Earthquake with magnitude of Md 2.1 on date 15-01-1988 and time 15:54:56 (UTC) in region 4 km SW Serra San Quirico (AN)

A magnitude Md 2.1 earthquake occured in region: 4 km SW Serra San Quirico (AN), on

  • 15-01-1988 15:54:56 (UTC)
  • 15-01-1988 16:54:56 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.425, 12.985 at 4 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
Serra San Quirico AN 4 2850 2850
Genga AN 4 1797 4647
Mergo AN 7 1037 5684
Arcevia AN 9 4612 10296
Poggio San Vicino MC 9 246 10542
Rosora AN 10 1985 12527
Sassoferrato AN 10 7285 19812
Cupramontana AN 11 4756 24568
Castelplanio AN 11 3540 28108
Cerreto d'Esi AN 12 3817 31925
Fabriano AN 12 31480 63405
Poggio San Marcello AN 12 693 64098
Apiro MC 12 2280 66378
Maiolati Spontini AN 12 6248 72626
Montecarotto AN 13 1987 74613
Serra de' Conti AN 14 3746 78359
Monte Roberto AN 14 3061 81420
Castelbellino AN 15 4947 86367
San Paolo di Jesi AN 16 933 87300
Staffolo AN 16 2253 89553
Barbara AN 18 1368 90921
Matelica MC 19 9981 100902
Serra Sant'Abbondio PU 19 1027 101929
Esanatoglia MC 19 2034 103963
Pergola PU 20 6333 110296
Cingoli MC 20 10352 120648

Municipalities with at least 50000 inhabitants

An earthquake occurred to
47 Km S of Fano (60888 inhabitants)
48 Km W of Ancona (100861 inhabitants)
54 Km S of Pesaro (94582 inhabitants)
57 Km NE of Foligno (57155 inhabitants)
60 Km NE of Perugia (166134 inhabitants)
78 Km SE of Rimini (147750 inhabitants)
89 Km E of Arezzo (99543 inhabitants)
99 Km SE of Cesena (96758 inhabitants)
100 Km N 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 2.1 1988-01-15
15:54:56
43.425 12.985 4 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 61059
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-01-15 15:54:56 ± 0.181
Latitude 43.4250 ± 0.0102
Longitude 12.9850 ± 0.0180
Depth (km) 4 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 61059

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) 1844.5
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 124
Number of associated phases, regardless of their use for origin computation 11
Number of defining phases 11
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) 0.00065
Epicentral distance of station farthest from the epicenter (degree) 0.00955
Number of stations at which the event was observed 6
Number of stations from which data was used for origin computation 6
Magnitude information

Md:2.1

Field Value
Value 2.1
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 61059
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 17:58:11
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.MNS.Z. 1988-01-15T15:55:34.00 10.0 undecidable manual SG 192 0.0096 0.36 0.3
--.MNS.Z. 1988-01-15T15:55:18.00 10.0 undecidable manual PG 192 0.0096 0.07 1.2
--.AM8.Z. 1988-01-15T15:55:15.25 10.0 undecidable manual SG 74 0.0041 0.84 0.1
--.ASS.Z. 1988-01-15T15:55:14.00 10.0 undecidable manual SG 213 0.0039 0.68 0.2
--.ALP.Z. 1988-01-15T15:55:12.50 10.0 undecidable manual PG 146 0.0069 -0.04 1.4
--.AM8.Z. 1988-01-15T15:55:06.19 10.0 undecidable manual PG 74 0.0041 -0.64 0.6
--.CM8.Z. 1988-01-15T15:55:06.99 10.0 undecidable manual SG 153 0.0023 0.48 0.6
--.ASS.Z. 1988-01-15T15:55:05.80 10.0 undecidable manual PG 213 0.0039 -0.4 1.2
--.CM8.Z. 1988-01-15T15:55:02.70 10.0 undecidable manual PG 153 0.0023 -0.2 3.3
--.ARV.Z. 1988-01-15T15:55:00.50 10.0 undecidable manual SG 338 0.0006 0.64 0.2
--.ARV.Z. 1988-01-15T15:54:58.40 10.0 undecidable manual PG 338 0.0006 -0.04 1.9
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
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