Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.2 on date 25-08-2019 and time 09:42:47 (Italy) in region 5 km NW Acquasanta Terme (AP)

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

  • 25-08-2019 07:42:47 (UTC)
  • 25-08-2019 09:42:47 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8130, 13.3910 at 24 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 6 523 3439
Arquata del Tronto AP 9 1178 4617
Roccafluvione AP 9 2010 6627
Montemonaco AP 11 604 7231
Palmiano AP 11 196 7427
Venarotta AP 11 2066 9493
Valle Castellana TE 12 977 10470
Montefortino FM 15 1178 11648
Ascoli Piceno AP 16 49407 61055
Comunanza AP 16 3166 64221
Accumoli RI 18 667 64888
Rocca Santa Maria TE 18 537 65425
Force AP 19 1354 66779
Amandola FM 19 3629 70408
Folignano AP 20 9241 79649

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km NW of Teramo (54892 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
58 Km E of Foligno (57155 inhabitants)
67 Km E of Terni (111501 inhabitants)
70 Km W of Montesilvano (53738 inhabitants)
78 Km NW of Pescara (121014 inhabitants)
82 Km NW of Chieti (51815 inhabitants)
88 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 2019-08-25
07:42:47		 42.8132 13.3912 24 2019-11-13
14:31:08		 Bollettino Sismico Italiano INGV 73574731
Reviewed
Rev100 		ML 2.2 2019-08-25
07:42:47		 42.8117 13.3845 23 2019-08-25
07:50:50		 Sala Sismica INGV-Roma 71788221
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-25 07:42:47 ± 0.1
Latitude 42.8132 ± 0.0027
Longitude 13.3912 ± 0.0061
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 73574731

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 468
Semi-minor axis of confidence ellipse (meter) 88
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 251
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) 60
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 49
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.05666
Epicentral distance of station farthest from the epicenter (degree) 0.85526
Number of stations at which the event was observed 29
Number of stations from which data was used for origin computation 29
Magnitudes information

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 73574731
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-01 16:55:38

