Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.1 on date 12-03-2018 and time 10:15:36 (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

  • 12-03-2018 09:15:36 (UTC)
  • 12-03-2018 10:15:36 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.7440, 13.4850 at 21 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
Acquasanta Terme AP 7 2916 3893
Rocca Santa Maria TE 7 537 4430
Roccafluvione AP 13 2010 6440
Cortino TE 14 656 7096
Ascoli Piceno AP 14 49407 56503
Folignano AP 15 9241 65744
Civitella del Tronto TE 15 5116 70860
Venarotta AP 15 2066 72926
Arquata del Tronto AP 16 1178 74104
Campli TE 17 7209 81313
Montegallo AP 17 523 81836
Torricella Sicura TE 17 2641 84477
Palmiano AP 18 196 84673
Maltignano AP 19 2401 87074

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)
60 Km W of Montesilvano (53738 inhabitants)
67 Km W of Pescara (121014 inhabitants)
68 Km E of Foligno (57155 inhabitants)
71 Km NW of Chieti (51815 inhabitants)
71 Km E of Terni (111501 inhabitants)
97 Km S of Ancona (100861 inhabitants)
98 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 2018-03-12
09:15:36		 42.7438 13.4853 21 2019-04-24
14:49:49		 Bollettino Sismico Italiano INGV 66049261
Reviewed
Rev100 		ML 2.1 2018-03-12
09:15:36		 42.7458 13.4957 20 2018-03-12
09:23:54		 Sala Sismica INGV-Roma 54547591
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2018-03-12 09:15:36 ± 0.13
Latitude 42.7438 ± 0.0045
Longitude 13.4853 ± 0.0086
Depth (km) 21 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 66049261

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 680
Semi-minor axis of confidence ellipse (meter) 227
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 262
Circular confidence region, given by single value of horizontal uncertainty (meter) 680.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 66
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) 0.29
Epicentral distance of station closest to the epicenter (degree) 0.06655
Epicentral distance of station farthest from the epicenter (degree) 0.66550
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 20
Magnitudes information

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 66049261
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2019-02-28 14:38:40

