Earthquake with magnitude of ML 1.8 on date 20-01-2024 and time 09:05:56 (UTC) in region 3 km W Valle Castellana (TE)

A magnitude ML 1.8 earthquake occured in region: 3 km W Valle Castellana (TE), on

  • 20-01-2024 09:05:56 (UTC)
  • 20-01-2024 10:05:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7340, 13.4630 at 16 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
Valle Castellana TE 3 977 977
Acquasanta Terme AP 6 2916 3893
Rocca Santa Maria TE 8 537 4430
Cortino TE 13 656 5086
Arquata del Tronto AP 14 1178 6264
Roccafluvione AP 14 2010 8274
Montegallo AP 16 523 8797
Ascoli Piceno AP 16 49407 58204
Venarotta AP 17 2066 60270
Folignano AP 17 9241 69511
Civitella del Tronto TE 17 5116 74627
Torricella Sicura TE 18 2641 77268
Accumoli RI 18 667 77935
Campli TE 18 7209 85144
Amatrice RI 18 2657 87801
Palmiano AP 19 196 87997

Municipalities with at least 50000 inhabitants

An earthquake occurred to
22 Km W of Teramo (54892 inhabitants)
43 Km N of L'Aquila (69753 inhabitants)
61 Km W of Montesilvano (53738 inhabitants)
67 Km E of Foligno (57155 inhabitants)
68 Km W of Pescara (121014 inhabitants)
69 Km E of Terni (111501 inhabitants)
72 Km NW of Chieti (51815 inhabitants)
97 Km E of Perugia (166134 inhabitants)
98 Km S of Ancona (100861 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 1.8 2024-01-20
09:05:56
42.7343 13.463 16 2024-01-20
09:34:39
Sala Sismica INGV-Roma 124760001
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-20 09:05:56
Latitude 42.7343
Longitude 13.4630
Depth (km) 16 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124760001

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
Semi-major axis of confidence ellipse (meter)
Semi-minor axis of confidence ellipse (meter)
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)
Circular confidence region, given by single value of horizontal uncertainty (meter) 900.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 136
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.05396
Epicentral distance of station farthest from the epicenter (degree) 0.52341
Number of stations at which the event was observed 21
Number of stations from which data was used for origin computation 21
Magnitude information