ML:2.2

Field Value
Value 2.2
Uncertainty 0.3
Num. used stations 62
Type of magnitude ML
Reference to an origin 71788221
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-25 07:50:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIAM.HHZ. 2019-08-25T07:43:08.49 0.6 undecidable manual S 200 64.491 104 0.59 40
IV.ASSB.HHZ. 2019-08-25T07:43:08.72 0.6 undecidable manual S 293 64.6908 104 0.76 37
IV.VCEL.EHZ. 2019-08-25T07:43:07.26 0.3 undecidable manual S 142 59.1963 105 0.73 59
IV.FRON.EHZ. 2019-08-25T07:43:04.75 0.3 undecidable manual P 326 94.9383 99 0.73 54
IV.GAVE.EHZ. 2019-08-25T07:43:03.14 0.6 undecidable manual S 252 42.624 112 0.81 38
IV.GIGS.HHZ. 2019-08-25T07:43:02.32 0.3 undecidable manual S 160 42.624 112 0 73
IV.ARVD.HHZ. 2019-08-25T07:43:02.36 0.3 undecidable manual P 335 84.249 100 -0.04 67
IV.PF6.EHN. 2019-08-25T07:43:01.39 0.6 undecidable manual S 336 39.4272 114 -0.15 48
IV.RM33.EHZ. 2019-08-25T07:43:01.05 0.3 undecidable manual S 203 36.6411 116 0.17 71
IV.LNSS.HHZ. 2019-08-25T07:43:01.13 0.3 undecidable manual S 231 36.9297 116 0.2 70
IV.MNTT.EHZ. 2019-08-25T07:43:00.85 0.6 undecidable manual S 31 32.2455 119 1.03 36
IV.T0110.HHZ. 2019-08-25T07:43:00.36 0.3 undecidable manual P 154 71.9724 102 -0.19 66
IV.FEMA.HNE. 2019-08-25T07:43:00.22 0.6 undecidable manual S 301 32.2455 119 0.38 46
IV.CSP1.EHZ. 2019-08-25T07:43:00.31 0.3 undecidable manual S 334 34.4433 118 -0.03 74
IV.ATCC.EHZ. 2019-08-25T07:43:00.61 0.1 undecidable manual P 304 73.5708 102 -0.18 89
IV.ASSB.HHZ. 2019-08-25T07:42:59.20 0.1 undecidable manual P 293 64.6908 104 -0.25 89
IV.GUMA.HHZ. 2019-08-25T07:42:59.05 0.3 undecidable manual S 351 28.0497 124 0.17 72
IV.SAP2.EHZ. 2019-08-25T07:42:59.95 0.3 undecidable manual S 1 31.4463 120 0.3 70
IV.FIAM.HHZ. 2019-08-25T07:42:59.28 0.1 undecidable manual P 200 64.491 104 -0.14 91
IV.CAMP.HHZ. 2019-08-25T07:42:59.52 0.3 undecidable manual S 177 30.747 121 0.03 74
IV.MOMA.HHZ. 2019-08-25T07:42:59.79 0.3 undecidable manual P 269 66.7776 103 0.02 69
IV.TERO.HHZ. 2019-08-25T07:42:58.87 0.3 undecidable manual S 141 27.3504 125 0.16 73
IV.VCEL.EHZ. 2019-08-25T07:42:58.56 0.3 undecidable manual P 142 59.1963 105 -0.07 70
IV.FAGN.HHZ. 2019-08-25T07:42:58.79 0.3 undecidable manual P 165 62.6928 104 -0.37 65
IV.ARRO.EHZ. 2019-08-25T07:42:58.34 0.1 undecidable manual P 243 57.1983 106 0.01 94
IV.EL6.EHZ. 2019-08-25T07:42:58.74 0.3 undecidable manual P 338 61.8936 104 -0.29 67
IV.TRTR.HHZ. 2019-08-25T07:42:57.29 0.3 undecidable manual P 91 42.5241 112 1.1 52
IV.T1299.HNN. 2019-08-25T07:42:57.83 0.6 undecidable manual S 204 21.7671 132 0.29 47
IV.MF5.EHZ. 2019-08-25T07:42:57.04 0.6 undecidable manual S 16 20.1687 134 -0.19 48
IV.SMA1.EHZ. 2019-08-25T07:42:57.10 0.3 undecidable manual S 193 20.7681 133 -0.25 72
IV.NRCA.HNZ. 2019-08-25T07:42:57.76 0.6 undecidable manual S 276 22.6551 131 0.04 50
IV.GAVE.EHZ. 2019-08-25T07:42:56.18 0.1 undecidable manual P 252 42.624 112 -0.02 97
IV.RM33.EHZ. 2019-08-25T07:42:55.36 0.1 positive manual P 203 36.6411 116 0 98
