Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 20-02-2014 and time 06:16:31 (UTC) in region 2 km N Rotella (AP)

A magnitude ML 2.0 earthquake occured in region: 2 km N Rotella (AP), on

  • 20-02-2014 06:16:31 (UTC)
  • 20-02-2014 07:16:31 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.9700, 13.5660 at 28 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
Rotella AP 2 906 906
Montedinove AP 2 488 1394
Montalto delle Marche AP 4 2122 3516
Castignano AP 6 2796 6312
Montelparo FM 6 778 7090
Force AP 6 1354 8444
Monte Rinaldo FM 7 379 8823
Ortezzano FM 8 774 9597
Santa Vittoria in Matenano FM 8 1330 10927
Montefalcone Appennino FM 9 424 11351
Monteleone di Fermo FM 9 395 11746
Cossignano AP 10 978 12724
Monte Vidon Combatte FM 11 433 13157
Smerillo FM 11 365 13522
Montottone FM 11 979 14501
Offida AP 11 5058 19559
Monsampietro Morico FM 11 659 20218
Appignano del Tronto AP 11 1785 22003
Venarotta AP 11 2066 24069
Palmiano AP 12 196 24265
Carassai AP 12 1100 25365
Comunanza AP 12 3166 28531
Monte San Martino MC 12 765 29296
Ascoli Piceno AP 13 49407 78703
Petritoli FM 13 2335 81038
Servigliano FM 14 2336 83374
Belmonte Piceno FM 14 646 84020
Roccafluvione AP 14 2010 86030
Monte Giberto FM 15 801 86831
Penna San Giovanni MC 15 1108 87939
Castorano AP 15 2380 90319
Grottazzolina FM 16 3398 93717
Castel di Lama AP 16 8634 102351
Ripatransone AP 17 4309 106660
Ponzano di Fermo FM 17 1674 108334
Amandola FM 17 3629 111963
Falerone FM 17 3337 115300
Folignano AP 17 9241 124541
Montefiore dell'Aso AP 18 2123 126664
Monterubbiano FM 18 2230 128894
Colli del Tronto AP 18 3668 132562
Montegiorgio FM 18 6851 139413
Monte Vidon Corrado FM 18 731 140144
Maltignano AP 18 2401 142545
Montefortino FM 18 1178 143723
Moresco FM 19 598 144321
Magliano di Tenna FM 19 1452 145773
Spinetoli AP 19 7215 152988
Sant'Angelo in Pontano MC 20 1436 154424

Municipalities with at least 50000 inhabitants

An earthquake occurred to
36 Km NW of Teramo (54892 inhabitants)
70 Km NW of Montesilvano (53738 inhabitants)
70 Km N of L'Aquila (69753 inhabitants)
70 Km E of Foligno (57155 inhabitants)
72 Km S of Ancona (100861 inhabitants)
77 Km NW of Pescara (121014 inhabitants)
85 Km NW of Chieti (51815 inhabitants)
88 Km NE of Terni (111501 inhabitants)
97 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 2.0 2014-02-20
06:16:31		 42.9697 13.5655 28 2015-09-21
09:34:15		 Bollettino Sismico Italiano INGV 13740441
Reviewed
Rev100 		ML 1.9 2014-02-20
06:16:30		 42.9887 13.5778 32 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 5577011
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-02-20 06:16:31 ± 0.17
Latitude 42.9697 ± 0.0045
Longitude 13.5655 ± 0.0074
Depth (km) 28 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 13740441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 533
Semi-minor axis of confidence ellipse (meter) 365
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) 530.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 79
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 22
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.31
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.49373
Number of stations at which the event was observed 14
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.4
Num. used stations 3
Type of magnitude ML
Reference to an origin 13740441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-12-09 08:49:01

