Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 27-03-2017 and time 17:56:30 (Italy) in region 1 km N Fagnano Alto (AQ)

A magnitude ML 1.3 earthquake occured in region: 1 km N Fagnano Alto (AQ), on

  • 27-03-2017 15:56:30 (UTC)
  • 27-03-2017 17:56:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2620, 13.5760 at 7 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
Fagnano Alto AQ 1 418 418
Prata d'Ansidonia AQ 3 496 914
Villa Sant'Angelo AQ 3 424 1338
San Demetrio ne' Vestini AQ 3 1854 3192
Fontecchio AQ 4 369 3561
Sant'Eusanio Forconese AQ 5 394 3955
San Pio delle Camere AQ 7 661 4616
Poggio Picenze AQ 7 1136 5752
Rocca di Mezzo AQ 8 1526 7278
Barisciano AQ 8 1828 9106
Rocca di Cambio AQ 8 533 9639
Caporciano AQ 8 230 9869
Tione degli Abruzzi AQ 8 310 10179
Fossa AQ 8 721 10900
Ocre AQ 9 1167 12067
Carapelle Calvisio AQ 10 87 12154
Santo Stefano di Sessanio AQ 11 111 12265
Castelvecchio Calvisio AQ 11 153 12418
Calascio AQ 12 137 12555
Navelli AQ 13 554 13109
Secinaro AQ 15 359 13468
Acciano AQ 15 327 13795
Ovindoli AQ 15 1227 15022
Capestrano AQ 16 884 15906
Ofena AQ 17 506 16412
Castel del Monte AQ 17 413 16825
Collepietro AQ 18 237 17062
L'Aquila AQ 18 69753 86815
Gagliano Aterno AQ 18 254 87069
Molina Aterno AQ 18 386 87455
San Benedetto in Perillis AQ 18 113 87568
Villa Santa Lucia degli Abruzzi AQ 19 123 87691
Castelvecchio Subequo AQ 19 982 88673
Celano AQ 20 11017 99690
Lucoli AQ 20 1011 100701

Municipalities with at least 50000 inhabitants

An earthquake occurred to
18 Km SE of L'Aquila (69753 inhabitants)
46 Km S of Teramo (54892 inhabitants)
50 Km W of Chieti (51815 inhabitants)
55 Km SW of Montesilvano (53738 inhabitants)
57 Km W of Pescara (121014 inhabitants)
72 Km E of Tivoli (56533 inhabitants)
76 Km E of Guidonia Montecelio (88673 inhabitants)
83 Km E of Terni (111501 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
99 Km E of Roma (2864731 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 1.3 2017-03-27
15:56:30		 42.2618 13.5762 7 2019-07-19
13:20:21		 Bollettino Sismico Italiano INGV 43135371
Reviewed
Rev100 		ML 1.8 2017-03-27
15:56:30		 42.2417 13.5477 7 2017-03-27
16:04:21		 Sala Sismica INGV-Roma 43020681
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-27 15:56:30 ± 0.07
Latitude 42.2618 ± 0.0036
Longitude 13.5762 ± 0.0061
Depth (km) 7 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 43135371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 512
Semi-minor axis of confidence ellipse (meter) 309
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 47
Circular confidence region, given by single value of horizontal uncertainty (meter) 510.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 62
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 31
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.79860
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 18
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 43020681
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-27 16:04:21

