Earthquake with magnitude of ML 0.8 on date 17-12-2023 and time 22:03:00 (Italy) in region 4 km S Acquasanta Terme (AP)

A magnitude ML 0.8 earthquake occured in region: 4 km S Acquasanta Terme (AP), on

  • 17-12-2023 21:03:00 (UTC)
  • 17-12-2023 22:03:00 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7340, 13.4070 at 17 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 4 2916 2916
Valle Castellana TE 8 977 3893
Arquata del Tronto AP 10 1178 5071
Rocca Santa Maria TE 11 537 5608
Montegallo AP 14 523 6131
Accumoli RI 14 667 6798
Cortino TE 15 656 7454
Amatrice RI 15 2657 10111
Roccafluvione AP 15 2010 12121
Venarotta AP 18 2066 14187
Palmiano AP 19 196 14383
Ascoli Piceno AP 19 49407 63790
Montemonaco AP 20 604 64394
Campotosto AQ 20 542 64936

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Teramo (54892 inhabitants)
43 Km N of L'Aquila (69753 inhabitants)
62 Km E of Foligno (57155 inhabitants)
65 Km E of Terni (111501 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
73 Km W of Pescara (121014 inhabitants)
76 Km NW of Chieti (51815 inhabitants)
93 Km E of Perugia (166134 inhabitants)
99 Km S of Ancona (100861 inhabitants)
99 Km NE of Guidonia Montecelio (88673 inhabitants)
99 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 0.8 2023-12-17
21:03:00
42.7342 13.407 17 2023-12-17
21:15:43
Sala Sismica INGV-Roma 124114901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-17 21:03:00 ± 0.08
Latitude 42.7342 ± 0.0027
Longitude 13.4070 ± 0.0049
Depth (km) 17 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 124114901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 473
Semi-minor axis of confidence ellipse (meter) 102
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 240
Circular confidence region, given by single value of horizontal uncertainty (meter) 470.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 118
Number of associated phases, regardless of their use for origin computation 29
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.15
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38671
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 14
Magnitude information

ML:0.8

Field Value
Value 0.8
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 124114901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-17 21:15:43
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2023-12-17T21:03:25.50 3.0 undecidable manual S -4.01 0
IV.CSP1.EHZ. 2023-12-17T21:03:15.08 0.3 undecidable manual S 338 42.9237 101 0.14 69
IV.FDMO.HHZ. 2023-12-17T21:03:14.75 0.3 undecidable manual S 322 42.4242 101 -0.05 70
IV.GIGS.HHZ. 2023-12-17T21:03:12.49 0.6 undecidable manual S 156 33.9438 105 -0.11 47
IV.MC2.EHE. 2023-12-17T21:03:11.06 0.3 undecidable manual S 318 26.4513 111 0.37 67
IV.MF5.EHZ. 2023-12-17T21:03:11.56 0.6 undecidable manual S 9 28.4493 109 0.37 45
IV.RM33.EHZ. 2023-12-17T21:03:11.57 0.3 undecidable manual S 212 29.5482 108 0.12 71
IV.NRCA.HHZ. 2023-12-17T21:03:10.45 0.6 undecidable manual S 295 26.2515 111 -0.18 47
IV.TERO.HHZ. 2023-12-17T21:03:09.12 0.3 undecidable manual S 127 20.2686 119 -0.06 72
7F.SIB1.EHN. 2023-12-17T21:03:09.54 0.3 undecidable manual S 328 20.9679 118 0.18 71
IV.CSP1.EHZ. 2023-12-17T21:03:08.88 0.3 negative manual P 338 42.9237 101 -0.11 69
7F.SIB3.EHZ. 2023-12-17T21:03:08.73 0.3 undecidable manual S 325 19.1697 121 -0.21 71
7F.SIB2.EHZ. 2023-12-17T21:03:08.73 0.3 undecidable manual S 334 19.3695 121 -0.24 70
IV.FDMO.HHZ. 2023-12-17T21:03:08.60 0.3 undecidable manual P 322 42.4242 101 -0.31 67
IV.MMO1.EHZ. 2023-12-17T21:03:08.87 0.3 undecidable manual S 340 19.4694 120 -0.13 72
IV.RM33.EHZ. 2023-12-17T21:03:07.04 1.0 negative manual P 212 29.5482 108 0.06 24
IV.GIGS.HHZ. 2023-12-17T21:03:07.58 1.0 undecidable manual P 156 33.9438 105 -0.07 24
IV.SMA1.EHZ. 2023-12-17T21:03:07.64 0.3 undecidable manual S 207 12.876 135 0.04 75
IV.MF5.EHZ. 2023-12-17T21:03:07.19 0.6 undecidable manual P 9 28.4493 109 0.36 45
IV.NRCA.HHZ. 2023-12-17T21:03:06.40 0.1 negative manual P 295 26.2515 111 -0.11 95
IV.MTRA.HNZ. 2023-12-17T21:03:06.24 0.1 undecidable manual S 341 2.6973 169 -0.05 99
IV.MC2.EHE. 2023-12-17T21:03:06.63 0.3 undecidable manual P 318 26.4513 111 0.09 72
7F.SIB1.EHN. 2023-12-17T21:03:05.83 0.3 undecidable manual P 328 20.9679 118 0.05 73
IV.MMO1.EHZ. 2023-12-17T21:03:05.49 0.3 undecidable manual P 340 19.4694 120 -0.07 73
7F.SIB3.EHZ. 2023-12-17T21:03:05.44 0.3 undecidable manual P 325 19.1697 121 -0.09 72
IV.TERO.HHZ. 2023-12-17T21:03:05.69 0.1 positive manual P 127 20.2686 119 0.02 98
7F.SIB2.EHZ. 2023-12-17T21:03:05.44 0.1 undecidable manual P 334 19.3695 121 -0.11 96
IV.SMA1.EHZ. 2023-12-17T21:03:04.92 0.1 undecidable manual P 207 12.876 135 0.16 97
IV.MTRA.HNZ. 2023-12-17T21:03:04.09 0.1 undecidable manual P 341 2.6973 169 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.TERO.HHN. ML:1.2 0.0000878 0.06 AML other m 2023-12-17T21:03:09.45
IV.TERO.HHE. ML:1.0 0.00006405 0.18 AML other m 2023-12-17T21:03:09.79
IV.FDMO.HHN. ML:0.9 0.000025122605 2.5728 AML other m 2023-12-17T21:03:15.87
IV.FDMO.HHE. ML:0.9 0.0000266 1.54 AML other m 2023-12-17T21:03:15.22
IV.MMO1.EHE. ML:0.5 0.000021425975 0.7424 AML other m 2023-12-17T21:03:09.40
IV.MMO1.EHN. ML:0.9 0.00004367627 1.3952 AML other m 2023-12-17T21:03:09.20
IV.RM33.EHE. ML:0.9 0.000035356835 0.1536 AML other m 2023-12-17T21:03:12.13
IV.RM33.EHN. ML:0.8 0.000027106444999999998 0.2176 AML other m 2023-12-17T21:03:11.65
IV.GIGS.HHE. ML:0.6 0.0000165287 0.9984 AML other m 2023-12-17T21:03:12.85
IV.GIGS.HHN. ML:0.7 0.00002234121 0.2176 AML other m 2023-12-17T21:03:12.87
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download