Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 0.9 on date 26-07-2014 and time 14:20:06 (UTC) in region 5 km S Leonessa (RI)

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

  • 26-07-2014 14:20:06 (UTC)
  • 26-07-2014 16:20:06 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5160, 12.9610 at 10 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
Leonessa RI 5 2435 2435
Poggio Bustone RI 6 2055 4490
Cantalice RI 7 2755 7245
Rivodutri RI 9 1253 8498
Morro Reatino RI 11 373 8871
Micigliano RI 11 127 8998
Posta RI 11 694 9692
Polino TR 12 233 9925
Labro RI 13 374 10299
Borbona RI 14 617 10916
Cittaducale RI 14 6828 17744
Borgo Velino RI 15 972 18716
Castel Sant'Angelo RI 15 1308 20024
Antrodoco RI 15 2588 22612
Rieti RI 15 47698 70310
Colli sul Velino RI 15 533 70843
Monteleone di Spoleto PG 15 599 71442
Greccio RI 17 1558 73000
Arrone TR 17 2763 75763
Ferentillo TR 18 1913 77676
Montefranco TR 18 1276 78952
Contigliano RI 20 3783 82735
Cittareale RI 20 482 83217

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km E of Terni (111501 inhabitants)
40 Km W of L'Aquila (69753 inhabitants)
53 Km SE of Foligno (57155 inhabitants)
60 Km NE of Guidonia Montecelio (88673 inhabitants)
63 Km N of Tivoli (56533 inhabitants)
63 Km W of Teramo (54892 inhabitants)
71 Km E of Viterbo (67173 inhabitants)
80 Km NE of Roma (2864731 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
93 Km N of Velletri (53303 inhabitants)
98 Km W of Montesilvano (53738 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 2014-07-26
14:20:06		 42.5163 12.961 11 2014-10-21
12:08:56		 Sala Sismica INGV-Roma 7510371
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2014-07-26 14:20:06 ± 0.04
Latitude 42.5163 ± 0.0036
Longitude 12.9610 ± 0.0024
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 7510371

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 372
Semi-minor axis of confidence ellipse (meter) 232
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 352
Circular confidence region, given by single value of horizontal uncertainty (meter) 370.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 139
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.09
Epicentral distance of station closest to the epicenter (degree) 0.10432
Epicentral distance of station farthest from the epicenter (degree) 0.29857
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.9

Field Value
Value 0.9
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 7510371
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2014-07-26 14:24:19
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHZ. 2014-07-26T14:20:18.21 0.6 undecidable manual S 67 33.1446 50 -0.05 49
IV.FIAM.HHZ. 2014-07-26T14:20:17.65 0.6 undecidable manual S 155 30.3474 50 0.11 48
IV.RM33.EHZ. 2014-07-26T14:20:14.75 0.6 undecidable manual S 92 20.7681 117 -0.14 49
IV.ARRO.EHZ. 2014-07-26T14:20:13.76 0.3 undecidable manual S 294 17.3715 121 -0.12 74
IV.SMA1.EHZ. 2014-07-26T14:20:13.41 0.1 undecidable manual P 67 33.1446 50 -0.02 98
IV.LNSS.HHZ. 2014-07-26T14:20:12.23 0.6 undecidable manual S 34 11.5773 132 -0.01 51
IV.FIAM.HHZ. 2014-07-26T14:20:12.96 0.1 undecidable manual P 155 30.3474 50 -0.05 98
IV.RM33.EHZ. 2014-07-26T14:20:11.52 0.6 undecidable manual P 92 20.7681 117 0.03 50
IV.LNSS.HHZ. 2014-07-26T14:20:10.10 0.1 undecidable manual P 34 11.5773 132 0.14 99
IV.ARRO.EHZ. 2014-07-26T14:20:10.96 0.1 undecidable manual P 294 17.3715 121 0.06 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.FIAM.HHN. ML:0.6 0.00002135 1.54 AML other m 2014-07-26T14:20:16.26
IV.FIAM.HHE. ML:0.7 0.00002265 1.36 AML other m 2014-07-26T14:20:31.31
IV.LNSS.HHE. ML:1.1 0.0001315 1.54 AML other m 2014-07-26T14:20:12.38
IV.LNSS.HHN. ML:1.1 0.00013800000000000002 0.12 AML other m 2014-07-26T14:20:12.40
IV.RM33.EHE. ML:1.1 0.00008800000000000001 0.26 AML other m 2014-07-26T14:20:15.04
IV.RM33.EHN. ML:0.9 0.00005475000000000001 0.48 AML other m 2014-07-26T14:20:15.88
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