INGVCENTRO​NAZIONALE​TERREMOTI
Sala Sismica

Earthquake with magnitude of ML 0.9 on date 15-04-2017 and time 22:57:06 (Italy) in region 1 km NE Capitignano (AQ)

A magnitude ML 0.9 earthquake occured in region: 1 km NE Capitignano (AQ), on

  • 15-04-2017 20:57:06 (UTC)
  • 15-04-2017 22:57:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.53, 13.31 at 11 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.

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 1 665 665
Montereale AQ 5 2581 3246
Campotosto AQ 6 542 3788
Barete AQ 9 737 4525
Pizzoli AQ 10 4326 8851
Cagnano Amiterno AQ 10 1369 10220
Amatrice RI 12 2657 12877
Crognaleto TE 14 1297 14174
Borbona RI 15 617 14791
Cittareale RI 16 482 15273
Posta RI 18 694 15967
Scoppito AQ 18 3727 19694
Fano Adriano TE 19 296 19990
Accumoli RI 19 667 20657
Cortino TE 19 656 21313

Municipalities with at least 50000 inhabitants

An earthquake occurred to
21 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
54 Km E of Terni (111501 inhabitants)
69 Km SE of Foligno (57155 inhabitants)
69 Km W of Montesilvano (53738 inhabitants)
73 Km W of Chieti (51815 inhabitants)
75 Km W of Pescara (121014 inhabitants)
75 Km NE of Tivoli (56533 inhabitants)
76 Km NE of Guidonia Montecelio (88673 inhabitants)
98 Km NE of Roma (2864731 inhabitants)
99 Km SE of Perugia (166134 inhabitants)
100 Km E of Viterbo (67173 inhabitants)
Recent and historical Seismicity
Seismic hazard
Shakemap
Felt maps
The earthquake effects in MCS scale as obtained from the compiled questionnaire

The earthquake effects in MCS scale as obtained from the compiled questionnaire

This map shows the distribution of the effects of the earthquake on the territory in terms of the MCS (Mercalli-Cancani-Sieberg) intensity scale. The intensities are determined using the data provided in the questionnaire (http://www.haisentitoilterremoto.it/) that are analysed using robust statistical techniques since they are not verified individually. Specifically, the assignment of MCS intensities greater or equal the VI degree of the MCS scale require opportune in situ verification by professional experts. The purple start shows the epicenter. This map is prepared every so often that the population fill in new questionnaires. The number of questionnaires used to determine the map and the date and time of the last adjournment are shown in the upper right part of the panel.
Locations history
Type Date and Time (UTC) Latitude Longitude Magnitude Depth (km) Published time (UTC) Author Location ID
Rev 100 2017-04-15
20:57:06
42.53 13.31 ML 0.9 11 2017-04-15
21:05:15
Sala Sismica INGV-Roma 43940971
Best location and best magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-15 20:57:06 ± 0.09
Latitude 42.53 ± 0.01
Longitude 13.31 ± 0.01
Depth (km) 11 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 43940971

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 728
Semi-minor axis of confidence ellipse (meter) 433
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 333
Circular confidence region, given by single value of horizontal uncertainty (meter) 730
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 75
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 12
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.21
Epicentral distance of station closest to the epicenter (degree) 0
Epicentral distance of station farthest from the epicenter (degree) 0.23652
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 9
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.3
Num. used stations 4
Type of magnitude ML
Reference to an origin 43940971
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-15 21:05:15
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
MN.TRI.HHZ. 2017-04-15T20:58:44.83 3.0 undecidable manual Sg 13.36 0
IV.VARE.HHZ. 2017-04-15T20:58:25.40 3.0 undecidable manual Pg 13.47 0
IV.TREM.HHZ. 2017-04-15T20:57:52.95 3.0 undecidable manual Sg 0.69 0
IV.ZCCA.HHZ. 2017-04-15T20:57:48.45 3.0 positive manual Pg 6.38 0
IV.CRE.HHZ. 2017-04-15T20:57:28.69 3.0 undecidable manual Pn 0.47 0
IV.VIVA.HHZ. 2017-04-15T20:57:28.80 3.0 undecidable manual Sg 0.79 0
IV.COR1.EHZ. 2017-04-15T20:57:25.85 3.0 undecidable manual Pg 1.65 0
TV.H2O5.DHZ. 2017-04-15T20:57:24.16 3.0 undecidable manual Sn -9.99 0
IV.FDMO.HHZ. 2017-04-15T20:57:23.58 3.0 undecidable manual Sn -2.26 0
IV.MMUR.HNZ. 2017-04-15T20:57:21.69 3.0 undecidable manual Pg 0.06 0
IV.SACR.HHZ. 2017-04-15T20:57:20.07 3.0 undecidable manual Pn -7.68 0
IV.MA9.HHZ. 2017-04-15T20:57:14.74 3.0 undecidable manual Pn -2.81 0
IV.T1246.HHE. 2017-04-15T20:57:10.82 0.3 undecidable manual P 68 0.1457 124 0.07 74
IV.T1214.EHZ. 2017-04-15T20:57:13.62 3.0 negative manual Pg 1.51 0
IV.SMA1.EHZ. 2017-04-15T20:57:10.11 0.1 negative manual P 10 0.1043 133 0.09 99
IV.TERO.HHZ. 2017-04-15T20:57:12.16 0.1 undecidable manual P 66 0.2365 50 -0.21 94
IV.T1218.EHZ. 2017-04-15T20:57:12.06 1.0 undecidable manual P 315 0.2023 50 0.29 23
IV.RM33.EHZ. 2017-04-15T20:57:09.64 0.1 positive manual P 255 0.0728 143 0.09 99
IV.LNSS.HHE. 2017-04-15T20:57:11.89 0.1 undecidable manual P 291 0.2122 50 -0.06 97
IV.GIGS.HHZ. 2017-04-15T20:57:11.93 0.3 undecidable manual P 111 0.2077 50 0.06 73
IV.T1247.HHE. 2017-04-15T20:57:10.13 0.3 undecidable manual P 186 0.0863 138 0.39 70
IV.T1299.EHZ. 2017-04-15T20:57:10.08 0.1 undecidable manual P 349 0.1088 132 -0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.COR1.EHE. ML:1.9 5.435E-5 0.46 AML other m 2017-04-15T20:57:25.36
IV.COR1.EHN. ML:2.1 7.795E-5 0.86 AML other m 2017-04-15T20:57:35.97
IV.FDMO.HHN. ML:1.3 4.025E-5 0.16 AML other m 2017-04-15T20:57:26.82
IV.FDMO.HHE. ML:1.2 3.11E-5 0.2 AML other m 2017-04-15T20:57:26.83
IV.RM33.EHN. ML:0.7 7.16E-5 1.18 AML other m 2017-04-15T20:57:11.40
IV.RM33.EHE. ML:0.8 7.63E-5 0.32 AML other m 2017-04-15T20:57:11.31
IV.SMA1.EHN. ML:0.9 8.1E-5 0.68 AML other m 2017-04-15T20:57:12.44
IV.SMA1.EHE. ML:1.2 0.000159 0.26 AML other m 2017-04-15T20:57:12.77
IV.T1299.EHN. ML:0.5 3.57E-5 1.48 AML other m 2017-04-15T20:57:12.88
IV.T1299.EHE. ML:0.6 3.935E-5 0.78 AML other m 2017-04-15T20:57:13.00
IV.VIVA.HHN. ML:3 0.001098 0.32 AML other m 2017-04-15T20:57:37.37
IV.VIVA.HHE. ML:3.1 0.001355 0.34 AML other m 2017-04-15T20:57:37.38
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download