Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 27-03-2017 and time 17:55:37 (Italy) in region 1 km NE Fagnano Alto (AQ)

A magnitude ML 1.7 earthquake occured in region: 1 km NE Fagnano Alto (AQ), on

  • 27-03-2017 15:55:37 (UTC)
  • 27-03-2017 17:55:37 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.2600, 13.5890 at 9 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
Fontecchio AQ 3 369 1283
San Demetrio ne' Vestini AQ 4 1854 3137
Villa Sant'Angelo AQ 4 424 3561
Sant'Eusanio Forconese AQ 6 394 3955
San Pio delle Camere AQ 6 661 4616
Caporciano AQ 7 230 4846
Tione degli Abruzzi AQ 7 310 5156
Barisciano AQ 8 1828 6984
Poggio Picenze AQ 8 1136 8120
Rocca di Mezzo AQ 8 1526 9646
Rocca di Cambio AQ 9 533 10179
Carapelle Calvisio AQ 9 87 10266
Fossa AQ 9 721 10987
Ocre AQ 10 1167 12154
Castelvecchio Calvisio AQ 10 153 12307
Santo Stefano di Sessanio AQ 10 111 12418
Calascio AQ 12 137 12555
Navelli AQ 12 554 13109
Secinaro AQ 14 359 13468
Acciano AQ 14 327 13795
Capestrano AQ 15 884 14679
Ovindoli AQ 15 1227 15906
Ofena AQ 16 506 16412
Castel del Monte AQ 16 413 16825
Collepietro AQ 16 237 17062
San Benedetto in Perillis AQ 17 113 17175
Molina Aterno AQ 17 386 17561
Gagliano Aterno AQ 18 254 17815
Villa Santa Lucia degli Abruzzi AQ 18 123 17938
Castelvecchio Subequo AQ 18 982 18920
L'Aquila AQ 19 69753 88673
Celano AQ 20 11017 99690
Aielli AQ 20 1475 101165

Municipalities with at least 50000 inhabitants

An earthquake occurred to
19 Km SE of L'Aquila (69753 inhabitants)
45 Km S of Teramo (54892 inhabitants)
49 Km W of Chieti (51815 inhabitants)
54 Km SW of Montesilvano (53738 inhabitants)
56 Km W of Pescara (121014 inhabitants)
73 Km E of Tivoli (56533 inhabitants)
77 Km E of Guidonia Montecelio (88673 inhabitants)
84 Km E of Terni (111501 inhabitants)
93 Km NE of Velletri (53303 inhabitants)
100 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 1.7 2017-03-27
15:55:37		 42.2603 13.5888 9 2019-07-19
13:20:21		 Bollettino Sismico Italiano INGV 43134631
Reviewed
Rev100 		ML 1.8 2017-03-27
15:55:37		 42.2498 13.5683 7 2017-03-27
16:02:20		 Sala Sismica INGV-Roma 43020611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-27 15:55:37 ± 0.06
Latitude 42.2603 ± 0.0036
Longitude 13.5888 ± 0.0049
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 43134631

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 454
Semi-minor axis of confidence ellipse (meter) 150
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) 450.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 52
Number of associated phases, regardless of their use for origin computation 34
Number of defining phases 33
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.66730
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 19
Magnitudes information

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 43020611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-27 16:02:20

