Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.8 on date 27-01-2020 and time 16:08:58 (Italy) in region 5 km NE Acquasanta Terme (AP)

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

  • 27-01-2020 15:08:58 (UTC)
  • 27-01-2020 16:08:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.8130, 13.4420 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 5 2916 2916
Roccafluvione AP 6 2010 4926
Venarotta AP 9 2066 6992
Montegallo AP 9 523 7515
Valle Castellana TE 10 977 8492
Palmiano AP 10 196 8688
Ascoli Piceno AP 12 49407 58095
Arquata del Tronto AP 13 1178 59273
Montemonaco AP 14 604 59877
Rocca Santa Maria TE 16 537 60414
Folignano AP 16 9241 69655
Comunanza AP 16 3166 72821
Montefortino FM 17 1178 73999
Force AP 17 1354 75353
Rotella AP 19 906 76259
Civitella del Tronto TE 19 5116 81375
Montefalcone Appennino FM 20 424 81799
Amandola FM 20 3629 85428

Municipalities with at least 50000 inhabitants

An earthquake occurred to
27 Km NW of Teramo (54892 inhabitants)
51 Km N of L'Aquila (69753 inhabitants)
62 Km E of Foligno (57155 inhabitants)
67 Km NW of Montesilvano (53738 inhabitants)
71 Km E of Terni (111501 inhabitants)
74 Km NW of Pescara (121014 inhabitants)
79 Km NW of Chieti (51815 inhabitants)
90 Km S of Ancona (100861 inhabitants)
92 Km E of Perugia (166134 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 1.8 2020-01-27
15:08:58		 42.8127 13.4415 19 2020-07-18
21:08:19		 Bollettino Sismico Italiano INGV 76287751
Reviewed
Rev100 		ML 1.8 2020-01-27
15:08:58		 42.8093 13.4397 20 2020-01-27
15:17:59		 Sala Sismica INGV-Roma 75913541
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-01-27 15:08:58 ± 0.09
Latitude 42.8127 ± 0.0027
Longitude 13.4415 ± 0.0061
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 76287751

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 485
Semi-minor axis of confidence ellipse (meter) 254
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 490.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 141
Number of associated phases, regardless of their use for origin computation 54
Number of defining phases 43
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.25
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.63942
Number of stations at which the event was observed 33
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 76287751
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-06 11:13:51

