Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 13-03-2018 and time 14:11:54 (Italy) in region 1 km NW Valle Castellana (TE)

A magnitude ML 2.1 earthquake occured in region: 1 km NW Valle Castellana (TE), on

  • 13-03-2018 13:11:54 (UTC)
  • 13-03-2018 14:11:54 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7410, 13.4930 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
Valle Castellana TE 1 977 977
Rocca Santa Maria TE 7 537 1514
Acquasanta Terme AP 8 2916 4430
Cortino TE 13 656 5086
Roccafluvione AP 14 2010 7096
Ascoli Piceno AP 14 49407 56503
Folignano AP 15 9241 65744
Civitella del Tronto TE 15 5116 70860
Venarotta AP 16 2066 72926
Campli TE 16 7209 80135
Torricella Sicura TE 16 2641 82776
Arquata del Tronto AP 16 1178 83954
Montegallo AP 17 523 84477
Palmiano AP 18 196 84673
Maltignano AP 19 2401 87074
Teramo TE 20 54892 141966

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km W of Teramo (54892 inhabitants)
44 Km N of L'Aquila (69753 inhabitants)
59 Km W of Montesilvano (53738 inhabitants)
67 Km W of Pescara (121014 inhabitants)
69 Km E of Foligno (57155 inhabitants)
70 Km NW of Chieti (51815 inhabitants)
72 Km E of Terni (111501 inhabitants)
98 Km S of Ancona (100861 inhabitants)
99 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 2.1 2018-03-13
13:11:54		 42.7407 13.4928 20 2019-04-24
14:49:48		 Bollettino Sismico Italiano INGV 65971621
Reviewed
Rev100 		ML 2.0 2018-03-13
13:11:53		 42.7388 13.4917 20 2018-03-13
13:20:15		 Sala Sismica INGV-Roma 54575101
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-03-13 13:11:54 ± 0.13
Latitude 42.7407 ± 0.0045
Longitude 13.4928 ± 0.0073
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 65971621

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 553
Semi-minor axis of confidence ellipse (meter) 303
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 266
Circular confidence region, given by single value of horizontal uncertainty (meter) 550.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 67
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 37
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.07285
Epicentral distance of station farthest from the epicenter (degree) 0.85705
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 22
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 36
Type of magnitude ML
Reference to an origin 65971621
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-26 02:13:04

