Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 13-03-2020 and time 12:13:29 (Italy) in region 4 km E Acquasanta Terme (AP)

A magnitude ML 2.1 earthquake occured in region: 4 km E Acquasanta Terme (AP), on

  • 13-03-2020 11:13:29 (UTC)
  • 13-03-2020 12:13:29 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7650, 13.4530 at 20 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 4 2916 2916
Valle Castellana TE 5 977 3893
Rocca Santa Maria TE 11 537 4430
Roccafluvione AP 11 2010 6440
Arquata del Tronto AP 13 1178 7618
Montegallo AP 13 523 8141
Venarotta AP 13 2066 10207
Ascoli Piceno AP 14 49407 59614
Palmiano AP 15 196 59810
Folignano AP 16 9241 69051
Cortino TE 17 656 69707
Civitella del Tronto TE 17 5116 74823
Montemonaco AP 18 604 75427
Accumoli RI 18 667 76094
Campli TE 20 7209 83303

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NW of Teramo (54892 inhabitants)
46 Km N of L'Aquila (69753 inhabitants)
64 Km W of Montesilvano (53738 inhabitants)
65 Km E of Foligno (57155 inhabitants)
70 Km E of Terni (111501 inhabitants)
71 Km W of Pescara (121014 inhabitants)
75 Km NW of Chieti (51815 inhabitants)
95 Km E of Perugia (166134 inhabitants)
95 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 2020-03-13
11:13:29		 42.7653 13.453 20 2020-07-18
21:08:28		 Bollettino Sismico Italiano INGV 77531611
Reviewed
Rev100 		ML 2.1 2020-03-13
11:13:29		 42.7645 13.4488 19 2020-03-13
11:20:18		 Sala Sismica INGV-Roma 77235931
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-03-13 11:13:29 ± 0.07
Latitude 42.7653 ± 0.0027
Longitude 13.4530 ± 0.0049
Depth (km) 20 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77531611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 426
Semi-minor axis of confidence ellipse (meter) 81
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 258
Circular confidence region, given by single value of horizontal uncertainty (meter) 430.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 97
Number of associated phases, regardless of their use for origin computation 49
Number of defining phases 41
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.64841
Number of stations at which the event was observed 28
Number of stations from which data was used for origin computation 25
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 77235931
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-03-13 11:20:18

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 42
Type of magnitude ML
Reference to an origin 77531611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-03-24 14:10:30
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LPEL.HHZ. 2020-03-13T11:13:58.40 3.0 undecidable manual S -0.13 0
IV.MOMA.HHZ. 2020-03-13T11:13:51.90 3.0 undecidable manual S 274 71.9724 99 1.02 0
IV.T0110.HHZ. 2020-03-13T11:13:50.10 3.0 undecidable manual S 156 65.0904 100 1.06 0
IV.EL6.EHZ. 2020-03-13T11:13:50.90 3.0 undecidable manual S 336 68.7756 99 0.88 0
IV.VCEL.EHZ. 2020-03-13T11:13:46.30 3.0 undecidable manual S 142 51.9036 103 0.7 0
IV.CESI.HHZ. 2020-03-13T11:13:45.90 0.3 undecidable manual S 301 51.9036 103 0.3 67
IV.FDMO.HHZ. 2020-03-13T11:13:43.00 0.3 undecidable manual S 315 42.3243 107 -0.12 71
IV.CSP1.EHZ. 2020-03-13T11:13:43.10 1.0 undecidable manual S 331 41.4252 107 0.2 23
IV.LNSS.HHZ. 2020-03-13T11:13:42.50 0.3 undecidable manual S 242 38.1285 109 0.43 67
