Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 11-02-2023 and time 03:54:57 (Italy) in region 5 km N Acquasanta Terme (AP)

A magnitude ML 2.2 earthquake occured in region: 5 km N Acquasanta Terme (AP), on

  • 11-02-2023 02:54:57 (UTC)
  • 11-02-2023 03:54:57 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8160, 13.4140 at 14 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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 7 523 3439
Roccafluvione AP 7 2010 5449
Venarotta AP 10 2066 7515
Palmiano AP 10 196 7711
Arquata del Tronto AP 11 1178 8889
Valle Castellana TE 11 977 9866
Montemonaco AP 12 604 10470
Ascoli Piceno AP 14 49407 59877
Montefortino FM 15 1178 61055
Comunanza AP 16 3166 64221
Rocca Santa Maria TE 17 537 64758
Force AP 18 1354 66112
Folignano AP 18 9241 75353
Accumoli RI 19 667 76020
Amandola FM 19 3629 79649
Montefalcone Appennino FM 20 424 80073
Rotella AP 20 906 80979

Municipalities with at least 50000 inhabitants

An earthquake occurred to
29 Km NW of Teramo (54892 inhabitants)
52 Km N of L'Aquila (69753 inhabitants)
60 Km E of Foligno (57155 inhabitants)
69 Km E of Terni (111501 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
76 Km NW of Pescara (121014 inhabitants)
80 Km NW of Chieti (51815 inhabitants)
90 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
Bulletin
Rev1000 		ML 2.2 2023-02-11
02:54:57		 42.8157 13.4142 15 2024-03-01
17:18:06		 Bollettino Sismico Italiano INGV 116959091
Reviewed
Rev100 		ML 2.2 2023-02-11
02:54:57		 42.8143 13.4032 15 2023-02-11
03:04:11		 Sala Sismica INGV-Roma 114332151
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2023-02-11 02:54:57 ± 0.05
Latitude 42.8157 ± 0.0018
Longitude 13.4142 ± 0.0037
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 116959091

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 310
Semi-minor axis of confidence ellipse (meter) 45
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 82
Circular confidence region, given by single value of horizontal uncertainty (meter) 310.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 68
Number of associated phases, regardless of their use for origin computation 74
Number of defining phases 74
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.06025
Epicentral distance of station farthest from the epicenter (degree) 1.10347
Number of stations at which the event was observed 52
Number of stations from which data was used for origin computation 52
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 76
Type of magnitude ML
Reference to an origin 114332151
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2023-02-11 03:04:11