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 4
Type of magnitude ML
Reference to an origin 124760001
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-20 09:34:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MML1.EHZ. 2024-01-20T09:06:06.37 0.1 undecidable manual P 317 58.0974 -0.11 1.26
IV.GAVE.EHZ. 2024-01-20T09:06:06.90 0.1 undecidable manual P 265 46.7199 2.16 0.05
IV.MF5.EHZ. 2024-01-20T09:06:06.74 0.1 undecidable manual S 0 28.1496 0.24 1.26
IV.NRCA.HHZ. 2024-01-20T09:06:06.95 0.6 undecidable manual S 292 30.5472 -0.17 0.63
IV.CAMP.HHZ. 2024-01-20T09:06:05.15 0.6 undecidable manual S 192 22.4553 0.13 0.63
IV.CESI.HHZ. 2024-01-20T09:06:05.89 0.1 undecidable manual P 304 54.501 -0.04 1.26
IV.CSP1.EHZ. 2024-01-20T09:06:04.42 0.1 undecidable manual P 333 44.9217 -0.04 1.26
IV.FDMO.HHZ. 2024-01-20T09:06:04.25 0.6 undecidable manual P 318 45.4212 -0.29 0.63
IV.MMO1.EHZ. 2024-01-20T09:06:04.49 0.6 undecidable manual S 329 21.4674 -0.27 0.63
IV.OFFI.HHZ. 2024-01-20T09:06:04.71 0.1 undecidable manual P 39 28.749 2.69 0
IV.SMA1.EHZ. 2024-01-20T09:06:03.51 0.6 undecidable manual S 223 15.5733 0.16 0.63
IV.GUMA.HHZ. 2024-01-20T09:06:03.89 0.1 undecidable manual P 345 37.8288 0.5 1.26
IV.LNSS.HHZ. 2024-01-20T09:06:03.31 0.1 undecidable manual P 248 37.5291 -0.03 1.26
IV.NRCA.HHZ. 2024-01-20T09:06:02.16 0.1 undecidable manual P 292 30.5472 -0.12 1.26
IV.RM33.EHZ. 2024-01-20T09:06:02.62 0.1 undecidable manual P 220 32.2455 0.08 1.26
IV.TERO.HHZ. 2024-01-20T09:06:02.92 0.6 undecidable manual S 136 16.872 -0.75 0.63
IV.MC2.EHZ. 2024-01-20T09:06:02.30 0.1 undecidable manual P 312 29.748 0.13 1.26
IV.GIGS.HHZ. 2024-01-20T09:06:02.26 1.0 undecidable manual P 163 32.4453 -0.31 0.31
7F.SIB1.EHZ. 2024-01-20T09:06:01.26 0.1 undecidable manual P 319 23.754 -0.03 1.26
IV.MTRA.EHZ. 2024-01-20T09:06:01.69 0.6 undecidable manual S 295 5.994 0.05 0.63
7F.SIB2.EHZ. 2024-01-20T09:06:01.02 0.1 undecidable manual P 324 21.6672 0.03 1.26
IV.CAMP.HHZ. 2024-01-20T09:06:01.15 0.1 undecidable manual P 192 22.4553 0.05 1.26
IV.MF5.EHZ. 2024-01-20T09:06:01.95 0.1 undecidable manual P 0 28.1496 0.02 1.26
7F.SIB3.EHZ. 2024-01-20T09:06:01.00 0.1 undecidable manual P 315 22.1556 -0.06 1.26
IV.TERO.HHZ. 2024-01-20T09:06:00.27 0.1 undecidable manual P 136 16.872 -0.07 1.26
IV.SMA1.EHZ. 2024-01-20T09:06:00.42 0.1 undecidable manual P 223 15.5733 0.26 1.26
IV.MMO1.EHZ. 2024-01-20T09:05:59.34 0.1 undecidable manual P 329 21.4674 -1.61 0.86
IV.MTRA.EHZ. 2024-01-20T09:05:59.34 0.1 undecidable manual P 295 5.994 0.14 1.26
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.6 0.0004275 0.72 AML other m 2024-01-20T09:06:01.74
IV.MTRA.EHE. ML:1.7 0.0004805 0.2 AML other m 2024-01-20T09:06:01.97
IV.SMA1.EHN. ML:1.8 0.00046399999999999995 0.24 AML other m 2024-01-20T09:06:03.80
IV.SMA1.EHE. ML:1.9 0.0005225 0.44 AML other m 2024-01-20T09:06:04.07
IV.TERO.HHN. ML:0.2 0.0000106 1.28 AML other m 2024-01-20T09:06:07.40
IV.TERO.HHE. ML:1.8 0.0004435 0.54 AML other m 2024-01-20T09:06:03.77
IV.NRCA.HNN. ML:2.3 0.0008634999999999999 0.14 AML other m 2024-01-20T09:06:07.20
IV.NRCA.HNE. ML:2.1 0.000509 0.84 AML other m 2024-01-20T09:06:07.09
IV.NRCA.HHN. ML:2.3 0.0008975 0.14 AML other m 2024-01-20T09:06:07.13
IV.NRCA.HHE. ML:2.1 0.0005250000000000001 0.08 AML other m 2024-01-20T09:06:07.51
IV.CESI.HHN. ML:1.6 0.00009935 1.58 AML other m 2024-01-20T09:06:22.55
IV.CESI.HHE. ML:1.7 0.0001006 1.58 AML other m 2024-01-20T09:06:17.34
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