Earthquake with magnitude of Md 2.3 on date 20-02-1998 and time 01:24:58 (Italy) in region 3 km W Palena (CH)

A magnitude Md 2.3 earthquake occured in region: 3 km W Palena (CH), on

  • 20-02-1998 00:24:58 (UTC)
  • 20-02-1998 01:24:58 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.9970, 14.1050 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
Palena CH 3 1392 1392
Lettopalena CH 5 358 1750
Campo di Giove AQ 5 803 2553
Taranta Peligna CH 6 376 2929
Cansano AQ 8 274 3203
Colledimacine CH 8 202 3405
Lama dei Peligni CH 9 1271 4676
Pacentro AQ 11 1174 5850
Pettorano sul Gizio AQ 12 1376 7226
Pescocostanzo AQ 12 1128 8354
Montenerodomo CH 12 690 9044
Rocca Pia AQ 13 178 9222
Gamberale CH 13 320 9542
Torricella Peligna CH 13 1353 10895
Fara San Martino CH 13 1414 12309
Pizzoferrato CH 14 1130 13439
Civitella Messer Raimondo CH 14 848 14287
Rivisondoli AQ 14 700 14987
Gessopalena CH 16 1433 16420
Sant'Eufemia a Maiella PE 16 278 16698
Sulmona AQ 16 24557 41255
Roccaraso AQ 17 1627 42882
Introdacqua AQ 17 2126 45008
Quadri CH 17 815 45823
Civitaluparella CH 17 351 46174
Ateleta AQ 18 1181 47355
Palombaro CH 18 1026 48381
Sant'Angelo del Pesco IS 18 364 48745
Pennadomo CH 18 277 49022
Montebello sul Sangro CH 18 88 49110
Roccascalegna CH 18 1219 50329
Borrello CH 19 354 50683
Castel del Giudice IS 19 346 51029
Pennapiedimonte CH 19 476 51505
Fallo CH 19 139 51644
Caramanico Terme PE 20 1929 53573

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km S of Chieti (51815 inhabitants)
53 Km S of Pescara (121014 inhabitants)
58 Km S of Montesilvano (53738 inhabitants)
70 Km SE of L'Aquila (69753 inhabitants)
81 Km SE of Teramo (54892 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 2.3
1998-02-20
00:24:58
41.997 14.105 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 323509
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1998-02-20 00:24:58 ± 0.412
Latitude 41.9970 ± 0.0203
Longitude 14.1050 ± 0.0255
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 323509

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) 3084.8
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 206
Number of associated phases, regardless of their use for origin computation 12
Number of defining phases 12
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) 0.00275
Epicentral distance of station farthest from the epicenter (degree) 0.01004
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitudes information

Md:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 5
Type of magnitude Md
Reference to an origin 323509
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 22:03:18

ML:2.3

Field Value
Value 2.3
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 323509
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
--.MNS.Z. 1998-02-20T00:25:20.19 10.0 undecidable manual PN 290 1.11 -0.86 0.6
--.PLI2.Z. 1998-02-20T00:25:17.85 10.0 undecidable manual SG 184 0.4551 1.21 0.2
--.CPI2.Z. 1998-02-20T00:25:16.26 10.0 undecidable manual SG 158 0.444 0.44 0.6
--.MAB1.Z. 1998-02-20T00:25:16.23 10.0 undecidable manual PG 158 0.7881 1.09 0.5
--.AQU.Z. 1998-02-20T00:25:13.26 10.0 undecidable manual PG 304 0.6327 1.12 0.5
--.SDI.Z. 1998-02-20T00:25:12.92 10.0 undecidable manual SG 217 0.3552 0.1 0.8
--.CRVI.Z. 1998-02-20T00:25:10.97 10.0 undecidable manual SG 151 0.3108 0.06 0.8
--.PQ9.Z. 1998-02-20T00:25:09.99 10.0 undecidable manual PG 273 0.5217 -0.16 1.9
--.PLI2.Z. 1998-02-20T00:25:08.57 10.0 undecidable manual PG 184 0.4551 -0.52 1.5
--.CPI2.Z. 1998-02-20T00:25:07.66 10.0 undecidable manual PG 158 0.444 -0.96 0.8
--.SDI.Z. 1998-02-20T00:25:06.67 10.0 undecidable manual PG 217 0.3552 -0.22 1.9
--.CRVI.Z. 1998-02-20T00:25:05.59 10.0 undecidable manual PG 151 0.3108 -0.2 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