Earthquake with magnitude of ML 1.2 on date 09-12-2023 and time 06:36:08 (Italy) in region 4 km W Acquasanta Terme (AP)

A magnitude ML 1.2 earthquake occured in region: 4 km W Acquasanta Terme (AP), on

  • 09-12-2023 05:36:08 (UTC)
  • 09-12-2023 06:36:08 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7660, 13.3650 at 15 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
Arquata del Tronto AP 6 1178 4094
Montegallo AP 9 523 4617
Valle Castellana TE 11 977 5594
Accumoli RI 12 667 6261
Roccafluvione AP 14 2010 8271
Montemonaco AP 15 604 8875
Rocca Santa Maria TE 16 537 9412
Amatrice RI 16 2657 12069
Venarotta AP 17 2066 14135
Palmiano AP 17 196 14331
Cortino TE 20 656 14987
Montefortino FM 20 1178 16165
Ascoli Piceno AP 20 49407 65572

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km W of Teramo (54892 inhabitants)
46 Km N of L'Aquila (69753 inhabitants)
58 Km E of Foligno (57155 inhabitants)
63 Km E of Terni (111501 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
77 Km W of Pescara (121014 inhabitants)
80 Km NW of Chieti (51815 inhabitants)
88 Km E of Perugia (166134 inhabitants)
96 Km S of Ancona (100861 inhabitants)
100 Km NE of Guidonia Montecelio (88673 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 1.2 2023-12-09
05:36:08
42.7665 13.3653 15 2023-12-09
05:54:41
Sala Sismica INGV-Roma 123910901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-12-09 05:36:08 ± 0.12
Latitude 42.7665 ± 0.0036
Longitude 13.3653 ± 0.0074
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 123910901

