Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 18-03-2024 and time 17:19:50 (Italy) in region 5 km N Acquasanta Terme (AP)

A magnitude ML 2.1 earthquake occured in region: 5 km N Acquasanta Terme (AP), on

  • 18-03-2024 16:19:50 (UTC)
  • 18-03-2024 17:19:50 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8180, 13.4040 at 11 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.

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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 5 2916 2916
Montegallo AP 6 523 3439
Roccafluvione AP 8 2010 5449
Arquata del Tronto AP 10 1178 6627
Venarotta AP 10 2066 8693
Palmiano AP 10 196 8889
Montemonaco AP 11 604 9493
Valle Castellana TE 12 977 10470
Ascoli Piceno AP 15 49407 59877
Montefortino FM 15 1178 61055
Comunanza AP 16 3166 64221
Rocca Santa Maria TE 18 537 64758
Force AP 18 1354 66112
Accumoli RI 19 667 66779
Amandola FM 19 3629 70408
Folignano AP 19 9241 79649
Montefalcone Appennino FM 20 424 80073
Rotella AP 20 906 80979

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Teramo (54892 inhabitants)
52 Km N of L'Aquila (69753 inhabitants)
59 Km E of Foligno (57155 inhabitants)
68 Km E of Terni (111501 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
77 Km NW of Pescara (121014 inhabitants)
81 Km NW of Chieti (51815 inhabitants)
89 Km E of Perugia (166134 inhabitants)
90 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 2.1 2024-03-18
16:19:50		 42.8175 13.4043 11 2024-03-18
16:32:30		 Sala Sismica INGV-Roma 125969311
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2024-03-18 16:19:50 ± 0.05
Latitude 42.8175 ± 0.0027
Longitude 13.4043 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 125969311

