Earthquake with magnitude of ML 1.4 on date 04-04-2017 and time 12:35:02 (Italy) in region 4 km E Cittareale (RI)

A magnitude ML 1.4 earthquake occured in region: 4 km E Cittareale (RI), on

  • 04-04-2017 10:35:02 (UTC)
  • 04-04-2017 12:35:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6160, 13.2060 at 15 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
Cittareale RI 4 482 482
Amatrice RI 7 2657 3139
Accumoli RI 10 667 3806
Montereale AQ 11 2581 6387
Borbona RI 13 617 7004
Capitignano AQ 13 665 7669
Posta RI 14 694 8363
Campotosto AQ 15 542 8905
Cagnano Amiterno AQ 18 1369 10274
Arquata del Tronto AP 19 1178 11452
Barete AQ 19 737 12189
Cascia PG 19 3217 15406

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km NW of L'Aquila (69753 inhabitants)
41 Km W of Teramo (54892 inhabitants)
46 Km E of Terni (111501 inhabitants)
56 Km SE of Foligno (57155 inhabitants)
78 Km W of Montesilvano (53738 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
84 Km W of Chieti (51815 inhabitants)
84 Km W of Pescara (121014 inhabitants)
86 Km SE of Perugia (166134 inhabitants)
93 Km E of Viterbo (67173 inhabitants)
100 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
Reviewed
Rev100
ML 1.4 2017-04-04
10:35:02
42.6165 13.2065 15 2017-04-04
10:52:21
Sala Sismica INGV-Roma 43366641
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-04-04 10:35:02 ± 0.1
Latitude 42.6165 ± 0.0045
Longitude 13.2065 ± 0.0061
Depth (km) 15 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 43366641

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 500
Semi-minor axis of confidence ellipse (meter) 289
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) 500.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 22
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.28
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.29588
Number of stations at which the event was observed 12
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 3
Type of magnitude ML
Reference to an origin 43366641
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-04-04 10:52:21
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PP3.EHZ. 2017-04-04T10:35:30.44 3.0 undecidable manual S -0.52 0
IV.T1216.EHZ. 2017-04-04T10:35:15.46 3.0 undecidable manual S -0.01 0
IV.T1241.EHZ. 2017-04-04T10:35:14.02 0.1 undecidable manual S 34 32.2455 100 0.04 96
IV.T1211.EHZ. 2017-04-04T10:35:13.22 0.1 undecidable manual S 252 30.1476 102 -0.21 93
IV.TERO.HHZ. 2017-04-04T10:35:13.73 0.1 undecidable manual S 89 32.4453 100 -0.29 92
IV.MMO1.EHZ. 2017-04-04T10:35:13.20 0.1 undecidable manual S 17 32.8449 100 -0.94 73
IV.T1217.EHZ. 2017-04-04T10:35:12.02 0.1 undecidable manual S 295 24.8529 106 -0.02 98
IV.T1222.EHZ. 2017-04-04T10:35:12.50 0.1 undecidable manual S 210 27.6501 103 -0.26 93
IV.T1212.EHZ. 2017-04-04T10:35:10.80 0.1 undecidable manual S 319 19.9689 112 -0.01 99
IV.T1241.EHZ. 2017-04-04T10:35:09.46 0.1 positive manual P 34 32.2455 100 0.19 93
IV.MMO1.EHZ. 2017-04-04T10:35:09.62 0.1 undecidable manual P 17 32.8449 100 0.27 92
IV.T1211.EHZ. 2017-04-04T10:35:09.02 0.1 positive manual P 252 30.1476 102 0.08 96
IV.TERO.HHZ. 2017-04-04T10:35:09.27 0.1 positive manual P 89 32.4453 100 -0.02 97
IV.T1222.EHZ. 2017-04-04T10:35:08.58 0.1 undecidable manual P 210 27.6501 103 0.02 98
IV.SMA1.EHZ. 2017-04-04T10:35:08.88 0.1 undecidable manual S 82 10.5783 135 0.15 98
IV.T1217.EHZ. 2017-04-04T10:35:08.23 0.1 undecidable manual P 295 24.8529 106 0.09 97
IV.RM33.EHZ. 2017-04-04T10:35:08.75 0.1 undecidable manual S 177 11.9769 131 -0.23 96
IV.T1212.EHZ. 2017-04-04T10:35:07.65 0.1 undecidable manual P 319 19.9689 112 0.21 95
IV.T1299.EHZ. 2017-04-04T10:35:07.98 0.1 undecidable manual S 72 6.4935 151 -0.08 100
IV.T1299.EHZ. 2017-04-04T10:35:06.14 0.1 undecidable manual P 72 6.4935 151 0.3 96
IV.RM33.EHZ. 2017-04-04T10:35:06.51 0.1 negative manual P 177 11.9769 131 0.13 98
IV.SMA1.EHZ. 2017-04-04T10:35:06.63 0.1 positive manual P 82 10.5783 135 0.4 93
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:1.2 0.00015411 0.2816 AML other m 2017-04-04T10:35:08.90
IV.SMA1.EHE. ML:1.7 0.00044806945 0.2368 AML other m 2017-04-04T10:35:09.22
IV.T1299.EHN. ML:1.2 0.0001898647 0.096 AML other m 2017-04-04T10:35:08.31
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