Earthquake with magnitude of Md 2.3 on date 22-01-1988 and time 22:32:17 (Italy) in region 3 km S Campotosto (AQ)

A magnitude Md 2.3 earthquake occured in region: 3 km S Campotosto (AQ), on

  • 22-01-1988 21:32:17 (UTC)
  • 22-01-1988 22:32:17 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.5350, 13.3780 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
Campotosto AQ 3 542 542
Capitignano AQ 6 665 1207
Crognaleto TE 9 1297 2504
Montereale AQ 11 2581 5085
Barete AQ 12 737 5822
Pizzoli AQ 13 4326 10148
Amatrice RI 13 2657 12805
Fano Adriano TE 13 296 13101
Cortino TE 15 656 13757
Pietracamela TE 15 271 14028
Cagnano Amiterno AQ 15 1369 15397

Municipalities with at least 50000 inhabitants

An earthquake occurred to
20 Km N of L'Aquila (69753 inhabitants)
30 Km W of Teramo (54892 inhabitants)
60 Km E of Terni (111501 inhabitants)
63 Km W of Montesilvano (53738 inhabitants)
68 Km W of Chieti (51815 inhabitants)
69 Km W of Pescara (121014 inhabitants)
72 Km SE of Foligno (57155 inhabitants)
79 Km NE of Tivoli (56533 inhabitants)
80 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 2.3
ML-VAX 1.7
1988-01-22
21:32:17
42.535 13.378 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 61529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-01-22 21:32:17 ± 2.033
Latitude 42.5350 ± 0.1127
Longitude 13.3780 ± 0.0980
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 61529

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) 14884.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 264
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) 0.8
Epicentral distance of station closest to the epicenter (degree) 0.00478
Epicentral distance of station farthest from the epicenter (degree) 0.00793
Number of stations at which the event was observed 3
Number of stations from which data was used for origin computation 3
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 61529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:58:35

ML:1.7

Field Value
Value 1.7
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 61529
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
--.SDI.Z. 1988-01-22T21:32:48.14 10.0 undecidable manual SG 158 0.8769 -0.12 0.7
--.CP9.Z. 1988-01-22T21:32:45.15 10.0 undecidable manual SG? 204 0.7326 1.45 0
--.MNS.Z. 1988-01-22T21:32:35.50 10.0 undecidable manual SG 253 0.5328 -1.53 0.3
--.CP9.Z. 1988-01-22T21:32:34.27 10.0 undecidable manual PG 204 0.7326 1.47 0.7
--.SDI.Z. 1988-01-22T21:32:34.47 10.0 undecidable manual PG 158 0.8769 -0.97 1.2
--.MNS.Z. 1988-01-22T21:32:29.00 10.0 undecidable manual PG 253 0.5328 0.05 2.1
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