Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 11-08-2022 and time 09:52:32 (UTC) in region 4 km S Acquasanta Terme (AP)

A magnitude ML 2.1 earthquake occured in region: 4 km S Acquasanta Terme (AP), on

  • 11-08-2022 09:52:32 (UTC)
  • 11-08-2022 11:52:32 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7360, 13.4040 at 11 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 4 2916 2916
Valle Castellana TE 8 977 3893
Arquata del Tronto AP 10 1178 5071
Rocca Santa Maria TE 12 537 5608
Montegallo AP 13 523 6131
Accumoli RI 13 667 6798
Amatrice RI 15 2657 9455
Cortino TE 15 656 10111
Roccafluvione AP 15 2010 12121
Venarotta AP 18 2066 14187
Palmiano AP 19 196 14383
Montemonaco AP 19 604 14987
Ascoli Piceno AP 19 49407 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)
92 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
Bulletin
Rev1000 		ML 2.1 2022-08-11
09:52:32		 42.7357 13.4038 11 2023-01-31
19:03:46		 Bollettino Sismico Italiano INGV 109953441
Reviewed
Rev100 		ML 2.3 2022-08-11
09:52:32		 42.7368 13.3958 15 2022-08-11
10:00:42		 Sala Sismica INGV-Roma 108403901
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-08-11 09:52:32 ± 0.05
Latitude 42.7357 ± 0.0027
Longitude 13.4038 ± 0.0061
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 109953441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 473
Semi-minor axis of confidence ellipse (meter) 108
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 72
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) 81
Number of associated phases, regardless of their use for origin computation 75
Number of defining phases 71
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) 0.02158
Epicentral distance of station farthest from the epicenter (degree) 1.01533
Number of stations at which the event was observed 47
Number of stations from which data was used for origin computation 43
Magnitudes information

ML:2.3

Field Value
Value 2.3
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 108403901
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-08-11 10:00:42

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 60
Type of magnitude ML
Reference to an origin 109953441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2022-09-21 08:11:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FOSV.HNE. 2022-08-11T09:52:57.16 0.6 undecidable manual S 320 81.0522 50 0.28 42
IV.ATPC.HHE. 2022-08-11T09:52:55.30 3.0 undecidable manual P 112.6983 3.76 0
IV.CING.HHZ. 2022-08-11T09:52:55.45 0.3 undecidable manual S 347 72.9714 50 0.72 56
IV.MOMA.HHZ. 2022-08-11T09:52:54.43 0.6 undecidable manual S 277 68.2761 50 0.94 34
