Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 25-08-2019 and time 07:13:02 (Italy) in region 5 km N Acquasanta Terme (AP)

A magnitude ML 1.7 earthquake occured in region: 5 km N Acquasanta Terme (AP), on

  • 25-08-2019 05:13:02 (UTC)
  • 25-08-2019 07:13:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8120, 13.3930 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
Roccafluvione AP 9 2010 5449
Arquata del Tronto AP 9 1178 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 1.7 2019-08-25
05:13:02		 42.8122 13.3928 24 2019-11-13
14:31:08		 Bollettino Sismico Italiano INGV 73574391
Reviewed
Rev100 		ML 1.8 2019-08-25
05:13:03		 42.8163 13.3935 23 2019-08-25
05:18:55		 Sala Sismica INGV-Roma 71783761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-25 05:13:02 ± 0.07
Latitude 42.8122 ± 0.0027
Longitude 13.3928 ± 0.0049
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 73574391

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 430
Semi-minor axis of confidence ellipse (meter) 31
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 259
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
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 45
Number of defining phases 45
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0.05576
Epicentral distance of station farthest from the epicenter (degree) 0.75993
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 28
Magnitudes information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 73574391
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-01 16:38:31

ML:1.8

Field Value
Value 1.8
Uncertainty 0.2
Num. used stations 32
Type of magnitude ML
Reference to an origin 71783761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-25 05:18:55
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2019-08-25T05:13:23.11 0.6 undecidable manual S 338 61.9935 104 0.66 39
IV.CESI.HHZ. 2019-08-25T05:13:18.45 0.6 undecidable manual S 298 45.0216 111 0.32 45
IV.ARVD.HHZ. 2019-08-25T05:13:17.57 0.3 undecidable manual P 335 84.3489 100 -0.03 67
IV.RM33.EHZ. 2019-08-25T05:13:16.58 0.6 undecidable manual S 203 36.6411 116 0.51 44
IV.LNSS.HHZ. 2019-08-25T05:13:16.74 0.3 undecidable manual S 231 36.9297 116 0.6 65
IV.CSP1.EHZ. 2019-08-25T05:13:15.75 0.3 undecidable manual S 334 34.5432 118 0.17 71
IV.SAP2.EHE. 2019-08-25T05:13:15.29 0.6 undecidable manual S 1 31.5462 121 0.41 45
IV.FDMO.HHZ. 2019-08-25T05:13:15.60 0.3 undecidable manual S 315 35.1426 117 -0.11 72
IV.ATCC.EHZ. 2019-08-25T05:13:15.86 0.3 undecidable manual P 304 73.7706 102 -0.13 67
IV.MOMA.HHZ. 2019-08-25T05:13:15.14 0.3 undecidable manual P 269 66.9774 103 0.17 67
IV.FEMA.HNE. 2019-08-25T05:13:15.33 0.6 undecidable manual S 301 32.4453 120 0.25 47
IV.ASSB.HHZ. 2019-08-25T05:13:14.38 0.3 undecidable manual P 293 64.8906 104 -0.28 66
IV.FIAM.HHZ. 2019-08-25T05:13:14.52 0.3 undecidable manual P 201 64.3911 104 -0.07 69
IV.CAMP.HHZ. 2019-08-25T05:13:14.74 0.6 undecidable manual S 178 30.6471 121 0.06 49
