Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.7 on date 28-02-2017 and time 20:36:52 (Italy) in region 2 km NW Capitignano (AQ)

A magnitude ML 1.7 earthquake occured in region: 2 km NW Capitignano (AQ), on

  • 28-02-2017 19:36:52 (UTC)
  • 28-02-2017 20:36:52 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5350, 13.2790 at 13 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Capitignano AQ 2 665 665
Montereale AQ 3 2581 3246
Campotosto AQ 8 542 3788
Barete AQ 9 737 4525
Cagnano Amiterno AQ 9 1369 5894
Amatrice RI 11 2657 8551
Pizzoli AQ 11 4326 12877
Borbona RI 12 617 13494
Cittareale RI 13 482 13976
Posta RI 15 694 14670
Crognaleto TE 17 1297 15967
Accumoli RI 18 667 16634
Scoppito AQ 18 3727 20361

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km NW of L'Aquila (69753 inhabitants)
38 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
66 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
75 Km NE of Guidonia Montecelio (88673 inhabitants)
76 Km W of Chieti (51815 inhabitants)
77 Km W of Pescara (121014 inhabitants)
97 Km SE of Perugia (166134 inhabitants)
97 Km NE of Roma (2864731 inhabitants)
97 Km E of Viterbo (67173 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
Reviewed
Rev100 		ML 1.7 2017-02-28
19:36:52		 42.5352 13.2788 13 2017-02-28
19:41:37		 Sala Sismica INGV-Roma 41768611
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-02-28 19:36:52 ± 0.07
Latitude 42.5352 ± 0.0027
Longitude 13.2788 ± 0.0049
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41768611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 341
Semi-minor axis of confidence ellipse (meter) 278
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 270
Circular confidence region, given by single value of horizontal uncertainty (meter) 340.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 101
Number of associated phases, regardless of their use for origin computation 37
Number of defining phases 35
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.22
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.52880
Number of stations at which the event was observed 20
Number of stations from which data was used for origin computation 18
Magnitude information