IV.SNTG.HHZ. 2022-08-11T09:52:54.35 0.6 undecidable manual S 327 68.7756 50 0.74 38
IV.EL6.EHZ. 2022-08-11T09:52:54.60 0.6 undecidable manual S 340 70.2741 50 0.6 40
IV.ASSB.HHN. 2022-08-11T09:52:54.22 0.6 undecidable manual S 300 69.4749 50 0.42 42
IV.VVLD.HHZ. 2022-08-11T09:52:52.09 3.0 undecidable manual P 97.7244 2.86 0
IV.ATLO.EHE. 2022-08-11T09:52:51.90 3.0 undecidable manual P 103.2189 1.82 0
IV.ATVA.EHE. 2022-08-11T09:52:51.21 0.6 undecidable manual P 304 108.9132 50 0.26 40
IV.LPEL.HHE. 2022-08-11T09:52:51.89 3.0 undecidable manual P 99.6225 2.38 0
IV.MPAG.EHZ. 2022-08-11T09:52:51.58 0.6 undecidable manual P 332 111.999 50 0.16 41
IV.FIAM.HHZ. 2022-08-11T09:52:50.69 0.6 undecidable manual S 204 56.8986 50 0.25 45
IV.FRON.EHZ. 2022-08-11T09:52:49.87 0.6 undecidable manual P 328 102.6195 50 -0.11 42
IV.MML1.EHZ. 2022-08-11T09:52:49.59 0.6 undecidable manual S 320 54.7008 50 -0.25 44
IV.MURB.HHZ. 2022-08-11T09:52:48.23 0.6 undecidable manual P 310 92.241 50 -0.15 42
IV.INTR.HHZ. 2022-08-11T09:52:48.23 0.6 undecidable manual P 153 90.243 50 0.17 42
IV.ATSC.EHE. 2022-08-11T09:52:48.73 0.6 undecidable manual P 323 95.9262 50 -0.22 41
IV.ARVD.HHZ. 2022-08-11T09:52:48.79 0.6 undecidable manual P 336 92.4408 50 0.37 40
IV.CESI.HHZ. 2022-08-11T09:52:48.80 0.6 undecidable manual S 307 50.4162 50 0.1 46
IV.PF6.EHN. 2022-08-11T09:52:47.94 0.6 undecidable manual S 339 47.7189 50 -0.05 47
IT.MTCL.HGZ. 2022-08-11T09:52:46.69 0.6 undecidable manual S 311 43.623 50 -0.2 46
IV.FOSV.HNE. 2022-08-11T09:52:46.37 0.6 undecidable manual P 320 81.0522 50 -0.28 42
IV.FDMO.HHZ. 2022-08-11T09:52:46.26 0.6 undecidable manual S 322 42.1245 50 -0.23 46
IV.CSP1.EHZ. 2022-08-11T09:52:46.38 0.6 undecidable manual S 338 42.7239 50 -0.27 45
IV.ATCC.EHZ. 2022-08-11T09:52:46.21 0.6 undecidable manual P 309 79.5648 50 -0.21 43
IV.SAP2.EHZ. 2022-08-11T09:52:46.65 0.6 undecidable manual S 359 40.0266 50 0.71 40
IV.GAVE.EHN. 2022-08-11T09:52:46.81 0.6 undecidable manual S 264 41.8248 50 0.4 44
IV.GUMA.HHZ. 2022-08-11T09:52:45.44 0.6 undecidable manual S 351 36.741 50 0.39 45
IV.FEMA.HNE. 2022-08-11T09:52:45.75 0.6 undecidable manual S 311 38.2284 50 0.3 46
IV.CING.HHZ. 2022-08-11T09:52:45.01 0.3 undecidable manual P 347 72.9714 50 -0.4 63
IV.EL6.EHZ. 2022-08-11T09:52:44.59 0.3 undecidable manual P 340 70.2741 50 -0.4 63
IV.ASSB.HHN. 2022-08-11T09:52:44.53 0.3 undecidable manual P 300 69.4749 50 -0.34 64
IV.GIGS.HHZ. 2022-08-11T09:52:44.34 0.6 undecidable manual S 156 34.2435 50 -0.05 48
IV.MOMA.HHZ. 2022-08-11T09:52:44.72 0.6 undecidable manual P 277 68.2761 50 0.03 46
IV.SNTG.HHZ. 2022-08-11T09:52:44.29 0.3 undecidable manual P 327 68.7756 50 -0.47 62
