Earthquake with magnitude of ML 1.0 on date 24-09-2023 and time 18:32:48 (UTC) in region 3 km SE Acquasanta Terme (AP)

A magnitude ML 1.0 earthquake occured in region: 3 km SE Acquasanta Terme (AP), on

  • 24-09-2023 18:32:48 (UTC)
  • 24-09-2023 20:32:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7500, 13.4290 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.

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 3 2916 2916
Valle Castellana TE 6 977 3893
Rocca Santa Maria TE 11 537 4430
Arquata del Tronto AP 11 1178 5608
Montegallo AP 13 523 6131
Roccafluvione AP 13 2010 8141
Cortino TE 16 656 8797
Venarotta AP 16 2066 10863
Accumoli RI 16 667 11530
Ascoli Piceno AP 17 49407 60937
Palmiano AP 17 196 61133
Amatrice RI 18 2657 63790
Folignano AP 19 9241 73031
Montemonaco AP 19 604 73635
Civitella del Tronto TE 20 5116 78751

Municipalities with at least 50000 inhabitants

An earthquake occurred to
25 Km W of Teramo (54892 inhabitants)
44 Km N of L'Aquila (69753 inhabitants)
63 Km E of Foligno (57155 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
67 Km E of Terni (111501 inhabitants)
72 Km W of Pescara (121014 inhabitants)
75 Km NW of Chieti (51815 inhabitants)
94 Km E of Perugia (166134 inhabitants)
97 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 1.0 2023-09-24
18:32:48
42.7497 13.4288 18 2023-09-24
18:40:10
Sala Sismica INGV-Roma 121428671
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-09-24 18:32:48 ± 0.12
Latitude 42.7497 ± 0.0027
Longitude 13.4288 ± 0.0073
Depth (km) 18 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 121428671

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 570
Semi-minor axis of confidence ellipse (meter) 52
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 86
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 86
Number of associated phases, regardless of their use for origin computation 45
Number of defining phases 28
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) 0.37951
Number of stations at which the event was observed 30
Number of stations from which data was used for origin computation 15
Magnitude information