ML:2.0

Field Value
Value 2.0
Uncertainty 0.2
Num. used stations 22
Type of magnitude ML
Reference to an origin 54575101
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-03-13 13:20:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.EL6.EHZ. 2018-03-13T13:12:16.89 0.6 undecidable manual S 334 72.5718 99 0.87 36
IV.ARRO.EHZ. 2018-03-13T13:12:13.64 0.6 undecidable manual S 253 61.9935 100 0.43 43
IV.CESI.HHZ. 2018-03-13T13:12:12.04 0.6 undecidable manual S 302 56.0994 102 0.36 45
IV.ARVD.HHZ. 2018-03-13T13:12:10.34 0.3 undecidable manual P 332 95.1381 96 0.18 64
IV.SNTG.HHZ. 2018-03-13T13:12:06.40 0.3 undecidable manual P 322 72.5718 99 -0.31 64
IV.RM33.EHZ. 2018-03-13T13:12:06.51 0.6 undecidable manual S 222 34.3434 111 0.43 45
IV.CING.HHZ. 2018-03-13T13:12:06.79 0.3 undecidable manual P 341 74.4699 98 -0.2 65
IV.EL6.EHZ. 2018-03-13T13:12:06.33 0.1 undecidable manual P 334 72.5718 99 -0.38 84
IV.OFFI.HHZ. 2018-03-13T13:12:05.13 0.3 undecidable manual S 36 26.6511 119 0.89 57
IV.MC2.EHZ. 2018-03-13T13:12:05.52 0.3 undecidable manual S 308 31.1466 114 0.21 72
IV.ARRO.EHZ. 2018-03-13T13:12:05.11 0.1 undecidable manual P 253 61.9935 100 0.01 93
IV.GIGS.HHZ. 2018-03-13T13:12:05.49 0.3 undecidable manual S 168 32.5452 113 -0.17 73
IV.NRCA.HHZ. 2018-03-13T13:12:05.89 0.3 undecidable manual S 289 32.4453 113 0.25 71
IV.CESI.HHZ. 2018-03-13T13:12:04.11 0.1 undecidable manual P 302 56.0994 102 -0.1 92
IV.MF5.EHZ. 2018-03-13T13:12:04.79 0.3 undecidable manual S 354 27.5502 118 0.34 70
IV.T1299.HNZ. 2018-03-13T13:12:03.14 0.6 undecidable manual S 236 20.868 127 0.22 48
IV.CAMP.HHZ. 2018-03-13T13:12:03.86 0.6 undecidable manual S 197 23.754 122 0.3 47
IV.FAGN.HHZ. 2018-03-13T13:12:03.31 0.3 undecidable manual P 172 53.2023 103 -0.46 65
IV.CSP1.EHZ. 2018-03-13T13:12:02.25 0.3 undecidable manual P 329 45.4212 105 -0.36 66
IV.MMO1.EHZ. 2018-03-13T13:12:02.79 0.3 undecidable manual S 323 22.1556 125 -0.43 68
IV.SMA1.EHZ. 2018-03-13T13:12:02.47 0.3 undecidable manual S 226 17.7711 132 0.19 73
IV.LNSS.HHZ. 2018-03-13T13:12:01.89 0.6 undecidable manual P 248 39.9267 108 0.09 48
IV.RM33.EHZ. 2018-03-13T13:12:01.16 0.3 undecidable manual P 222 34.3434 111 0.18 71
IV.TERO.HNZ. 2018-03-13T13:12:01.77 0.1 undecidable manual S 145 15.873 136 -0.16 100
IV.TRTR.HHZ. 2018-03-13T13:12:01.52 0.3 undecidable manual P 78 35.1426 111 0.43 66
IV.GIGS.HHZ. 2018-03-13T13:12:00.47 0.3 undecidable manual P 168 32.5452 113 -0.26 71
IV.NRCA.HHZ. 2018-03-13T13:12:00.60 0.3 undecidable manual P 289 32.4453 113 -0.12 72
IV.MTRA.HNZ. 2018-03-13T13:12:00.20 0.3 undecidable manual S 283 8.0808 155 -0.53 68
IV.OFFI.HHZ. 2018-03-13T13:12:00.10 0.3 undecidable manual P 36 26.6511 119 0.19 71
IV.MC2.EHZ. 2018-03-13T13:12:00.44 0.3 undecidable manual P 308 31.1466 114 -0.09 72
IV.CAMP.HHZ. 2018-03-13T13:11:59.54 0.3 undecidable manual P 197 23.754 122 0.02 74
IV.MF5.EHZ. 2018-03-13T13:11:59.84 0.1 undecidable manual P 354 27.5502 118 -0.19 95
IV.MMO1.EHZ. 2018-03-13T13:11:59.02 0.1 undecidable manual P 323 22.1556 125 -0.3 94
IV.T1299.HNZ. 2018-03-13T13:11:59.45 0.1 undecidable manual P 236 20.868 127 0.3 94
