Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 27-11-2018 and time 08:42:44 (Italy) in region 3 km NE Acquasanta Terme (AP)

A magnitude ML 2.0 earthquake occured in region: 3 km NE Acquasanta Terme (AP), on

  • 27-11-2018 07:42:44 (UTC)
  • 27-11-2018 08:42:44 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7870, 13.4370 at 19 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 3 2916 2916
Valle Castellana TE 8 977 3893
Roccafluvione AP 9 2010 5903
Montegallo AP 10 523 6426
Arquata del Tronto AP 11 1178 7604
Venarotta AP 12 2066 9670
Palmiano AP 13 196 9866
Rocca Santa Maria TE 13 537 10403
Ascoli Piceno AP 14 49407 59810
Montemonaco AP 15 604 60414
Folignano AP 17 9241 69655
Accumoli RI 18 667 70322
Civitella del Tronto TE 19 5116 75438
Montefortino FM 19 1178 76616
Comunanza AP 19 3166 79782
Cortino TE 19 656 80438

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km NW of Teramo (54892 inhabitants)
49 Km N of L'Aquila (69753 inhabitants)
63 Km E of Foligno (57155 inhabitants)
66 Km W of Montesilvano (53738 inhabitants)
69 Km E of Terni (111501 inhabitants)
73 Km W of Pescara (121014 inhabitants)
77 Km NW of Chieti (51815 inhabitants)
92 Km E of Perugia (166134 inhabitants)
93 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 2.0 2018-11-27
07:42:44		 42.7872 13.4367 19 2019-06-04
09:16:06		 Bollettino Sismico Italiano INGV 64628181
Reviewed
Rev100 		ML 2.1 2018-11-27
07:42:44		 42.7832 13.4395 19 2018-11-27
07:48:51		 Sala Sismica INGV-Roma 63420341
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-11-27 07:42:44 ± 0.13
Latitude 42.7872 ± 0.0036
Longitude 13.4367 ± 0.0074
Depth (km) 19 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 64628181

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 530
Semi-minor axis of confidence ellipse (meter) 247
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 244
Circular confidence region, given by single value of horizontal uncertainty (meter) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 92
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 47
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.34
Epicentral distance of station closest to the epicenter (degree) 0.04227
Epicentral distance of station farthest from the epicenter (degree) 0.79680
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:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 64628181
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-05-28 10:33:47