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 363
Semi-minor axis of confidence ellipse (meter) 127
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 62
Circular confidence region, given by single value of horizontal uncertainty (meter) 360.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 58
Number of defining phases 58
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.06115
Epicentral distance of station farthest from the epicenter (degree) 0.58996
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitude information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 36
Type of magnitude ML
Reference to an origin 125969311
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2024-03-18 16:32:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2024-03-18T16:20:10.48 0.6 undecidable manual S 345 64.1913 50 0.54 40
IV.ASSB.HHZ. 2024-03-18T16:20:10.81 0.6 undecidable manual S 293 65.49 50 0.51 41
IV.VCEL.EHZ. 2024-03-18T16:20:09.06 0.6 undecidable manual S 143 58.8966 50 0.52 41
IV.MML1.EHZ. 2024-03-18T16:20:05.86 0.6 undecidable manual S 313 48.1185 50 0.22 45
IV.CESI.HHZ. 2024-03-18T16:20:05.29 0.6 undecidable manual S 297 45.621 50 0.3 44
IV.GIGS.HHZ. 2024-03-18T16:20:04.02 0.6 undecidable manual S 161 42.7239 50 -0.19 46
IV.RM33.EHZ. 2024-03-18T16:20:03.23 0.6 undecidable manual S 204 37.5291 50 0.39 44
IV.LNSS.HHZ. 2024-03-18T16:20:03.42 0.6 undecidable manual S 231 38.0286 50 0.46 43
IT.MTCL.HGZ. 2024-03-18T16:20:03.02 0.6 undecidable manual S 301 38.2284 50 -0.01 48
ZO.PDN12.EHZ. 2024-03-18T16:20:03.68 0.6 undecidable manual S 271 39.627 50 0.28 45
IV.PF6.EHZ. 2024-03-18T16:20:03.18 0.6 undecidable manual S 334 39.4272 50 -0.15 46
IV.FDMO.HHZ. 2024-03-18T16:20:02.04 0.6 undecidable manual S 313 35.4423 50 -0.22 46
IV.FEMA.HNZ. 2024-03-18T16:20:01.80 0.6 undecidable manual S 299 32.9448 50 0.19 46
IV.ASSB.HHZ. 2024-03-18T16:20:01.60 0.1 undecidable manual P 293 65.49 50 -0.26 86
IV.CAMP.HHZ. 2024-03-18T16:20:01.23 0.6 undecidable manual S 179 31.2465 50 0.08 48
IV.CSP1.EHZ. 2024-03-18T16:20:01.92 0.6 undecidable manual S 332 34.4433 50 -0.09 47
IV.SAP2.EHZ. 2024-03-18T16:20:01.76 0.6 undecidable manual S 359 30.9468 50 0.68 41
IV.CING.HHZ. 2024-03-18T16:20:01.32 0.1 undecidable manual P 345 64.1913 50 -0.34 85
IV.GUMA.HHZ. 2024-03-18T16:20:00.59 0.6 undecidable manual S 348 27.75 50 0.37 45
IV.OFFI.HHZ. 2024-03-18T16:20:00.69 0.6 undecidable manual S 60 26.3514 50 0.85 38
IV.VCEL.EHZ. 2024-03-18T16:20:00.96 0.6 undecidable manual P 143 58.8966 50 0.12 45
IV.TERO.HHZ. 2024-03-18T16:20:00.03 0.6 undecidable manual S 143 27.0507 50 0 49
ZO.PDN11.EHZ. 2024-03-18T16:19:59.40 0.6 undecidable manual S 261 23.4543 50 0.33 46
IV.NRCA.HNZ. 2024-03-18T16:19:59.24 0.6 undecidable manual S 274 23.6541 50 0.11 48
IV.SMA1.EHZ. 2024-03-18T16:19:58.81 0.6 undecidable manual S 195 21.4674 50 0.26 47
IV.CESI.HHZ. 2024-03-18T16:19:58.54 0.1 undecidable manual P 297 45.621 50 -0.26 90
IV.MC2.EHZ. 2024-03-18T16:19:58.58 0.6 undecidable manual S 301 20.3685 50 0.33 46
IV.MML1.EHZ. 2024-03-18T16:19:58.85 0.1 undecidable manual P 313 48.1185 50 -0.32 88
IV.MF5.EHZ. 2024-03-18T16:19:58.31 0.6 undecidable manual S 13 19.4694 50 0.31 46
ZO.PDN12.EHZ. 2024-03-18T16:19:57.66 0.1 undecidable manual P 271 39.627 50 -0.22 91
IV.PF6.EHZ. 2024-03-18T16:19:57.38 0.1 undecidable manual P 334 39.4272 50 -0.46 87
IV.RM33.EHZ. 2024-03-18T16:19:57.46 0.6 negative manual P 204 37.5291 50 -0.09 47
IV.LNSS.HHZ. 2024-03-18T16:19:57.53 0.1 positive manual P 231 38.0286 50 -0.1 94
IT.MTCL.HGZ. 2024-03-18T16:19:57.36 0.1 undecidable manual P 301 38.2284 50 -0.31 90
IV.GIGS.HHZ. 2024-03-18T16:19:57.95 0.1 undecidable manual P 161 42.7239 50 -0.4 87
7F.SIB2.EHZ. 2024-03-18T16:19:56.00 0.6 undecidable manual S 315 11.5773 134 0.13 49
IV.MMO1.EHZ. 2024-03-18T16:19:56.04 0.6 undecidable manual S 325 11.0778 135 0.29 47
IV.FDMO.HHZ. 2024-03-18T16:19:56.83 0.1 undecidable manual P 313 35.4423 50 -0.39 89
IV.FEMA.HNZ. 2024-03-18T16:19:56.70 0.1 undecidable manual P 299 32.9448 50 -0.15 94
7F.SIB3.EHZ. 2024-03-18T16:19:56.33 0.6 undecidable manual S 300 12.6762 131 0.18 48
IV.ASCOL.EHZ. 2024-03-18T16:19:56.67 0.6 undecidable manual S 76 15.5733 125 -0.27 47