IV.MOMA.HHZ. 2020-03-13T11:13:41.74 0.3 undecidable manual P 274 71.9724 99 0.1 68
IV.GUMA.HHZ. 2020-03-13T11:13:41.60 1.0 undecidable manual S 344 34.3434 111 0.49 22
IV.EL6.EHZ. 2020-03-13T11:13:41.14 0.3 undecidable manual P 336 68.7756 99 0 69
IV.RM33.EHZ. 2020-03-13T11:13:41.50 1.0 undecidable manual S 214 34.4433 111 0.36 23
IV.GIGS.HHZ. 2020-03-13T11:13:41.20 0.6 undecidable manual S 164 35.9418 110 -0.32 46
IV.OFFI.HHZ. 2020-03-13T11:13:40.80 3.0 undecidable manual S 45 26.6511 119 1.54 0
IV.FIAM.HNN. 2020-03-13T11:13:40.02 1.0 undecidable manual P 207 61.5939 100 -0.04 23
IV.T0110.HHZ. 2020-03-13T11:13:40.67 0.3 undecidable manual P 156 65.0904 100 0.09 69
IV.MC2.EHZ. 2020-03-13T11:13:39.50 0.3 undecidable manual S 307 26.9508 118 0.19 71
IV.CAMP.HHZ. 2020-03-13T11:13:39.10 0.6 undecidable manual S 188 25.752 120 0.07 49
IV.NRCA.HNZ. 2020-03-13T11:13:39.60 0.3 undecidable manual S 285 28.5492 116 -0.1 73
IV.MF5.EHZ. 2020-03-13T11:13:39.10 0.3 undecidable manual S 1 24.6531 121 0.31 69
IV.VCEL.EHZ. 2020-03-13T11:13:38.76 0.3 undecidable manual P 142 51.9036 103 0.17 69
IV.CESI.HHZ. 2020-03-13T11:13:38.47 0.1 undecidable manual P 301 51.9036 103 -0.12 92
IV.T1299.HNN. 2020-03-13T11:13:38.10 0.3 undecidable manual S 224 20.1687 128 0.32 71
IV.MML1.HNE. 2020-03-13T11:13:38.87 0.1 undecidable manual P 315 54.9006 102 -0.18 91
IV.TERO.HHZ. 2020-03-13T11:13:37.60 0.3 undecidable manual S 142 20.0688 128 -0.16 73
IV.SMA1.EHZ. 2020-03-13T11:13:37.40 0.3 undecidable manual S 213 17.7711 132 0.1 74
IT.MTCL.HGZ. 2020-03-13T11:13:37.31 0.3 undecidable manual P 305 44.7219 105 -0.21 69
IV.RM33.EHZ. 2020-03-13T11:13:36.05 0.1 positive manual P 214 34.4433 111 0.04 98
IV.FEMA.HNE. 2020-03-13T11:13:36.66 0.3 undecidable manual P 304 39.4272 108 -0.07 72
IV.CSP1.EHZ. 2020-03-13T11:13:36.82 0.3 undecidable manual P 331 41.4252 107 -0.21 69
IV.LNSS.HHZ. 2020-03-13T11:13:36.58 0.1 undecidable manual P 242 38.1285 109 0.03 97
IV.GUMA.HHZ. 2020-03-13T11:13:36.07 0.1 undecidable manual P 344 34.3434 111 0.07 97
IV.FDMO.HHZ. 2020-03-13T11:13:36.96 0.1 undecidable manual P 315 42.3243 107 -0.2 93
IV.MMO1.EHZ. 2020-03-13T11:13:36.90 0.3 undecidable manual S 325 18.0708 131 -0.46 69
IV.NRCA.HNZ. 2020-03-13T11:13:35.09 0.1 negative manual P 285 28.5492 116 -0.1 97
IV.MTRA.EHZ. 2020-03-13T11:13:35.00 0.3 undecidable manual S 258 4.6953 165 -0.43 72
IV.GIGS.HHZ. 2020-03-13T11:13:35.95 0.3 undecidable manual P 164 35.9418 110 -0.28 69
IV.OFFI.HHZ. 2020-03-13T11:13:35.48 0.1 undecidable manual P 45 26.6511 119 0.55 87
IV.MF5.EHZ. 2020-03-13T11:13:34.73 0.1 undecidable manual P 1 24.6531 121 0.07 98
IV.MC2.EHZ. 2020-03-13T11:13:34.94 0.1 undecidable manual P 307 26.9508 118 -0.02 99
IV.TERO.HHZ. 2020-03-13T11:13:34.00 0.1 undecidable manual P 142 20.0688 128 -0.07 99
IV.T1299.HNN. 2020-03-13T11:13:34.31 0.1 positive manual P 224 20.1687 128 0.23 96
IV.CAMP.HHZ. 2020-03-13T11:13:34.82 0.1 positive manual P 188 25.752 120 0.02 99
IV.SMA1.EHZ. 2020-03-13T11:13:33.89 0.1 undecidable manual P 213 17.7711 132 0.09 99
IV.SAP2.EHE. 2020-03-13T11:13:33.21 3.0 undecidable manual P 37.0296 -3.17 0
IV.MNTT.EHZ. 2020-03-13T11:13:33.75 3.0 negative manual P 34.9428 -2.33 0
IV.MMO1.EHZ. 2020-03-13T11:13:33.65 0.1 undecidable manual P 325 18.0708 131 -0.19 97