IV.LNSS.HHZ. 2019-08-25T07:42:55.45 0.1 positive manual P 231 36.9297 116 0.06 97
IV.PF6.EHN. 2019-08-25T07:42:55.31 0.1 undecidable manual P 336 39.4272 114 -0.43 90
IV.GIGS.HHZ. 2019-08-25T07:42:55.85 0.1 undecidable manual P 160 42.624 112 -0.35 90
IV.CAMP.HHZ. 2019-08-25T07:42:54.40 0.1 positive manual P 177 30.747 121 -0.16 96
IV.MTRA.EHZ. 2019-08-25T07:42:54.89 0.3 undecidable manual S 176 6.2937 163 -0.38 72
IV.CSP1.EHZ. 2019-08-25T07:42:54.74 0.1 undecidable manual P 334 34.4433 118 -0.31 93
IV.MNTT.EHZ. 2019-08-25T07:42:54.90 0.1 undecidable manual P 31 32.2455 119 0.15 97
IV.SAP2.EHZ. 2019-08-25T07:42:54.86 0.3 undecidable manual P 1 31.4463 120 0.21 71
IV.FEMA.HNE. 2019-08-25T07:42:54.64 0.1 undecidable manual P 301 32.2455 119 -0.12 97
IV.SMA1.EHZ. 2019-08-25T07:42:53.24 0.1 undecidable manual P 193 20.7681 133 -0.08 100
IV.NRCA.HNZ. 2019-08-25T07:42:53.35 0.1 undecidable manual P 276 22.6551 131 -0.19 97
IV.TERO.HHZ. 2019-08-25T07:42:53.84 0.3 undecidable manual P 141 27.3504 125 -0.27 71
IV.T1299.HNN. 2019-08-25T07:42:53.48 0.1 undecidable manual P 204 21.7671 132 0.05 100
IV.MF5.EHZ. 2019-08-25T07:42:53.11 0.1 negative manual P 16 20.1687 134 -0.15 98
IV.GUMA.HHZ. 2019-08-25T07:42:53.99 0.1 undecidable manual P 351 28.0497 124 -0.22 96
IV.MTRA.EHZ. 2019-08-25T07:42:51.89 0.1 undecidable manual P 176 6.2937 163 -0.23 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:3.1 0.009015 0.08 AML other m 2019-08-25T07:42:55.07
IV.MTRA.EHN. ML:3.1 0.009055 0.08 AML other m 2019-08-25T07:42:55.07
IV.MTRA.EHE. ML:3.0 0.007724999999999999 0.08 AML other m 2019-08-25T07:42:55.10
IV.MTRA.HNE. ML:3.0 0.00761 0.08 AML other m 2019-08-25T07:42:55.10
IV.MF5.EHE. ML:2.1 0.0006485000000000001 0.38 AML other m 2019-08-25T07:42:57.56
IV.MF5.EHN. ML:2.3 0.0010075000000000001 0.32 AML other m 2019-08-25T07:42:57.40
IV.SMA1.EHN. ML:2.5 0.001745 1.16 AML other m 2019-08-25T07:42:57.66
IV.SMA1.EHE. ML:2.5 0.0015 0.1 AML other m 2019-08-25T07:42:57.76
IV.NRCA.HNE. ML:2.5 0.001375 0.74 AML other m 2019-08-25T07:42:58.40
IV.NRCA.HHN. ML:2.5 0.0016099999999999999 0.1 AML other m 2019-08-25T07:42:58.23
IV.NRCA.HNN. ML:2.5 0.0014449999999999999 0.08 AML other m 2019-08-25T07:42:58.23
IV.NRCA.HHE. ML:2.5 0.001355 0.08 AML other m 2019-08-25T07:42:58.40
IV.TERO.HHN. ML:2.1 0.0005825 1.74 AML other m 2019-08-25T07:42:59.02
IV.GUMA.HHE. ML:2.6 0.0014500000000000001 0.56 AML other m 2019-08-25T07:42:59.45
IV.TERO.HHE. ML:2.0 0.000462 0.54 AML other m 2019-08-25T07:42:59.36
IV.CAMP.HHE. ML:1.9 0.000284 0.48 AML other m 2019-08-25T07:42:59.72
IV.CAMP.HHN. ML:1.8 0.0002385 0.2 AML other m 2019-08-25T07:43:00.12
IV.SAP2.EHN. ML:2.6 0.001565 0.2 AML other m 2019-08-25T07:43:00.44
IV.CSP1.EHN. ML:2.4 0.0009415 0.38 AML other m 2019-08-25T07:43:00.77
IV.CSP1.EHE. ML:2.4 0.0008380000000000001 0.26 AML other m 2019-08-25T07:43:00.72
IV.OFFI.HHE. ML:2.1 0.0005805000000000001 0.54 AML other m 2019-08-25T07:43:00.70
IV.GUMA.HNE. ML:2.4 0.0009395 0.4 AML other m 2019-08-25T07:43:01.55
