Earthquake with magnitude of Md 1.7 on date 12-05-2010 and time 23:32:38 (Italy) in region 3 km E L'Aquila (AQ)

A magnitude Md 1.7 earthquake occured in region: 3 km E L'Aquila (AQ), on

  • 12-05-2010 21:32:38 (UTC)
  • 12-05-2010 23:32:38 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.3610, 13.4280 at 3 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
L'Aquila AQ 3 69753 69753
Fossa AQ 9 721 70474
Ocre AQ 9 1167 71641
Poggio Picenze AQ 10 1136 72777
Lucoli AQ 11 1011 73788
Sant'Eusanio Forconese AQ 11 394 74182
Tornimparte AQ 13 3187 77369
San Demetrio ne' Vestini AQ 14 1854 79223
Villa Sant'Angelo AQ 14 424 79647
Pizzoli AQ 14 4326 83973
Barisciano AQ 14 1828 85801
Scoppito AQ 14 3727 89528
Rocca di Cambio AQ 15 533 90061
Barete AQ 16 737 90798
Fagnano Alto AQ 17 418 91216
Prata d'Ansidonia AQ 17 496 91712
Santo Stefano di Sessanio AQ 18 111 91823
Rocca di Mezzo AQ 19 1526 93349
Cagnano Amiterno AQ 20 1369 94718

Municipalities with at least 50000 inhabitants

An earthquake occurred to
3 Km E of L'Aquila (69753 inhabitants)
40 Km SW of Teramo (54892 inhabitants)
61 Km W of Chieti (51815 inhabitants)
62 Km W of Montesilvano (53738 inhabitants)
66 Km W of Pescara (121014 inhabitants)
68 Km E of Terni (111501 inhabitants)
68 Km NE of Tivoli (56533 inhabitants)
70 Km NE of Guidonia Montecelio (88673 inhabitants)
89 Km SE of Foligno (57155 inhabitants)
92 Km NE of Velletri (53303 inhabitants)
94 Km NE of Roma (2864731 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 2010-05-12
21:32:38
42.361 13.428 3 2014-10-21
12:27:13
Bollettino Sismico Italiano INGV 1049489
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2010-05-12 21:32:38 ± 0.3
Latitude 42.3610 ± 0.0135
Longitude 13.4280 ± 0.0110
Depth (km) 3 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-SISPICK
Event type earthquake
Origin ID 1049489

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 1432
Semi-minor axis of confidence ellipse (meter) 825
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 14
Circular confidence region, given by single value of horizontal uncertainty (meter) 1749.3
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 220
Number of associated phases, regardless of their use for origin computation 9
Number of defining phases 8
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.36
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.14929
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 4
Magnitude information

Md:1.7

Field Value
Value 1.7
Uncertainty 0.2
Num. used stations
Type of magnitude Md
Reference to an origin 1049489
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-05 20:11:52
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.FAGN.HHE. 2010-05-12T21:32:44.19 0.3 undecidable manual Sg 129 16.5723 -0.336 69
IV.FAGN.HHE. 2010-05-12T21:32:42.64 0.3 undecidable manual Pg 129 16.5723 0.59 64
IV.T0106.EHN. 2010-05-12T21:32:41.40 0.3 undecidable manual Sg 211 6.993 0.078 74
IV.T0104.HHZ. 2010-05-12T21:32:41.53 0.3 undecidable manual Sg 269 7.3815 0.096 74
IV.T0106.EHN. 2010-05-12T21:32:40.10 0.1 undecidable manual Pg 211 6.993 -0.099 99
IV.T0104.HHZ. 2010-05-12T21:32:40.11 0.1 undecidable manual Pg 269 7.3815 -0.158 97
MN.AQU.HHZ. 2010-05-12T21:32:40.06 0.1 undecidable manual Sg 250 2.2977 0.067 100
MN.AQU.HHZ. 2010-05-12T21:32:39.32 0.1 undecidable manual Pg 250 2.2977 -0.116 99
IV.FIR.HHZ. 2010-05-12T21:32:21.73 10.0 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