Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 28-08-2014 and time 01:58:06 (UTC) in region 5 km NE Borbona (RI)

A magnitude ML 1.6 earthquake occured in region: 5 km NE Borbona (RI), on

  • 28-08-2014 01:58:06 (UTC)
  • 28-08-2014 03:58:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5570, 13.1580 at 10 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
Borbona RI 5 617 617
Posta RI 6 694 1311
Cittareale RI 7 482 1793
Montereale AQ 8 2581 4374
Cagnano Amiterno AQ 12 1369 5743
Capitignano AQ 13 665 6408
Amatrice RI 14 2657 9065
Micigliano RI 14 127 9192
Barete AQ 16 737 9929
Leonessa RI 16 2435 12364
Antrodoco RI 17 2588 14952
Accumoli RI 17 667 15619
Campotosto AQ 18 542 16161
Pizzoli AQ 18 4326 20487
Borgo Velino RI 19 972 21459
Monteleone di Spoleto PG 20 599 22058

Municipalities with at least 50000 inhabitants

An earthquake occurred to
30 Km NW of L'Aquila (69753 inhabitants)
42 Km E of Terni (111501 inhabitants)
46 Km W of Teramo (54892 inhabitants)
58 Km SE of Foligno (57155 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
72 Km NE of Tivoli (56533 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
86 Km W of Chieti (51815 inhabitants)
87 Km W of Pescara (121014 inhabitants)
88 Km E of Viterbo (67173 inhabitants)
88 Km SE of Perugia (166134 inhabitants)
92 Km NE 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 1.6 2014-08-28
01:58:06		 42.557 13.1577 10 2015-09-21
09:39:02		 Bollettino Sismico Italiano INGV 14616991
Reviewed
Rev100 		ML 1.6 2014-08-28
01:58:06		 42.5593 13.1587 10 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 8018251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-08-28 01:58:06 ± 0.09
Latitude 42.5570 ± 0.0054
Longitude 13.1577 ± 0.0073
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 14616991

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 567
Semi-minor axis of confidence ellipse (meter) 503
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 70
Circular confidence region, given by single value of horizontal uncertainty (meter) 570.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 32
Number of defining phases 32
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.33
Epicentral distance of station closest to the epicenter (degree) 0.06385
Epicentral distance of station farthest from the epicenter (degree) 0.81838
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 17
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 14616991
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2014-12-12 09:27:32

