Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 28-02-2019 and time 01:32:31 (Italy) in region 5 km N Acquasanta Terme (AP)

A magnitude ML 2.1 earthquake occured in region: 5 km N Acquasanta Terme (AP), on

  • 28-02-2019 00:32:31 (UTC)
  • 28-02-2019 01:32:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8140, 13.4080 at 10 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 8 2010 5449
Arquata del Tronto AP 10 1178 6627
Venarotta AP 10 2066 8693
Palmiano AP 11 196 8889
Valle Castellana TE 11 977 9866
Montemonaco AP 12 604 10470
Ascoli Piceno AP 15 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

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of Teramo (54892 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
59 Km E of Foligno (57155 inhabitants)
68 Km E of Terni (111501 inhabitants)
69 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)
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 2.1 2019-02-28
00:32:31		 42.8143 13.4077 11 2019-08-22
08:24:54		 Bollettino Sismico Italiano INGV 66962461
Reviewed
Rev100 		ML 2.1 2019-02-28
00:32:31		 42.8138 13.4088 11 2019-02-28
00:41:22		 Sala Sismica INGV-Roma 66034291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-02-28 00:32:31 ± 0.07
Latitude 42.8143 ± 0.0027
Longitude 13.4077 ± 0.0049
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 66962461

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 450
Semi-minor axis of confidence ellipse (meter) 108
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 76
Circular confidence region, given by single value of horizontal uncertainty (meter) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 90
Number of defining phases 87
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.38
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 1.17092
Number of stations at which the event was observed 53
Number of stations from which data was used for origin computation 50
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.2
Num. used stations 41
Type of magnitude ML
Reference to an origin 66962461
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-03-27 08:02:54

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 80
Type of magnitude ML
Reference to an origin 66034291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-02-28 00:41:22
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CMPR.HHZ. 2019-02-28T00:33:54.79 3.0 undecidable manual Sn 3.27 0
IV.FIR.HHZ. 2019-02-28T00:33:27.73 3.0 undecidable manual Sn 2.16 0
IV.PIEI.HHZ. 2019-02-28T00:33:03.64 0.1 undecidable manual S 319 106.7154 50 0.63 73
