Earthquake with magnitude of ML 1.3 on date 16-04-2010 and time 03:55:16 (Italy) in region 3 km E Sellano (PG)

A magnitude ML 1.3 earthquake occured in region: 3 km E Sellano (PG), on

  • 16-04-2010 01:55:16 (UTC)
  • 16-04-2010 03:55:16 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.8840, 12.9680 at 9 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
Sellano PG 3 1079 1079
Preci PG 6 724 1803
Cerreto di Spoleto PG 8 1075 2878
Visso MC 11 1107 3985
Monte Cavallo MC 13 145 4130
Norcia PG 14 4957 9087
Castelsantangelo sul Nera MC 15 281 9368
Vallo di Nera PG 15 364 9732
Ussita MC 16 444 10176
Campello sul Clitunno PG 17 2442 12618
Trevi PG 18 8469 21087
Cascia PG 19 3217 24304
Poggiodomo PG 19 117 24421
Pieve Torina MC 19 1458 25879
Fiordimonte MC 20 202 26081
Sant'Anatolia di Narco PG 20 564 26645

Municipalities with at least 50000 inhabitants

An earthquake occurred to
23 Km E of Foligno (57155 inhabitants)
44 Km NE of Terni (111501 inhabitants)
53 Km E of Perugia (166134 inhabitants)
65 Km W of Teramo (54892 inhabitants)
69 Km NW of L'Aquila (69753 inhabitants)
88 Km NE of Viterbo (67173 inhabitants)
93 Km SW of Ancona (100861 inhabitants)
100 Km N of Guidonia Montecelio (88673 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
Md 1.7
ML 1.3
2010-04-16
01:55:16
42.884 12.968 9 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1032179
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-04-16 01:55:16 ± 0.21
Latitude 42.8840 ± 0.0045
Longitude 12.9680 ± 0.0135
Depth (km) 9 ± 0 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1032179

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1094
Semi-minor axis of confidence ellipse (meter) 328
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 257
Circular confidence region, given by single value of horizontal uncertainty (meter) 1208.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 275
Number of associated phases, regardless of their use for origin computation 6
Number of defining phases 6
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.11871
Epicentral distance of station farthest from the epicenter (degree) 0.32196
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations
Type of magnitude ML
Reference to an origin 1032179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:50:12

Md:1.7

Field Value
Value 1.7
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1032179
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 19:50:12
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.GUMA.HHE. 2010-04-16T01:55:28.95 0.1 undecidable manual Sg 56 35.742 0.078 96
IV.GUMA.HHE. 2010-04-16T01:55:23.43 0.1 undecidable manual Pg 56 35.742 -0.137 94
IV.FDMO.HHE. 2010-04-16T01:55:23.67 0.1 undecidable manual Sg 30 19.4694 -0.029 99
IV.NRCA.HHZ. 2010-04-16T01:55:21.73 0.1 undecidable manual Sg 115 13.1757 -0.046 100
IV.FDMO.HHE. 2010-04-16T01:55:20.63 0.1 undecidable manual Pg 30 19.4694 0.05 99
IV.NRCA.HHZ. 2010-04-16T01:55:19.55 0.1 undecidable manual Pg 115 13.1757 0.08 99
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