IV.GUMA.HHZ. 2019-08-25T05:13:14.32 0.3 undecidable manual S 350 28.1496 124 0.21 71
IV.NRCA.HNZ. 2019-08-25T05:13:13.03 0.3 undecidable manual S 276 22.755 131 0.06 75
IV.VCEL.EHZ. 2019-08-25T05:13:13.78 0.3 undecidable manual P 142 58.9965 105 0 70
IV.T1299.HNZ. 2019-08-25T05:13:13.13 0.3 undecidable manual S 205 21.6672 132 0.38 70
IV.ARRO.EHZ. 2019-08-25T05:13:13.63 0.1 undecidable manual P 243 57.2982 106 0.1 93
IV.TERO.HHZ. 2019-08-25T05:13:13.83 0.3 undecidable manual S 141 27.1506 125 -0.06 74
IV.EL6.EHZ. 2019-08-25T05:13:13.97 0.3 undecidable manual P 338 61.9935 104 -0.26 67
IV.MF5.EHZ. 2019-08-25T05:13:12.57 0.3 undecidable manual S 16 20.2686 135 0.11 74
IV.SMA1.EHZ. 2019-08-25T05:13:12.53 0.3 undecidable manual S 193 20.6682 134 -0.02 75
IV.GIGS.HHZ. 2019-08-25T05:13:11.13 0.3 undecidable manual P 160 42.4242 112 -0.23 70
IV.CESI.HHZ. 2019-08-25T05:13:11.55 0.1 undecidable manual P 298 45.0216 111 -0.18 93
IV.GAVE.EHZ. 2019-08-25T05:13:11.44 0.1 undecidable manual P 252 42.7239 112 0.04 97
IV.MTRA.HNZ. 2019-08-25T05:13:10.17 0.3 undecidable manual S 177 6.1938 164 -0.33 72
IV.MMO1.EHZ. 2019-08-25T05:13:10.56 0.3 undecidable manual S 331 11.0778 152 -0.43 70
IV.CSP1.EHZ. 2019-08-25T05:13:10.00 0.1 undecidable manual P 334 34.5432 118 -0.26 94
IV.SAP2.EHE. 2019-08-25T05:13:10.15 0.1 undecidable manual P 1 31.5462 121 0.3 92
IV.RM33.EHZ. 2019-08-25T05:13:10.58 0.1 undecidable manual P 203 36.6411 116 0.04 98
IV.FDMO.HHZ. 2019-08-25T05:13:10.05 0.1 undecidable manual P 315 35.1426 117 -0.29 93
IV.LNSS.HHZ. 2019-08-25T05:13:10.69 0.1 undecidable manual P 231 36.9297 116 0.1 96
IV.MNTT.EHZ. 2019-08-25T05:13:10.17 0.3 undecidable manual P 31 32.2455 120 0.22 70
IV.TERO.HHZ. 2019-08-25T05:13:09.03 0.3 undecidable manual P 141 27.1506 125 -0.25 71
IV.CAMP.HHZ. 2019-08-25T05:13:09.68 0.1 undecidable manual P 178 30.6471 121 -0.06 98
IV.FEMA.HNE. 2019-08-25T05:13:09.90 0.1 undecidable manual P 301 32.4453 120 -0.08 97
IV.GUMA.HHZ. 2019-08-25T05:13:09.37 0.1 undecidable manual P 350 28.1496 124 -0.05 99
IV.OFFI.HHZ. 2019-08-25T05:13:09.65 0.1 negative manual P 60 27.4503 125 0.33 92
IV.MF5.EHZ. 2019-08-25T05:13:08.35 0.1 negative manual P 16 20.2686 135 -0.11 99
IV.SMA1.EHZ. 2019-08-25T05:13:08.49 0.1 positive manual P 193 20.6682 134 -0.03 100
IV.NRCA.HNZ. 2019-08-25T05:13:08.60 0.1 undecidable manual P 276 22.755 131 -0.15 97
IV.T1299.HNZ. 2019-08-25T05:13:08.72 0.1 undecidable manual P 205 21.6672 132 0.09 99
IV.MTRA.HNZ. 2019-08-25T05:13:07.13 0.1 undecidable manual P 177 6.1938 164 -0.2 99
IV.MMO1.EHZ. 2019-08-25T05:13:07.31 0.1 undecidable manual P 331 11.0778 152 -0.3 96
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:2.5 0.002 0.22 AML other m 2019-08-25T05:13:10.34
IV.MTRA.HNE. ML:2.5 0.00196 0.22 AML other m 2019-08-25T05:13:10.34
IV.MTRA.EHN. ML:2.6 0.0024050000000000005 0.08 AML other m 2019-08-25T05:13:10.31
IV.MTRA.HNN. ML:2.6 0.00237 0.08 AML other m 2019-08-25T05:13:10.31
