Earthquake with magnitude of Md 2.4 on date 12-05-1996 and time 04:40:46 (Italy) in region 4 km E Arquata del Tronto (AP)

A magnitude Md 2.4 earthquake occured in region: 4 km E Arquata del Tronto (AP), on

  • 12-05-1996 02:40:46 (UTC)
  • 12-05-1996 04:40:46 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.7700, 13.3510 at 5 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
Arquata del Tronto AP 4 1178 1178
Acquasanta Terme AP 5 2916 4094
Montegallo AP 8 523 4617
Accumoli RI 12 667 5284
Valle Castellana TE 13 977 6261
Roccafluvione AP 15 2010 8271
Montemonaco AP 15 604 8875
Amatrice RI 16 2657 11532
Palmiano AP 17 196 11728
Venarotta AP 17 2066 13794
Rocca Santa Maria TE 17 537 14331
Montefortino FM 19 1178 15509

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km W of Teramo (54892 inhabitants)
47 Km N of L'Aquila (69753 inhabitants)
57 Km E of Foligno (57155 inhabitants)
62 Km E of Terni (111501 inhabitants)
71 Km W of Montesilvano (53738 inhabitants)
78 Km W of Pescara (121014 inhabitants)
82 Km NW of Chieti (51815 inhabitants)
87 Km E of Perugia (166134 inhabitants)
95 Km S of Ancona (100861 inhabitants)
100 Km NE 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 2.4
ML-VAX 1.5
1996-05-12
02:40:46
42.77 13.351 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 246109
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1996-05-12 02:40:46 ± 0.134
Latitude 42.7700 ± 0.0046
Longitude 13.3510 ± 0.0148
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 246109

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) 1313.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 196
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00372
Epicentral distance of station farthest from the epicenter (degree) 0.00704
Number of stations at which the event was observed 4
Number of stations from which data was used for origin computation 4
Magnitudes information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 246109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 20:52:53

ML:1.5

Field Value
Value 1.5
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 246109
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-28 13:07:13
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.ARV.Z. 1996-05-12T02:41:15.00 10.0 undecidable manual SG 337 0.777 0.16 0.5
--.MNS.Z. 1996-05-12T02:41:09.89 10.0 undecidable manual SG 232 0.6216 0.21 0.4
--.ASS.Z. 1996-05-12T02:41:07.95 10.0 undecidable manual SG 300 0.5883 -0.55 0
--.ARV.Z. 1996-05-12T02:41:03.00 10.0 undecidable manual PG 337 0.777 0.04 1.6
--.AQU.Z. 1996-05-12T02:41:02.90 10.0 undecidable manual SG 174 0.4107 0 0.8
--.MNS.Z. 1996-05-12T02:41:00.10 10.0 undecidable manual PG 232 0.6216 0.12 1.5
--.ASS.Z. 1996-05-12T02:40:59.35 10.0 undecidable manual PG 300 0.5883 0.05 1.8
--.AQU.Z. 1996-05-12T02:40:55.91 10.0 undecidable manual PG 174 0.4107 -0.15 1.4
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