IV.ATVO.HHZ. 2019-02-28T00:33:02.60 0.1 undecidable manual S 308 102.6195 50 0.67 72
IV.FRON.EHZ. 2019-02-28T00:33:00.74 0.1 undecidable manual S 325 95.5377 50 0.71 72
IV.ATFO.HHZ. 2019-02-28T00:32:59.07 0.1 undecidable manual S 312 91.3419 50 0.17 85
IV.SSFR.HHZ. 2019-02-28T00:32:58.11 0.1 undecidable manual S 324 85.5477 50 0.75 73
IV.MURB.HHZ. 2019-02-28T00:32:58.09 0.1 undecidable manual S 305 87.1461 50 0.29 83
IV.ARVD.HHZ. 2019-02-28T00:32:57.97 0.1 undecidable manual S 334 84.7485 50 0.84 70
IV.ATCC.EHZ. 2019-02-28T00:32:55.18 0.1 undecidable manual S 304 74.6697 50 0.73 74
IV.FOSV.EHZ. 2019-02-28T00:32:54.93 0.1 undecidable manual S 316 74.7696 50 0.46 82
IV.CAFI.HHZ. 2019-02-28T00:32:53.85 0.1 undecidable manual P 297 129.9699 50 0.39 75
IV.CESX.HHZ. 2019-02-28T00:32:53.90 0.1 undecidable manual S 251 70.6737 50 0.5 82
IV.ASSB.HHZ. 2019-02-28T00:32:52.29 0.1 undecidable manual S 293 65.8896 50 0.18 89
IV.PE3.EHZ. 2019-02-28T00:32:52.72 0.1 undecidable manual P 323 122.3886 50 0.43 75
IV.FIAM.HHZ. 2019-02-28T00:32:52.13 0.1 undecidable manual S 201 65.0904 50 0.23 88
IV.FAGN.HHZ. 2019-02-28T00:32:51.37 0.1 undecidable manual S 167 62.5929 50 0.15 90
IV.SNTG.HHZ. 2019-02-28T00:32:51.44 0.1 undecidable manual S 322 61.7937 50 0.41 85
IV.EL6.EHZ. 2019-02-28T00:32:51.51 0.1 undecidable manual S 337 62.2932 50 0.37 86
IV.ARRO.EHZ. 2019-02-28T00:32:50.23 0.1 undecidable manual S 244 58.497 50 0.1 92
IV.MGAB.HHZ. 2019-02-28T00:32:50.01 0.1 undecidable manual P 276 105.9162 50 0.26 80
IV.VCEL.EHZ. 2019-02-28T00:32:50.69 0.1 undecidable manual S 143 58.497 50 0.56 83
IV.ATMI.HHZ. 2019-02-28T00:32:50.84 0.1 undecidable manual P 302 108.9132 50 0.64 72
IV.PIEI.HHZ. 2019-02-28T00:32:49.37 0.1 undecidable manual P 319 106.7154 50 -0.5 76
IV.MPAG.EHZ. 2019-02-28T00:32:49.37 0.1 undecidable manual P 330 104.5176 50 -0.16 83
IV.ATPI.EHZ. 2019-02-28T00:32:49.96 0.3 undecidable manual P 311 107.7144 50 -0.07 63
IV.COR1.EHZ. 2019-02-28T00:32:48.79 0.3 undecidable manual P 340 96.4257 50 0.5 59
IV.ATVO.HHZ. 2019-02-28T00:32:48.94 0.1 undecidable manual P 308 102.6195 50 -0.31 80
IV.ATFO.HHZ. 2019-02-28T00:32:47.15 0.1 negative manual P 312 91.3419 50 -0.35 81
IV.FRON.EHZ. 2019-02-28T00:32:47.71 0.1 undecidable manual P 325 95.5377 50 -0.44 79
IV.MURB.HHZ. 2019-02-28T00:32:46.55 0.1 undecidable manual P 305 87.1461 50 -0.31 83
IV.GAVE.EHN. 2019-02-28T00:32:46.56 0.1 undecidable manual S 252 43.9227 50 0.3 90
IV.CESI.HHZ. 2019-02-28T00:32:46.84 0.1 undecidable manual S 298 46.0206 50 0.04 95
IV.SSFR.HHZ. 2019-02-28T00:32:46.15 0.1 undecidable manual P 324 85.5477 50 -0.46 80