IV.T0110.HHZ. 2022-08-11T09:52:43.81 0.6 undecidable manual P 151 63.8916 50 -0.2 44
IV.MF5.EHZ. 2022-08-11T09:52:43.20 0.6 undecidable manual S 9 28.3494 50 0.39 46
IV.RM33.EHZ. 2022-08-11T09:52:43.50 0.3 undecidable manual S 212 29.5482 50 0.37 68
IV.MML1.EHZ. 2022-08-11T09:52:42.15 0.3 undecidable manual P 320 54.7008 50 -0.44 64
IV.FIAM.HHZ. 2022-08-11T09:52:42.68 0.6 undecidable manual P 204 56.8986 50 -0.26 44
IV.VCEL.EHZ. 2022-08-11T09:52:42.19 0.6 undecidable manual P 137 52.0035 50 0.01 47
IV.MC2.EHZ. 2022-08-11T09:52:42.27 0.6 undecidable manual S 318 26.1516 50 0.03 49
IV.ARRO.EHE. 2022-08-11T09:52:42.51 0.6 undecidable manual P 252 54.9006 50 -0.11 46
IV.CESI.HHZ. 2022-08-11T09:52:41.59 0.3 undecidable manual P 307 50.4162 50 -0.34 66
IV.NRCA.HHZ. 2022-08-11T09:52:41.97 0.6 undecidable manual S 295 25.9518 50 -0.21 47
IV.CAMP.HHZ. 2022-08-11T09:52:41.40 0.6 undecidable manual S 179 22.1556 50 0.23 48
IV.MMO1.EHZ. 2022-08-11T09:52:40.44 0.6 undecidable manual S 341 19.1697 119 0.16 48
IV.SAP2.EHZ. 2022-08-11T09:52:40.35 0.6 undecidable manual P 359 40.0266 50 0.02 48
IV.GAVE.EHN. 2022-08-11T09:52:40.61 0.6 undecidable manual P 264 41.8248 50 0 48
IV.PF6.EHN. 2022-08-11T09:52:40.99 0.3 undecidable manual P 339 47.7189 50 -0.53 63
IV.TERO.HHZ. 2022-08-11T09:52:40.63 0.6 undecidable manual S 127 20.5683 117 -0.07 49
IT.MTCL.HGZ. 2022-08-11T09:52:40.49 0.1 positive manual P 311 43.623 50 -0.4 88
MN.AQU.HHE. 2022-08-11T09:52:40.95 0.6 undecidable manual P 180 42.3243 50 0.26 46
7F.SIB2.EHZ. 2022-08-11T09:52:40.27 0.6 undecidable manual S 335 19.0698 119 0.03 49
7F.SIB1.EHZ. 2022-08-11T09:52:40.77 0.6 undecidable manual S 328 20.7681 117 0.02 49
IV.FDMO.HHZ. 2022-08-11T09:52:40.17 0.3 undecidable manual P 322 42.1245 50 -0.48 65
IV.MNTT.EHZ. 2022-08-11T09:52:40.40 0.6 undecidable manual P 23 39.4272 50 0.16 47
7F.SIB3.EHZ. 2022-08-11T09:52:40.25 0.3 undecidable manual S 325 18.87 119 0.06 74
IV.CSP1.EHZ. 2022-08-11T09:52:40.38 0.3 undecidable manual P 338 42.7239 50 -0.36 67
IV.GUMA.HHZ. 2022-08-11T09:52:39.80 0.1 positive manual P 351 36.741 50 -0.02 97
IV.FEMA.HNE. 2022-08-11T09:52:39.74 0.6 undecidable manual P 311 38.2284 50 -0.31 45
IV.GIGS.HHZ. 2022-08-11T09:52:39.13 0.3 undecidable manual P 156 34.2435 50 -0.31 68
IV.OFFI.HHZ. 2022-08-11T09:52:39.49 0.6 undecidable manual P 46 31.8459 50 0.42 45
IV.MF5.EHZ. 2022-08-11T09:52:38.58 0.1 positive manual P 9 28.3494 50 0.05 98
IV.RM33.EHZ. 2022-08-11T09:52:38.76 0.1 positive manual P 212 29.5482 50 0.05 97
IV.NRCA.HHZ. 2022-08-11T09:52:38.01 0.3 undecidable manual P 295 25.9518 50 -0.15 72
IV.MC2.EHZ. 2022-08-11T09:52:38.15 0.3 undecidable manual P 318 26.1516 50 -0.05 73
