Earthquake with magnitude of ML 2.1 on date 28-12-2019 and time 04:29:54 (UTC) in region 5 km SW Acquasanta Terme (AP)

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

  • 28-12-2019 04:29:54 (UTC)
  • 28-12-2019 05:29:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7330, 13.3720 at 15 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
Arquata del Tronto AP 8 1178 4094
Valle Castellana TE 10 977 5071
Accumoli RI 11 667 5738
Montegallo AP 13 523 6261
Amatrice RI 13 2657 8918
Rocca Santa Maria TE 14 537 9455
Cortino TE 17 656 10111
Roccafluvione AP 17 2010 12121
Montemonaco AP 19 604 12725
Venarotta AP 19 2066 14791
Campotosto AQ 19 542 15333
Palmiano AP 20 196 15529

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km W of Teramo (54892 inhabitants)
42 Km N of L'Aquila (69753 inhabitants)
60 Km E of Foligno (57155 inhabitants)
62 Km E of Terni (111501 inhabitants)
68 Km W of Montesilvano (53738 inhabitants)
75 Km W of Pescara (121014 inhabitants)
78 Km NW of Chieti (51815 inhabitants)
90 Km E of Perugia (166134 inhabitants)
97 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Tivoli (56533 inhabitants)
99 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 2019-12-28
04:29:54
42.7332 13.3718 15 2020-02-28
16:42:21
Bollettino Sismico Italiano INGV 76159451
Reviewed
Rev100
ML 2.1 2019-12-28
04:29:54
42.7363 13.393 16 2019-12-28
04:34:24
Sala Sismica INGV-Roma 75031741
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2019-12-28 04:29:54 ± 0.11
Latitude 42.7332 ± 0.0036
Longitude 13.3718 ± 0.0073
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 76159451

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 597
Semi-minor axis of confidence ellipse (meter) 161
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 273
Circular confidence region, given by single value of horizontal uncertainty (meter) 600.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 103
Number of associated phases, regardless of their use for origin computation 47
Number of defining phases 46
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.39
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.82648
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 24
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 76159451
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-02-03 08:58:09