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 8018251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-08-28 02:07:37
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CING.HHZ. 2014-08-28T01:58:34.00 0.3 undecidable manual S 2 90.8424 50 0.81 53
IV.ASSB.HHZ. 2014-08-28T01:58:27.24 0.6 undecidable manual S 323 67.4769 50 0.3 44
IV.VCEL.EHZ. 2014-08-28T01:58:25.50 0.6 undecidable manual S 108 58.6968 50 0.89 36
IV.GUMA.HHZ. 2014-08-28T01:58:25.23 0.6 undecidable manual S 14 57.8976 50 0.83 37
IV.CSP1.EHZ. 2014-08-28T01:58:24.88 0.3 undecidable manual S 4 59.496 50 0.07 70
IV.CESI.HHE. 2014-08-28T01:58:23.53 0.6 undecidable manual S 338 53.8017 50 0.24 45
IV.FDMO.HHZ. 2014-08-28T01:58:22.99 0.3 undecidable manual S 354 53.502 50 -0.23 68
IV.CESX.HHZ. 2014-08-28T01:58:21.85 0.6 undecidable manual S 277 47.0196 50 0.37 45
IV.CING.HHZ. 2014-08-28T01:58:21.56 0.1 undecidable manual P 2 90.8424 50 -0.24 84
IV.TERO.HHZ. 2014-08-28T01:58:18.13 0.6 undecidable manual S 79 37.1295 50 -0.73 40
IV.ASSB.HHZ. 2014-08-28T01:58:18.88 0.3 negative manual P 323 67.4769 50 0.68 58
IV.VCEL.EHZ. 2014-08-28T01:58:17.21 0.1 undecidable manual P 108 58.6968 50 0.36 88
IV.FIAM.HHZ. 2014-08-28T01:58:17.37 0.3 undecidable manual S 186 32.2455 50 -0.17 72
IV.OFFI.HHZ. 2014-08-28T01:58:17.66 0.1 undecidable manual P 46 60.0954 50 0.6 81
IV.GUMA.HHZ. 2014-08-28T01:58:16.48 0.1 undecidable manual P 14 57.8976 50 -0.25 90
IV.CSP1.EHZ. 2014-08-28T01:58:16.65 0.1 undecidable manual P 4 59.496 50 -0.31 88
IV.NRCA.HHZ. 2014-08-28T01:58:16.43 0.6 undecidable manual S 353 30.8469 50 -0.75 40
IV.CESI.HHE. 2014-08-28T01:58:15.60 0.6 undecidable manual P 338 53.8017 50 -0.49 43
IV.CESX.HHZ. 2014-08-28T01:58:15.31 0.1 undecidable manual P 277 47.0196 50 0.27 91
IV.FDMO.HHZ. 2014-08-28T01:58:15.66 0.1 undecidable manual P 354 53.502 50 -0.38 88
IV.CAMP.HHZ. 2014-08-28T01:58:14.07 0.6 undecidable manual S 96 20.6682 116 -0.15 49
IV.TERO.HHZ. 2014-08-28T01:58:13.10 0.1 positive manual P 79 37.1295 50 -0.43 90
IV.SMA1.EHZ. 2014-08-28T01:58:13.05 0.6 undecidable manual S 61 16.6722 121 0.06 50
IV.FIAM.HHZ. 2014-08-28T01:58:12.65 0.1 undecidable manual P 186 32.2455 50 -0.12 97
IV.NRCA.HHZ. 2014-08-28T01:58:12.18 0.1 negative manual P 353 30.8469 50 -0.38 92
IV.ARRO.EHZ. 2014-08-28T01:58:12.46 0.1 undecidable manual P 275 32.1456 50 -0.29 93
IV.LNSS.HHZ. 2014-08-28T01:58:11.23 0.6 undecidable manual S 298 10.878 133 -0.15 50
IV.CAMP.HHZ. 2014-08-28T01:58:10.80 0.1 undecidable manual P 96 20.6682 116 -0.05 100
IV.SMA1.EHZ. 2014-08-28T01:58:10.29 0.1 positive manual P 61 16.6722 121 0.15 99
IV.RM33.EHZ. 2014-08-28T01:58:10.42 0.6 undecidable manual S 139 7.0929 145 -0.09 51
IV.LNSS.HHZ. 2014-08-28T01:58:09.35 0.1 positive manual P 298 10.878 133 0.14 100
IV.RM33.EHZ. 2014-08-28T01:58:08.90 0.1 undecidable manual P 139 7.0929 145 0.19 99
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.ARRO.EHN. ML:1.2 0.0000751 0.74 AML other m 2014-08-28T01:58:20.47
IV.ARRO.EHE. ML:1.3 0.00008280000000000001 0.82 AML other m 2014-08-28T01:58:20.95
IV.ASSB.HHN. ML:1.4 0.00004175 1.04 AML other m 2014-08-28T01:58:32.37
IV.ASSB.HHE. ML:1.3 0.0000368 0.36 AML other m 2014-08-28T01:58:34.47
IV.CAMP.HHE. ML:1.3 0.0001545 0.46 AML other m 2014-08-28T01:58:15.02
IV.CAMP.HHN. ML:1.4 0.000182 0.3 AML other m 2014-08-28T01:58:15.48
IV.CESX.HHE. ML:1.3 0.00005505 0.6 AML other m 2014-08-28T01:58:23.29
IV.CESX.HHN. ML:1.4 0.0000648 1.14 AML other m 2014-08-28T01:58:24.27
IV.FIAM.HHN. ML:1.3 0.00008834999999999999 0.86 AML other m 2014-08-28T01:58:18.31
IV.FIAM.HHE. ML:1.3 0.00009245000000000001 0.76 AML other m 2014-08-28T01:58:20.90
IV.GUMA.HHE. ML:1.8 0.0001336 1.58 AML other m 2014-08-28T01:58:26.87
IV.GUMA.HHN. ML:1.8 0.0001435 0.88 AML other m 2014-08-28T01:58:26.50
IV.LNSS.HHN. ML:2.2 0.00183 0.2 AML other m 2014-08-28T01:58:11.67
IV.LNSS.HHE. ML:2.2 0.001835 0.18 AML other m 2014-08-28T01:58:11.58
IV.NRCA.HHN. ML:2.0 0.000488 0.12 AML other m 2014-08-28T01:58:16.76
IV.NRCA.HHE. ML:2.2 0.0008245 0.14 AML other m 2014-08-28T01:58:16.83
IV.RM33.EHN. ML:2.0 0.001655 0.26 AML other m 2014-08-28T01:58:10.60
IV.RM33.EHE. ML:1.9 0.001315 0.56 AML other m 2014-08-28T01:58:10.64
IV.SMA1.EHN. ML:1.8 0.0005755 0.24 AML other m 2014-08-28T01:58:13.34
IV.SMA1.EHE. ML:2.1 0.0010505 0.2 AML other m 2014-08-28T01:58:13.45
IV.TERO.HHE. ML:1.3 0.00006835 0.16 AML other m 2014-08-28T01:58:18.26
IV.TERO.HHN. ML:1.3 0.0000732 1.32 AML other m 2014-08-28T01:58:18.26
IV.VCEL.EHE. ML:1.6 0.0000798 0.58 AML other m 2014-08-28T01:58:28.29
IV.VCEL.EHN. ML:1.6 0.000078 1.22 AML other m 2014-08-28T01:58:29.12
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