IV.GIGS.HHZ. 2019-02-28T00:32:45.62 0.1 undecidable manual S 161 42.3243 50 -0.19 92
IV.MNTP.HNZ. 2019-02-28T00:32:45.04 0.3 undecidable manual S 8 36.1416 50 0.86 57
IV.ARVD.HHZ. 2019-02-28T00:32:45.88 0.1 undecidable manual P 334 84.7485 50 -0.6 77
IV.FOSV.EHZ. 2019-02-28T00:32:44.45 0.1 positive manual P 316 74.7696 50 -0.49 81
IV.ATCC.EHZ. 2019-02-28T00:32:44.47 0.1 positive manual P 304 74.6697 50 -0.46 82
IV.LNSS.HHZ. 2019-02-28T00:32:44.99 0.1 undecidable manual S 232 38.0286 50 0.31 91
IV.PF6.EHN. 2019-02-28T00:32:44.59 0.1 undecidable manual S 334 39.8268 50 -0.57 84
IV.RM33.EHZ. 2019-02-28T00:32:44.76 0.1 undecidable manual S 205 37.3293 50 0.26 92
IV.FIAM.HHZ. 2019-02-28T00:32:43.11 0.1 undecidable manual P 201 65.0904 50 -0.35 86
IV.CIMA.HNE. 2019-02-28T00:32:43.02 0.3 undecidable manual P 21 58.497 50 0.58 61
IV.MOMA.HHZ. 2019-02-28T00:32:43.67 0.1 undecidable manual P 269 68.1762 50 -0.26 87
IV.PP3.HNN. 2019-02-28T00:32:43.69 0.1 undecidable manual P 15 64.5909 50 0.31 87
IV.CSP1.EHE. 2019-02-28T00:32:43.47 0.1 undecidable manual S 332 34.9428 50 -0.37 90
IV.FEMA.HNZ. 2019-02-28T00:32:43.37 0.1 undecidable manual S 300 33.3444 50 -0.06 96
IV.ASSB.HHZ. 2019-02-28T00:32:43.03 0.1 positive manual P 293 65.8896 50 -0.55 81
IV.CESX.HHZ. 2019-02-28T00:32:43.98 0.1 undecidable manual P 251 70.6737 50 -0.34 85
IV.FDMO.HHN. 2019-02-28T00:32:43.46 0.1 undecidable manual S 314 35.8419 50 -0.63 83
IV.SNTG.HHZ. 2019-02-28T00:32:42.32 0.1 undecidable manual P 322 61.7937 50 -0.63 79
IV.EL6.EHZ. 2019-02-28T00:32:42.46 0.1 undecidable manual P 337 62.2932 50 -0.56 81
IV.CAMP.HHZ. 2019-02-28T00:32:42.79 0.1 undecidable manual S 180 30.9468 50 0.02 98
IV.ARRO.EHZ. 2019-02-28T00:32:42.14 0.1 undecidable manual P 244 58.497 50 -0.3 88
IV.FAGN.HHZ. 2019-02-28T00:32:42.72 0.1 undecidable manual P 167 62.5929 50 -0.34 86
IV.GUMA.HHZ. 2019-02-28T00:32:42.11 0.1 undecidable manual S 348 28.1496 50 0.07 97
IV.VCEL.EHZ. 2019-02-28T00:32:42.11 0.1 undecidable manual P 143 58.497 50 -0.33 87
IV.CADA.HNE. 2019-02-28T00:32:42.11 0.3 undecidable manual P 34 51.0156 50 0.83 56
IV.TERO.HHZ. 2019-02-28T00:32:41.66 0.1 undecidable manual S 143 26.5512 50 0.04 98
IV.NRCA.HNZ. 2019-02-28T00:32:40.85 0.1 undecidable manual S 275 23.9538 50 -0.07 98
IV.T1299.HNN. 2019-02-28T00:32:40.99 0.1 undecidable manual S 207 22.4553 115 0.48 89
IV.CESI.HHZ. 2019-02-28T00:32:40.12 0.1 positive manual P 298 46.0206 50 -0.4 88
IV.SMA1.EHZ. 2019-02-28T00:32:40.29 0.1 undecidable manual S 196 21.2676 116 0.16 96
IV.TRTR.HHZ. 2019-02-28T00:32:40.29 0.1 negative manual P 91 41.2254 50 0.52 86
IV.RM33.EHZ. 2019-02-28T00:32:39.01 0.1 undecidable manual P 205 37.3293 50 -0.17 94