ML:1.7

Field Value
Value 1.7
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 41768611
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-02-28 19:41:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHZ. 2017-02-28T19:37:11.62 0.6 undecidable manual S 4 58.6968 92 1.31 29
IV.FDMO.HHZ. 2017-02-28T19:37:10.64 0.6 undecidable manual S 344 57.7977 92 0.58 40
IV.T1215.EHZ. 2017-02-28T19:37:06.40 0.6 undecidable manual S 312 44.7219 93 -0.17 46
IV.MMO1.EHZ. 2017-02-28T19:37:05.53 0.6 undecidable manual S 6 40.626 94 0.05 47
IV.NRCA.HHZ. 2017-02-28T19:37:04.18 0.6 undecidable manual S 338 35.742 94 0 48
IV.T1241.EHZ. 2017-02-28T19:37:04.63 0.6 undecidable manual S 19 37.7289 94 -0.09 47
IV.T1211.EHZ. 2017-02-28T19:37:03.68 0.6 undecidable manual S 270 34.6431 95 -0.21 46
IV.T1217.EHZ. 2017-02-28T19:37:03.66 0.6 undecidable manual S 305 34.4433 95 -0.2 46
IV.T1212.EHZ. 2017-02-28T19:37:02.63 0.1 undecidable manual S 322 30.6471 96 -0.21 93
IV.FDMO.HHZ. 2017-02-28T19:37:02.45 0.6 negative manual P 344 57.7977 92 -0.05 46
IV.GUMA.HHZ. 2017-02-28T19:37:02.98 0.1 negative manual P 4 58.6968 92 0.33 86
IV.TERO.HHZ. 2017-02-28T19:37:01.68 0.1 undecidable manual S 70 28.2495 96 -0.52 87
IV.T1256.HHZ. 2017-02-28T19:37:01.04 3.0 undecidable manual P -0.69 0
IV.T1222.EHZ. 2017-02-28T19:37:01.26 0.1 undecidable manual S 233 24.753 98 -0.01 97
IV.LNSS.HHZ. 2017-02-28T19:37:00.30 0.3 undecidable manual S 291 20.868 102 0.05 73
IV.T1215.EHZ. 2017-02-28T19:37:00.46 0.1 undecidable manual P 312 44.7219 93 -0.02 94
IV.T1218.EHZ. 2017-02-28T19:36:59.83 0.1 undecidable manual S 318 20.0688 103 -0.21 95
IV.T1241.EHZ. 2017-02-28T19:36:59.25 0.3 positive manual P 19 37.7289 94 -0.17 69
IV.MMO1.EHZ. 2017-02-28T19:36:59.79 0.1 positive manual P 6 40.626 94 -0.07 94
IV.T1217.EHZ. 2017-02-28T19:36:59.01 0.6 undecidable manual P 305 34.4433 95 0.09 47
IV.NRCA.HHZ. 2017-02-28T19:36:58.98 0.1 undecidable manual P 338 35.742 94 -0.13 94
IV.SMA1.EHZ. 2017-02-28T19:36:58.03 0.1 undecidable manual S 24 11.5773 125 0.09 98
IV.T1211.EHZ. 2017-02-28T19:36:58.99 1.0 undecidable manual P 270 34.6431 95 0.05 24
IV.T1212.EHZ. 2017-02-28T19:36:58.26 0.6 positive manual P 322 30.6471 96 -0.08 48
IV.FIAM.HHZ. 2017-02-28T19:36:58.66 0.1 positive manual P 204 32.4453 95 0.05 96
IV.T1247.HHZ. 2017-02-28T19:36:57.65 0.3 undecidable manual S 171 10.4784 128 -0.07 74
IV.T1222.EHZ. 2017-02-28T19:36:57.41 0.1 undecidable manual P 233 24.753 98 -0.02 97
IV.TERO.HHZ. 2017-02-28T19:36:57.70 0.1 undecidable manual P 70 28.2495 96 -0.26 92
IV.T1299.EHZ. 2017-02-28T19:36:57.59 0.3 undecidable manual S 1 10.9779 127 -0.23 72
IV.LNSS.HHZ. 2017-02-28T19:36:57.00 0.1 negative manual P 291 20.868 102 0.16 96
MN.AQU.HHZ. 2017-02-28T19:36:56.46 3.0 undecidable manual P -0.52 0
IV.RM33.EHZ. 2017-02-28T19:36:56.85 0.1 undecidable manual S 241 5.994 148 -0.06 100
IV.T1218.EHZ. 2017-02-28T19:36:56.76 0.6 positive manual P 318 20.0688 103 0.05 49
IV.RM33.EHZ. 2017-02-28T19:36:55.12 0.1 undecidable manual P 241 5.994 148 0.21 97
IV.T1299.EHZ. 2017-02-28T19:36:55.60 0.1 undecidable manual P 1 10.9779 127 0.17 97
IV.T1247.HHZ. 2017-02-28T19:36:55.59 0.1 undecidable manual P 171 10.4784 128 0.22 96
IV.SMA1.EHZ. 2017-02-28T19:36:55.75 0.1 positive manual P 24 11.5773 125 0.25 95
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HHN. ML:1.7 0.000097 0.8 AML other m 2017-02-28T19:37:11.98
IV.GUMA.HHE. ML:1.7 0.00011049999999999999 0.78 AML other m 2017-02-28T19:37:13.03
IV.LNSS.HHE. ML:1.5 0.0002245 0.16 AML other m 2017-02-28T19:37:00.68
IV.LNSS.HHN. ML:1.5 0.000224 1.2 AML other m 2017-02-28T19:37:00.28
IV.NRCA.HHE. ML:1.7 0.00019800000000000002 0.46 AML other m 2017-02-28T19:37:04.03
IV.NRCA.HHN. ML:1.6 0.00017099999999999998 0.1 AML other m 2017-02-28T19:37:06.33
IV.RM33.EHE. ML:2.1 0.00175 0.54 AML other m 2017-02-28T19:36:57.36
IV.RM33.HNE. ML:2.1 0.00171 0.54 AML other m 2017-02-28T19:36:57.36
IV.RM33.HNN. ML:1.9 0.001075 0.18 AML other m 2017-02-28T19:36:57.01
IV.RM33.EHN. ML:1.9 0.0010465 0.18 AML other m 2017-02-28T19:36:57.01
IV.SMA1.EHN. ML:2.4 0.002755 0.34 AML other m 2017-02-28T19:36:58.55
IV.SMA1.EHE. ML:2.4 0.0024500000000000004 0.38 AML other m 2017-02-28T19:36:58.47
IV.T1212.EHN. ML:1.5 0.0001487 0.14 AML other m 2017-02-28T19:37:03.10
IV.T1212.EHE. ML:1.4 0.00011875 1 AML other m 2017-02-28T19:37:03.72
IV.T1218.HNE. ML:1.7 0.0003375 0.18 AML other m 2017-02-28T19:36:59.90
IV.T1218.EHE. ML:1.7 0.000336 0.78 AML other m 2017-02-28T19:36:59.90
IV.T1218.EHN. ML:1.7 0.00035 0.12 AML other m 2017-02-28T19:37:00.00
IV.T1218.HNN. ML:1.7 0.00034050000000000004 0.12 AML other m 2017-02-28T19:37:00.00
IV.T1222.EHN. ML:1.5 0.00017649999999999998 0.32 AML other m 2017-02-28T19:37:01.36
IV.T1222.EHE. ML:1.4 0.0001495 0.36 AML other m 2017-02-28T19:37:01.49
IV.T1241.HNE. ML:3.4 0.0085 0.4 AML other m 2017-02-28T19:37:14.41
IV.T1241.HNN. ML:3.8 0.0205 1.58 AML other m 2017-02-28T19:37:15.89
IV.T1247.HHN. ML:2.0 0.0011600000000000002 1.62 AML other m 2017-02-28T19:36:57.88
IV.T1247.HHE. ML:1.9 0.0008779999999999999 0.08 AML other m 2017-02-28T19:36:58.91
IV.T1299.EHE. ML:1.7 0.00047050000000000005 1.64 AML other m 2017-02-28T19:36:57.86
IV.T1299.EHN. ML:1.8 0.000631 0.96 AML other m 2017-02-28T19:36:58.86
IV.T1299.HNE. ML:1.7 0.000488 1.64 AML other m 2017-02-28T19:36:57.86
IV.T1299.HNN. ML:1.8 0.0006185 0.96 AML other m 2017-02-28T19:36:58.86
IV.TERO.HHN. ML:1.4 0.000118 1.28 AML other m 2017-02-28T19:37:04.25
IV.TERO.HHE. ML:1.3 0.00010499999999999999 1.66 AML other m 2017-02-28T19:37:01.14
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