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 32
Type of magnitude ML
Reference to an origin 75031741
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2019-12-28 04:34:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARVD.HHZ. 2019-12-28T04:30:22.96 0.3 undecidable manual S 338 91.7415 93 1.09 45
IV.EL6.EHZ. 2019-12-28T04:30:16.77 0.3 undecidable manual S 342 69.6747 94 0.77 54
IV.CESX.HHZ. 2019-12-28T04:30:15.41 0.3 undecidable manual S 258 65.49 94 0.53 60
IV.ATTE.HHZ. 2019-12-28T04:30:13.53 3.0 undecidable manual P 2.21 0
IV.ARVD.HHZ. 2019-12-28T04:30:10.24 0.6 undecidable manual P 338 91.7415 93 -0.23 41
IV.CESI.HHZ. 2019-12-28T04:30:10.48 0.1 undecidable manual S 309 48.5181 97 0.12 91
IV.CSP1.EHZ. 2019-12-28T04:30:08.47 0.1 undecidable manual S 341 42.0246 98 -0.19 92
IV.SAP2.EHZ. 2019-12-28T04:30:08.75 0.1 undecidable manual S 3 40.4262 99 0.53 85
IV.OFFI.HHE. 2019-12-28T04:30:08.20 0.1 undecidable manual S 49 33.9438 101 1.67 50
IV.FDMO.HHZ. 2019-12-28T04:30:08.12 0.3 undecidable manual S 326 40.8258 98 -0.22 69
IV.GAVE.EHZ. 2019-12-28T04:30:08.32 0.1 undecidable manual S 264 39.2274 99 0.42 87
IV.FEMA.HNE. 2019-12-28T04:30:07.18 0.1 undecidable manual S 314 36.5412 100 -0.01 96
IV.GUMA.HHZ. 2019-12-28T04:30:07.46 0.1 undecidable manual S 355 36.741 100 0.22 92
IV.CESX.HHZ. 2019-12-28T04:30:07.75 0.6 undecidable manual P 258 65.49 94 1.31 28
IV.GIGS.HHZ. 2019-12-28T04:30:06.38 0.1 undecidable manual S 152 35.1426 100 -0.45 86
IV.EL6.EHZ. 2019-12-28T04:30:06.66 0.1 undecidable manual P 342 69.6747 94 -0.42 83
IV.LNSS.HHZ. 2019-12-28T04:30:06.09 0.1 undecidable manual S 242 30.6471 103 0.43 88
IV.RM33.EHZ. 2019-12-28T04:30:05.22 0.1 undecidable manual S 207 27.9498 105 0.25 93
IV.MF5.EHZ. 2019-12-28T04:30:05.63 0.1 undecidable manual S 14 29.1486 104 0.36 91
IV.MC2.EHZ. 2019-12-28T04:30:04.20 0.1 undecidable manual S 323 24.753 108 0.06 97
MN.AQU.HNN. 2019-12-28T04:30:03.55 0.3 undecidable manual P 176 42.1245 98 0.69 60
IV.CESI.HHZ. 2019-12-28T04:30:03.44 0.1 positive manual P 309 48.5181 97 -0.39 87
IV.CAMP.HHZ. 2019-12-28T04:30:03.38 0.1 undecidable manual S 172 22.0668 111 -0.09 95
IV.NRCA.HHZ. 2019-12-28T04:30:03.38 0.1 undecidable manual S 298 23.754 109 -0.51 89
IV.FDMO.HHZ. 2019-12-28T04:30:02.12 0.1 positive manual P 326 40.8258 98 -0.54 84
IV.MNTT.EHZ. 2019-12-28T04:30:02.79 0.1 undecidable manual P 26 40.7259 98 0.14 93
IV.GAVE.EHZ. 2019-12-28T04:30:02.30 0.1 undecidable manual P 264 39.2274 99 -0.11 93
IV.MMO1.EHZ. 2019-12-28T04:30:02.23 0.1 undecidable manual S 349 18.7701 116 -0.44 90
IV.CSP1.EHZ. 2019-12-28T04:30:02.36 0.1 negative manual P 341 42.0246 98 -0.48 86
IV.SAP2.EHZ. 2019-12-28T04:30:02.54 0.1 undecidable manual P 3 40.4262 99 -0.05 94
IV.SMA1.EHZ. 2019-12-28T04:30:01.17 0.1 undecidable manual S 195 11.7771 134 0.05 100
IV.LNSS.HHZ. 2019-12-28T04:30:01.03 0.1 negative manual P 242 30.6471 103 -0.08 95
IV.FEMA.HNE. 2019-12-28T04:30:01.70 0.1 undecidable manual P 314 36.5412 100 -0.3 90
IV.GIGS.HHZ. 2019-12-28T04:30:01.28 0.1 positive manual P 152 35.1426 100 -0.51 84
IV.GUMA.HHZ. 2019-12-28T04:30:01.83 0.1 negative manual P 355 36.741 100 -0.2 92
IV.T1299.HNN. 2019-12-28T04:30:01.77 0.1 undecidable manual S 214 13.1757 129 0.37 93
IV.OFFI.HHE. 2019-12-28T04:30:01.87 0.1 undecidable manual P 49 33.9438 101 0.25 92