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 50
Type of magnitude ML
Reference to an origin 54547591
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2018-03-12 09:23:54
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHZ. 2018-03-12T09:15:54.55 0.6 undecidable manual S 302 55.4001 103 0.6 41
IV.PF6.EHZ. 2018-03-12T09:15:52.61 0.6 undecidable manual S 332 49.7169 104 0.14 47
IV.CSP1.EHZ. 2018-03-12T09:15:51.41 0.6 undecidable manual S 330 44.8218 106 0.19 46
IV.TRTR.HHZ. 2018-03-12T09:15:50.64 0.6 undecidable manual S 78 35.6421 111 1.75 23
IV.RM33.EHZ. 2018-03-12T09:15:49.22 0.6 undecidable manual S 220 34.1436 113 0.69 42
IV.CING.HHZ. 2018-03-12T09:15:49.07 0.3 undecidable manual P 342 73.8705 99 -0.28 65
IV.GUMA.HHZ. 2018-03-12T09:15:49.73 0.3 undecidable manual S 341 37.4292 110 0.39 68
IV.GIGS.HHZ. 2018-03-12T09:15:48.00 0.6 undecidable manual S 167 33.0447 113 -0.25 47
IV.SNTG.HHZ. 2018-03-12T09:15:48.82 0.3 undecidable manual P 322 71.8725 99 -0.22 66
IV.NRCA.HNZ. 2018-03-12T09:15:48.24 0.6 undecidable manual S 288 31.8459 114 0.29 47
IV.OFFI.HHZ. 2018-03-12T09:15:47.72 0.6 undecidable manual S 37 26.751 120 0.97 36
IV.MC2.EHZ. 2018-03-12T09:15:47.87 0.6 undecidable manual S 308 30.4473 116 0.25 47
IV.CAMP.HHZ. 2018-03-12T09:15:46.22 0.6 undecidable manual S 195 23.8539 123 0.12 49
IV.FAGN.HHZ. 2018-03-12T09:15:46.00 0.6 undecidable manual P 171 53.6019 103 -0.28 45
IV.MF5.EHZ. 2018-03-12T09:15:46.92 0.6 undecidable manual S 356 27.1506 119 0.08 49
IV.CESI.HHZ. 2018-03-12T09:15:46.52 0.1 negative manual P 302 55.4001 103 -0.02 94
IV.PF6.EHZ. 2018-03-12T09:15:45.30 0.1 undecidable manual P 332 49.7169 104 -0.39 88
IV.MMO1.EHZ. 2018-03-12T09:15:45.22 0.6 undecidable manual S 323 21.5673 127 -0.36 47
IV.T1299.HNZ. 2018-03-12T09:15:45.96 0.6 undecidable manual S 234 20.5683 128 0.59 44
IV.TERO.HHZ. 2018-03-12T09:15:44.21 0.6 undecidable manual S 144 16.5723 135 -0.36 47
IV.SMA1.EHZ. 2018-03-12T09:15:44.80 0.6 undecidable manual S 224 17.5713 133 0.04 50
IV.TRTR.HHZ. 2018-03-12T09:15:44.00 0.3 undecidable manual P 78 35.6421 111 0.38 68
IV.CSP1.EHZ. 2018-03-12T09:15:44.61 0.1 undecidable manual P 330 44.8218 106 -0.36 90
IV.RM33.EHZ. 2018-03-12T09:15:43.63 0.1 positive manual P 220 34.1436 113 0.22 95
IV.GUMA.HHZ. 2018-03-12T09:15:43.80 0.1 positive manual P 341 37.4292 110 -0.08 97
IV.NRCA.HNZ. 2018-03-12T09:15:43.06 0.1 negative manual P 288 31.8459 114 -0.02 98
IV.OFFI.HHZ. 2018-03-12T09:15:42.38 0.1 undecidable manual P 37 26.751 120 -0.01 100
IV.MC2.EHZ. 2018-03-12T09:15:42.89 0.1 negative manual P 308 30.4473 116 0 99
IV.GIGS.HHZ. 2018-03-12T09:15:42.91 0.1 positive manual P 167 33.0447 113 -0.34 92
IV.MF5.EHZ. 2018-03-12T09:15:42.28 0.1 positive manual P 356 27.1506 119 -0.16 97
IV.MTRA.HNZ. 2018-03-12T09:15:42.71 0.6 undecidable manual S 281 7.3815 157 -0.49 47
IV.MMO1.EHZ. 2018-03-12T09:15:41.44 0.1 undecidable manual P 323 21.5673 127 -0.27 96
IV.T1299.HNZ. 2018-03-12T09:15:41.84 0.1 undecidable manual P 234 20.5683 128 0.25 96
IV.CAMP.HHZ. 2018-03-12T09:15:41.98 0.1 undecidable manual P 195 23.8539 123 -0.03 100
IV.SMA1.EHZ. 2018-03-12T09:15:41.36 0.1 positive manual P 224 17.5713 133 0.12 99
IV.MTRA.HNZ. 2018-03-12T09:15:40.06 0.1 undecidable manual P 281 7.3815 157 -0.28 98
IV.TERO.HHZ. 2018-03-12T09:15:40.90 0.1 undecidable manual P 144 16.5723 135 -0.23 97
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.MTRA.EHN. ML:2.3 0.0014550000000000001 0.08 AML other m 2018-03-12T09:15:42.75
IV.MTRA.HNN. ML:2.3 0.001415 0.28 AML other m 2018-03-12T09:15:42.75
