Earthquake with magnitude of ML 1.6 on date 18-01-2024 and time 03:11:33 (Italy) in region 7 km S Acquasanta Terme (AP)

A magnitude ML 1.6 earthquake occured in region: 7 km S Acquasanta Terme (AP), on

  • 18-01-2024 02:11:33 (UTC)
  • 18-01-2024 03:11:33 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7090, 13.3990 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
Acquasanta Terme AP 7 2916 2916
Valle Castellana TE 9 977 3893
Rocca Santa Maria TE 11 537 4430
Arquata del Tronto AP 11 1178 5608
Accumoli RI 12 667 6275
Amatrice RI 13 2657 8932
Cortino TE 13 656 9588
Montegallo AP 16 523 10111
Campotosto AQ 17 542 10653
Roccafluvione AP 18 2010 12663
Crognaleto TE 19 1297 13960

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Teramo (54892 inhabitants)
40 Km N of L'Aquila (69753 inhabitants)
63 Km E of Foligno (57155 inhabitants)
64 Km E of Terni (111501 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
72 Km W of Pescara (121014 inhabitants)
75 Km NW of Chieti (51815 inhabitants)
93 Km E of Perugia (166134 inhabitants)
96 Km NE of Guidonia Montecelio (88673 inhabitants)
96 Km NE of Tivoli (56533 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 2024-01-18
02:11:33
42.7092 13.3987 16 2024-01-18
02:21:44
Sala Sismica INGV-Roma 124707921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-01-18 02:11:33 ± 0.05
Latitude 42.7092 ± 0.0027
Longitude 13.3987 ± 0.0037
Depth (km) 16 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124707921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 255
Semi-minor axis of confidence ellipse (meter) 103
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 263
Circular confidence region, given by single value of horizontal uncertainty (meter) 260.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 24
Number of defining phases 19
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) 0.39840
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 12
Magnitude information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 124707921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-01-18 02:21:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.NARO.HHZ. 2024-01-18T02:11:53.70 3.0 undecidable manual P 0.13 0
IV.MML1.EHZ. 2024-01-18T02:11:50.05 3.0 undecidable manual S -2.32 0
IV.CSP1.EHZ. 2024-01-18T02:11:48.68 3.0 undecidable manual S -0.47 0
IV.NRCA.HHZ. 2024-01-18T02:11:43.30 0.1 undecidable manual S 301 26.9508 107 -0.1 97
IV.RM33.EHZ. 2024-01-18T02:11:43.40 0.3 undecidable manual S 214 26.8509 107 0.04 74
IV.CESI.HHZ. 2024-01-18T02:11:42.99 3.0 positive manual P -0.24 0
IV.ASCOL.EHE. 2024-01-18T02:11:42.16 0.3 undecidable manual S 45 22.1556 112 -0.03 74
IV.CAMP.HHZ. 2024-01-18T02:11:41.52 0.3 undecidable manual S 177 19.2696 117 0.03 75
IV.TERO.HNZ. 2024-01-18T02:11:41.43 0.3 undecidable manual S 120 19.2696 117 -0.07 74
IV.OFFI.HHZ. 2024-01-18T02:11:41.25 3.0 negative manual P 0.57 0
IV.GUMA.HHZ. 2024-01-18T02:11:41.42 0.6 negative manual P 353 39.5271 100 0.29 46
IV.FDMO.HHZ. 2024-01-18T02:11:41.64 0.6 undecidable manual P 325 44.2224 98 -0.21 46
IV.MF5.EHZ. 2024-01-18T02:11:40.28 0.3 undecidable manual P 9 31.3464 104 0.39 68
IV.SMA1.EHZ. 2024-01-18T02:11:39.64 0.3 undecidable manual S 211 10.1787 140 0.07 75
IV.LNSS.HHZ. 2024-01-18T02:11:39.90 0.1 positive manual P 248 31.5462 103 -0.02 98
IV.RM33.EHZ. 2024-01-18T02:11:39.22 0.1 positive manual P 214 26.8509 107 0 99
IV.GIGS.HHZ. 2024-01-18T02:11:39.81 0.1 positive manual P 153 31.746 103 -0.14 95
IV.NRCA.HHZ. 2024-01-18T02:11:39.14 0.1 negative manual P 301 26.9508 107 -0.1 97
IV.CAMP.HHZ. 2024-01-18T02:11:38.15 0.3 undecidable manual P 177 19.2696 117 0.01 75
IV.TERO.HNZ. 2024-01-18T02:11:38.12 0.1 undecidable manual P 120 19.2696 117 -0.02 100
IV.MTRA.HNZ. 2024-01-18T02:11:38.78 0.3 undecidable manual S 358 5.2947 158 -0.11 75
IV.ASCOL.EHE. 2024-01-18T02:11:38.47 0.3 undecidable manual P 45 22.1556 112 -0.07 74
IV.SMA1.EHZ. 2024-01-18T02:11:37.19 0.3 undecidable manual P 211 10.1787 140 0.16 74
IV.MTRA.HNZ. 2024-01-18T02:11:36.71 0.3 undecidable manual P 358 5.2947 158 0.07 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:2.0 0.0010282895000000001 0.1008 AML other m 2024-01-18T02:11:38.86
IV.SMA1.EHN. ML:1.9 0.0007591417 0.1408 AML other m 2024-01-18T02:11:39.73
IV.SMA1.EHE. ML:1.8 0.000568 0.1 AML other m 2024-01-18T02:11:39.79
IV.NRCA.HHE. ML:1.9 0.000363 1 AML other m 2024-01-18T02:11:43.33
IV.NRCA.HHN. ML:1.9 0.000388 0.1 AML other m 2024-01-18T02:11:43.42
IV.MTRA.EHE. ML:1.8 0.0007064870999999999 0.3808 AML other m 2024-01-18T02:11:38.86
IV.GIGS.HHN. ML:0.0 0.00009185 0.3 AML other m 2024-01-18T02:11:44.75
IV.GIGS.HHE. ML:0.0 0.00006815 0.08 AML other m 2024-01-18T02:11:44.88
IV.MF5.EHN. ML:2.0 0.0004005 0.24 AML other m 2024-01-18T02:11:45.49
IV.MF5.EHE. ML:1.9 0.0003185 1.08 AML other m 2024-01-18T02:11:46.58
IV.GUMA.HHE. ML:2.0 0.0003735 0.22 AML other m 2024-01-18T02:11:47.86
IV.GUMA.HHN. ML:1.9 0.000251 0.92 AML other m 2024-01-18T02:11:47.95
IV.FDMO.HHE. ML:1.4 0.00006604999999999999 0.26 AML other m 2024-01-18T02:11:48.33
IV.FDMO.HHN. ML:1.3 0.0000615 0.46 AML other m 2024-01-18T02:11:49.47
IV.LNSS.HHN. ML:1.4 0.00009925875500000001 0.1808 AML other m 2024-01-18T02:11:45.20
IV.LNSS.HHE. ML:1.5 0.000135566445 0.1184 AML other m 2024-01-18T02:11:45.69
IV.TERO.HNE. ML:1.2 0.00009636457000000001 0.1392 AML other m 2024-01-18T02:11:41.82
IV.TERO.HNN. ML:1.6 0.00026803205000000004 0.0896 AML other m 2024-01-18T02:11:41.54
IV.RM33.EHE. ML:1.2 0.00007715004000000001 0.12 AML other m 2024-01-18T02:11:43.86
IV.RM33.EHN. ML:1.1 0.000062837955 0.16 AML other m 2024-01-18T02:11:44.13
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