Earthquake with magnitude of ML 0.9 on date 04-03-2017 and time 21:06:35 (Italy) in region 5 km N Cittareale (RI)

A magnitude ML 0.9 earthquake occured in region: 5 km N Cittareale (RI), on

  • 04-03-2017 20:06:35 (UTC)
  • 04-03-2017 21:06:35 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.6610, 13.1750 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
Cittareale RI 5 482 482
Accumoli RI 7 667 1149
Amatrice RI 10 2657 3806
Cascia PG 15 3217 7023
Arquata del Tronto AP 16 1178 8201
Montereale AQ 16 2581 10782
Norcia PG 16 4957 15739
Posta RI 16 694 16433
Borbona RI 17 617 17050
Monteleone di Spoleto PG 18 599 17649
Capitignano AQ 19 665 18314
Campotosto AQ 20 542 18856

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km NW of L'Aquila (69753 inhabitants)
43 Km W of Teramo (54892 inhabitants)
45 Km E of Terni (111501 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
82 Km W of Montesilvano (53738 inhabitants)
82 Km NE of Guidonia Montecelio (88673 inhabitants)
83 Km NE of Tivoli (56533 inhabitants)
88 Km W of Pescara (121014 inhabitants)
88 Km W of Chieti (51815 inhabitants)
92 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 0.9 2017-03-04
20:06:35
42.6607 13.1752 11 2017-03-04
20:38:23
Sala Sismica INGV-Roma 41970841
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2017-03-04 20:06:35 ± 0.07
Latitude 42.6607 ± 0.0036
Longitude 13.1752 ± 0.0049
Depth (km) 11 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 41970841