ML:1.0

Field Value
Value 1.0
Uncertainty 0.1
Num. used stations 8
Type of magnitude ML
Reference to an origin 121428671
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-09-24 18:40:10
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
GU.POPM.HHZ. 2023-09-24T18:34:21.95 3.0 undecidable manual Sg 17.219999 0
GU.TRAV.HHZ. 2023-09-24T18:34:12.74 3.0 negative manual Pg 17.15 0
IV.HPAC.HHZ. 2023-09-24T18:34:06.31 3.0 undecidable manual Pg 11.31 0
IV.RIBO.EHZ.01 2023-09-24T18:33:56.09 3.0 undecidable manual Sg 2.68 0
IV.PANTE.HHZ. 2023-09-24T18:33:52.24 3.0 undecidable manual Pn -6.21 0
IV.MGR.HHZ. 2023-09-24T18:33:49.68 3.0 undecidable manual Sg 1.63 0
IV.ZEN8.EHZ. 2023-09-24T18:33:47.63 3.0 undecidable manual Pg 12.96 0
IV.VARE.HHZ. 2023-09-24T18:33:45.49 3.0 undecidable manual Pn -4.58 0
IV.GMB1.HHZ. 2023-09-24T18:33:37.54 3.0 negative manual Pg 0.53 0
IV.SPS2.HHZ. 2023-09-24T18:33:29.44 3.0 positive manual Pg 4.59 0
IV.PAOL.HHZ. 2023-09-24T18:33:29.33 3.0 undecidable manual Sg -1.11 0
OX.ACOM.HHZ. 2023-09-24T18:33:28.43 3.0 undecidable manual Pn -4.85 0
IV.PIPA.HHZ. 2023-09-24T18:33:27.04 3.0 undecidable manual Pg 2.51 0
IV.ARRO.EHZ. 2023-09-24T18:33:19.03 3.0 undecidable manual Sn -9.99 0
IV.MGR.HNZ. 2023-09-24T18:33:05.29 3.0 undecidable manual Pn -7.86 0
IV.CSP1.EHN. 2023-09-24T18:33:02.84 0.6 undecidable manual S 334 42.1245 103 0.45 44
IV.RM33.HNE. 2023-09-24T18:33:00.28 0.6 undecidable manual S 213 31.9458 109 0.5 44
IV.GIGS.HHE. 2023-09-24T18:33:00.46 0.6 undecidable manual S 160 34.9428 107 -0.09 48
IV.MF5.EHN. 2023-09-24T18:32:58.74 0.3 undecidable manual S 5 26.5512 114 0.29 71
IV.NRCA.HHZ. 2023-09-24T18:32:58.27 1.0 undecidable manual S 290 27.2505 114 -0.35 23
7F.SIB1.EHN. 2023-09-24T18:32:57.49 0.3 undecidable manual S 321 20.6682 122 0.43 69
IV.TERO.HHZ. 2023-09-24T18:32:57.15 0.6 undecidable manual S 135 20.0688 123 0.22 48
IV.CAMP.HHZ. 2023-09-24T18:32:57.70 0.6 undecidable manual S 184 23.754 118 -0.09 49
IV.MMO1.EHZ. 2023-09-24T18:32:56.82 0.6 undecidable manual S 333 18.5703 126 0.22 48
7F.SIB2.EHZ. 2023-09-24T18:32:56.57 0.6 undecidable manual S 327 18.6702 126 -0.06 50
IV.SMA1.EHZ. 2023-09-24T18:32:56.09 0.6 undecidable manual S 210 15.2736 133 0.17 49
IV.CSP1.EHN. 2023-09-24T18:32:56.45 0.1 undecidable manual P 334 42.1245 103 -0.06 95
7F.SIB3.EHZ. 2023-09-24T18:32:56.48 0.6 undecidable manual S 317 18.9699 125 -0.22 48
IV.GUMA.HHZ. 2023-09-24T18:32:55.39 1.0 positive manual P 348 35.5422 107 -0.15 24
IV.GIGS.HHE. 2023-09-24T18:32:55.18 0.1 undecidable manual P 160 34.9428 107 -0.27 92
IV.RM33.HNE. 2023-09-24T18:32:55.11 0.1 undecidable manual P 213 31.9458 109 0.1 97
IV.PAOL.HHZ. 2023-09-24T18:32:55.81 3.0 negative manual Pn -7.45 0
IV.NRCA.HHZ. 2023-09-24T18:32:54.25 0.1 negative manual P 290 27.2505 114 -0.09 97
IV.MTRA.HNN. 2023-09-24T18:32:54.01 0.6 undecidable manual S 286 2.7972 170 -0.26 50
IV.MF5.EHN. 2023-09-24T18:32:54.34 0.1 undecidable manual P 5 26.5512 114 0.11 98
IV.ASCOL.EHN. 2023-09-24T18:32:53.15 0.1 undecidable manual P 49 17.2716 128 0.14 99
IV.CAMP.HHZ. 2023-09-24T18:32:53.87 0.1 undecidable manual P 184 23.754 118 0.01 100
7F.SIB1.EHN. 2023-09-24T18:32:53.49 0.1 undecidable manual P 321 20.6682 122 0.06 100
IV.MMO1.EHZ. 2023-09-24T18:32:53.11 1.0 undecidable manual P 333 18.5703 126 -0.06 25
IV.TERO.HHZ. 2023-09-24T18:32:53.41 1.0 negative manual P 135 20.0688 123 0.05 25
IV.SMA1.EHZ. 2023-09-24T18:32:52.94 0.1 undecidable manual P 210 15.2736 133 0.16 98
7F.SIB3.EHZ. 2023-09-24T18:32:52.93 0.1 undecidable manual P 317 18.9699 125 -0.29 95
7F.SIB2.EHZ. 2023-09-24T18:32:52.86 0.1 undecidable manual P 327 18.6702 126 -0.32 94
IV.MTRA.HNN. 2023-09-24T18:32:51.45 0.1 undecidable manual P 286 2.7972 170 -0.37 96
IV.LPEL.HHZ. 2023-09-24T18:32:51.15 3.0 undecidable manual P -6.13 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SMA1.EHE. ML:1.0 0.00007180522 1.3696 AML other m 2023-09-24T18:33:04.26
IV.SMA1.EHN. ML:1.0 0.000068713435 1.7408 AML other m 2023-09-24T18:33:16.36
IV.TERO.HHE. ML:1.0 0.000057852465 0.832 AML other m 2023-09-24T18:32:54.23
IV.TERO.HHN. ML:0.9 0.00005132649 2.24 AML other m 2023-09-24T18:33:13.82
IV.CAMP.HHE. ML:1.1 0.00006040148500000001 1.1264 AML other m 2023-09-24T18:32:58.16
IV.CAMP.HHN. ML:0.9 0.00004232583 1.2672 AML other m 2023-09-24T18:33:08.76
IV.NRCA.HHE. ML:0.8 0.0000307071645 0.128 AML other m 2023-09-24T18:32:59.05
IV.NRCA.HHN. ML:1.0 0.00004428785 1.7152 AML other m 2023-09-24T18:33:15.94
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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