IV.CAMP.HHZ. 2024-03-18T16:19:56.32 1.0 undecidable manual P 179 31.2465 50 -0.26 23
IV.OFFI.HHZ. 2024-03-18T16:19:56.18 0.1 undecidable manual P 60 26.3514 50 0.36 91
IV.CSP1.EHZ. 2024-03-18T16:19:56.68 0.1 undecidable manual P 332 34.4433 50 -0.4 89
IV.SAP2.EHZ. 2024-03-18T16:19:56.85 0.1 undecidable manual P 359 30.9468 50 0.31 91
IV.TERO.HHZ. 2024-03-18T16:19:55.55 0.3 negative manual P 143 27.0507 50 -0.38 68
IV.MTRA.HNZ. 2024-03-18T16:19:55.41 0.6 undecidable manual S 185 6.7932 148 0.59 44
ZO.PDN11.EHZ. 2024-03-18T16:19:55.31 0.1 undecidable manual P 261 23.4543 50 -0.07 97
IV.SMA1.EHZ. 2024-03-18T16:19:55.05 0.1 negative manual P 195 21.4674 50 -0.03 98
IV.GUMA.HHZ. 2024-03-18T16:19:55.96 0.1 undecidable manual P 348 27.75 50 -0.08 96
IV.NRCA.HNZ. 2024-03-18T16:19:55.29 0.1 undecidable manual P 274 23.6541 50 -0.12 96
IV.MF5.EHZ. 2024-03-18T16:19:54.80 0.1 positive manual P 13 19.4694 50 0.04 98
IV.MC2.EHZ. 2024-03-18T16:19:54.89 0.1 undecidable manual P 301 20.3685 50 -0.01 98
7F.SIB2.EHZ. 2024-03-18T16:19:53.54 0.1 undecidable manual P 315 11.5773 134 0.01 100
IV.MMO1.EHZ. 2024-03-18T16:19:53.55 0.6 undecidable manual P 325 11.0778 135 0.09 49
IV.MTRA.HNZ. 2024-03-18T16:19:53.29 0.1 negative manual P 185 6.7932 148 0.37 94
7F.SIB3.EHZ. 2024-03-18T16:19:53.76 0.1 undecidable manual P 300 12.6762 131 0.07 99
IV.ASCOL.EHZ. 2024-03-18T16:19:53.86 0.1 positive manual P 76 15.5733 125 -0.29 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.8 0.0009184999999999999 0.68 AML other m 2024-03-18T16:19:55.92
IV.MTRA.HNN. ML:1.8 0.0009019999999999999 0.68 AML other m 2024-03-18T16:19:55.92
IV.MTRA.HNE. ML:1.9 0.001145 0.08 AML other m 2024-03-18T16:19:55.60
IV.MTRA.EHE. ML:1.9 0.0011485 0.08 AML other m 2024-03-18T16:19:55.60
IV.MMO1.EHE. ML:2.1 0.0013599999999999999 0.3 AML other m 2024-03-18T16:19:56.14
IV.MMO1.EHN. ML:2.1 0.001565 0.24 AML other m 2024-03-18T16:19:56.56
IV.ASCOL.EHE. ML:2.3 0.00196 0.18 AML other m 2024-03-18T16:19:56.73
IV.ASCOL.EHN. ML:1.9 0.000722 0.68 AML other m 2024-03-18T16:19:57.77
IV.MF5.EHN. ML:2.0 0.000782 0.14 AML other m 2024-03-18T16:19:58.49
IV.MF5.EHE. ML:2.0 0.0007605 0.26 AML other m 2024-03-18T16:19:58.86
IV.SMA1.EHN. ML:2.1 0.000818 1.76 AML other m 2024-03-18T16:19:58.90
IV.SMA1.EHE. ML:2.0 0.0006730000000000001 1.02 AML other m 2024-03-18T16:19:58.95
IV.GUMA.HNE. ML:2.1 0.0006505 0.16 AML other m 2024-03-18T16:20:01.43
IV.GUMA.HHE. ML:2.2 0.00079 0.18 AML other m 2024-03-18T16:20:01.36
IV.GUMA.HNN. ML:2.1 0.000722 0.42 AML other m 2024-03-18T16:20:02.16
IV.OFFI.HHN. ML:2.3 0.0010689999999999999 1.36 AML other m 2024-03-18T16:20:02.17
IV.GUMA.HHN. ML:2.0 0.0004955000000000001 0.44 AML other m 2024-03-18T16:20:02.18
IV.FDMO.HHE. ML:2.0 0.0004075 0.2 AML other m 2024-03-18T16:20:02.29
IV.OFFI.HHE. ML:2.1 0.0007415000000000001 0.66 AML other m 2024-03-18T16:20:02.51
IV.FDMO.HHN. ML:1.9 0.0003235 0.94 AML other m 2024-03-18T16:20:02.29
IV.CSP1.EHN. ML:2.3 0.000929 1.24 AML other m 2024-03-18T16:20:02.29
IV.CSP1.EHE. ML:2.2 0.0006565 0.76 AML other m 2024-03-18T16:20:03.41
IV.RM33.EHN. ML:1.9 0.000294 0.62 AML other m 2024-03-18T16:20:03.32
IV.LNSS.HHE. ML:2.1 0.000475 0.42 AML other m 2024-03-18T16:20:03.77
IV.RM33.EHE. ML:1.8 0.0002275 0.6 AML other m 2024-03-18T16:20:03.93
IV.LNSS.HHN. ML:2.0 0.00033999999999999997 0.16 AML other m 2024-03-18T16:20:04.81
IV.CESI.HHE. ML:2.1 0.00033999999999999997 0.22 AML other m 2024-03-18T16:20:05.51
IV.CESI.HNE. ML:2.1 0.00034199999999999996 0.22 AML other m 2024-03-18T16:20:05.52
IV.CESI.HNN. ML:2.2 0.000503 0.32 AML other m 2024-03-18T16:20:05.54
IV.CESI.HHN. ML:2.2 0.0005355 0.3 AML other m 2024-03-18T16:20:05.54
IV.MML1.HNN. ML:2.2 0.000421 0.26 AML other m 2024-03-18T16:20:06.15
IV.MML1.EHN. ML:2.2 0.0004290000000000001 0.26 AML other m 2024-03-18T16:20:06.15
IV.MML1.EHE. ML:2.0 0.00026000000000000003 0.54 AML other m 2024-03-18T16:20:06.24
IV.MML1.HNE. ML:1.9 0.00023299999999999997 0.54 AML other m 2024-03-18T16:20:06.24
IV.RM33.HNN. ML:2.7 0.00176 0.6 AML other m 2024-03-18T16:20:14.63
IV.RM33.HNE. ML:2.8 0.002155 0.6 AML other m 2024-03-18T16:20:14.63
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
Waveforms Seismic signals in miniseed + resp format Download