manual S 241 12.4764 140 0.23 48
IV.CAMP.HHE. 2024-01-17T20:38:25.90 0.6 undecidable manual S 197 17.2716 129 0.13 48
IV.TERO.HNZ. 2024-01-17T20:38:24.80 0.6 undecidable manual S 122 12.9759 139 -0.14 48
IV.RM33.EHZ. 2024-01-17T20:38:24.07 0.1 undecidable manual P 227 28.5492 113 0.14 94
IV.NRCA.HHZ. 2024-01-17T20:38:24.49 0.1 undecidable manual P 300 33.2445 109 -0.12 95
IV.MF5.EHE. 2024-01-17T20:38:24.86 0.1 undecidable manual P 359 33.5442 109 0.21 93
IV.MTRA.EHZ. 2024-01-17T20:38:24.11 0.3 undecidable manual S 323 9.879 147 -0.34 70
IV.LNSS.HHZ. 2024-01-17T20:38:24.40 0.3 undecidable manual P 256 36.1416 107 -0.64 62
IV.MMO1.EHZ. 2024-01-17T20:38:23.59 0.1 undecidable manual P 334 26.4513 115 -0.04 97
IV.GIGS.HHZ. 2024-01-17T20:38:23.64 0.1 undecidable manual P 162 27.0507 114 -0.08 97
IV.TERO.HNZ. 2024-01-17T20:38:22.02 0.1 undecidable manual P 122 12.9759 139 0.07 99
IV.SMA1.EHZ. 2024-01-17T20:38:22.13 0.1 undecidable manual P 241 12.4764 140 0.23 96
IV.CAMP.HHE. 2024-01-17T20:38:22.56 0.1 undecidable manual P 197 17.2716 129 0.13 96
IV.MTRA.EHZ. 2024-01-17T20:38:21.65 0.1 undecidable manual P 323 9.879 147 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHN. ML:1.4 0.000191 0.22 AML other m 2024-01-17T20:38:25.31
IV.SMA1.EHE. ML:1.6 0.0003015 0.22 AML other m 2024-01-17T20:38:25.37
IV.NRCA.HHE. ML:1.8 0.00021349999999999999 1.38 AML other m 2024-01-17T20:38:30.94
IV.NRCA.HHN. ML:1.7 0.00021050000000000002 0.6 AML other m 2024-01-17T20:38:30.48
IV.TERO.HHE. ML:1.7 0.00038689605 0.2944 AML other m 2024-01-17T20:38:25.06
IV.TERO.HNE. ML:1.3 0.00015174425 0.1664 AML other m 2024-01-17T20:38:25.02
IV.TERO.HNN. ML:1.8 0.0004896626 0.064 AML other m 2024-01-17T20:38:25.02
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