ML:2.2

Field Value
Value 2.2
Uncertainty 0.2
Num. used stations 46
Type of magnitude ML
Reference to an origin 116959091
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2023-05-02 12:46:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SACS.HHZ. 2023-02-11T02:55:18.28 0.3 undecidable manual P 272 122.4885 92 0.54 54
IV.EL6.EHZ. 2023-02-11T02:55:17.22 0.6 undecidable manual S 336 62.3931 94 0.64 39
IV.NARO.HHZ. 2023-02-11T02:55:16.85 0.3 undecidable manual P 323 111 92 0.87 48
IV.SNTG.HHZ. 2023-02-11T02:55:16.93 0.3 undecidable manual S 322 62.0934 94 0.44 63
IV.ATPI.EHZ. 2023-02-11T02:55:15.59 0.3 undecidable manual P 311 108.0141 92 0.07 62
IV.PIEI.HHZ. 2023-02-11T02:55:15.05 0.3 undecidable manual P 319 106.9152 92 -0.3 60
IV.MGAB.HHZ. 2023-02-11T02:55:15.47 0.3 undecidable manual P 276 106.4157 92 0.2 61
IV.SRES.HHZ. 2023-02-11T02:55:14.23 0.3 undecidable manual P 229 97.9242 92 0.27 61
IV.FRON.EHZ. 2023-02-11T02:55:13.47 0.3 undecidable manual P 325 95.7264 92 -0.16 63
IV.INTR.HHZ. 2023-02-11T02:55:13.53 0.3 undecidable manual P 156 97.8243 92 -0.42 59
IV.SSFR.HHZ. 2023-02-11T02:55:12.01 0.3 undecidable manual P 324 85.7475 93 -0.08 65
IV.GAVE.EHZ. 2023-02-11T02:55:12.40 0.6 undecidable manual S 252 44.5221 96 0.57 42
IV.CESI.HHE. 2023-02-11T02:55:12.64 0.3 undecidable manual S 297 46.4202 96 0.3 67
IV.ARVD.HHZ. 2023-02-11T02:55:11.80 0.3 undecidable manual P 333 84.8484 93 -0.14 64
IV.FOSV.EHZ. 2023-02-11T02:55:10.23 0.3 undecidable manual P 315 74.9694 93 -0.21 65
IV.ATCC.EHZ. 2023-02-11T02:55:10.28 0.3 undecidable manual P 303 74.9694 93 -0.15 65
IV.RM33.EHZ. 2023-02-11T02:55:10.56 0.3 undecidable manual S 206 37.7289 98 0.53 65
IV.FEMA.HNE. 2023-02-11T02:55:09.13 0.3 undecidable manual S 299 33.744 99 0.14 71
IV.CSP1.EHZ. 2023-02-11T02:55:09.24 0.1 undecidable manual S 331 35.0427 99 -0.08 96
IV.T0110.HHZ. 2023-02-11T02:55:09.93 0.3 undecidable manual P 155 71.4729 93 0.04 68
IV.SAP2.EHE. 2023-02-11T02:55:09.19 0.1 undecidable manual S 358 31.1466 101 0.88 74
IV.FDMO.HHZ. 2023-02-11T02:55:09.38 0.1 undecidable manual S 313 36.1416 98 -0.23 92
IV.CESX.HHZ. 2023-02-11T02:55:09.66 0.3 undecidable manual P 251 71.2731 93 -0.2 65
IV.MOMA.HHZ. 2023-02-11T02:55:09.46 0.1 undecidable manual P 269 68.6757 94 -0.01 91
IV.CING.HHZ. 2023-02-11T02:55:08.57 0.1 undecidable manual P 344 64.5909 94 -0.26 87
IV.EL6.EHZ. 2023-02-11T02:55:08.18 0.1 undecidable manual P 336 62.3931 94 -0.31 87
IV.FAGN.HHZ. 2023-02-11T02:55:08.43 0.6 undecidable manual P 167 62.5929 94 -0.09 45
IV.FIAM.HHZ. 2023-02-11T02:55:08.94 0.1 undecidable manual P 202 65.3901 94 -0.02 91
IV.CAMP.HHZ. 2023-02-11T02:55:08.51 0.1 undecidable manual S 181 31.0467 101 0.23 93
IV.SNTG.HHZ. 2023-02-11T02:55:08.16 0.3 undecidable manual P 322 62.0934 94 -0.28 65
IV.VCEL.EHZ. 2023-02-11T02:55:07.95 0.3 positive manual P 143 58.2972 94 0.09 68
IV.TERO.HHZ. 2023-02-11T02:55:07.28 0.3 undecidable manual S 144 26.4513 104 0.22 71
IV.GUMA.HHZ. 2023-02-11T02:55:07.86 0.1 undecidable manual S 347 28.1496 102 0.35 91
IV.ARRO.EHZ. 2023-02-11T02:55:07.82 0.3 undecidable manual P 244 58.9965 94 -0.16 67
IV.MML1.EHZ. 2023-02-11T02:55:06.16 0.1 undecidable manual P 313 48.8178 95 -0.25 90
IV.NRCA.HNZ. 2023-02-11T02:55:06.56 0.1 undecidable manual S 275 24.4533 106 0 98
IV.SEF1.HNN. 2023-02-11T02:55:06.83 0.1 undecidable manual P 314 52.7028 95 -0.18 90
