A magnitude ML 0.4 earthquake occured in region: 1 km W L'Aquila (AQ), on
and geographic coordinates (lat, lon) 42.3550, 13.3870 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.
Municipality | Region | Distance (km) | Inhabitants | Cumulative Inhabitants |
---|---|---|---|---|
L'Aquila | AQ | 1 | 69753 | 69753 |
Lucoli | AQ | 8 | 1011 | 70764 |
Tornimparte | AQ | 10 | 3187 | 73951 |
Ocre | AQ | 11 | 1167 | 75118 |
Fossa | AQ | 11 | 721 | 75839 |
Scoppito | AQ | 11 | 3727 | 79566 |
Pizzoli | AQ | 12 | 4326 | 83892 |
Poggio Picenze | AQ | 13 | 1136 | 85028 |
Sant'Eusanio Forconese | AQ | 14 | 394 | 85422 |
Barete | AQ | 14 | 737 | 86159 |
Rocca di Cambio | AQ | 16 | 533 | 86692 |
Villa Sant'Angelo | AQ | 16 | 424 | 87116 |
San Demetrio ne' Vestini | AQ | 16 | 1854 | 88970 |
Barisciano | AQ | 17 | 1828 | 90798 |
Cagnano Amiterno | AQ | 18 | 1369 | 92167 |
Fagnano Alto | AQ | 19 | 418 | 92585 |
Rocca di Mezzo | AQ | 20 | 1526 | 94111 |
Capitignano | AQ | 20 | 665 | 94776 |
Prata d'Ansidonia | AQ | 20 | 496 | 95272 |
Type | Magnitude | Date and Time (UTC) | Latitude | Longitude | Depth (km) | Published time (UTC) | Author | Location ID |
---|---|---|---|---|---|---|---|---|
Bulletin Rev1000 |
Md 1.5
ML 0.4 |
2009-05-04 21:54:54 |
42.355 | 13.387 | 9 | 2014-10-21 12:27:13 |
Bollettino Sismico Italiano INGV | 850229 |
Field | Value |
---|---|
Time (UTC) | 2009-05-04 21:54:54 ± 0.19 |
Latitude | 42.3550 ± 0.0054 |
Longitude | 13.3870 ± 0.0085 |
Depth (km) | 9 ± 1 (from location) |
Evaluation mode of Origin | manual |
Evaluation status of Origin | reviewed |
Version | 1000 -> BULLETIN-SISPICK |
Event type | earthquake |
Origin ID | 850229 |
Field | Value |
---|---|
Preferred uncertainty description | uncertainty ellipse |
Semi-major axis of confidence ellipse (meter) | 745 |
Semi-minor axis of confidence ellipse (meter) | 528 |
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) | 277 |
Circular confidence region, given by single value of horizontal uncertainty (meter) | 922.0 |
Confidence level of the uncertainty (%) | 68 |
Field | Value |
---|---|
Largest azimuthal gap in station distribution as seen from epicenter (degree) | 180 |
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) | 0.13 |
Epicentral distance of station closest to the epicenter (degree) | 0.01169 |
Epicentral distance of station farthest from the epicenter (degree) | 0.18076 |
Number of stations at which the event was observed | 3 |
Number of stations from which data was used for origin computation | 3 |
Field | Value |
---|---|
Value | 0.4 |
Uncertainty | 0.0 |
Num. used stations | |
Type of magnitude | ML |
Reference to an origin | 850229 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 16:07:54 |
Field | Value |
---|---|
Value | 1.5 |
Uncertainty | 0.1 |
Num. used stations | |
Type of magnitude | Md |
Reference to an origin | 850229 |
Agency | INGV |
Autore | Bollettino Sismico Italiano INGV |
Time of creation (UTC) | 2013-01-05 16:07:54 |
SCNL | Time | Uncertainty | Polarity | Evaluation_mode | Phase | Azimuth | Distance(km) | Takeoff_angle | Residual | Weight |
---|---|---|---|---|---|---|---|---|---|---|
IV.CAMP.HHN. | 2009-05-04T21:55:02.22 | 0.3 | undecidable | manual | Sg | 5 | 20.0688 | 0.093 | 72 | |
IV.CAMP.HHN. | 2009-05-04T21:54:58.79 | 0.1 | undecidable | manual | Pg | 5 | 20.0688 | -0.121 | 95 | |
MN.AQU.HHE. | 2009-05-04T21:54:57.55 | 0.1 | undecidable | manual | Sg | 97 | 1.2987 | -0.033 | 100 | |
IV.T0104.EHZ. | 2009-05-04T21:54:57.82 | 0.1 | undecidable | manual | Sg | 277 | 3.996 | -0.033 | 100 | |
MN.AQU.HHE. | 2009-05-04T21:54:56.34 | 0.1 | undecidable | manual | Pg | 97 | 1.2987 | 0.059 | 99 | |
IV.T0104.EHZ. | 2009-05-04T21:54:56.50 | 0.1 | undecidable | manual | Pg | 277 | 3.996 | 0.057 | 99 |