7F.SIB1.EHZ. 2022-08-11T09:52:37.34 0.1 positive manual P 328 20.7681 117 0 99
7F.SIB3.EHZ. 2022-08-11T09:52:37.00 0.1 positive manual P 325 18.87 119 -0.01 100
IV.CAMP.HHZ. 2022-08-11T09:52:37.67 0.1 positive manual P 179 22.1556 50 0.09 98
IV.MMO1.EHZ. 2022-08-11T09:52:37.04 0.1 positive manual P 341 19.1697 119 -0.03 100
IV.TERO.HHZ. 2022-08-11T09:52:37.30 0.3 undecidable manual P 127 20.5683 117 -0.01 75
7F.SIB2.EHZ. 2022-08-11T09:52:36.97 0.3 undecidable manual P 335 19.0698 119 -0.07 74
IV.MTRA.HNZ. 2022-08-11T09:52:35.70 0.3 undecidable manual P 346 2.3976 167 0.86 59
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:2.6 0.0075924625 0.0896 AML other m 2022-08-11T09:52:37.95
IV.MTRA.EHN. ML:2.6 0.0076454750000000005 0.096 AML other m 2022-08-11T09:52:37.95
IV.MTRA.EHE. ML:2.6 0.0065154390000000005 0.1408 AML other m 2022-08-11T09:52:37.94
IV.MTRA.HNE. ML:2.6 0.0065363675 0.128 AML other m 2022-08-11T09:52:37.94
IV.TERO.HNN. ML:2.1 0.0008907698 0.1728 AML other m 2022-08-11T09:52:41.15
IV.TERO.HNE. ML:2.2 0.0011534715000000003 0.1472 AML other m 2022-08-11T09:52:41.12
IV.TERO.HHE. ML:2.2 0.0011931064 0.1024 AML other m 2022-08-11T09:52:41.12
IV.MMO1.EHN. ML:1.9 0.0006551280500000001 0.1792 AML other m 2022-08-11T09:52:41.78
IV.NRCA.HHN. ML:2.6 0.0024100000000000002 0.16 AML other m 2022-08-11T09:52:42.48
IV.NRCA.HNN. ML:2.6 0.002291498 0.16 AML other m 2022-08-11T09:52:42.48
IV.NRCA.HHE. ML:2.4 0.0015030085499999999 0.064 AML other m 2022-08-11T09:52:42.42
IV.NRCA.HNE. ML:2.4 0.0012593247999999999 0.0576 AML other m 2022-08-11T09:52:42.42
IV.MMO1.EHE. ML:1.9 0.0005789785 0.1216 AML other m 2022-08-11T09:52:41.15
IV.RM33.HNN. ML:2.2 0.00073704835 0.1728 AML other m 2022-08-11T09:52:43.67
IV.RM33.EHN. ML:2.2 0.0007203803 0.16 AML other m 2022-08-11T09:52:43.68
IV.RM33.EHE. ML:2.2 0.0007370429 0.16 AML other m 2022-08-11T09:52:44.05
IV.RM33.HNE. ML:2.2 0.00074675505 0.1664 AML other m 2022-08-11T09:52:44.05
IV.GIGS.HHN. ML:1.9 0.00030961795 0.2176 AML other m 2022-08-11T09:52:44.63
IV.GIGS.HHE. ML:1.7 0.0002535 0.44 AML other m 2022-08-11T09:52:45.92
IV.OFFI.HHN. ML:2.2 0.0007872274500000001 0.2176 AML other m 2022-08-11T09:52:46.35
IT.MTCL.HGN. ML:4.1 0.038149999999999996 0.06 AML other m 2022-08-11T09:52:46.80
IV.CSP1.EHN. ML:2.6 0.0012999589999999998 0.224 AML other m 2022-08-11T09:52:46.79
IT.MTCL.HGE. ML:4.1 0.037191985000000004 0.064 AML other m 2022-08-11T09:52:46.96
IV.FDMO.HHN. ML:2.2 0.0004995 0.2 AML other m 2022-08-11T09:52:47.18
IV.CSP1.EHE. ML:2.6 0.0012605 0.26 AML other m 2022-08-11T09:52:47.34
IV.SAP2.EHN. ML:3.1 0.003974999999999999 0.26 AML other m 2022-08-11T09:52:47.68
IV.SAP2.EHE. ML:2.4 0.0009055 1.18 AML other m 2022-08-11T09:52:47.76
