Earthquake with magnitude of M 0.1 on date 31-05-2011 and time 01:28:11 (Italy) in region 6 km SE Cascia (PG)

A magnitude M 0.1 earthquake occured in region: 6 km SE Cascia (PG), on

  • 30-05-2011 23:28:11 (UTC)
  • 31-05-2011 01:28:11 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.6700, 13.0400 at 10 km depth.

The earthquake was located by: Fonte esterna non nota.

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
Cascia PG 6 3217 3217
Monteleone di Spoleto PG 7 599 3816
Poggiodomo PG 10 117 3933
Cittareale RI 11 482 4415
Leonessa RI 13 2435 6850
Norcia PG 14 4957 11807
Posta RI 17 694 12501
Accumoli RI 17 667 13168
Scheggino PG 18 461 13629
Sant'Anatolia di Narco PG 18 564 14193
Vallo di Nera PG 18 364 14557
Polino TR 19 233 14790
Borbona RI 19 617 15407
Cerreto di Spoleto PG 20 1075 16482

Municipalities with at least 50000 inhabitants

An earthquake occurred to
34 Km E of Terni (111501 inhabitants)
42 Km SE of Foligno (57155 inhabitants)
46 Km NW of L'Aquila (69753 inhabitants)
54 Km W of Teramo (54892 inhabitants)
72 Km SE of Perugia (166134 inhabitants)
79 Km NE of Guidonia Montecelio (88673 inhabitants)
81 Km N of Tivoli (56533 inhabitants)
82 Km E of Viterbo (67173 inhabitants)
93 Km W of Montesilvano (53738 inhabitants)
98 Km NE of Roma (2864731 inhabitants)
99 Km W of Pescara (121014 inhabitants)
99 Km W of Chieti (51815 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
M 0.1 2011-05-30
23:28:11
42.67 13.04 10 2014-10-15
07:39:12
Fonte esterna non nota 1224369
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-05-30 23:28:11
Latitude 42.6700
Longitude 13.0400
Depth (km) 10 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> UNKNOWN
Event type earthquake
Origin ID 1224369

Uncertainty

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

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 4
RMS of the travel time residuals of the arrivals used for the origin computation (sec)
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.00000
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 2
Magnitude information

M:0.1

Field Value
Value 0.1
Uncertainty
Num. used stations
Type of magnitude M
Reference to an origin 1224369
Agency INGV
Autore Fonte esterna non nota
Time of creation (UTC) 2014-10-15 07:39:24
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FIR.HHN. 2011-05-30T23:29:00.03 10.0 undecidable manual Pg 0 0 0
IV.MA9.HHZ. 2011-05-30T23:28:28.22 10.0 undecidable manual Pg 0 0 0
IV.PIEI.HHE. 2011-05-30T23:28:14.48 0.1 undecidable manual Sg 0 0 0
IV.PIEI.HHE. 2011-05-30T23:28:11.45 0.1 undecidable manual Pg 0 0 0
IV.ATVO.HHE. 2011-05-30T23:28:11.38 0.1 undecidable manual Sg 0 0 0
IV.ATVO.HHE. 2011-05-30T23:28:09.82 0.1 undecidable manual Pg 0 0 0
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