Earthquake with magnitude of Md 2.2 on date 26-03-1997 and time 01:02:03 (Italy) in region 1 km NW Sant'Eusanio Forconese (AQ)

A magnitude Md 2.2 earthquake occured in region: 1 km NW Sant'Eusanio Forconese (AQ), on

  • 26-03-1997 00:02:03 (UTC)
  • 26-03-1997 01:02:03 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.3000, 13.5150 at 10 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
Sant'Eusanio Forconese AQ 1 394 394
Fossa AQ 2 721 1115
Poggio Picenze AQ 3 1136 2251
Villa Sant'Angelo AQ 4 424 2675
Ocre AQ 4 1167 3842
San Demetrio ne' Vestini AQ 4 1854 5696
Barisciano AQ 7 1828 7524
Fagnano Alto AQ 7 418 7942
Rocca di Cambio AQ 7 533 8475
Prata d'Ansidonia AQ 8 496 8971
Rocca di Mezzo AQ 10 1526 10497
Fontecchio AQ 11 369 10866
L'Aquila AQ 11 69753 80619
San Pio delle Camere AQ 12 661 81280
Santo Stefano di Sessanio AQ 12 111 81391
Carapelle Calvisio AQ 14 87 81478
Caporciano AQ 14 230 81708
Castelvecchio Calvisio AQ 14 153 81861
Lucoli AQ 15 1011 82872
Tione degli Abruzzi AQ 15 310 83182
Calascio AQ 15 137 83319
Tornimparte AQ 18 3187 86506
Ovindoli AQ 19 1227 87733
Castel del Monte AQ 19 413 88146
Navelli AQ 19 554 88700

Municipalities with at least 50000 inhabitants

An earthquake occurred to
11 Km SE of L'Aquila (69753 inhabitants)
43 Km SW of Teramo (54892 inhabitants)
54 Km W of Chieti (51815 inhabitants)
57 Km W of Montesilvano (53738 inhabitants)
60 Km W of Pescara (121014 inhabitants)
70 Km NE of Tivoli (56533 inhabitants)
73 Km E of Guidonia Montecelio (88673 inhabitants)
77 Km E of Terni (111501 inhabitants)
91 Km NE of Velletri (53303 inhabitants)
96 Km E of Roma (2864731 inhabitants)
99 Km SE of Foligno (57155 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 2.2 1997-03-26
00:02:03
42.3 13.515 10 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 263969
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1997-03-26 00:02:03 ± 0.75
Latitude 42.3000 ± 0.0350
Longitude 13.5150 ± 0.0525
Depth (km) 10 ± 10 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 263969

Uncertainty

Field Value
Preferred uncertainty description horizontal uncertainty
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) 5813.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 216
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) 0.5
Epicentral distance of station closest to the epicenter (degree) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.00567
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 263969
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 21:09:40
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SDI.Z. 1997-03-26T00:02:26.33 10.0 undecidable manual SG 159 0.6327 0.47 0.5
--.MNS.Z. 1997-03-26T00:02:24.30 10.0 undecidable manual SG 278 0.6216 -1.56 0.1
--.MNS.Z. 1997-03-26T00:02:17.34 10.0 undecidable manual PG 278 0.6216 0.99 0.6
--.SDI.Z. 1997-03-26T00:02:16.30 10.0 undecidable manual PG 159 0.6327 -0.47 1.4
--.PQ9.Z. 1997-03-26T00:02:15.34 10.0 undecidable manual SG 196 0.2886 0.37 0.8
--.AQU.Z. 1997-03-26T00:02:09.11 10.0 undecidable manual SG 302 0.0999 0.2 0.8
--.PQ9.Z. 1997-03-26T00:02:09.88 10.0 undecidable manual PG 196 0.2886 -0.34 2
--.AQU.Z. 1997-03-26T00:02:06.32 10.0 undecidable manual PG 302 0.0999 -0.4 1.9
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