Earthquake with magnitude of Md 2.2 on date 01-11-1989 and time 03:36:42 (Italy) in region 9 km S Acquasanta Terme (AP)

A magnitude Md 2.2 earthquake occured in region: 9 km S Acquasanta Terme (AP), on

  • 01-11-1989 02:36:42 (UTC)
  • 01-11-1989 03:36:42 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.69, 13.4 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
Acquasanta Terme AP 9 2916 2916
Valle Castellana TE 10 977 3893
Amatrice RI 11 2657 6550
Rocca Santa Maria TE 11 537 7087
Cortino TE 12 656 7743
Accumoli RI 12 667 8410
Arquata del Tronto AP 13 1178 9588
Campotosto AQ 14 542 10130
Crognaleto TE 17 1297 11427
Montegallo AP 18 523 11950
Fano Adriano TE 19 296 12246
Capitignano AQ 20 665 12911

Municipalities with at least 50000 inhabitants

An earthquake occurred to
26 Km W of Teramo (54892 inhabitants)
37 Km N of L'Aquila (69753 inhabitants)
63 Km E of Terni (111501 inhabitants)
64 Km E of Foligno (57155 inhabitants)
65 Km W of Montesilvano (53738 inhabitants)
72 Km W of Pescara (121014 inhabitants)
74 Km NW of Chieti (51815 inhabitants)
94 Km NE of Guidonia Montecelio (88673 inhabitants)
94 Km NE of Tivoli (56533 inhabitants)
94 Km SE of Perugia (166134 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
Rev 1000 Md 2.2 1989-11-01
02:36:42
42.69 13.4 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 103409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-11-01 02:36:42 ± 0.166
Latitude 42.69 ± 0.01
Longitude 13.40 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 103409

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) 1514.7
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 108
Number of associated phases, regardless of their use for origin computation 10
Number of defining phases 10
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00138
Epicentral distance of station farthest from the epicenter (degree) 0.00915
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitude information

Md:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 103409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:36:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SDI.Z. 1989-11-01T02:37:17.50 10.0 undecidable manual SG 162 0.0091 -0.52 0.2
--.ASS.Z. 1989-11-01T02:37:06.50 10.0 undecidable manual SG 304 0.0059 0.15 0.7
--.MNS.Z. 1989-11-01T02:37:04.50 10.0 undecidable manual SG 240 0.0054 -0.1 0.7
--.SDI.Z. 1989-11-01T02:37:03.80 10.0 undecidable manual PG 162 0.0091 0.89 0.4
--.CM8.Z. 1989-11-01T02:37:02.58 10.0 undecidable manual SG 340 0.0049 0.11 0.7
--.ASS.Z. 1989-11-01T02:36:57.00 10.0 undecidable manual PG 304 0.0059 0.83 0.5
--.MNS.Z. 1989-11-01T02:36:55.40 10.0 negative manual PG 240 0.0054 -0.12 3.3
--.CM8.Z. 1989-11-01T02:36:53.43 10.0 undecidable manual PG 340 0.0049 -0.5 1
--.ALP.Z. 1989-11-01T02:36:48.28 10.0 undecidable manual SG 53 0.0014 -0.29 0.6
--.ALP.Z. 1989-11-01T02:36:46.10 10.0 undecidable manual PG 53 0.0014 0.1 1.9
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download