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 589
Semi-minor axis of confidence ellipse (meter) 82
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 252
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 96
Number of associated phases, regardless of their use for origin computation 26
Number of defining phases 26
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.02518
Epicentral distance of station farthest from the epicenter (degree) 0.34534
Number of stations at which the event was observed 13
Number of stations from which data was used for origin computation 13
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.4
Num. used stations 26
Type of magnitude ML
Reference to an origin 123910901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-12-09 05:54:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CSP1.EHZ. 2023-12-09T05:36:21.24 0.6 undecidable manual S 340 38.3283 100 -0.06 47
IV.GUMA.HHZ. 2023-12-09T05:36:20.78 0.6 undecidable manual S 356 32.9448 102 0.9 37
IV.RM33.EHZ. 2023-12-09T05:36:19.78 0.6 undecidable manual S 203 31.1466 103 0.38 44
IV.MF5.EHZ. 2023-12-09T05:36:18.46 0.6 undecidable manual S 17 25.752 107 0.45 44
IV.TERO.HHZ. 2023-12-09T05:36:18.04 0.6 undecidable manual S 129 25.1526 108 0.18 47
IV.MC2.EHZ. 2023-12-09T05:36:17.17 0.6 undecidable manual S 318 21.5673 112 0.21 46
IV.NRCA.HHZ. 2023-12-09T05:36:17.07 0.6 undecidable manual S 290 21.7671 112 0.06 48
7F.SIB3.EHZ. 2023-12-09T05:36:15.15 0.6 undecidable manual S 327 14.3745 127 -0.13 48
IV.MMO1.EHZ. 2023-12-09T05:36:15.26 0.6 undecidable manual S 348 15.0738 125 -0.18 47
IV.CSP1.EHZ. 2023-12-09T05:36:15.47 1.0 undecidable manual P 340 38.3283 100 -0.42 22
7F.SIB2.EHZ. 2023-12-09T05:36:15.12 0.6 undecidable manual S 340 14.6742 126 -0.24 47
IV.SMA1.EHZ. 2023-12-09T05:36:15.56 0.6 undecidable manual S 189 15.2736 125 0.08 48
7F.SIB1.HNZ. 2023-12-09T05:36:15.83 0.6 undecidable manual S 331 16.1727 122 0.14 48
IV.GUMA.HHZ. 2023-12-09T05:36:14.99 0.3 undecidable manual P 356 32.9448 102 -0.08 70
IV.MF5.EHZ. 2023-12-09T05:36:14.02 0.1 negative manual P 17 25.752 107 0.03 97
IV.RM33.EHZ. 2023-12-09T05:36:14.80 1.0 negative manual P 203 31.1466 103 0.01 24
IV.NRCA.HHZ. 2023-12-09T05:36:13.31 0.1 positive manual P 290 21.7671 112 -0.1 96
IV.TERO.HHZ. 2023-12-09T05:36:13.59 0.6 negative manual P 129 25.1526 108 -0.32 45
IV.MC2.EHZ. 2023-12-09T05:36:13.29 0.1 undecidable manual P 318 21.5673 112 -0.1 96
IV.MTRA.HNZ. 2023-12-09T05:36:13.68 0.6 undecidable manual S 113 2.7972 168 0.11 49
7F.SIB1.HNZ. 2023-12-09T05:36:12.64 0.1 undecidable manual P 331 16.1727 122 -0.01 98
7F.SIB3.EHZ. 2023-12-09T05:36:12.31 0.1 undecidable manual P 327 14.3745 127 -0.1 97
IV.MMO1.EHZ. 2023-12-09T05:36:12.31 0.6 negative manual P 348 15.0738 125 -0.2 47
7F.SIB2.EHZ. 2023-12-09T05:36:12.25 0.1 undecidable manual P 340 14.6742 126 -0.21 94
IV.SMA1.EHZ. 2023-12-09T05:36:12.61 1.0 undecidable manual P 189 15.2736 125 0.08 24
IV.MTRA.HNZ. 2023-12-09T05:36:11.47 0.1 undecidable manual P 113 2.7972 168 0.04 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MMO1.EHN. ML:0.4 0.000021058254999999998 0.1216 AML other m 2023-12-09T05:36:15.32
IV.SMA1.EHN. ML:1.2 0.00013700000000000002 0.12 AML other m 2023-12-09T05:36:15.88
IV.SMA1.EHE. ML:1.2 0.00011660000000000002 1.88 AML other m 2023-12-09T05:36:16.94
IV.MMO1.EHE. ML:0.5 0.000025983945 0.2592 AML other m 2023-12-09T05:36:18.09
IV.NRCA.HHE. ML:1.2 0.00010035 0.08 AML other m 2023-12-09T05:36:17.19
IV.NRCA.HHN. ML:1.2 0.00008885000000000002 0.1 AML other m 2023-12-09T05:36:17.26
IV.MMO1.HNE. ML:2.8 0.004538264 0.6624 AML other m 2023-12-09T05:36:18.79
IV.MMO1.HNN. ML:2.8 0.0051437235 0.56 AML other m 2023-12-09T05:36:12.56
IV.NRCA.HNE. ML:1.4 0.00013326682 0.7104 AML other m 2023-12-09T05:36:27.23
IV.NRCA.HNN. ML:1.6 0.00023957235 0.6688 AML other m 2023-12-09T05:36:22.51
IV.TERO.HHE. ML:0.6 0.000019519745 0.0608 AML other m 2023-12-09T05:36:18.43
IV.TERO.HHN. ML:0.0 0.000005263671100000001 0.4576 AML other m 2023-12-09T05:36:26.25
IV.TERO.HNE. ML:1.2 0.0000757396 0.5888 AML other m 2023-12-09T05:36:16.98
IV.TERO.HNN. ML:1.2 0.00008244655500000001 0.5184 AML other m 2023-12-09T05:36:27.24
IV.MF5.EHE. ML:0.9 0.000047153578 1.1808 AML other m 2023-12-09T05:36:24.05
IV.MF5.EHN. ML:1.3 0.00009783831000000002 1.7216 AML other m 2023-12-09T05:36:15.63
IV.RM33.HNE. ML:1.5 0.0001313051 0.8896 AML other m 2023-12-09T05:36:17.28
IV.RM33.HNN. ML:1.6 0.00017345835499999997 1.1424 AML other m 2023-12-09T05:36:22.76
IV.RM33.EHE. ML:0.9 0.000036541304999999996 0.1408 AML other m 2023-12-09T05:36:20.27
IV.RM33.EHN. ML:0.8 0.000031620115 0.2016 AML other m 2023-12-09T05:36:19.98
IV.GUMA.HHE. ML:1.0 0.00004745087000000001 0.3008 AML other m 2023-12-09T05:36:20.51
IV.GUMA.HHN. ML:1.0 0.000046997935 0.7584 AML other m 2023-12-09T05:36:31.22
IV.GUMA.HNE. ML:1.5 0.00014089073499999998 0.8384 AML other m 2023-12-09T05:36:34.26
IV.GUMA.HNN. ML:1.5 0.0001182191062 0.56 AML other m 2023-12-09T05:36:14.64
IV.CSP1.EHE. ML:1.4 0.00008615804500000001 2.0192 AML other m 2023-12-09T05:36:28.70
IV.CSP1.EHN. ML:1.4 0.00008045282499999999 1.8976 AML other m 2023-12-09T05:36:27.23
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