MN.AQU.HNN. 2023-02-11T02:55:06.69 0.3 undecidable manual P 181 51.2154 95 -0.09 69
IV.MF5.EHZ. 2023-02-11T02:55:05.62 0.3 undecidable manual S 11 19.4694 113 0.33 69
IV.GIGS.HHZ. 2023-02-11T02:55:05.14 0.3 undecidable manual P 162 42.2244 97 -0.26 68
IV.CESI.HHE. 2023-02-11T02:55:05.91 0.1 undecidable manual P 297 46.4202 96 -0.13 92
IV.MC2.EHZ. 2023-02-11T02:55:05.93 0.1 undecidable manual S 300 21.1677 110 0.21 95
IV.GAVE.EHZ. 2023-02-11T02:55:05.69 0.1 undecidable manual P 252 44.5221 96 -0.06 94
IV.SMA1.EHZ. 2023-02-11T02:55:05.88 0.1 undecidable manual S 197 21.5673 109 0.07 98
IV.MDAR.HNN. 2023-02-11T02:55:05.82 0.3 undecidable manual P 332 47.2194 96 -0.35 66
IV.MNTT.EHZ. 2023-02-11T02:55:04.16 0.1 undecidable manual P 28 31.0467 101 0.47 88
IV.RM33.EHZ. 2023-02-11T02:55:04.83 0.3 undecidable manual P 206 37.7289 98 0.12 71
7F.SIB1.EHZ. 2023-02-11T02:55:04.14 0.1 undecidable manual S 307 14.6742 123 -0.01 100
IV.FEMA.HNE. 2023-02-11T02:55:04.03 0.1 undecidable manual P 299 33.744 99 -0.08 96
IV.CSP1.EHZ. 2023-02-11T02:55:04.00 0.1 undecidable manual P 331 35.0427 99 -0.3 91
IV.LNSS.HHZ. 2023-02-11T02:55:04.84 0.1 undecidable manual P 232 38.5281 98 0 96
IV.PF6.EHN. 2023-02-11T02:55:04.70 0.1 undecidable manual P 334 39.9267 97 -0.35 89
IV.MNTP.HNZ. 2023-02-11T02:55:04.59 0.3 undecidable manual P 7 35.9418 98 0.15 70
IT.MTCL.HGZ. 2023-02-11T02:55:04.66 0.1 undecidable manual P 301 39.0276 97 -0.26 91
IV.FDMO.HHZ. 2023-02-11T02:55:04.14 0.1 undecidable manual P 313 36.1416 98 -0.33 90
IV.GUMA.HHZ. 2023-02-11T02:55:03.26 0.1 undecidable manual P 347 28.1496 102 0 98
IV.CAMP.HHZ. 2023-02-11T02:55:03.67 0.1 undecidable manual P 181 31.0467 101 -0.03 97
IV.ASCOL.HNZ. 2023-02-11T02:55:03.94 0.3 undecidable manual S 75 14.7741 123 -0.25 71
IV.MMO1.EHZ. 2023-02-11T02:55:03.36 0.1 undecidable manual S 323 11.6772 131 -0.17 97
7F.SIB3.EHZ. 2023-02-11T02:55:03.70 0.3 undecidable manual S 299 13.4754 126 -0.19 72
IV.SAP2.EHE. 2023-02-11T02:55:03.93 0.1 undecidable manual P 358 31.1466 101 0.21 93
7F.SIB2.EHZ. 2023-02-11T02:55:03.34 0.3 undecidable manual S 313 12.2766 130 -0.3 71
IV.MC2.EHZ. 2023-02-11T02:55:02.21 0.1 undecidable manual P 300 21.1677 110 -0.01 99
IV.MTRA.EHZ. 2023-02-11T02:55:02.69 0.3 undecidable manual S 192 6.6933 150 0.01 76
IV.SMA1.EHZ. 2023-02-11T02:55:02.40 0.1 undecidable manual P 197 21.5673 109 0.12 97
IV.MF5.EHZ. 2023-02-11T02:55:02.17 0.1 undecidable manual P 11 19.4694 113 0.19 95
IV.NRCA.HNZ. 2023-02-11T02:55:02.60 0.1 undecidable manual P 275 24.4533 106 -0.11 96
IV.TERO.HHZ. 2023-02-11T02:55:02.87 0.1 undecidable manual P 144 26.4513 104 -0.13 96
IV.ASCOL.HNZ. 2023-02-11T02:55:01.22 0.1 undecidable manual P 75 14.7741 123 -0.12 98
7F.SIB1.EHZ. 2023-02-11T02:55:01.39 0.1 undecidable manual P 307 14.6742 123 0.07 99
7F.SIB3.EHZ. 2023-02-11T02:55:01.13 0.1 undecidable manual P 299 13.4754 126 -0.04 100
7F.SIB2.EHZ. 2023-02-11T02:55:00.92 0.3 undecidable manual P 313 12.2766 130 -0.1 74
IV.MTRA.EHZ. 2023-02-11T02:55:00.63 0.1 undecidable manual P 192 6.6933 150 0.16 99
IV.MMO1.EHZ. 2023-02-11T02:55:00.89 0.1 undecidable manual P 323 11.6772 131 -0.07 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:2.4 0.0027350000000000005 1.32 AML other m 2023-02-11T02:55:02.94
IV.MTRA.EHN. ML:2.4 0.00271 0.06 AML other m 2023-02-11T02:55:02.94