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 44
Type of magnitude ML
Reference to an origin 63420341
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-11-27 07:48:51
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MOMA.HHZ. 2018-11-27T07:43:07.03 0.3 undecidable manual S 272 70.5738 98 1.02 49
IV.T0110.HHZ. 2018-11-27T07:43:06.92 0.3 undecidable manual S 156 67.7766 98 1.63 33
IV.ASSB.HHZ. 2018-11-27T07:43:06.21 0.3 undecidable manual S 294 69.2751 98 0.55 61
IV.EL6.EHZ. 2018-11-27T07:43:05.36 0.6 undecidable manual S 336 65.9895 99 0.56 41
IV.SNTG.HHZ. 2018-11-27T07:43:05.15 0.1 undecidable manual S 322 65.6898 99 0.44 85
IV.CESI.HHZ. 2018-11-27T07:43:00.52 0.1 undecidable manual S 299 49.5171 102 0.04 94
IV.ARVD.HHZ. 2018-11-27T07:42:59.83 0.3 undecidable manual P 333 88.4448 96 0.15 64
IV.PF6.EHZ. 2018-11-27T07:42:58.91 0.3 undecidable manual S 333 43.623 105 -0.03 71
IV.GIGS.HHZ. 2018-11-27T07:42:57.45 0.1 undecidable manual S 163 38.7279 107 -0.23 94
IV.FDMO.HHZ. 2018-11-27T07:42:57.67 0.1 undecidable manual S 314 39.627 106 -0.25 91
IV.LNSS.HHZ. 2018-11-27T07:42:57.91 0.1 undecidable manual S 238 38.2284 107 0.35 90
IV.FEMA.HNZ. 2018-11-27T07:42:57.43 0.3 undecidable manual S 302 36.9297 108 0.19 70
IV.RM33.EHZ. 2018-11-27T07:42:57.16 0.1 undecidable manual S 210 35.8419 109 0.22 92
IV.MOMA.HHZ. 2018-11-27T07:42:56.92 0.1 undecidable manual P 272 70.5738 98 -0.03 91
IV.GUMA.HHZ. 2018-11-27T07:42:56.28 0.1 undecidable manual S 345 31.6461 112 0.38 92
IV.T0110.HHZ. 2018-11-27T07:42:56.36 0.1 undecidable manual P 156 67.7766 98 -0.17 90
IV.ASSB.HHZ. 2018-11-27T07:42:56.53 0.1 undecidable manual P 294 69.2751 98 -0.22 88
IV.OFFI.HHZ. 2018-11-27T07:42:55.85 0.1 undecidable manual S 51 26.0517 117 1.31 63
IV.SNTG.HHZ. 2018-11-27T07:42:55.84 0.1 undecidable manual P 322 65.6898 99 -0.36 85
IV.EL6.EHZ. 2018-11-27T07:42:55.92 0.1 undecidable manual P 336 65.9895 99 -0.33 86
IV.CAMP.HHZ. 2018-11-27T07:42:55.06 0.1 undecidable manual S 185 27.9498 115 0.06 97
IV.MC2.EHZ. 2018-11-27T07:42:54.31 0.1 undecidable manual S 304 24.3534 119 0.16 97
IV.NRCA.HNZ. 2018-11-27T07:42:54.72 0.1 undecidable manual S 281 26.751 117 0.02 98
IV.MF5.EHZ. 2018-11-27T07:42:53.96 0.1 undecidable manual S 5 22.3554 122 0.28 95
IV.TERO.HHZ. 2018-11-27T07:42:53.61 0.1 undecidable manual S 143 22.755 122 -0.17 97
IV.CESI.HHZ. 2018-11-27T07:42:53.50 0.1 undecidable manual P 299 49.5171 102 -0.25 90
IV.T1299.HNZ. 2018-11-27T07:42:53.76 0.1 undecidable manual S 217 21.1677 124 0.35 93
IV.SMA1.EHZ. 2018-11-27T07:42:52.96 0.1 undecidable manual S 205 19.2696 127 -0.04 99
IV.PF6.EHZ. 2018-11-27T07:42:52.36 0.1 undecidable manual P 333 43.623 105 -0.5 86
IV.FEMA.HNZ. 2018-11-27T07:42:51.73 0.1 undecidable manual P 302 36.9297 108 -0.15 94
IV.RM33.EHZ. 2018-11-27T07:42:51.58 0.1 undecidable manual P 210 35.8419 109 -0.13 95
IV.MMO1.EHZ. 2018-11-27T07:42:51.82 0.1 undecidable manual S 324 15.2736 135 -0.39 91
IV.GIGS.HHZ. 2018-11-27T07:42:51.71 0.1 undecidable manual P 163 38.7279 107 -0.43 90
IV.FDMO.HHZ. 2018-11-27T07:42:51.86 0.1 undecidable manual P 314 39.627 106 -0.42 88
IV.LNSS.HHZ. 2018-11-27T07:42:51.95 0.1 undecidable manual P 238 38.2284 107 -0.12 95
IV.GUMA.HHZ. 2018-11-27T07:42:51.03 0.1 undecidable manual P 345 31.6461 112 -0.08 96
IV.MTRA.HNZ. 2018-11-27T07:42:50.43 0.1 undecidable manual S 224 4.6953 164 -0.32 95
IV.CAMP.HHZ. 2018-11-27T07:42:50.46 0.1 undecidable manual P 185 27.9498 115 -0.13 97
IV.OFFI.HHZ. 2018-11-27T07:42:50.80 0.1 undecidable manual P 51 26.0517 117 0.47 89