IV.GIGS.HHZ. 2019-02-28T00:32:39.43 0.1 undecidable manual P 161 42.3243 50 -0.51 86
IV.GAVE.EHN. 2019-02-28T00:32:39.94 0.1 positive manual P 252 43.9227 50 -0.26 91
IV.MF5.EHZ. 2019-02-28T00:32:39.82 0.1 undecidable manual S 12 19.6692 118 0.16 96
IV.LNSS.HHZ. 2019-02-28T00:32:39.09 0.1 positive manual P 232 38.0286 50 -0.2 93
IV.MC2.EHZ. 2019-02-28T00:32:39.65 0.1 undecidable manual S 301 20.7681 117 -0.34 94
IV.PF6.EHN. 2019-02-28T00:32:38.85 0.1 undecidable manual P 334 39.8268 50 -0.71 80
IV.CSP1.EHE. 2019-02-28T00:32:38.25 0.1 positive manual P 332 34.9428 50 -0.55 86
IV.FEMA.HNZ. 2019-02-28T00:32:38.22 0.1 positive manual P 300 33.3444 50 -0.35 91
IV.FDMO.HHN. 2019-02-28T00:32:38.37 0.1 positive manual P 314 35.8419 50 -0.58 85
IT.MTCL.HGZ. 2019-02-28T00:32:38.86 3.0 undecidable manual P -0.36 0
IV.MNTP.HNZ. 2019-02-28T00:32:38.86 0.3 undecidable manual P 8 36.1416 50 -0.14 71
IV.OFFI.HHZ. 2019-02-28T00:32:37.72 0.1 positive manual P 59 26.2515 50 0.25 94
IV.MMO1.EHZ. 2019-02-28T00:32:37.58 0.1 undecidable manual S 325 11.4774 132 0.27 95
IV.TERO.HHZ. 2019-02-28T00:32:37.16 0.1 positive manual P 143 26.5512 50 -0.36 91
IV.CAMP.HHZ. 2019-02-28T00:32:37.94 0.1 negative manual P 180 30.9468 50 -0.25 93
IV.GUMA.HHZ. 2019-02-28T00:32:37.51 0.1 positive manual P 348 28.1496 50 -0.25 93
IV.MTRA.HNZ. 2019-02-28T00:32:36.87 0.1 undecidable manual S 188 6.4935 148 0.69 83
IV.SMA1.EHZ. 2019-02-28T00:32:36.62 0.1 negative manual P 196 21.2676 116 -0.04 99
IV.MC2.EHZ. 2019-02-28T00:32:36.46 0.1 positive manual P 301 20.7681 117 -0.12 98
IV.NRCA.HNZ. 2019-02-28T00:32:36.85 0.1 positive manual P 275 23.9538 50 -0.27 94
IV.T1299.HNN. 2019-02-28T00:32:36.96 0.1 negative manual P 207 22.4553 115 0.08 97
IV.MF5.EHZ. 2019-02-28T00:32:36.33 0.1 positive manual P 12 19.6692 118 -0.06 99
IV.MMO1.EHZ. 2019-02-28T00:32:35.06 0.1 undecidable manual P 325 11.4774 132 0.03 100
IV.MTRA.HNZ. 2019-02-28T00:32:34.86 0.1 negative manual P 188 6.4935 148 0.48 91
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MF5.EHN. ML:2.4 0.0018537805000000001 0.12 AML other m 2019-02-28T00:32:40.01
IV.MF5.EHE. ML:2.4 0.001754114 0.26 AML other m 2019-02-28T00:32:40.38
IV.SMA1.EHN. ML:2.3 0.0015179895000000001 0.12 AML other m 2019-02-28T00:32:40.49
IV.SMA1.EHE. ML:2.4 0.0016731775 0.14 AML other m 2019-02-28T00:32:40.53
IV.TERO.HNN. ML:1.7 0.00024801894999999997 0.09 AML other m 2019-02-28T00:32:42.42
IV.TERO.HHN. ML:2.0 0.0005221968999999999 0.08 AML other m 2019-02-28T00:32:42.41
IV.TERO.HHE. ML:2.0 0.0005077273 0.12 AML other m 2019-02-28T00:32:42.53