ML:1.3

Field Value
Value 1.3
Uncertainty 0.4
Num. used stations 5
Type of magnitude ML
Reference to an origin 43135371
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-03-30 06:48:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MIDA.HNZ. 2017-03-27T15:56:57.81 0.3 undecidable manual S 141 88.6446 50 0.35 61
IV.CERA.HNN. 2017-03-27T15:56:56.31 0.6 undecidable manual S 153 82.1511 50 0.57 39
IV.SACR.HHZ. 2017-03-27T15:56:51.07 3.0 undecidable manual P -0.86 0
IV.POFI.HNE. 2017-03-27T15:56:50.30 0.6 undecidable manual S 169 61.3941 50 0.11 45
IV.LPEL.HHE. 2017-03-27T15:56:48.39 0.3 undecidable manual S 115 55.3002 50 -0.17 68
IV.MIDA.HNZ. 2017-03-27T15:56:46.14 0.1 undecidable manual P 141 88.6446 50 0.07 87
IV.CERA.HNN. 2017-03-27T15:56:45.59 0.3 undecidable manual P 153 82.1511 50 0.51 60
IV.FIAM.HHN. 2017-03-27T15:56:44.17 0.6 undecidable manual S 271 37.629 101 0.32 45
IV.TERO.HHZ. 2017-03-27T15:56:44.07 0.3 undecidable manual S 3 40.1265 50 -0.43 66
IV.T1246.HHN. 2017-03-27T15:56:43.32 0.3 undecidable manual S 349 36.3414 102 -0.06 72
IV.INTR.HHZ. 2017-03-27T15:56:43.76 0.3 undecidable manual S 136 38.7279 50 -0.37 67
IV.T1214.HNE. 2017-03-27T15:56:42.47 0.6 undecidable manual P 332 62.8926 50 0.37 43
IV.CAMP.HHE. 2017-03-27T15:56:42.72 0.3 undecidable manual S 336 33.3444 103 0.34 68
IV.POFI.HNE. 2017-03-27T15:56:41.82 0.1 undecidable manual P 169 61.3941 50 -0.06 91
IV.VCEL.EHZ. 2017-03-27T15:56:40.23 0.3 undecidable manual S 56 26.2515 106 0.25 70
IV.LPEL.HHE. 2017-03-27T15:56:40.79 0.6 undecidable manual P 115 55.3002 50 -0.15 45
IV.SMA1.EHN. 2017-03-27T15:56:39.30 0.6 undecidable manual P 334 45.4212 50 -0.11 47
IV.INTR.HHZ. 2017-03-27T15:56:38.04 0.1 undecidable manual P 136 38.7279 50 -0.34 90
IV.GIGS.HHZ. 2017-03-27T15:56:38.79 0.6 undecidable manual S 359 21.2676 109 0.46 45
IV.TERO.HHZ. 2017-03-27T15:56:38.09 0.1 positive manual P 3 40.1265 50 -0.5 86
IV.FIAM.HHN. 2017-03-27T15:56:38.21 1.0 undecidable manual P 271 37.629 101 -0.01 24
IV.RM33.HNE. 2017-03-27T15:56:38.60 0.1 undecidable manual P 313 40.3263 50 -0.03 95
IV.CAMP.HHE. 2017-03-27T15:56:37.28 0.1 undecidable manual P 336 33.3444 103 -0.08 96
IV.T1246.HHN. 2017-03-27T15:56:37.59 0.1 negative manual P 349 36.3414 102 -0.36 90
IV.VCEL.EHZ. 2017-03-27T15:56:36.45 0.1 positive manual P 56 26.2515 106 0.47 89
IV.PTQR.HHZ. 2017-03-27T15:56:36.66 0.3 undecidable manual P 209 30.2475 104 -0.11 72
IV.T0110.HHZ. 2017-03-27T15:56:36.81 0.3 undecidable manual S 102 16.872 114 -0.1 74
IV.GIGS.HHZ. 2017-03-27T15:56:35.27 0.1 positive manual P 359 21.2676 109 0.24 95
IV.T0110.HHZ. 2017-03-27T15:56:34.46 0.1 negative manual P 102 16.872 114 0.25 95
MN.AQU.HLZ. 2017-03-27T15:56:34.67 0.6 undecidable manual P 306 17.3715 113 0.37 46
IV.FAGN.HHZ. 2017-03-27T15:56:32.33 0.3 undecidable manual S 55 0.7992 174 -0.78 62
IV.FAGN.HHZ. 2017-03-27T15:56:31.88 0.1 negative manual P 55 0.7992 174 -0.14 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GIGS.HHN. ML:0.7 0.00003777158 0.4992 AML other m 2017-03-27T15:56:39.81
IV.GIGS.HHE. ML:0.8 0.000044600225 0.3456 AML other m 2017-03-27T15:56:40.35
IV.INTR.HHE. ML:1.2 0.000064700815 0 AML other m 2017-03-27T15:56:44.63
IV.INTR.HNN. ML:0.0 0.000000070468395 0 AML other m 2017-03-27T15:56:44.97
IV.INTR.HHN. ML:1.4 0.000092309005 0.2688 AML other m 2017-03-27T15:56:45.11
IV.INTR.HNE. ML:0.0 0.00000006446175 0 AML other m 2017-03-27T15:56:44.63
IV.T0110.HHE. ML:1.7 0.0004934999999999999 0.74 AML other m 2017-03-27T15:56:40.52
IV.T0110.HHN. ML:1.8 0.0006670000000000001 0.32 AML other m 2017-03-27T15:56:39.88
IV.TERO.HHE. ML:0.9 0.0000275827705 0.192 AML other m 2017-03-27T15:56:45.72
IV.TERO.HHN. ML:1.1 0.000043570035 0.3584 AML other m 2017-03-27T15:56:46.48
IV.VCEL.EHN. ML:1.6 0.00022041080000000001 0.3584 AML other m 2017-03-27T15:56:41.55
IV.VCEL.EHE. ML:1.6 0.00024231155000000002 0.2816 AML other m 2017-03-27T15:56:41.55
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