IV.NRCA.HNZ. 2018-11-27T07:42:50.21 0.1 undecidable manual P 281 26.751 117 -0.21 95
IV.TERO.HHZ. 2018-11-27T07:42:49.63 0.1 undecidable manual P 143 22.755 122 -0.25 95
IV.T1299.HNZ. 2018-11-27T07:42:49.76 0.1 undecidable manual P 217 21.1677 124 0.09 98
IV.MF5.EHZ. 2018-11-27T07:42:49.78 0.1 undecidable manual P 5 22.3554 122 -0.05 98
IV.MC2.EHZ. 2018-11-27T07:42:49.97 0.1 undecidable manual P 304 24.3534 119 -0.13 96
IV.SMA1.EHZ. 2018-11-27T07:42:49.41 0.1 undecidable manual P 205 19.2696 127 -0.03 100
IV.MMO1.EHZ. 2018-11-27T07:42:48.66 0.1 undecidable manual P 324 15.2736 135 -0.32 94
IV.MTRA.HNZ. 2018-11-27T07:42:47.94 0.1 undecidable manual P 224 4.6953 164 -0.19 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.9 0.00066604465 0.1216 AML other m 2018-11-27T07:42:50.53
IV.MTRA.HNN. ML:1.9 0.00065727285 0.096 AML other m 2018-11-27T07:42:50.59
IV.MTRA.EHE. ML:2.0 0.0008322852000000001 0.1024 AML other m 2018-11-27T07:42:50.62
IV.MTRA.HNE. ML:2.0 0.0008469850999999999 0.0896 AML other m 2018-11-27T07:42:50.62
IV.SMA1.EHN. ML:1.9 0.0005347566500000001 0.0768 AML other m 2018-11-27T07:42:53.08
IV.SMA1.EHE. ML:2.3 0.00122854375 0.096 AML other m 2018-11-27T07:42:53.19
IV.TERO.HNN. ML:1.7 0.00026897764999999995 0.2176 AML other m 2018-11-27T07:42:53.81
IV.TERO.HNE. ML:1.3 0.0000953079 0.16 AML other m 2018-11-27T07:42:53.72
IV.TERO.HHN. ML:2.0 0.00049754515 0.16 AML other m 2018-11-27T07:42:53.80
IV.TERO.HHE. ML:2.0 0.0004666444 0.1216 AML other m 2018-11-27T07:42:53.88
IV.MF5.EHE. ML:2.1 0.00060298655 0.1216 AML other m 2018-11-27T07:42:54.05
IV.MF5.EHN. ML:2.2 0.0009165496500000001 0.1344 AML other m 2018-11-27T07:42:54.07
IV.NRCA.HNE. ML:2.6 0.001846656 0.1408 AML other m 2018-11-27T07:42:54.78
IV.NRCA.HHE. ML:2.6 0.0020911195 0.1984 AML other m 2018-11-27T07:42:54.79
IV.NRCA.HNN. ML:2.9 0.0034930865000000005 0.1088 AML other m 2018-11-27T07:42:54.82
IV.NRCA.HHN. ML:2.9 0.0037222075 0.1152 AML other m 2018-11-27T07:42:54.82
IV.CAMP.HHN. ML:1.8 0.0002848061 0.3456 AML other m 2018-11-27T07:42:55.30
IV.CAMP.HHE. ML:1.7 0.00023703390000000003 0.16 AML other m 2018-11-27T07:42:55.20
IV.OFFI.HHN. ML:1.5 0.0001507702 0.4992 AML other m 2018-11-27T07:42:55.99
IV.OFFI.HHE. ML:1.4 0.00012769585 0.256 AML other m 2018-11-27T07:42:55.96
IV.GUMA.HHN. ML:1.5 0.00012508940000000002 0.2176 AML other m 2018-11-27T07:42:56.28
IV.GUMA.HNE. ML:2.3 0.0007770705999999999 0.2176 AML other m 2018-11-27T07:42:56.54
IV.GUMA.HHE. ML:2.5 0.0011861519999999998 0.1984 AML other m 2018-11-27T07:42:56.55
IV.GUMA.HNN. ML:2.1 0.0005613383899999999 0.1856 AML other m 2018-11-27T07:42:56.44
IV.RM33.HNN. ML:2.0 0.0003087933 0.2048 AML other m 2018-11-27T07:42:57.32
IV.RM33.EHN. ML:2.0 0.0003077299 0.1984 AML other m 2018-11-27T07:42:57.33
IV.RM33.HNE. ML:2.0 0.00036945274999999997 0.1984 AML other m 2018-11-27T07:42:57.35
IV.RM33.EHE. ML:2.0 0.00038620695000000005 0.224 AML other m 2018-11-27T07:42:57.36
IV.GIGS.HHE. ML:1.3 0.00006412232 0.6208 AML other m 2018-11-27T07:42:57.68
IV.LNSS.HNN. ML:2.3 0.000605 0.36 AML other m 2018-11-27T07:42:58.18
IV.LNSS.HHE. ML:1.8 0.00019611145 0.3008 AML other m 2018-11-27T07:42:57.99
IV.LNSS.HHN. ML:2.2 0.00058110775 0.1792 AML other m 2018-11-27T07:42:58.16
IV.GIGS.HHN. ML:1.1 0.000038819195 0.1152 AML other m 2018-11-27T07:42:58.51
IV.LNSS.HNE. ML:2.1 0.00045494690000000005 0.1216 AML other m 2018-11-27T07:42:59.14
IV.CESI.HHE. ML:1.4 0.000054907604999999996 0.224 AML other m 2018-11-27T07:43:00.56
IV.CESI.HHN. ML:1.6 0.00010067031500000001 0.2432 AML other m 2018-11-27T07:43:00.69
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