ML:1.9

Field Value
Value 1.9
Uncertainty 0.2
Num. used stations 2
Type of magnitude ML
Reference to an origin 5577011
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-02-20 06:23:05
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MTSN.HHZ. 2014-02-20T06:17:22.34 3.0 positive manual Pg 7.56 0
GU.POPM.HHZ. 2014-02-20T06:17:12.48 3.0 negative manual Pg 8.61 0
IV.CING.HHE. 2014-02-20T06:16:49.46 0.1 undecidable manual S 327 54.1014 111 0.15 93
IV.EL6.EHZ. 2014-02-20T06:16:49.74 0.1 undecidable manual S 317 54.8007 111 0.25 91
IV.CESI.HHE. 2014-02-20T06:16:49.60 0.1 undecidable manual S 274 53.8017 111 0.36 89
IV.NRCA.HHZ. 2014-02-20T06:16:46.15 0.1 undecidable manual S 248 39.627 119 0.33 92
IV.SMA1.EHZ. 2014-02-20T06:16:46.62 0.1 undecidable manual S 207 42.0246 117 0.25 93
IV.FDMO.HHZ. 2014-02-20T06:16:45.74 0.1 undecidable manual S 281 39.5271 119 -0.04 99
IV.NARO.HHZ. 2014-02-20T06:16:45.07 3.0 undecidable manual Pn -0.26 0
IV.TERO.HHZ. 2014-02-20T06:16:45.74 0.1 undecidable manual S 175 38.628 120 0.17 96
IV.CADA.HNE. 2014-02-20T06:16:43.93 0.1 undecidable manual S 32 29.5482 128 0.37 94
IV.CSP1.EHZ. 2014-02-20T06:16:43.86 0.1 undecidable manual S 295 32.2455 125 -0.28 95
IV.CING.HHE. 2014-02-20T06:16:42.22 0.1 undecidable manual P 327 54.1014 111 0.4 88
IV.EL6.EHZ. 2014-02-20T06:16:42.21 0.1 undecidable manual P 317 54.8007 111 0.29 90
IV.CESI.HHE. 2014-02-20T06:16:41.89 0.1 undecidable manual P 274 53.8017 111 0.11 94
IV.GUMA.HHE. 2014-02-20T06:16:41.52 0.1 undecidable manual S 299 21.3675 138 -0.44 93
IV.OFFI.HHZ. 2014-02-20T06:16:40.71 0.1 undecidable manual S 111 10.4784 157 0.33 98
IV.SMA1.EHZ. 2014-02-20T06:16:39.94 0.1 undecidable manual P 207 42.0246 117 -0.19 95
IV.TERO.HHZ. 2014-02-20T06:16:39.47 0.1 undecidable manual P 175 38.628 120 -0.19 95
IV.FDMO.HHZ. 2014-02-20T06:16:39.48 0.1 undecidable manual P 281 39.5271 119 -0.3 93
IV.NRCA.HHZ. 2014-02-20T06:16:39.62 0.1 undecidable manual P 248 39.627 119 -0.18 96
IV.CSP1.EHZ. 2014-02-20T06:16:38.45 0.1 undecidable manual P 295 32.2455 125 -0.38 93
IV.CADA.HNE. 2014-02-20T06:16:38.05 0.1 undecidable manual P 32 29.5482 128 -0.45 91
IV.GUMA.HHE. 2014-02-20T06:16:37.18 0.1 undecidable manual P 299 21.3675 138 -0.4 94
IV.OFFI.HHZ. 2014-02-20T06:16:36.50 0.1 undecidable manual P 111 10.4784 157 -0.17 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.NARO.HHN. ML:1.7 0.0000472 1.08 AML other m 2014-02-20T06:17:14.34
IV.NARO.HHE. ML:1.7 0.00004305 1.58 AML other m 2014-02-20T06:17:13.87
IV.OFFI.HHN. ML:1.9 0.00038950000000000003 1.58 AML other m 2014-02-20T06:16:42.03
IV.OFFI.HHE. ML:2.0 0.000518 0.5 AML other m 2014-02-20T06:16:41.03
IV.PP3.HNE. ML:3.0 0.0024000000000000002 1.58 AML other m 2014-02-20T06:17:14.07
IV.PP3.HNN. ML:2.9 0.0019299999999999996 1.6 AML other m 2014-02-20T06:17:20.41
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