IV.MF5.EHZ. 2019-12-28T04:30:00.79 0.1 negative manual P 14 29.1486 104 -0.1 95
IV.RM33.EHZ. 2019-12-28T04:30:00.61 0.1 negative manual P 207 27.9498 105 -0.1 95
IV.MC2.EHZ. 2019-12-28T04:30:00.04 0.1 positive manual P 323 24.753 108 -0.2 94
IV.CAMP.HHZ. 2019-12-28T04:29:59.67 0.1 negative manual P 172 22.0668 111 -0.18 94
IV.NRCA.HHZ. 2019-12-28T04:29:59.82 0.1 positive manual P 298 23.754 109 -0.27 93
IV.MTRA.HNZ. 2019-12-28T04:29:59.73 0.1 undecidable manual S 38 3.2967 165 -0.22 96
IV.T1299.HNN. 2019-12-28T04:29:58.80 0.1 negative manual P 214 13.1757 129 0.14 98
IV.SMA1.EHZ. 2019-12-28T04:29:58.52 0.1 negative manual P 195 11.7771 134 0.03 100
IV.MMO1.EHZ. 2019-12-28T04:29:58.97 0.1 negative manual P 349 18.7701 116 -0.41 90
IV.MTRA.HNZ. 2019-12-28T04:29:57.62 0.1 undecidable manual P 38 3.2967 165 -0.2 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:2.1 0.0014049999999999998 0.22 AML other m 2019-12-28T04:29:59.82
IV.MTRA.HNN. ML:2.1 0.00135 0.22 AML other m 2019-12-28T04:29:59.82
IV.MTRA.HNE. ML:2.4 0.00296 0.18 AML other m 2019-12-28T04:29:59.81
IV.MTRA.EHE. ML:2.4 0.0029699999999999996 0.2 AML other m 2019-12-28T04:29:59.81
IV.SMA1.EHN. ML:2.0 0.0008600000000000001 0.24 AML other m 2019-12-28T04:30:01.39
IV.SMA1.EHE. ML:2.2 0.001265 0.28 AML other m 2019-12-28T04:30:01.45
IV.CAMP.HHE. ML:1.9 0.000468 0.36 AML other m 2019-12-28T04:30:03.61
IV.NRCA.HNE. ML:2.3 0.00106 0.18 AML other m 2019-12-28T04:30:03.89
IV.NRCA.HHE. ML:2.3 0.001135 1.3 AML other m 2019-12-28T04:30:03.15
IV.NRCA.HNN. ML:2.2 0.0008175 1.06 AML other m 2019-12-28T04:30:03.91
IV.NRCA.HHN. ML:2.2 0.0008705000000000001 0.1 AML other m 2019-12-28T04:30:03.91
IV.CAMP.HHN. ML:1.7 0.0003185 1.68 AML other m 2019-12-28T04:30:05.09
IV.RM33.EHN. ML:1.9 0.000357 0.32 AML other m 2019-12-28T04:30:05.53
IV.RM33.EHE. ML:1.8 0.0003075 0.18 AML other m 2019-12-28T04:30:05.82
IV.MF5.EHN. ML:2.0 0.00046750000000000003 0.32 AML other m 2019-12-28T04:30:06.27
IV.MF5.EHE. ML:2.1 0.000565 0.52 AML other m 2019-12-28T04:30:06.31
IV.LNSS.HHN. ML:2.3 0.0008269999999999999 0.38 AML other m 2019-12-28T04:30:06.36
IV.GIGS.HHE. ML:1.9 0.0003105 0.28 AML other m 2019-12-28T04:30:06.76
IV.GIGS.HHN. ML:1.5 0.0001265 0.42 AML other m 2019-12-28T04:30:06.78
IV.LNSS.HHE. ML:2.1 0.0005225 0.18 AML other m 2019-12-28T04:30:06.93
IV.GUMA.HHE. ML:2.8 0.002235 0.24 AML other m 2019-12-28T04:30:07.80
IV.GUMA.HHN. ML:2.6 0.00138 0.34 AML other m 2019-12-28T04:30:08.29
IV.GAVE.EHN. ML:2.4 0.0009085 0.7 AML other m 2019-12-28T04:30:08.89
IV.CSP1.EHE. ML:2.2 0.00046199999999999995 0.46 AML other m 2019-12-28T04:30:08.70
IV.CSP1.EHN. ML:2.0 0.000309 0.34 AML other m 2019-12-28T04:30:08.70
IV.GAVE.EHE. ML:2.2 0.0005620000000000001 0.2 AML other m 2019-12-28T04:30:09.08
IV.SAP2.EHN. ML:2.7 0.0016899999999999999 0.82 AML other m 2019-12-28T04:30:10.02
IV.CESI.HHN. ML:2.1 0.00035450000000000005 1.54 AML other m 2019-12-28T04:30:10.03
IV.CESI.HHE. ML:1.8 0.000161 0.24 AML other m 2019-12-28T04:30:10.70
IV.SAP2.EHE. ML:2.0 0.00030649999999999997 1.16 AML other m 2019-12-28T04:30:14.35
IV.CESX.HHN. ML:1.8 0.00011925 1.6 AML other m 2019-12-28T04:30:17.03
IV.CESX.HHE. ML:1.8 0.0001022 0.38 AML other m 2019-12-28T04:30:20.21
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