IV.MTRA.EHZ. 2020-03-13T11:13:32.54 0.1 undecidable manual P 258 4.6953 165 -0.18 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.HNN. ML:2.2 0.0012349999999999998 0.26 AML other m 2020-03-13T11:13:35.22
IV.MTRA.EHN. ML:2.2 0.00125 0.26 AML other m 2020-03-13T11:13:35.22
IV.MTRA.EHE. ML:2.1 0.001142 0.62 AML other m 2020-03-13T11:13:35.41
IV.MTRA.HNE. ML:2.1 0.0010834999999999998 0.62 AML other m 2020-03-13T11:13:35.41
IV.SMA1.EHN. ML:2.3 0.0011 0.18 AML other m 2020-03-13T11:13:37.55
IV.SMA1.EHE. ML:2.2 0.0009344999999999999 1.12 AML other m 2020-03-13T11:13:37.62
IV.TERO.HHE. ML:2.2 0.0008135 0.08 AML other m 2020-03-13T11:13:37.93
IV.TERO.HHN. ML:2.4 0.0013965000000000002 1.16 AML other m 2020-03-13T11:13:38.89
IV.TERO.HNN. ML:2.4 0.001348 1.18 AML other m 2020-03-13T11:13:38.90
IV.TERO.HNE. ML:2.2 0.0008605 1.28 AML other m 2020-03-13T11:13:38.03
IV.CAMP.HHE. ML:2.0 0.00044950000000000003 0.24 AML other m 2020-03-13T11:13:39.38
IV.MF5.EHN. ML:1.8 0.0002825 0.86 AML other m 2020-03-13T11:13:39.82
IV.MF5.EHE. ML:1.8 0.0003165 0.38 AML other m 2020-03-13T11:13:39.45
IV.NRCA.HNE. ML:2.6 0.00171 0.34 AML other m 2020-03-13T11:13:39.96
IV.NRCA.HHE. ML:2.6 0.0018849999999999997 0.34 AML other m 2020-03-13T11:13:39.96
IV.CAMP.HHN. ML:1.7 0.0002215 0.8 AML other m 2020-03-13T11:13:39.90
IV.NRCA.HNN. ML:2.7 0.002335 0.16 AML other m 2020-03-13T11:13:39.91
IV.NRCA.HHN. ML:2.8 0.0024000000000000002 0.16 AML other m 2020-03-13T11:13:39.91
IV.OFFI.HHN. ML:2.2 0.0007255 0.54 AML other m 2020-03-13T11:13:41.68
IV.OFFI.HHE. ML:2.0 0.000519 0.88 AML other m 2020-03-13T11:13:41.48
IV.GUMA.HHE. ML:2.4 0.0008800000000000001 0.18 AML other m 2020-03-13T11:13:41.82
IV.GUMA.HHN. ML:2.4 0.0009630000000000001 0.24 AML other m 2020-03-13T11:13:41.97
IV.GUMA.HNN. ML:2.4 0.0008255000000000001 0.28 AML other m 2020-03-13T11:13:41.83
IV.GIGS.HHN. ML:1.3 0.00007275 0.44 AML other m 2020-03-13T11:13:42.71
IV.RM33.EHN. ML:1.6 0.00014172465 0.1152 AML other m 2020-03-13T11:13:42.55
IV.RM33.EHE. ML:1.5 0.00010982752999999999 0.6784 AML other m 2020-03-13T11:13:42.77
IV.GIGS.HHE. ML:1.5 0.0001023 0.4 AML other m 2020-03-13T11:13:42.62
IV.LNSS.HHN. ML:2.2 0.000507 1.3 AML other m 2020-03-13T11:13:43.66
IV.GUMA.HNE. ML:2.3 0.0006585000000000001 0.3 AML other m 2020-03-13T11:13:43.00
IV.FDMO.HHE. ML:1.9 0.000248 0.18 AML other m 2020-03-13T11:13:43.29
IV.LNSS.HHE. ML:2.0 0.00035499999999999996 0.56 AML other m 2020-03-13T11:13:43.44
IV.CSP1.EHE. ML:1.9 0.000261 0.38 AML other m 2020-03-13T11:13:43.45
IV.FDMO.HHN. ML:2.2 0.00042449999999999996 0.38 AML other m 2020-03-13T11:13:43.49
IV.CSP1.EHN. ML:1.8 0.00017649999999999998 1 AML other m 2020-03-13T11:13:44.93
IV.CESI.HHE. ML:1.7 0.0001135 0.16 AML other m 2020-03-13T11:13:46.25
IV.CESI.HHN. ML:2.2 0.0003415 0.46 AML other m 2020-03-13T11:13:46.49
IV.VCEL.EHN. ML:2.2 0.0003555 0.38 AML other m 2020-03-13T11:13:46.74
IV.VCEL.EHE. ML:2.2 0.00033699999999999995 0.58 AML other m 2020-03-13T11:13:46.82
IV.T0110.HHE. ML:1.7 0.00008170223500000001 0.1984 AML other m 2020-03-13T11:13:51.81
IV.MOMA.HHN. ML:1.7 0.00007805 0.54 AML other m 2020-03-13T11:13:52.35
IV.MOMA.HHE. ML:1.9 0.000131 0.18 AML other m 2020-03-13T11:13:52.50
IV.T0110.HHN. ML:1.7 0.000092209165 0.6016 AML other m 2020-03-13T11:13:53.48
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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