IV.GUMA.HHN. ML:2.4 0.0014468735000000002 0.16 AML other m 2019-02-28T00:32:42.37
IV.GUMA.HNE. ML:2.4 0.0014200697 0.31 AML other m 2019-02-28T00:32:42.36
IV.GUMA.HNN. ML:2.3 0.0011234555 0.17 AML other m 2019-02-28T00:32:42.20
IV.RM33.EHE. ML:2.0 0.0003448444 0.14 AML other m 2019-02-28T00:32:45.26
IV.RM33.HNE. ML:2.0 0.00033541435 0.14 AML other m 2019-02-28T00:32:45.25
IV.RM33.HNN. ML:2.1 0.0004310156 0.14 AML other m 2019-02-28T00:32:44.93
IV.RM33.EHN. ML:2.1 0.00042848435 0.14 AML other m 2019-02-28T00:32:44.93
IV.LNSS.HHN. ML:2.2 0.00067387215 0.12 AML other m 2019-02-28T00:32:45.86
IV.LNSS.HHE. ML:2.2 0.0006750946 0.14 AML other m 2019-02-28T00:32:45.15
IV.LNSS.HNE. ML:2.2 0.00061510265 0.14 AML other m 2019-02-28T00:32:45.16
IV.CESI.HHE. ML:2.3 0.0006463019000000001 0.22 AML other m 2019-02-28T00:32:47.07
IV.CESI.HHN. ML:2.5 0.00090245885 0.16 AML other m 2019-02-28T00:32:47.25
IV.TRTR.HHN. ML:2.3 0.0006442828000000001 0.48 AML other m 2019-02-28T00:32:59.92
IV.ARRO.EHN. ML:1.8 0.0001425676 0.18 AML other m 2019-02-28T00:32:51.36
IV.ARRO.EHE. ML:1.8 0.00014320674999999998 0.18 AML other m 2019-02-28T00:32:50.86
IV.SNTG.HNN. ML:2.1 0.00025078055 0.27 AML other m 2019-02-28T00:32:52.58
IV.SNTG.HHN. ML:2.0 0.00019485534999999997 0.28 AML other m 2019-02-28T00:32:52.21
IV.SNTG.HHE. ML:1.8 0.00012735922 0.28 AML other m 2019-02-28T00:32:52.16
IV.EL6.EHN. ML:2.3 0.00035400105 0.22 AML other m 2019-02-28T00:32:53.59
IV.EL6.EHE. ML:2.3 0.00040559060000000004 0.34 AML other m 2019-02-28T00:32:54.21
IV.ASSB.HHE. ML:2.0 0.00017436325 0.2 AML other m 2019-02-28T00:32:52.69
IV.MOMA.HHE. ML:2.0 0.00015755055 0.22 AML other m 2019-02-28T00:32:57.80
IV.MOMA.HNE. ML:2.0 0.00017329765 0.22 AML other m 2019-02-28T00:32:57.80
IV.FOSV.EHE. ML:2.2 0.00024368675 0.22 AML other m 2019-02-28T00:32:55.24
IV.FOSV.EHN. ML:2.3 0.0003259393 0.26 AML other m 2019-02-28T00:32:55.42
IV.ATCC.EHE. ML:2.1 0.00020332909999999998 0.22 AML other m 2019-02-28T00:32:56.45
IV.ATCC.EHN. ML:2.0 0.0001362004 0.24 AML other m 2019-02-28T00:32:56.22
IV.FRON.EHN. ML:2.1 0.0001236845 0.42 AML other m 2019-02-28T00:33:01.76
IV.FRON.EHE. ML:1.9 0.00008922209 0.4 AML other m 2019-02-28T00:33:01.51
IV.PIEI.HHE. ML:1.8 0.000060774885 0.14 AML other m 2019-02-28T00:33:06.44
IV.MGAB.HNN. ML:1.9 0.000065224005 0.4 AML other m 2019-02-28T00:33:08.45
IV.MGAB.HHN. ML:1.8 0.00005808804500000001 0.36 AML other m 2019-02-28T00:33:08.43
IV.PE3.EHE. ML:2.3 0.000140478035 0.42 AML other m 2019-02-28T00:33:12.04
IV.PE3.EHN. ML:2.5 0.00020365745 0.38 AML other m 2019-02-28T00:33:13.37
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