Earthquake with magnitude of ML 1.8 on date 25-08-2019 and time 12:57:49 (Italy) in region 5 km N Acquasanta Terme (AP)

A magnitude ML 1.8 earthquake occured in region: 5 km N Acquasanta Terme (AP), on

  • 25-08-2019 10:57:49 (UTC)
  • 25-08-2019 12:57:49 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.82, 13.4 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.

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
Palmiano AP 10 196 6823
Venarotta AP 10 2066 8889
Montemonaco AP 11 604 9493
Valle Castellana TE 12 977 10470
Montefortino FM 15 1178 11648
Ascoli Piceno AP 15 49407 61055
Comunanza AP 16 3166 64221
Force AP 18 1354 65575
Rocca Santa Maria TE 18 537 66112
Accumoli RI 19 667 66779
Amandola FM 19 3629 70408
Folignano AP 19 9241 79649
Montefalcone Appennino FM 20 424 80073

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)
89 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
Rev 1000 ML 1.8 2019-08-25
10:57:49
42.82 13.4 24 2019-11-13
14:31:08
Bollettino Sismico Italiano INGV 73574781
Rev 100 ML 1.8 2019-08-25
10:57:49
42.82 13.39 22 2019-08-25
11:08:32
Sala Sismica INGV-Roma 71793711
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-08-25 10:57:49 ± 0.08
Latitude 42.82 ± 0.00
Longitude 13.40 ± 0.00
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 73574781

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 365
Semi-minor axis of confidence ellipse (meter) 100
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 253
Circular confidence region, given by single value of horizontal uncertainty (meter) 370
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 82
Number of associated phases, regardless of their use for origin computation 43
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.06205
Epicentral distance of station farthest from the epicenter (degree) 0.6664
Number of stations at which the event was observed 24
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 73574781
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-11-01 16:59:38