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 30
Type of magnitude ML
Reference to an origin 75913541
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-01-27 15:17:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SLCN.HHZ. 2020-01-27T15:10:24.51 3.0 undecidable manual Sg 4.38 0
IV.MCRV.HHZ. 2020-01-27T15:10:12.10 3.0 undecidable manual Sg 4.74 0
IV.NDIM.HHZ. 2020-01-27T15:10:12.81 3.0 undecidable manual Sn -2.62 0
IV.IST3.HHZ. 2020-01-27T15:10:06.05 3.0 negative manual Pn 3.84 0
CR.STON.BHZ. 2020-01-27T15:09:51.60 3.0 negative manual Pn 4.21 0
IV.SACR.HHZ. 2020-01-27T15:09:49.70 3.0 undecidable manual Sn -0.43 0
IV.VENL.HNZ. 2020-01-27T15:09:46.02 3.0 negative manual Pg 4.94 0
IV.MTRZ.HNZ. 2020-01-27T15:09:39.56 3.0 undecidable manual Pg 7.12 0
IV.SACS.HNZ. 2020-01-27T15:09:35.99 3.0 undecidable manual S 1.01 0
IV.MOMA.HHZ. 2020-01-27T15:09:20.59 0.1 undecidable manual S 270 70.9734 98 0.84 71
IV.ASSB.HHZ. 2020-01-27T15:09:19.46 0.6 undecidable manual S 292 68.4759 98 0.35 42
IV.CIMA.HNZ. 2020-01-27T15:09:18.17 3.0 undecidable manual S 0.08 0
IV.VCEL.EHN. 2020-01-27T15:09:16.83 0.1 undecidable manual S 145 56.6988 100 0.84 73
IV.CESI.HHZ. 2020-01-27T15:09:14.01 0.6 undecidable manual S 296 48.5181 102 0.15 46
IV.GAVE.EHZ. 2020-01-27T15:09:13.66 0.3 undecidable manual S 253 46.5201 103 0.32 67
IT.MTCL.HGZ. 2020-01-27T15:09:11.84 0.3 undecidable manual S 299 41.1255 105 -0.1 70
IV.LNSS.HHZ. 2020-01-27T15:09:11.84 0.3 undecidable manual S 235 40.1265 106 0.16 70
IV.GIGS.HHZ. 2020-01-27T15:09:11.70 0.6 undecidable manual S 165 41.3253 105 -0.28 45
IV.RM33.EHZ. 2020-01-27T15:09:11.23 0.3 undecidable manual S 209 38.4282 106 -0.01 71
IV.MOMA.HHZ. 2020-01-27T15:09:10.53 0.3 undecidable manual P 270 70.9734 98 -0.12 66
IV.ASSB.HHZ. 2020-01-27T15:09:10.29 0.6 undecidable manual P 292 68.4759 98 0.01 45
IV.CSP1.EHZ. 2020-01-27T15:09:10.82 0.3 undecidable manual S 328 36.4413 108 0.09 71
IV.FDMO.HHZ. 2020-01-27T15:09:10.90 0.3 undecidable manual S 311 38.0286 107 -0.23 69
IV.FEMA.HNE. 2020-01-27T15:09:10.73 0.6 undecidable manual S 298 35.9418 108 0.14 47
IV.T0110.HHZ. 2020-01-27T15:09:10.54 0.3 undecidable manual P 157 70.2741 98 -0.01 68
IV.GUMA.HHZ. 2020-01-27T15:09:09.41 0.3 undecidable manual S 343 29.0487 113 0.53 65
IV.EL6.EHZ. 2020-01-27T15:09:09.59 3.0 positive manual P -0.47 0
IV.CAMP.HHE. 2020-01-27T15:09:09.40 0.1 undecidable manual S 185 30.8469 112 0.08 96
IV.VCEL.EHN. 2020-01-27T15:09:08.51 0.3 undecidable manual P 145 56.6988 100 0.03 69
IV.NRCA.HNZ. 2020-01-27T15:09:08.14 0.3 undecidable manual S 275 26.751 116 -0.18 71
IV.SMA1.EHZ. 2020-01-27T15:09:07.07 0.3 undecidable manual S 203 21.9669 122 -0.14 72
IV.MC2.EHZ. 2020-01-27T15:09:07.50 0.6 undecidable manual S 298 23.2545 120 0 49
IV.T1299.HNZ. 2020-01-27T15:09:07.76 0.3 undecidable manual S 213 23.6541 120 0.16 72
IV.MF5.EHZ. 2020-01-27T15:09:07.25 0.3 undecidable manual S 4 19.4694 126 0.59 64
IV.GAVE.EHZ. 2020-01-27T15:09:06.69 0.3 undecidable manual P 253 46.5201 103 -0.26 67
IV.CESI.HHZ. 2020-01-27T15:09:06.93 0.3 undecidable manual P 296 48.5181 102 -0.32 66
IV.FDMO.HHZ. 2020-01-27T15:09:05.35 0.3 undecidable manual P 311 38.0286 107 -0.32 67
IV.FEMA.HNE. 2020-01-27T15:09:05.08 0.3 undecidable manual P 298 35.9418 108 -0.29 68
IV.RM33.EHZ. 2020-01-27T15:09:05.59 0.3 undecidable manual P 209 38.4282 106 -0.15 70
IT.MTCL.HGZ. 2020-01-27T15:09:05.76 0.1 undecidable manual P 299 41.1255 105 -0.38 88
IV.LNSS.HHZ. 2020-01-27T15:09:05.79 0.3 undecidable manual P 235 40.1265 106 -0.2 69