IV.MTRA.HNE. ML:2.3 0.00149 0.34 AML other m 2018-03-12T09:15:42.75
IV.MTRA.EHE. ML:2.3 0.0014100000000000002 0.34 AML other m 2018-03-12T09:15:42.75
IV.TERO.HNN. ML:2.2 0.00107 0.26 AML other m 2018-03-12T09:15:44.43
IV.TERO.HHN. ML:2.5 0.00188 0.24 AML other m 2018-03-12T09:15:44.30
IV.TERO.HHE. ML:2.5 0.001935 0.18 AML other m 2018-03-12T09:15:44.53
IV.TERO.HNE. ML:2.2 0.000964 0.18 AML other m 2018-03-12T09:15:44.45
IV.SMA1.EHN. ML:2.5 0.0019199999999999998 0.44 AML other m 2018-03-12T09:15:45.11
IV.SMA1.EHE. ML:2.4 0.00164 0.22 AML other m 2018-03-12T09:15:45.50
IV.CAMP.HHN. ML:1.8 0.00027150000000000004 0.22 AML other m 2018-03-12T09:15:46.46
IV.T1299.EHN. ML:2.4 0.0012050000000000001 0.14 AML other m 2018-03-12T09:15:46.39
IV.T1299.HNN. ML:2.3 0.0011835 0.14 AML other m 2018-03-12T09:15:46.39
IV.CAMP.HHE. ML:1.6 0.0001915 0.44 AML other m 2018-03-12T09:15:46.35
IV.T1299.EHE. ML:2.2 0.0007794999999999999 0.16 AML other m 2018-03-12T09:15:46.74
IV.T1299.HNE. ML:2.2 0.000777 0.16 AML other m 2018-03-12T09:15:46.74
IV.T1214.HNE. ML:2.1 0.0006485 0.52 AML other m 2018-03-12T09:15:46.50
IV.T1214.EHE. ML:2.1 0.000607 0.52 AML other m 2018-03-12T09:15:46.50
IV.T1214.EHN. ML:2.0 0.00044699999999999997 1.3 AML other m 2018-03-12T09:15:47.04
IV.OFFI.HHN. ML:2.3 0.000798 0.84 AML other m 2018-03-12T09:15:47.39
IV.T1214.HNN. ML:2.0 0.000503 0.86 AML other m 2018-03-12T09:15:47.81
IV.GIGS.HHE. ML:1.6 0.00014000000000000001 0.12 AML other m 2018-03-12T09:15:48.05
IV.NRCA.HNE. ML:2.7 0.00209 0.42 AML other m 2018-03-12T09:15:48.59
IV.GIGS.HHN. ML:1.4 0.00009495 0.76 AML other m 2018-03-12T09:15:48.39
IV.NRCA.HHE. ML:2.8 0.00225 0.08 AML other m 2018-03-12T09:15:48.59
IV.NRCA.HHN. ML:2.7 0.0019399999999999999 0.12 AML other m 2018-03-12T09:15:48.87
IV.NRCA.HNN. ML:2.7 0.00181 0.1 AML other m 2018-03-12T09:15:48.82
IV.RM33.HNE. ML:2.3 0.0006955 0.6 AML other m 2018-03-12T09:15:49.42
IV.RM33.EHE. ML:2.3 0.0007199999999999999 0.6 AML other m 2018-03-12T09:15:49.73
IV.GUMA.HHE. ML:2.3 0.0007015 0.26 AML other m 2018-03-12T09:15:49.95
IV.GUMA.HHN. ML:2.3 0.0007005 1.76 AML other m 2018-03-12T09:15:50.93
IV.MF5.EHN. ML:1.8 0.000309 0.5 AML other m 2018-03-12T09:15:51.08
IV.RM33.HNN. ML:2.1 0.0005449999999999999 0.88 AML other m 2018-03-12T09:15:51.92
IV.RM33.EHN. ML:2.1 0.0005075 0.86 AML other m 2018-03-12T09:15:51.92
IV.CSP1.EHN. ML:1.8 0.000166 0.26 AML other m 2018-03-12T09:15:51.69
IV.OFFI.HHE. ML:2.2 0.0006490000000000001 0.88 AML other m 2018-03-12T09:15:51.14
IV.CSP1.EHE. ML:2.0 0.00029549999999999997 0.48 AML other m 2018-03-12T09:15:51.93
IV.MF5.EHE. ML:1.8 0.000299 0.78 AML other m 2018-03-12T09:15:52.50
IV.PF6.EHN. ML:1.7 0.00012095 0.08 AML other m 2018-03-12T09:15:52.72
IV.PF6.EHE. ML:2.5 0.0007700000000000001 0.22 AML other m 2018-03-12T09:15:52.81
IV.T1221.EHE. ML:1.6 0.00009085 1.4 AML other m 2018-03-12T09:15:54.82
IV.CESI.HHE. ML:2.2 0.00034050000000000004 0.4 AML other m 2018-03-12T09:15:54.70
IV.CESI.HHN. ML:2.3 0.00041749999999999996 0.2 AML other m 2018-03-12T09:15:55.08
IV.T1221.EHN. ML:1.7 0.00011695 0.46 AML other m 2018-03-12T09:15:57.89
IV.FAGN.HHE. ML:1.9 0.000176 0.28 AML other m 2018-03-12T09:15:58.11
IV.FAGN.HHN. ML:1.8 0.00013000000000000002 1.32 AML other m 2018-03-12T09:15:58.29
IV.SNTG.HHE. ML:1.7 0.00007645 1.2 AML other m 2018-03-12T09:16:00.36
IV.SNTG.HHN. ML:1.7 0.0000791 1.18 AML other m 2018-03-12T09:16:03.67
IV.CING.HHE. ML:1.7 0.00007535 0.84 AML other m 2018-03-12T09:16:03.56
IV.CING.HHN. ML:1.7 0.00007985 0.54 AML other m 2018-03-12T09:16:05.27
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