IV.MF5.EHE. ML:1.7 0.000237 0.32 AML other m 2019-08-25T05:13:12.59
IV.MF5.EHN. ML:2.0 0.0004295 0.32 AML other m 2019-08-25T05:13:12.62
IV.SMA1.EHN. ML:1.9 0.000367 1.18 AML other m 2019-08-25T05:13:12.91
IV.NRCA.HHE. ML:2.0 0.00041400000000000003 0.16 AML other m 2019-08-25T05:13:13.10
IV.SMA1.EHE. ML:1.8 0.00027449999999999995 0.36 AML other m 2019-08-25T05:13:13.16
IV.NRCA.HNE. ML:2.0 0.0004125 0.88 AML other m 2019-08-25T05:13:13.11
IV.NRCA.HHN. ML:2.2 0.000752 0.9 AML other m 2019-08-25T05:13:13.62
IV.NRCA.HNN. ML:2.1 0.000631 0.88 AML other m 2019-08-25T05:13:13.62
IV.GUMA.HHE. ML:2.0 0.00039850000000000004 0.56 AML other m 2019-08-25T05:13:14.66
IV.CAMP.HHN. ML:1.1 0.0000491 1.06 AML other m 2019-08-25T05:13:14.35
IV.CAMP.HHE. ML:1.2 0.00006195 1.52 AML other m 2019-08-25T05:13:14.95
IV.GUMA.HHN. ML:2.0 0.0003655 1.36 AML other m 2019-08-25T05:13:15.83
IV.FDMO.HHN. ML:2.0 0.000325 0.22 AML other m 2019-08-25T05:13:15.88
IV.CSP1.EHE. ML:2.0 0.00032250000000000003 0.3 AML other m 2019-08-25T05:13:15.95
IV.FDMO.HHE. ML:1.9 0.00025550000000000003 0.16 AML other m 2019-08-25T05:13:16.36
IV.CSP1.EHN. ML:1.8 0.000195 0.9 AML other m 2019-08-25T05:13:16.96
IV.RM33.EHN. ML:1.8 0.0002185 1.42 AML other m 2019-08-25T05:13:16.75
IV.LNSS.HHN. ML:1.8 0.0001895 0.5 AML other m 2019-08-25T05:13:16.97
IV.RM33.EHE. ML:1.9 0.0002305 0.58 AML other m 2019-08-25T05:13:17.35
IV.LNSS.HHE. ML:1.7 0.0001595 1.28 AML other m 2019-08-25T05:13:18.03
IV.GIGS.HHN. ML:0.7 0.0000166 1.38 AML other m 2019-08-25T05:13:18.84
IV.CESI.HHE. ML:1.8 0.000151 0.52 AML other m 2019-08-25T05:13:18.89
IV.CESI.HHN. ML:2.0 0.00023349999999999998 1.58 AML other m 2019-08-25T05:13:19.90
IV.GIGS.HHE. ML:0.7 0.0000158 0.5 AML other m 2019-08-25T05:13:19.26
IV.GAVE.EHE. ML:1.7 0.00013450000000000002 0.18 AML other m 2019-08-25T05:13:19.68
IV.GAVE.EHN. ML:1.7 0.00015050000000000003 0.8 AML other m 2019-08-25T05:13:20.43
IV.VCEL.EHN. ML:1.6 0.00008345 1.36 AML other m 2019-08-25T05:13:22.94
IV.VCEL.EHE. ML:1.6 0.00007395000000000001 0.58 AML other m 2019-08-25T05:13:23.54
IV.FIAM.HHN. ML:1.1 0.00002 0.7 AML other m 2019-08-25T05:13:24.05
IV.FIAM.HHE. ML:1.1 0.00001805 0.32 AML other m 2019-08-25T05:13:24.33
IV.ARRO.EHE. ML:1.4 0.00004315 0.18 AML other m 2019-08-25T05:13:24.37
IV.ASSB.HHE. ML:1.5 0.000050549999999999995 0.92 AML other m 2019-08-25T05:13:26.48
IV.ARRO.EHN. ML:1.3 0.00003825 0.24 AML other m 2019-08-25T05:13:26.48
IV.ASSB.HHN. ML:1.5 0.000054499999999999997 0.14 AML other m 2019-08-25T05:13:26.48
IV.MOMA.HHN. ML:1.6 0.0000658 0.6 AML other m 2019-08-25T05:13:28.03
IV.ATCC.EHE. ML:1.5 0.0000523 0.64 AML other m 2019-08-25T05:13:28.09
IV.MOMA.HHE. ML:1.6 0.0000678 0.3 AML other m 2019-08-25T05:13:28.22
IV.ARVD.HHE. ML:1.1 0.0000149 1.04 AML other m 2019-08-25T05:13:30.33
IV.ATCC.EHN. ML:1.4 0.0000402 1.24 AML other m 2019-08-25T05:13:30.23
IV.ARVD.HHN. ML:1.2 0.000020249999999999998 0.46 AML other m 2019-08-25T05:13:43.01
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