IV.FDMO.HHE. ML:2.0 0.00029667699999999997 0.16 AML other m 2022-08-11T09:52:48.03
IV.OFFI.HHE. ML:2.2 0.0008108874000000001 0.1984 AML other m 2022-08-11T09:52:47.52
IV.CESI.HHN. ML:2.2 0.00040267450000000006 0.1408 AML other m 2022-08-11T09:52:49.98
IV.CESI.HHE. ML:1.9 0.00021434910000000002 0.1216 AML other m 2022-08-11T09:52:49.51
IV.MML1.EHE. ML:1.9 0.0001815 0.16 AML other m 2022-08-11T09:52:50.61
IV.MML1.EHN. ML:2.0 0.000243 1.84 AML other m 2022-08-11T09:52:50.05
IV.FIAM.HHN. ML:1.9 0.000175 1.68 AML other m 2022-08-11T09:52:51.06
IV.FIAM.HHE. ML:1.7 0.000114981265 0.2816 AML other m 2022-08-11T09:52:52.76
IV.MML1.HNN. ML:2.0 0.0002525 0.98 AML other m 2022-08-11T09:52:51.05
IV.MML1.HNE. ML:1.9 0.0001773622 0.1536 AML other m 2022-08-11T09:52:50.68
IV.EL6.EHN. ML:2.3 0.00033062200000000003 0.32 AML other m 2022-08-11T09:52:59.12
IV.MOMA.HHE. ML:1.9 0.0001301563 0.1408 AML other m 2022-08-11T09:52:55.20
IV.SNTG.HHE. ML:1.8 0.00010217093999999999 0.1408 AML other m 2022-08-11T09:52:55.07
IV.SNTG.HHN. ML:1.8 0.000111223815 0.16 AML other m 2022-08-11T09:52:55.01
IV.EL6.EHE. ML:2.5 0.0005935 0.2 AML other m 2022-08-11T09:52:55.73
IV.T0110.HHN. ML:2.3 0.0004035 1.64 AML other m 2022-08-11T09:52:55.03
IV.CING.HHE. ML:2.4 0.0003785 0.4 AML other m 2022-08-11T09:52:55.98
IV.MOMA.HHN. ML:1.8 0.00012066661 0.3008 AML other m 2022-08-11T09:52:56.07
IV.CING.HHN. ML:2.2 0.00022662260000000001 0.16 AML other m 2022-08-11T09:52:55.90
IV.T0110.HHE. ML:2.3 0.000404 0.28 AML other m 2022-08-11T09:52:57.37
IV.ATCC.EHE. ML:1.9 0.00012212536 0.256 AML other m 2022-08-11T09:52:59.05
IV.INTR.HHN. ML:2.1 0.00013711849999999996 0.5184 AML other m 2022-08-11T09:53:02.26
IV.ARVD.HHE. ML:1.9 0.00008635000000000001 0.18 AML other m 2022-08-11T09:53:02.26
IV.MURB.HHE. ML:2.3 0.000212 0.26 AML other m 2022-08-11T09:53:02.60
IV.INTR.HHE. ML:1.9 0.000095461735 0.4032 AML other m 2022-08-11T09:53:03.32
IV.ARVD.HHN. ML:1.8 0.000071 0.8 AML other m 2022-08-11T09:53:03.33
IV.CESI.HNE. ML:1.9 0.00022217244 0.1664 AML other m 2022-08-11T09:52:49.52
IV.CESI.HNN. ML:2.2 0.00036680255000000003 0.1408 AML other m 2022-08-11T09:52:49.98
IV.SNTG.HNE. ML:1.8 0.00010891563500000001 0.128 AML other m 2022-08-11T09:52:55.07
IV.SNTG.HNN. ML:1.9 0.00012801524 0.2624 AML other m 2022-08-11T09:52:56.56
IV.MOMA.HNE. ML:1.9 0.00013583382 0.3712 AML other m 2022-08-11T09:52:59.07
IV.MOMA.HNN. ML:1.9 0.000128267465 0.5184 AML other m 2022-08-11T09:52:58.58
IV.MURB.HNE. ML:2.3 0.00023896245 0.2496 AML other m 2022-08-11T09:53:02.61
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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