IV.TERO.HNZ. 2018-03-13T13:11:58.41 0.3 undecidable manual P 145 15.873 136 -0.17 74
IV.SMA1.EHZ. 2018-03-13T13:11:58.96 0.3 undecidable manual P 226 17.7711 132 0.18 73
IV.MTRA.HNZ. 2018-03-13T13:11:57.64 0.1 undecidable manual P 283 8.0808 155 -0.24 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHE. ML:2.2 0.0011899999999999999 0.36 AML other m 2018-03-13T13:12:00.54
IV.MTRA.EHN. ML:2.1 0.0010249999999999999 0.28 AML other m 2018-03-13T13:12:00.33
IV.TERO.HNN. ML:2.4 0.00156 1.54 AML other m 2018-03-13T13:12:01.05
IV.TERO.HHN. ML:2.7 0.00331 1.54 AML other m 2018-03-13T13:12:01.05
IV.TERO.HNE. ML:2.3 0.0013485 0.08 AML other m 2018-03-13T13:12:02.05
IV.TERO.HHE. ML:2.6 0.002715 0.08 AML other m 2018-03-13T13:12:02.05
IV.SMA1.EHN. ML:2.4 0.001615 0.42 AML other m 2018-03-13T13:12:02.88
IV.SMA1.EHE. ML:2.4 0.0013700000000000001 1.8 AML other m 2018-03-13T13:12:02.06
IV.T1299.EHN. ML:2.2 0.0009159999999999999 0.16 AML other m 2018-03-13T13:12:03.96
IV.T1299.EHE. ML:2.0 0.0006125000000000001 0.16 AML other m 2018-03-13T13:12:04.22
IV.OFFI.HHN. ML:2.3 0.0008489999999999999 1.16 AML other m 2018-03-13T13:12:05.96
IV.GIGS.HHE. ML:1.6 0.00013550000000000001 0.12 AML other m 2018-03-13T13:12:05.57
IV.NRCA.HNE. ML:2.8 0.002165 0.08 AML other m 2018-03-13T13:12:06.24
IV.NRCA.HHE. ML:2.8 0.002395 0.1 AML other m 2018-03-13T13:12:06.24
IV.GIGS.HHN. ML:1.4 0.00009884999999999999 1.16 AML other m 2018-03-13T13:12:06.38
IV.NRCA.HHN. ML:2.8 0.00219 0.1 AML other m 2018-03-13T13:12:06.42
IV.NRCA.HNN. ML:2.7 0.0020299999999999997 0.12 AML other m 2018-03-13T13:12:06.42
IV.RM33.EHE. ML:2.2 0.0005565 0.84 AML other m 2018-03-13T13:12:06.57
IV.MF5.EHE. ML:1.8 0.00029400000000000004 0.38 AML other m 2018-03-13T13:12:08.49
IV.LNSS.HHE. ML:2.1 0.00039400000000000004 0.16 AML other m 2018-03-13T13:12:08.56
IV.MF5.EHN. ML:1.9 0.00032599999999999996 0.4 AML other m 2018-03-13T13:12:08.68
IV.RM33.EHN. ML:2.1 0.00045200000000000004 0.9 AML other m 2018-03-13T13:12:09.04
IV.OFFI.HHE. ML:2.2 0.0007235000000000001 0.58 AML other m 2018-03-13T13:12:09.15
IV.LNSS.HHN. ML:2.1 0.000384 1.36 AML other m 2018-03-13T13:12:09.97
IV.ARVD.HHE. ML:1.6 0.00004035 0.42 AML other m 2018-03-13T13:12:12.66
IV.CESI.HHN. ML:2.3 0.00040800000000000005 0.46 AML other m 2018-03-13T13:12:12.70
IV.CESI.HHE. ML:2.2 0.00033650000000000005 0.84 AML other m 2018-03-13T13:12:12.31
IV.T0110.HHN. ML:1.9 0.00016149999999999997 0.2 AML other m 2018-03-13T13:12:16.89
IV.FAGN.HHE. ML:1.8 0.000149 0.62 AML other m 2018-03-13T13:12:18.39
IV.T0110.HHE. ML:1.8 0.000135 0.48 AML other m 2018-03-13T13:12:18.34
IV.FAGN.HHN. ML:1.8 0.0001365 0.34 AML other m 2018-03-13T13:12:19.65
IV.SNTG.HHE. ML:1.7 0.0000698 0.54 AML other m 2018-03-13T13:12:19.98
IV.SNTG.HHN. ML:1.7 0.00007115000000000001 0.36 AML other m 2018-03-13T13:12:20.88
IV.CING.HHE. ML:1.6 0.000066 0.42 AML other m 2018-03-13T13:12:22.31
IV.CING.HHN. ML:1.8 0.00008565000000000001 0.54 AML other m 2018-03-13T13:12:22.88
IV.ARVD.HHN. ML:1.6 0.0000384 0.42 AML other m 2018-03-13T13:12:30.32
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