IV.RM33.HNN. ML:2.5 0.001032 0.56 AML other m 2019-08-25T07:43:01.80
IV.RM33.EHN. ML:2.5 0.0009739999999999999 0.56 AML other m 2019-08-25T07:43:01.52
IV.LNSS.HHN. ML:2.2 0.000582 0.22 AML other m 2019-08-25T07:43:01.78
IV.RM33.EHE. ML:2.6 0.0012005 0.56 AML other m 2019-08-25T07:43:02.12
IV.RM33.HNE. ML:2.5 0.001145 0.14 AML other m 2019-08-25T07:43:02.12
IV.LNSS.HHE. ML:2.2 0.000495 0.2 AML other m 2019-08-25T07:43:02.13
IV.OFFI.HHN. ML:2.1 0.0005735 0.72 AML other m 2019-08-25T07:43:02.58
IV.GIGS.HHE. ML:1.4 0.00007635 0.78 AML other m 2019-08-25T07:43:02.84
IV.GIGS.HHN. ML:1.5 0.00008669999999999999 1.38 AML other m 2019-08-25T07:43:03.94
IV.MNTT.EHE. ML:2.4 0.0008145 1.22 AML other m 2019-08-25T07:43:03.93
IV.SAP2.EHE. ML:2.1 0.00047750000000000006 0.4 AML other m 2019-08-25T07:43:04.06
IV.GUMA.HHN. ML:2.3 0.0008209999999999999 0.38 AML other m 2019-08-25T07:43:04.67
IV.GAVE.EHE. ML:2.2 0.0004555 0.24 AML other m 2019-08-25T07:43:04.60
IV.GAVE.EHN. ML:2.2 0.00046699999999999997 0.76 AML other m 2019-08-25T07:43:04.81
IV.GUMA.HNN. ML:2.9 0.003015 0.94 AML other m 2019-08-25T07:43:05.63
IV.MNTT.EHN. ML:2.4 0.0008245 1.58 AML other m 2019-08-25T07:43:07.11
IV.VCEL.EHN. ML:2.0 0.00019600000000000002 0.1 AML other m 2019-08-25T07:43:07.60
IV.VCEL.EHE. ML:2.0 0.000203 0.24 AML other m 2019-08-25T07:43:07.74
IV.ARRO.EHE. ML:1.9 0.000168 0.18 AML other m 2019-08-25T07:43:09.14
IV.FIAM.HHN. ML:1.9 0.0001265 0.26 AML other m 2019-08-25T07:43:09.28
IV.FIAM.HHE. ML:1.7 0.00009695000000000001 1.3 AML other m 2019-08-25T07:43:09.28
IV.EL6.EHN. ML:2.0 0.0001715 0.16 AML other m 2019-08-25T07:43:09.74
IV.EL6.EHE. ML:1.8 0.00012634999999999998 0.18 AML other m 2019-08-25T07:43:10.64
IV.ASSB.HHE. ML:2.0 0.0001625 0.3 AML other m 2019-08-25T07:43:11.24
IV.ASSB.HHN. ML:2.0 0.000177 0.22 AML other m 2019-08-25T07:43:11.36
IV.ARRO.EHN. ML:1.7 0.000111 1.06 AML other m 2019-08-25T07:43:11.13
IV.MOMA.HHE. ML:2.0 0.00017749999999999998 0.24 AML other m 2019-08-25T07:43:11.69
IV.MOMA.HHN. ML:2.0 0.000154 1.42 AML other m 2019-08-25T07:43:12.82
IV.ATCC.EHE. ML:2.0 0.0001595 0.22 AML other m 2019-08-25T07:43:12.96
IV.FAGN.HHN. ML:1.9 0.00014900000000000002 0.58 AML other m 2019-08-25T07:43:13.19
IV.ARVD.HHE. ML:1.6 0.0000426 0.76 AML other m 2019-08-25T07:43:15.08
IV.ATCC.EHN. ML:1.9 0.00010284999999999999 0.34 AML other m 2019-08-25T07:43:15.99
IV.T0110.HHN. ML:2.0 0.00016949999999999997 0.4 AML other m 2019-08-25T07:43:17.58
IV.ARVD.HHN. ML:1.5 0.0000389 0.5 AML other m 2019-08-25T07:43:18.47
IV.MURB.HHN. ML:2.3 0.0002175 0.3 AML other m 2019-08-25T07:43:20.18
IV.MURB.HHE. ML:2.3 0.0002505 0.32 AML other m 2019-08-25T07:43:20.54
IV.T0110.HHE. ML:1.9 0.000131 0.56 AML other m 2019-08-25T07:43:21.13
IV.FRON.EHE. ML:1.6 0.0000458 1.5 AML other m 2019-08-25T07:43:21.03
IV.FAGN.HHE. ML:2.0 0.0001855 0.38 AML other m 2019-08-25T07:43:22.70
IV.FRON.EHN. ML:1.7 0.00005305 0.78 AML other m 2019-08-25T07:43:27.43
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