IV.MTRA.HNE. ML:2.6 0.004455 1.82 AML other m 2023-02-11T02:55:03.04
IV.MTRA.EHE. ML:2.6 0.004345000000000001 1.82 AML other m 2023-02-11T02:55:03.04
IV.MMO1.EHE. ML:2.4 0.002325 0.28 AML other m 2023-02-11T02:55:03.51
IV.MMO1.EHN. ML:2.4 0.002585 1.76 AML other m 2023-02-11T02:55:04.92
IV.SMA1.EHN. ML:2.4 0.0017050000000000001 0.48 AML other m 2023-02-11T02:55:06.54
IV.SMA1.EHE. ML:2.4 0.0016400000000000002 0.12 AML other m 2023-02-11T02:55:06.34
IV.TERO.HNE. ML:2.2 0.0007575 0.3 AML other m 2023-02-11T02:55:07.57
IV.GUMA.HHE. ML:2.4 0.0013 0.24 AML other m 2023-02-11T02:55:08.15
IV.TERO.HHN. ML:2.1 0.000617 0.86 AML other m 2023-02-11T02:55:08.51
IV.TERO.HNN. ML:2.1 0.0006594999999999999 0.36 AML other m 2023-02-11T02:55:08.52
IV.TERO.HHE. ML:2.0 0.00055 0.36 AML other m 2023-02-11T02:55:08.33
IV.GUMA.HNE. ML:2.3 0.0010355000000000002 1.04 AML other m 2023-02-11T02:55:08.70
IV.GUMA.HNN. ML:2.3 0.001089 0.42 AML other m 2023-02-11T02:55:09.52
IV.GUMA.HHN. ML:2.3 0.0009335 0.44 AML other m 2023-02-11T02:55:09.54
IV.FDMO.HHE. ML:2.1 0.000533 0.2 AML other m 2023-02-11T02:55:09.65
IV.MNTT.EHE. ML:2.3 0.0009094999999999999 0.28 AML other m 2023-02-11T02:55:10.15
IV.FDMO.HHN. ML:2.1 0.0004435 0.48 AML other m 2023-02-11T02:55:10.50
IV.RM33.EHN. ML:2.2 0.0005075 1.44 AML other m 2023-02-11T02:55:10.72
IV.LNSS.HHE. ML:2.3 0.0007019999999999999 1.6 AML other m 2023-02-11T02:55:10.15
IV.RM33.EHE. ML:2.0 0.0003765 0.26 AML other m 2023-02-11T02:55:11.21
IV.LNSS.HNE. ML:2.3 0.0007030000000000001 0.96 AML other m 2023-02-11T02:55:11.64
IV.LNSS.HHN. ML:2.3 0.0007104999999999999 1.08 AML other m 2023-02-11T02:55:11.11
IV.LNSS.HNN. ML:2.2 0.0006325 0.2 AML other m 2023-02-11T02:55:12.11
IV.MNTT.EHN. ML:2.3 0.0008904999999999999 1.72 AML other m 2023-02-11T02:55:13.86
IV.GAVE.EHN. ML:2.2 0.000498 0.36 AML other m 2023-02-11T02:55:13.46
IV.MML1.HNE. ML:2.1 0.00031800000000000003 0.28 AML other m 2023-02-11T02:55:13.61
IV.MML1.EHE. ML:2.1 0.00032250000000000003 0.52 AML other m 2023-02-11T02:55:13.62
IV.GAVE.EHE. ML:2.4 0.000708 0.72 AML other m 2023-02-11T02:55:14.50
IV.MML1.HNN. ML:2.3 0.0005074999999999999 0.16 AML other m 2023-02-11T02:55:14.51
IV.MML1.EHN. ML:2.3 0.0005155000000000001 0.14 AML other m 2023-02-11T02:55:14.52
IV.SNTG.HHE. ML:1.9 0.000152 1.22 AML other m 2023-02-11T02:55:17.96
IV.SNTG.HHN. ML:2.1 0.00023500000000000002 0.76 AML other m 2023-02-11T02:55:18.02
IV.EL6.EHN. ML:2.3 0.00038500000000000003 1.46 AML other m 2023-02-11T02:55:18.16
IV.EL6.EHE. ML:2.4 0.0004885 1.52 AML other m 2023-02-11T02:55:19.10
IV.FAGN.HHE. ML:2.0 0.0001835 0.24 AML other m 2023-02-11T02:55:20.72
IV.FOSV.EHN. ML:2.4 0.00033850000000000004 0.24 AML other m 2023-02-11T02:55:21.23
IV.FOSV.EHE. ML:2.2 0.00022749999999999997 1.06 AML other m 2023-02-11T02:55:21.58
IV.ATCC.EHN. ML:2.0 0.000144 0.7 AML other m 2023-02-11T02:55:21.35
IV.FAGN.HHN. ML:2.0 0.000206 0.46 AML other m 2023-02-11T02:55:21.99
IV.T0110.HHN. ML:1.9 0.0001315 1.68 AML other m 2023-02-11T02:55:21.03
IV.ATCC.EHE. ML:2.1 0.000184 0.42 AML other m 2023-02-11T02:55:22.26
IV.T0110.HHE. ML:2.1 0.0002165 0.38 AML other m 2023-02-11T02:55:22.34
IV.FRON.EHN. ML:2.0 0.00011475000000000001 0.38 AML other m 2023-02-11T02:55:27.57
IV.FRON.EHE. ML:1.8 0.0000642 0.52 AML other m 2023-02-11T02:55:28.07
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