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 28
Type of magnitude ML
Reference to an origin 71793711
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-08-25 11:08:32
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
IV.VCEL.EHZ. 2019-08-25T10:58:08.69 0.6 undecidable manual S 143 0.5324 105 0.66 40
IV.GAVE.EHZ. 2019-08-25T10:58:04.63 0.3 undecidable manual S 251 0.393 111 0.53 62
IV.CESI.HHE. 2019-08-25T10:58:04.84 0.6 undecidable manual S 297 0.4092 110 0.31 44
IV.LNSS.HHZ. 2019-08-25T10:58:03.17 0.6 undecidable manual S 231 0.3417 115 0.48 43
IV.PF6.EHN. 2019-08-25T10:58:03.08 0.6 undecidable manual S 335 0.3534 114 0.07 48
IV.GIGS.HHZ. 2019-08-25T10:58:03.85 0.3 undecidable manual S 161 0.3858 112 -0.05 71
IT.MTCL.HGZ. 2019-08-25T10:58:02.75 0.6 undecidable manual S 301 0.3426 115 0.03 48
IV.CSP1.EHZ. 2019-08-25T10:58:02.01 0.6 undecidable manual S 332 0.3094 117 0.19 47
IV.ATCC.EHZ. 2019-08-25T10:58:02.36 0.3 undecidable manual P 304 0.6664 101 -0.02 68
IV.RM33.EHZ. 2019-08-25T10:58:02.78 0.6 undecidable manual S 204 0.3381 115 0.18 46
IV.MOMA.HHZ. 2019-08-25T10:58:01.51 0.3 undecidable manual P 269 0.6097 103 0.09 67
IV.FDMO.HHZ. 2019-08-25T10:58:01.78 0.3 undecidable manual S 314 0.3175 117 -0.25 70
IV.FEMA.HNE. 2019-08-25T10:58:01.62 0.6 undecidable manual S 299 0.295 119 0.16 47
IV.CAMP.HHE. 2019-08-25T10:58:01.20 0.6 undecidable manual S 179 0.2824 120 0.07 48
IV.EL6.EHZ. 2019-08-25T10:58:00.46 0.3 undecidable manual P 337 0.5558 104 -0.06 69
IV.TERO.HHZ. 2019-08-25T10:58:00.27 0.6 undecidable manual S 143 0.2455 124 0.07 49
IV.GUMA.HNN. 2019-08-25T10:58:00.63 0.6 undecidable manual S 349 0.2491 124 0.34 46
IV.VCEL.EHZ. 2019-08-25T10:58:00.22 0.3 undecidable manual P 143 0.5324 105 0.08 69
IV.NRCA.HHZ. 2019-08-25T10:57:59.17 0.6 undecidable manual S 274 0.2113 129 -0.22 48
IV.T1299.HNN. 2019-08-25T10:57:59.44 0.6 undecidable manual S 206 0.2041 130 0.22 48
IV.MF5.EHZ. 2019-08-25T10:57:58.81 0.3 undecidable manual S 14 0.1745 135 0.22 73
IV.SMA1.EHZ. 2019-08-25T10:57:58.64 0.3 undecidable manual S 195 0.1943 132 -0.36 69
IV.LNSS.HHZ. 2019-08-25T10:57:57.07 0.1 positive manual P 231 0.3417 115 0.01 96
IV.GIGS.HHZ. 2019-08-25T10:57:57.50 0.3 undecidable manual P 161 0.3858 112 -0.25 68
IV.GAVE.EHZ. 2019-08-25T10:57:57.88 0.1 positive manual P 251 0.393 111 0.01 95
IV.CESI.HHE. 2019-08-25T10:57:57.95 0.1 undecidable manual P 297 0.4092 110 -0.17 93
IV.RM33.EHZ. 2019-08-25T10:57:56.98 0.1 positive manual P 204 0.3381 115 -0.02 97
IV.FEMA.HNE. 2019-08-25T10:57:56.28 0.3 undecidable manual P 299 0.295 119 -0.06 73
IV.CAMP.HHE. 2019-08-25T10:57:56.03 0.3 undecidable manual P 179 0.2824 120 -0.12 72
IV.MNTT.EHE. 2019-08-25T10:57:56.53 0.1 undecidable manual P 30 0.2815 120 0.38 91
IV.MTRA.HNZ. 2019-08-25T10:57:56.55 0.3 undecidable manual S 184 0.0621 162 -0.26 72
IT.MTCL.HGZ. 2019-08-25T10:57:56.84 0.1 undecidable manual P 301 0.3426 115 -0.23 93
IV.PF6.EHN. 2019-08-25T10:57:56.95 0.3 undecidable manual P 335 0.3534 114 -0.29 68
IV.FDMO.HHZ. 2019-08-25T10:57:56.44 0.1 positive manual P 314 0.3175 117 -0.23 93
IV.CSP1.EHZ. 2019-08-25T10:57:56.36 0.3 undecidable manual P 332 0.3094 117 -0.19 70
IV.OFFI.HHZ. 2019-08-25T10:57:55.80 0.3 undecidable manual P 61 0.2383 125 0.28 71
IV.T1299.HNN. 2019-08-25T10:57:55.07 0.3 undecidable manual P 206 0.2041 130 0.02 74
IV.TERO.HHZ. 2019-08-25T10:57:55.47 0.6 undecidable manual P 143 0.2455 124 -0.15 48
IV.GUMA.HNN. 2019-08-25T10:57:55.68 0.3 undecidable manual P 349 0.2491 124 0.01 74
IV.MF5.EHZ. 2019-08-25T10:57:54.72 0.1 undecidable manual P 14 0.1745 135 0.03 100
IV.SMA1.EHZ. 2019-08-25T10:57:54.86 0.1 positive manual P 195 0.1943 132 -0.07 99
IV.NRCA.HHZ. 2019-08-25T10:57:54.98 0.1 positive manual P 274 0.2113 129 -0.17 96
IV.MTRA.HNZ. 2019-08-25T10:57:53.48 0.1 undecidable manual P 184 0.0621 162 -0.18 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:2.6 0.00282 0.1 AML other m 2019-08-25T10:57:56.68
IV.MTRA.EHN. ML:2.6 0.002815 0.08 AML other m 2019-08-25T10:57:56.68
IV.MTRA.HNE. ML:2.6 0.002375 0.08 AML other m 2019-08-25T10:57:56.71
IV.MTRA.EHE. ML:2.6 0.00235 0.08 AML other m 2019-08-25T10:57:56.71
IV.MF5.EHE. ML:1.7 0.0002605 1.68 AML other m 2019-08-25T10:57:58.14
IV.MF5.EHN. ML:1.9 0.0003805 0.32 AML other m 2019-08-25T10:57:59.16
IV.SMA1.EHN. ML:2 0.000547 0.82 AML other m 2019-08-25T10:57:59.27
IV.SMA1.EHE. ML:2 0.000456 0.08 AML other m 2019-08-25T10:57:59.35
IV.NRCA.HHE. ML:1.9 0.0003955 0.28 AML other m 2019-08-25T10:57:59.99
IV.NRCA.HHN. ML:2.2 0.000689 0.9 AML other m 2019-08-25T10:58:00.00
IV.TERO.HHN. ML:1.6 0.000171 0.26 AML other m 2019-08-25T10:58:00.50
IV.TERO.HHE. ML:1.6 0.0001615 1.12 AML other m 2019-08-25T10:58:00.97
IV.FDMO.HHN. ML:1.9 0.0002915 0.2 AML other m 2019-08-25T10:58:02.27
IV.CSP1.EHN. ML:1.7 0.000176 0.34 AML other m 2019-08-25T10:58:02.35
IV.FDMO.HHE. ML:1.8 0.0002175 1.04 AML other m 2019-08-25T10:58:02.75
IV.CSP1.EHE. ML:1.7 0.00018295 0.3 AML other m 2019-08-25T10:58:02.34
IV.RM33.EHN. ML:1.9 0.0002635 0.18 AML other m 2019-08-25T10:58:03.20
IV.RM33.EHE. ML:2 0.0002805 1.44 AML other m 2019-08-25T10:58:03.72
IV.LNSS.HHN. ML:1.6 0.000137 0.54 AML other m 2019-08-25T10:58:03.75
IV.GIGS.HHE. ML:1 2.37E-5 0.36 AML other m 2019-08-25T10:58:04.26
IV.GIGS.HHN. ML:1 2.505E-5 0.64 AML other m 2019-08-25T10:58:04.53
IV.GAVE.EHN. ML:1.8 0.000174 1.74 AML other m 2019-08-25T10:58:05.88
IV.GAVE.EHE. ML:1.8 0.0001785 0.22 AML other m 2019-08-25T10:58:05.42
IV.LNSS.HHE. ML:1.6 0.0001415 1 AML other m 2019-08-25T10:58:05.29
IV.VCEL.EHN. ML:1.6 7.46E-5 0.1 AML other m 2019-08-25T10:58:09.20
IV.VCEL.EHE. ML:1.7 0.0001005 1.02 AML other m 2019-08-25T10:58:09.34
IV.ATCC.EHE. ML:1.5 4.425E-5 0.18 AML other m 2019-08-25T10:58:14.46
IV.ATCC.EHN. ML:1.4 4.105E-5 0.72 AML other m 2019-08-25T10:58:17.59
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download