ML:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations 10
Type of magnitude ML
Reference to an origin 43134631
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2017-03-30 06:30:16
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.APEC.HHZ. 2017-03-27T15:56:06.59 3.0 negative manual P 0.91 0
IV.T1245.HHZ. 2017-03-27T15:56:00.30 0.3 undecidable manual S 334 73.7706 50 0.18 66
IV.LPEL.HHZ. 2017-03-27T15:55:55.10 0.6 undecidable manual S 116 54.3012 50 0.18 46
IV.TERO.HHZ. 2017-03-27T15:55:51.20 0.3 undecidable manual S 2 40.2264 50 0.04 72
IV.RM33.EHZ. 2017-03-27T15:55:51.50 0.6 undecidable manual S 312 41.2254 50 0.07 48
IV.INTR.HHZ. 2017-03-27T15:55:50.70 0.6 undecidable manual S 137 37.9287 50 0.16 47
IV.T1245.HHZ. 2017-03-27T15:55:50.67 0.1 undecidable manual P 334 73.7706 50 0.11 89
IV.FIAM.HHZ. 2017-03-27T15:55:50.70 0.3 undecidable manual S 271 38.7279 50 -0.06 72
IV.MMO1.EHZ. 2017-03-27T15:55:50.50 0.1 undecidable manual P 343 74.0703 50 -0.1 89
IV.T1247.HHZ. 2017-03-27T15:55:49.10 0.6 undecidable manual S 310 31.1466 50 0.36 46
IV.CAMP.HHZ. 2017-03-27T15:55:49.60 0.3 undecidable manual S 334 33.9438 50 0.12 72
IV.T1246.HHN. 2017-03-27T15:55:49.90 0.6 undecidable manual S 348 36.6411 50 -0.32 46
IV.CERT.HHE. 2017-03-27T15:55:48.87 0.6 undecidable manual P 236 60.6948 50 0.33 44
IV.POFI.HNE. 2017-03-27T15:55:48.71 0.1 undecidable manual P 170 61.0944 50 0.11 91
IV.VCEL.EHZ. 2017-03-27T15:55:47.20 0.6 undecidable manual S 54 25.4523 109 0.34 46
IV.LPEL.HHZ. 2017-03-27T15:55:47.37 0.1 undecidable manual P 116 54.3012 50 -0.19 91
IV.GUAR.HHN. 2017-03-27T15:55:47.70 1.0 undecidable manual P 204 56.499 50 -0.19 23
IV.RM33.EHZ. 2017-03-27T15:55:45.51 0.1 undecidable manual P 312 41.2254 50 -0.03 96
IV.FIAM.HHZ. 2017-03-27T15:55:45.10 0.1 undecidable manual P 271 38.7279 50 -0.05 96
IV.VVLD.HHZ. 2017-03-27T15:55:45.92 0.1 undecidable manual P 176 43.4232 50 0.04 96
MN.AQU.HLZ. 2017-03-27T15:55:45.00 0.6 undecidable manual S 305 18.2706 116 0.44 46
IV.GIGS.HHZ. 2017-03-27T15:55:45.50 0.3 undecidable manual S 357 21.4674 113 -0.05 74
IV.T1247.HHZ. 2017-03-27T15:55:44.11 0.1 undecidable manual P 310 31.1466 50 0.12 96
IV.TERO.HHZ. 2017-03-27T15:55:44.97 0.3 undecidable manual P 2 40.2264 50 -0.42 67
IV.T0110.HHZ. 2017-03-27T15:55:44.00 0.3 undecidable manual S 102 15.7731 120 0.22 73
IV.INTR.HHZ. 2017-03-27T15:55:44.91 0.1 positive manual P 137 37.9287 50 -0.12 95
IV.CAMP.HHZ. 2017-03-27T15:55:44.15 0.1 negative manual P 334 33.9438 50 -0.26 93
IV.T1246.HHN. 2017-03-27T15:55:44.51 0.1 negative manual P 348 36.6411 50 -0.33 91
IV.VCEL.EHZ. 2017-03-27T15:55:43.04 0.1 undecidable manual P 54 25.4523 109 0.14 97
IV.GIGS.HHZ. 2017-03-27T15:55:42.16 0.1 undecidable manual P 357 21.4674 113 0.01 100
IV.T0110.HHZ. 2017-03-27T15:55:41.35 0.1 undecidable manual P 102 15.7731 120 0.23 97
MN.AQU.HLZ. 2017-03-27T15:55:41.97 0.1 undecidable manual P 305 18.2706 116 0.39 93
IV.FAGN.HHZ. 2017-03-27T15:55:39.60 0.6 undecidable manual S 326 0.6993 175 -1 38
IV.FAGN.HHZ. 2017-03-27T15:55:38.81 0.1 positive manual P 326 0.6993 175 -0.48 94
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CAMP.HHE. ML:0.0 0.0001285 0.6 AML other m 2017-03-27T15:55:53.50
IV.CAMP.HHN. ML:0.0 0.00016399999999999997 0.56 AML other m 2017-03-27T15:55:55.37
IV.FAGN.HHE. ML:0.0 0.032170085 0.3712 AML other m 2017-03-27T15:55:40.21
IV.FAGN.HHN. ML:0.0 0.02612276 0.2432 AML other m 2017-03-27T15:55:40.01
IV.FIAM.HHE. ML:0.0 0.000221 0.6 AML other m 2017-03-27T15:55:53.48
IV.FIAM.HHN. ML:0.0 0.000203 1.44 AML other m 2017-03-27T15:55:55.87
IV.GIGS.HHN. ML:0.0 0.00013000000000000002 0.78 AML other m 2017-03-27T15:55:46.34
IV.GIGS.HHE. ML:0.0 0.000129 1.1 AML other m 2017-03-27T15:55:49.08
IV.INTR.HNN. ML:0.0 0.0000004120855 1.3696 AML other m 2017-03-27T15:56:00.22
IV.INTR.HHN. ML:1.9 0.0003235 0.96 AML other m 2017-03-27T15:56:03.48
IV.INTR.HHE. ML:1.5 0.00011800000000000001 0.82 AML other m 2017-03-27T15:55:52.55
IV.LPEL.HHE. ML:0.0 0.0001505 0.2 AML other m 2017-03-27T15:55:56.44
IV.LPEL.HHN. ML:0.0 0.000178 0.56 AML other m 2017-03-27T15:55:57.77
IV.RM33.EHN. ML:1.7 0.00015529999999999998 0.54 AML other m 2017-03-27T15:55:55.93
IV.RM33.HNE. ML:1.7 0.00016952845 0.32 AML other m 2017-03-27T15:55:55.00
IV.RM33.HNN. ML:1.8 0.00020167301999999998 0.512 AML other m 2017-03-27T15:55:55.91
IV.RM33.EHE. ML:1.8 0.00023249999999999999 1.66 AML other m 2017-03-27T15:55:55.02
IV.T0110.HHE. ML:2.2 0.001565 0.82 AML other m 2017-03-27T15:55:47.45
IV.T0110.HHN. ML:0.0 0.0017000000000000001 0.32 AML other m 2017-03-27T15:55:46.81
IV.TERO.HHN. ML:1.7 0.0001635 1.4 AML other m 2017-03-27T15:55:54.81
IV.TERO.HNN. ML:1.5 0.0001217906 0.2688 AML other m 2017-03-27T15:55:52.67
IV.TERO.HNE. ML:1.6 0.000126937085 0 AML other m 2017-03-27T15:55:55.32
IV.TERO.HHE. ML:1.6 0.000139 0.44 AML other m 2017-03-27T15:55:55.34
IV.VCEL.EHE. ML:0.0 0.0010435 0.26 AML other m 2017-03-27T15:55:50.37
IV.VCEL.EHN. ML:2.1 0.0007669999999999999 0.24 AML other m 2017-03-27T15:55:49.74
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