Earthquake with magnitude of ML 0.4 on date 22-07-2016 and time 06:51:02 (Italy) in region 7 km N Posta (RI)

A magnitude ML 0.4 earthquake occured in region: 7 km N Posta (RI), on

  • 22-07-2016 04:51:02 (UTC)
  • 22-07-2016 06:51:02 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5850, 13.0770 at 10 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

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
Posta RI 7 694 694
Cittareale RI 8 482 1176
Borbona RI 9 617 1793
Leonessa RI 10 2435 4228
Monteleone di Spoleto PG 13 599 4827
Micigliano RI 15 127 4954
Montereale AQ 15 2581 7535
Cascia PG 16 3217 10752
Poggio Bustone RI 18 2055 12807
Amatrice RI 18 2657 15464
Poggiodomo PG 18 117 15581
Cagnano Amiterno AQ 19 1369 16950
Antrodoco RI 19 2588 19538
Accumoli RI 19 667 20205
Polino TR 19 233 20438
Cantalice RI 19 2755 23193
Rivodutri RI 20 1253 24446
Capitignano AQ 20 665 25111
Borgo Velino RI 20 972 26083

Municipalities with at least 50000 inhabitants

An earthquake occurred to
35 Km E of Terni (111501 inhabitants)
37 Km NW of L'Aquila (69753 inhabitants)
51 Km SE of Foligno (57155 inhabitants)
52 Km W of Teramo (54892 inhabitants)
71 Km NE of Guidonia Montecelio (88673 inhabitants)
73 Km NE of Tivoli (56533 inhabitants)
81 Km SE of Perugia (166134 inhabitants)
82 Km E of Viterbo (67173 inhabitants)
88 Km W of Montesilvano (53738 inhabitants)
91 Km NE of Roma (2864731 inhabitants)
93 Km W of Chieti (51815 inhabitants)
94 Km W of Pescara (121014 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
Bulletin
Rev1000
ML 0.4 2016-07-22
04:51:02
42.5853 13.0767 10 2016-11-08
11:51:05
Bollettino Sismico Italiano INGV 30357561
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2016-07-22 04:51:02 ± 0.13
Latitude 42.5853 ± 0.0099
Longitude 13.0767 ± 0.0086
Depth (km) 10 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 30357561

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1102
Semi-minor axis of confidence ellipse (meter) 673
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 200
Circular confidence region, given by single value of horizontal uncertainty (meter) 1100.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 176
Number of associated phases, regardless of their use for origin computation 27
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.18
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.38941
Number of stations at which the event was observed 22
Number of stations from which data was used for origin computation 5
Magnitude information

ML:0.4

Field Value
Value 0.4
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 30357561
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2016-10-19 08:06:39
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
CR.ZAG.BHZ. 2016-07-22T04:52:50.99 3.0 undecidable manual Sn 2.58 0
ST.DOSS.HHZ. 2016-07-22T04:52:48.99 3.0 undecidable manual Sn -2.52 0
AC.SRN.HHZ. 2016-07-22T04:52:39.45 3.0 undecidable manual Pg 23.75 0
IV.MONC.HHZ. 2016-07-22T04:52:26.29 3.0 negative manual Pg 12.23 0
IV.BRMO.HHZ. 2016-07-22T04:52:22.02 3.0 undecidable manual Pg 10.29 0
CR.BRJN.HHZ. 2016-07-22T04:52:16.99 3.0 undecidable manual Sn -0.41 0
IV.SCHR.EHZ. 2016-07-22T04:52:11.99 3.0 undecidable manual Sn -1.72 0
IV.EUCT.HNZ. 2016-07-22T04:52:08.69 3.0 positive manual Pn 2.97 0
GU.RNCA.HHZ. 2016-07-22T04:51:58.74 3.0 negative manual Pn -2.41 0
IV.SOLUN.HHZ. 2016-07-22T04:51:54.04 3.0 undecidable manual Pn -4.79 0
IV.PARC.HHZ. 2016-07-22T04:51:54.99 3.0 undecidable manual Sg 0.04 0
IV.IFIL.HHZ. 2016-07-22T04:51:51.04 3.0 positive manual Pn -2.1 0
IV.ARVD.HHZ. 2016-07-22T04:51:24.40 3.0 positive manual Pg 0.47 0
IV.FOSV.EHZ. 2016-07-22T04:51:23.39 3.0 positive manual P 1.12 0
IV.TERO.HHN. 2016-07-22T04:51:16.57 0.6 undecidable manual S 84 43.2234 50 -0.24 46
IV.VAGA.HHZ. 2016-07-22T04:51:13.29 3.0 positive manual P 0.05 0
IV.CAMP.HHE. 2016-07-22T04:51:12.67 0.6 undecidable manual S 101 27.75 50 0.01 50
IV.TERO.HHN. 2016-07-22T04:51:10.74 0.3 undecidable manual P 84 43.2234 50 -0.09 71
IV.SMA1.EHZ. 2016-07-22T04:51:10.99 0.6 undecidable manual S 77 21.6672 116 -0.03 50
IV.RM33.EHZ. 2016-07-22T04:51:08.54 0.6 undecidable manual S 127 14.0748 126 -0.2 49
IV.CAMP.HHE. 2016-07-22T04:51:08.44 0.1 undecidable manual P 101 27.75 50 0 99
IV.SMA1.EHZ. 2016-07-22T04:51:07.69 0.1 undecidable manual P 77 21.6672 116 0.21 96
IV.RM33.EHZ. 2016-07-22T04:51:06.30 0.1 undecidable manual P 127 14.0748 126 0.13 99
IV.LATB.EHZ. 2016-07-22T04:51:06.89 3.0 positive manual P -7.11 0
IV.LNSS.HHZ. 2016-07-22T04:51:06.17 0.3 undecidable manual S 303 3.4965 161 -0.31 73
IV.LNSS.HHZ. 2016-07-22T04:51:05.04 0.1 undecidable manual P 303 3.4965 161 0.17 100
IV.VVLD.HHZ. 2016-07-22T04:51:02.57 3.0 negative manual P 0.06 0
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.RM33.EHE. ML:0.3 0.00001815 1.54 AML other m 2016-07-22T04:51:08.97
IV.RM33.EHN. ML:0.4 0.0000227 0.96 AML other m 2016-07-22T04:51:09.26
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