Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 26-06-2015 and time 18:00:41 (Italy) in region 6 km SE Bolognola (MC)

A magnitude ML 1.4 earthquake occured in region: 6 km SE Bolognola (MC), on

  • 26-06-2015 16:00:41 (UTC)
  • 26-06-2015 18:00:41 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9410, 13.2540 at 23 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
Bolognola MC 6 142 142
Montefortino FM 7 1178 1320
Montemonaco AP 8 604 1924
Ussita MC 9 444 2368
Amandola FM 10 3629 5997
Castelsantangelo sul Nera MC 10 281 6278
Sarnano MC 11 3264 9542
Acquacanina MC 12 121 9663
Montegallo AP 13 523 10186
Fiastra MC 13 559 10745
Comunanza AP 13 3166 13911
Visso MC 14 1107 15018
Gualdo MC 16 815 15833
Fiordimonte MC 17 202 16035
Smerillo FM 17 365 16400
Palmiano AP 17 196 16596
Montefalcone Appennino FM 18 424 17020
Monte San Martino MC 18 765 17785
Preci PG 19 724 18509
Cessapalombo MC 19 512 19021
Arquata del Tronto AP 19 1178 20199
Penna San Giovanni MC 19 1108 21307
San Ginesio MC 19 3498 24805
Pievebovigliana MC 19 866 25671
Force AP 20 1354 27025

Municipalities with at least 50000 inhabitants

An earthquake occurred to
45 Km E of Foligno (57155 inhabitants)
48 Km NW of Teramo (54892 inhabitants)
65 Km NE of Terni (111501 inhabitants)
67 Km N of L'Aquila (69753 inhabitants)
73 Km E of Perugia (166134 inhabitants)
78 Km S of Ancona (100861 inhabitants)
87 Km NW of Montesilvano (53738 inhabitants)
95 Km NW of Pescara (121014 inhabitants)
99 Km NW of Chieti (51815 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 1.4 2015-06-26
16:00:41		 42.9413 13.254 23 2015-06-26
16:09:41		 Sala Sismica INGV-Roma 19931951
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-06-26 16:00:41 ± 0.09
Latitude 42.9413 ± 0.0027
Longitude 13.2540 ± 0.0049
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 19931951

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 390
Semi-minor axis of confidence ellipse (meter) 15
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 69
Circular confidence region, given by single value of horizontal uncertainty (meter) 390.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 115
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.50992
Number of stations at which the event was observed 19
Number of stations from which data was used for origin computation 8
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.2
Num. used stations 5
Type of magnitude ML
Reference to an origin 19931951
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-06-26 16:09:41
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.DGI.HHZ. 2015-06-26T16:02:39.99 3.0 undecidable manual Sg 17.219999 0
IV.EUCT.HNZ. 2015-06-26T16:02:37.99 3.0 undecidable manual Sg 17.51 0
IV.SALB.HHZ. 2015-06-26T16:02:24.99 3.0 undecidable manual Sn -0.72 0
MN.TRI.BHZ. 2015-06-26T16:02:10.99 3.0 undecidable manual Sg 12.82 0
GU.GBOS.HHZ. 2015-06-26T16:01:58.03 3.0 undecidable manual Pg 15.47 0
IV.NDIM.HNZ. 2015-06-26T16:01:51.99 3.0 undecidable manual Sn -0.08 0
IV.VARE.HHZ. 2015-06-26T16:01:49.78 3.0 undecidable manual Pn 4.55 0
SI.RISI.HHZ. 2015-06-26T16:01:38.86 3.0 negative manual Pn -2.93 0
IV.VOBA.HNZ. 2015-06-26T16:01:37.83 3.0 negative manual Pg 6.35 0
IV.IMOL.HNZ. 2015-06-26T16:01:30.99 3.0 undecidable manual Sn -1.75 0
IV.LIK.EHZ.01 2015-06-26T16:01:27.99 3.0 undecidable manual Sg 1.23 0
IV.ATCC.EHZ. 2015-06-26T16:00:59.27 0.3 undecidable manual S 299 56.5989 105 0.06 69
IV.RM33.EHZ. 2015-06-26T16:00:57.38 0.3 undecidable manual S 184 48.1185 108 0.36 66
IV.CING.HHZ. 2015-06-26T16:00:57.30 0.3 undecidable manual S 354 48.4182 108 0.2 69
IV.TERO.HHZ. 2015-06-26T16:00:56.34 0.3 undecidable manual S 141 45.4212 109 0 72
IV.SNTG.HHZ. 2015-06-26T16:00:55.78 0.3 undecidable manual S 324 43.0236 111 0.03 72
IV.CESI.HHZ. 2015-06-26T16:00:52.49 0.3 undecidable manual S 284 29.2485 121 0.07 73
IV.ATCC.EHZ. 2015-06-26T16:00:51.48 0.3 undecidable manual P 299 56.5989 105 -0.12 69
IV.RM33.EHZ. 2015-06-26T16:00:50.27 0.3 undecidable manual P 184 48.1185 108 -0.07 71
IV.CING.HHZ. 2015-06-26T16:00:50.37 0.3 undecidable manual P 354 48.4182 108 -0.01 71
IV.NRCA.HHZ. 2015-06-26T16:00:49.70 0.3 undecidable manual S 224 16.4724 140 -0.11 74
IV.SNTG.HHZ. 2015-06-26T16:00:49.37 0.3 undecidable manual P 324 43.0236 111 -0.24 69
IV.GUMA.HHZ. 2015-06-26T16:00:49.50 0.3 undecidable manual S 26 14.9739 142 -0.05 74
IV.TERO.HHZ. 2015-06-26T16:00:49.79 0.3 positive manual P 141 45.4212 109 -0.16 70
IV.CESI.HHZ. 2015-06-26T16:00:47.65 0.1 undecidable manual P 284 29.2485 121 -0.04 98
IV.NRCA.HHZ. 2015-06-26T16:00:46.11 0.1 undecidable manual P 224 16.4724 140 -0.07 100
IV.GUMA.HHZ. 2015-06-26T16:00:46.20 0.1 undecidable manual P 26 14.9739 142 0.17 98
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.2 0.00006545 0.28 AML other m 2015-06-26T16:00:53.09
IV.CESI.HHN. ML:1.1 0.00004645 0.34 AML other m 2015-06-26T16:00:52.97
IV.CING.HHE. ML:1.3 0.000048549999999999994 1.48 AML other m 2015-06-26T16:00:58.57
IV.CING.HHN. ML:1.4 0.0000533 0.26 AML other m 2015-06-26T16:00:58.64
IV.GUMA.HHN. ML:1.8 0.000381 1.58 AML other m 2015-06-26T16:00:50.32
IV.GUMA.HHE. ML:1.6 0.000244 0.24 AML other m 2015-06-26T16:00:52.49
IV.NRCA.HHN. ML:1.6 0.0001955 0.42 AML other m 2015-06-26T16:00:50.71
IV.NRCA.HHE. ML:1.7 0.0002785 0.16 AML other m 2015-06-26T16:00:50.19
IV.RM33.EHN. ML:1.3 0.00004835 0.54 AML other m 2015-06-26T16:00:58.06
IV.RM33.EHE. ML:1.4 0.00007145 0.2 AML other m 2015-06-26T16:00:59.20
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