Earthquake with magnitude of ML 0.6 on date 05-04-2011 and time 03:01:17 (UTC) in region 5 km S Amatrice (RI)

A magnitude ML 0.6 earthquake occured in region: 5 km S Amatrice (RI), on

  • 05-04-2011 03:01:17 (UTC)
  • 05-04-2011 05:01:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.5870, 13.2830 at 6 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
Amatrice RI 5 2657 2657
Montereale AQ 8 2581 5238
Capitignano AQ 8 665 5903
Campotosto AQ 8 542 6445
Cittareale RI 11 482 6927
Accumoli RI 12 667 7594
Borbona RI 15 617 8211
Cagnano Amiterno AQ 15 1369 9580
Barete AQ 15 737 10317
Crognaleto TE 17 1297 11614
Posta RI 17 694 12308
Pizzoli AQ 17 4326 16634
Cortino TE 19 656 17290

Municipalities with at least 50000 inhabitants

An earthquake occurred to
28 Km NW of L'Aquila (69753 inhabitants)
36 Km W of Teramo (54892 inhabitants)
52 Km E of Terni (111501 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
72 Km W of Montesilvano (53738 inhabitants)
77 Km W of Chieti (51815 inhabitants)
78 Km W of Pescara (121014 inhabitants)
80 Km NE of Guidonia Montecelio (88673 inhabitants)
80 Km NE of Tivoli (56533 inhabitants)
93 Km SE of Perugia (166134 inhabitants)
98 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
Bulletin
Rev1000
Md 1.2
ML 0.6
2011-04-05
03:01:17
42.587 13.283 6 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1192149
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2011-04-05 03:01:17 ± 0.22
Latitude 42.5870 ± 0.0081
Longitude 13.2830 ± 0.0110
Depth (km) 6 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1192149

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1066
Semi-minor axis of confidence ellipse (meter) 546
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 132
Circular confidence region, given by single value of horizontal uncertainty (meter) 1272.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 155
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.01799
Epicentral distance of station farthest from the epicenter (degree) 0.09263
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

ML:0.6

Field Value
Value 0.6
Uncertainty 0.0
Num. used stations
Type of magnitude ML
Reference to an origin 1192149
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:18:03

Md:1.2

Field Value
Value 1.2
Uncertainty 0.1
Num. used stations
Type of magnitude Md
Reference to an origin 1192149
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 23:18:03
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.RM33.EHZ. 2011-04-05T03:01:21.78 0.1 undecidable manual Sg 213 10.2786 0.147 98
IV.SMA1.EHE. 2011-04-05T03:01:20.68 0.1 undecidable manual Sg 41 6.4935 0.088 99
IV.RM29.EHZ. 2011-04-05T03:01:20.83 0.1 undecidable manual Sg 246 7.1928 0.051 100
IV.RM33.EHZ. 2011-04-05T03:01:19.74 0.1 undecidable manual Pg 213 10.2786 -0.117 98
IV.SMA1.EHE. 2011-04-05T03:01:19.20 0.1 undecidable manual Pg 41 6.4935 -0.056 100
IV.RM29.EHZ. 2011-04-05T03:01:19.23 0.1 undecidable manual Pg 246 7.1928 -0.134 98
IV.RM32.EHZ. 2011-04-05T03:01:19.57 0.1 undecidable manual Sg 156 1.998 -0.188 98
IV.RM32.EHZ. 2011-04-05T03:01:18.99 0.1 undecidable manual Pg 156 1.998 0.215 98
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