Earthquake with magnitude of Md 2.3 on date 04-02-1988 and time 10:09:21 (Italy) in region 3 km NE Montalto delle Marche (AP)

A magnitude Md 2.3 earthquake occured in region: 3 km NE Montalto delle Marche (AP), on

  • 04-02-1988 09:09:21 (UTC)
  • 04-02-1988 10:09:21 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0070, 13.6300 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
Montalto delle Marche AP 3 2122 2122
Ortezzano FM 3 774 2896
Monte Rinaldo FM 5 379 3275
Monte Vidon Combatte FM 5 433 3708
Montedinove AP 5 488 4196
Carassai AP 5 1100 5296
Cossignano AP 5 978 6274
Petritoli FM 7 2335 8609
Montottone FM 7 979 9588
Castignano AP 8 2796 12384
Montelparo FM 8 778 13162
Rotella AP 8 906 14068
Monsampietro Morico FM 9 659 14727
Offida AP 9 5058 19785
Monteleone di Fermo FM 9 395 20180
Monte Giberto FM 10 801 20981
Ponzano di Fermo FM 11 1674 22655
Santa Vittoria in Matenano FM 11 1330 23985
Ripatransone AP 11 4309 28294
Montefiore dell'Aso AP 11 2123 30417
Monterubbiano FM 11 2230 32647
Grottazzolina FM 12 3398 36045
Belmonte Piceno FM 12 646 36691
Force AP 12 1354 38045
Moresco FM 12 598 38643
Appignano del Tronto AP 12 1785 40428
Montefalcone Appennino FM 14 424 40852
Servigliano FM 14 2336 43188
Castorano AP 14 2380 45568
Massignano AP 15 1638 47206
Smerillo FM 15 365 47571
Magliano di Tenna FM 15 1452 49023
Monte San Martino MC 16 765 49788
Montegiorgio FM 16 6851 56639
Lapedona FM 16 1166 57805
Acquaviva Picena AP 17 3831 61636
Castel di Lama AP 17 8634 70270
Falerone FM 17 3337 73607
Campofilone FM 17 1916 75523
Colli del Tronto AP 17 3668 79191
Monte Vidon Corrado FM 17 731 79922
Altidona FM 18 3390 83312
Rapagnano FM 18 2145 85457
Ascoli Piceno AP 18 49407 134864
Spinetoli AP 18 7215 142079
Penna San Giovanni MC 18 1108 143187
Venarotta AP 18 2066 145253
Monsampolo del Tronto AP 18 4611 149864
Palmiano AP 18 196 150060
Comunanza AP 18 3166 153226
Fermo FM 19 37655 190881
Cupra Marittima AP 19 5398 196279
Monteprandone AP 19 12655 208934
Montappone FM 19 1682 210616
Grottammare AP 20 16006 226622
Torre San Patrizio FM 20 2048 228670
Maltignano AP 20 2401 231071

Municipalities with at least 50000 inhabitants

An earthquake occurred to
39 Km N of Teramo (54892 inhabitants)
69 Km S of Ancona (100861 inhabitants)
69 Km NW of Montesilvano (53738 inhabitants)
75 Km N of L'Aquila (69753 inhabitants)
76 Km E of Foligno (57155 inhabitants)
77 Km NW of Pescara (121014 inhabitants)
85 Km NW of Chieti (51815 inhabitants)
94 Km NE of Terni (111501 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 1.8
1988-02-04
09:09:21
43.007 13.63 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 62409
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-02-04 09:09:21 ± 0.443
Latitude 43.0070 ± 0.0121
Longitude 13.6300 ± 0.0345
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 62409

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) 3111.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 273
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) 0.1
Epicentral distance of station closest to the epicenter (degree) 0.00623
Epicentral distance of station farthest from the epicenter (degree) 0.00834
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 62409
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:59:19

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 1
Type of magnitude ML
Reference to an origin 62409
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. 1988-02-04T09:09:53.72 10.0 undecidable manual SG 228 0.9213 0.4 0.1
--.ASS.Z. 1988-02-04T09:09:46.10 10.0 undecidable manual SG 274 0.7104 -0.23 0.3
--.ARV.Z. 1988-02-04T09:09:46.33 10.0 undecidable manual SG 314 0.6882 0.49 0
--.MNS.Z. 1988-02-04T09:09:39.83 10.0 undecidable manual PG 228 0.9213 -0.01 1.5
--.ARV.Z. 1988-02-04T09:09:35.43 10.0 undecidable manual PG 314 0.6882 -0.09 1.5
--.ASS.Z. 1988-02-04T09:09:35.66 10.0 positive manual PG 274 0.7104 -0.14 2.6
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