Earthquake with magnitude of Md 2.5 on date 18-02-1986 and time 15:38:30 (Italy) in region 2 km S Gamberale (CH)

A magnitude Md 2.5 earthquake occured in region: 2 km S Gamberale (CH), on

  • 18-02-1986 14:38:30 (UTC)
  • 18-02-1986 15:38:30 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.8890, 14.2140 at 17 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
Gamberale CH 2 320 320
Sant'Angelo del Pesco IS 4 364 684
Ateleta AQ 4 1181 1865
Castel del Giudice IS 4 346 2211
Pizzoferrato CH 4 1130 3341
Pescopennataro IS 7 285 3626
Capracotta IS 7 903 4529
Quadri CH 8 815 5344
Borrello CH 8 354 5698
Civitaluparella CH 10 351 6049
Montenerodomo CH 10 690 6739
Fallo CH 11 139 6878
San Pietro Avellana IS 11 503 7381
Rosello CH 11 237 7618
Roccaraso AQ 12 1627 9245
Pescocostanzo AQ 12 1128 10373
Rivisondoli AQ 12 700 11073
Palena CH 12 1392 12465
Colledimacine CH 13 202 12667
Vastogirardi IS 13 704 13371
Villa Santa Maria CH 13 1346 14717
Montelapiano CH 13 82 14799
Roio del Sangro CH 14 103 14902
Lettopalena CH 14 358 15260
Castel di Sangro AQ 14 6538 21798
Montebello sul Sangro CH 14 88 21886
Taranta Peligna CH 15 376 22262
Torricella Peligna CH 15 1353 23615
Agnone IS 16 5139 28754
Pennadomo CH 16 277 29031
Pietraferrazzana CH 16 134 29165
Monteferrante CH 16 129 29294
Lama dei Peligni CH 17 1271 30565
Colledimezzo CH 18 505 31070
Belmonte del Sannio IS 19 768 31838
Montazzoli CH 19 971 32809
Gessopalena CH 19 1433 34242
Campo di Giove AQ 20 803 35045
Castiglione Messer Marino CH 20 1790 36835

Municipalities with at least 50000 inhabitants

An earthquake occurred to
52 Km S of Chieti (51815 inhabitants)
64 Km S of Pescara (121014 inhabitants)
70 Km S of Montesilvano (53738 inhabitants)
85 Km SE of L'Aquila (69753 inhabitants)
91 Km N of Caserta (76326 inhabitants)
95 Km SE of Teramo (54892 inhabitants)
97 Km NW of Benevento (60091 inhabitants)
99 Km W of San Severo (53905 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 2.5 1986-02-18
14:38:30
41.889 14.214 17 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 22859
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1986-02-18 14:38:30 ± 0.2
Latitude 41.8890 ± 0.0161
Longitude 14.2140 ± 0.0191
Depth (km) 17 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 22859

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) 2386.9
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 193
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) 0.3
Epicentral distance of station closest to the epicenter (degree) 0.00259
Epicentral distance of station farthest from the epicenter (degree) 0.01400
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:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 22859
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:24:59
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.SGO.Z. 1986-02-18T14:38:57.00 10.0 undecidable manual PN 148 1.554 -0.07 1.2
--.AQU.Z. 1986-02-18T14:38:45.50 10.0 undecidable manual PG 308 0.7548 -0.17 1.7
--.SD1.Z. 1986-02-18T14:38:43.50 10.0 undecidable manual SG 239 0.3441 -0.38 0.4
--.DUI.Z. 1986-02-18T14:38:41.50 10.0 undecidable manual SG 141 0.2886 -0.63 0.1
--.SD1.Z. 1986-02-18T14:38:38.50 10.0 undecidable manual PG 239 0.3441 0.32 1.3
--.DUI.Z. 1986-02-18T14:38:37.50 10.0 undecidable manual PG 141 0.2886 0.33 1.3
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download