IV.MMO1.EHZ. 2020-01-27T15:09:05.24 0.6 undecidable manual S 316 13.3755 139 -0.21 48
IV.CSP1.EHZ. 2020-01-27T15:09:05.20 0.3 undecidable manual P 328 36.4413 108 -0.25 69
IV.GIGS.HHZ. 2020-01-27T15:09:05.83 0.3 undecidable manual P 165 41.3253 105 -0.34 67
IV.MTRA.EHZ. 2020-01-27T15:09:04.40 0.1 undecidable manual S 211 7.1928 156 -0.15 98
IV.GUMA.HHZ. 2020-01-27T15:09:04.51 0.3 undecidable manual P 343 29.0487 113 0.14 71
IV.CAMP.HHE. 2020-01-27T15:09:04.56 0.1 undecidable manual P 185 30.8469 112 -0.07 96
IV.T1299.HNZ. 2020-01-27T15:09:03.71 0.1 undecidable manual P 213 23.6541 120 0.08 97
IV.MF5.EHZ. 2020-01-27T15:09:03.34 0.3 undecidable manual P 4 19.4694 126 0.25 71
IV.NRCA.HNZ. 2020-01-27T15:09:03.82 0.3 undecidable manual P 275 26.751 116 -0.23 70
IV.SMA1.EHZ. 2020-01-27T15:09:03.37 0.3 undecidable manual P 203 21.9669 122 -0.04 73
IV.MC2.EHZ. 2020-01-27T15:09:03.53 0.3 undecidable manual P 298 23.2545 120 -0.05 73
IV.MMO1.EHZ. 2020-01-27T15:09:02.20 0.3 undecidable manual P 316 13.3755 139 -0.2 72
IV.MTRA.EHZ. 2020-01-27T15:09:01.82 0.1 negative manual P 211 7.1928 156 -0.05 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:1.8 0.000501 0.14 AML other m 2020-01-27T15:09:04.51
IV.MTRA.HNN. ML:1.8 0.0005195 0.14 AML other m 2020-01-27T15:09:04.51
IV.MTRA.HNE. ML:2.0 0.000873 0.16 AML other m 2020-01-27T15:09:04.53
IV.MTRA.EHE. ML:2.0 0.000874 0.14 AML other m 2020-01-27T15:09:04.53
IV.SMA1.EHE. ML:2.1 0.0007005000000000001 0.12 AML other m 2020-01-27T15:09:07.47
IV.MF5.EHE. ML:1.8 0.00035250000000000006 0.14 AML other m 2020-01-27T15:09:07.50
IV.SMA1.EHN. ML:2.0 0.00051 0.16 AML other m 2020-01-27T15:09:07.56
IV.MF5.EHN. ML:1.9 0.000482 0.3 AML other m 2020-01-27T15:09:07.45
IV.NRCA.HNE. ML:1.8 0.000302 0.4 AML other m 2020-01-27T15:09:08.64
IV.NRCA.HHE. ML:1.8 0.0003135 0.4 AML other m 2020-01-27T15:09:08.84
IV.NRCA.HNN. ML:2.1 0.0005525 0.6 AML other m 2020-01-27T15:09:08.69
IV.NRCA.HHN. ML:2.1 0.0005705 0.12 AML other m 2020-01-27T15:09:08.69
IV.GUMA.HHE. ML:2.1 0.0005725 0.2 AML other m 2020-01-27T15:09:09.72
IV.GUMA.HHN. ML:2.1 0.0005600000000000001 0.16 AML other m 2020-01-27T15:09:09.72
IV.FDMO.HHE. ML:1.5 0.00011215 0.56 AML other m 2020-01-27T15:09:11.36
IV.FDMO.HHN. ML:1.6 0.000131 0.26 AML other m 2020-01-27T15:09:11.18
IV.CSP1.EHN. ML:1.6 0.000153 0.46 AML other m 2020-01-27T15:09:11.20
IV.CSP1.EHE. ML:1.7 0.000185 0.24 AML other m 2020-01-27T15:09:11.44
IV.RM33.EHE. ML:1.3 0.00006825 0.46 AML other m 2020-01-27T15:09:11.65
IV.RM33.EHN. ML:1.2 0.00004970000000000001 0.6 AML other m 2020-01-27T15:09:11.39
IV.LNSS.HHN. ML:1.9 0.00023750000000000003 0.86 AML other m 2020-01-27T15:09:12.03
IV.LNSS.HHE. ML:1.7 0.00016149999999999997 1.02 AML other m 2020-01-27T15:09:12.44
IV.GAVE.EHN. ML:1.8 0.0001815 0.24 AML other m 2020-01-27T15:09:14.32
IV.GAVE.EHE. ML:1.8 0.000177 0.18 AML other m 2020-01-27T15:09:14.48
IV.CESI.HHN. ML:1.3 0.00005735 1.26 AML other m 2020-01-27T15:09:14.06
IV.CESI.HHE. ML:1.3 0.000052900000000000005 1 AML other m 2020-01-27T15:09:16.66
IV.SACS.HNE. ML:2.5 0.00020099999999999998 0.4 AML other m 2020-01-27T15:09:20.59
IV.ASSB.HHE. ML:1.3 0.000035449999999999994 1.56 AML other m 2020-01-27T15:09:20.03
IV.ASSB.HHN. ML:1.4 0.000043650000000000004 0.22 AML other m 2020-01-27T15:09:21.21
IV.MOMA.HHE. ML:1.5 0.000048799999999999994 0.2 AML other m 2020-01-27T15:09:21.25
IV.MOMA.HHN. ML:1.4 0.000040749999999999994 1.62 AML other m 2020-01-27T15:09:23.16
IV.SACS.HNN. ML:2.5 0.00019915 1.02 AML other m 2020-01-27T15:09:57.76
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