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 423
Semi-minor axis of confidence ellipse (meter) 350
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 120
Circular confidence region, given by single value of horizontal uncertainty (meter) 420.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 131
Number of associated phases, regardless of their use for origin computation 25
Number of defining phases 16
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.13
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.26800
Number of stations at which the event was observed 17
Number of stations from which data was used for origin computation 8
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 7
Type of magnitude ML
Reference to an origin 41970841
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2017-03-04 20:38:23
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ORI.HHZ. 2017-03-04T20:08:03.18 3.0 undecidable manual Sg 3.93 0
IV.PTRJ.HNZ. 2017-03-04T20:07:09.23 3.0 undecidable manual Sg -2.9 0
IV.SACR.HHZ. 2017-03-04T20:07:07.59 3.0 undecidable manual Sn -6.46 0
IV.MMUR.HNZ. 2017-03-04T20:07:06.99 3.0 undecidable manual Sg 0.08 0
IV.GAG1.HNZ. 2017-03-04T20:06:58.56 3.0 undecidable manual Sn -3.74 0
IV.FOSV.EHZ. 2017-03-04T20:06:58.30 3.0 undecidable manual Sn -5.96 0
IV.MURB.HHZ. 2017-03-04T20:06:53.39 3.0 undecidable manual Pg 3.85 0
IV.MA9.HHZ. 2017-03-04T20:06:52.68 3.0 undecidable manual Sn -2.34 0
IV.T1216.EHZ. 2017-03-04T20:06:45.40 0.6 undecidable manual S 334 28.5492 50 0.06 48
IV.T1211.EHZ. 2017-03-04T20:06:45.92 0.6 undecidable manual S 242 29.748 50 0.25 46
IV.T1215.EHZ. 2017-03-04T20:06:45.38 0.6 undecidable manual S 302 29.4483 50 -0.22 47
IV.T1212.EHZ. 2017-03-04T20:06:41.46 0.6 undecidable manual S 314 14.6742 126 -0.02 50
IV.T1215.EHZ. 2017-03-04T20:06:41.25 0.1 undecidable manual P 302 29.4483 50 0.05 97
IV.LNSS.HHZ. 2017-03-04T20:06:41.08 0.3 undecidable manual S 240 12.7761 130 0.12 73
IV.T1299.EHZ. 2017-03-04T20:06:40.00 0.6 undecidable manual S 109 9.1797 139 -0.08 50
IV.T1216.EHZ. 2017-03-04T20:06:40.91 1.0 negative manual P 334 28.5492 50 -0.14 24
IV.T1214.EHZ. 2017-03-04T20:06:40.80 0.6 undecidable manual S 14 11.2776 133 0.21 48
IV.T1211.EHZ. 2017-03-04T20:06:40.96 1.0 negative manual P 242 29.748 50 -0.28 23
IV.T1218.EHZ. 2017-03-04T20:06:39.24 0.6 undecidable manual S 282 4.995 155 -0.04 50
IV.T1214.EHZ. 2017-03-04T20:06:38.50 1.0 positive manual P 14 11.2776 133 0.19 24
IV.T1212.EHZ. 2017-03-04T20:06:38.85 0.1 undecidable manual P 314 14.6742 126 0.03 99
IV.LNSS.HHZ. 2017-03-04T20:06:38.50 0.1 undecidable manual P 240 12.7761 130 -0.02 100
IV.T1299.EHZ. 2017-03-04T20:06:38.13 1.0 undecidable manual P 109 9.1797 139 0.12 25
IV.T1218.EHZ. 2017-03-04T20:06:37.18 0.6 negative manual P 282 4.995 155 -0.37 47
IV.T0110.HHZ. 2017-03-04T20:06:36.81 3.0 undecidable manual P -6.02 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:0.8 0.0000649212185 0.128 AML other m 2017-03-04T20:06:41.34
IV.LNSS.HHE. ML:0.8 0.000071758685 0.1408 AML other m 2017-03-04T20:06:41.15
IV.T1211.EHN. ML:1.2 0.000082887095 44.9152 AML other m 2017-03-04T20:06:40.74
IV.T1211.HNN. ML:1.2 0.000083639307 1.4208 AML other m 2017-03-04T20:06:46.75
IV.T1212.HNE. ML:1.3 0.000199725195 0.5248 AML other m 2017-03-04T20:06:40.31
IV.T1212.HNN. ML:1.0 0.00009875289 0.768 AML other m 2017-03-04T20:06:41.53
IV.T1212.EHE. ML:0.7 0.00005156355 0.2304 AML other m 2017-03-04T20:06:41.85
IV.T1212.EHN. ML:0.7 0.000043161279500000004 0.1664 AML other m 2017-03-04T20:06:41.76
IV.T1214.EHE. ML:0.8 0.000076091005 1.1776 AML other m 2017-03-04T20:06:38.89
IV.T1214.EHN. ML:0.7 0.000055381890000000005 0.5888 AML other m 2017-03-04T20:06:40.88
IV.T1214.HNN. ML:0.8 0.000070643815 0.832 AML other m 2017-03-04T20:06:38.39
IV.T1214.HNE. ML:1.0 0.00011317742 1.152 AML other m 2017-03-04T20:06:45.48
IV.T1215.EHN. ML:1.1 0.00006677152 1.8048 AML other m 2017-03-04T20:06:59.23
IV.T1215.HNE. ML:1.2 0.00007607810500000001 0.8576 AML other m 2017-03-04T20:06:49.90
IV.T1215.HNN. ML:1.2 0.00008086899 0.832 AML other m 2017-03-04T20:06:49.24
IV.T1218.EHN. ML:0.8 0.00010094281000000001 0.1664 AML other m 2017-03-04T20:06:39.80
IV.T1218.HNE. ML:0.8 0.000092406335 0.064 AML other m 2017-03-04T20:06:39.73
IV.T1218.EHE. ML:0.8 0.00009093005500000001 0.0768 AML other m 2017-03-04T20:06:39.73
IV.T1218.HNN. ML:0.7 0.000086412091 0.0768 AML other m 2017-03-04T20:06:39.87
IV.T1299.HNE. ML:0.9 0.000096312701 0.7552 AML other m 2017-03-04T20:06:45.93
IV.T1299.EHE. ML:0.5 0.00003989834 0.32 AML other m 2017-03-04T20:06:40.09
IV.T1299.HNN. ML:1.0 0.0001164481 0.8576 AML other m 2017-03-04T20:06:48.52
IV.T1299.EHN. ML:0.7 0.000061582875 1.2416 AML other m 2017-03-04T20:06:50.37
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