Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.4 on date 03-12-1988 and time 19:32:04 (Italy) in region 1 km S Serravalle di Chienti (MC)

A magnitude Md 2.4 earthquake occured in region: 1 km S Serravalle di Chienti (MC), on

  • 03-12-1988 18:32:04 (UTC)
  • 03-12-1988 19:32:04 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.0660, 12.9540 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Serravalle di Chienti MC 1 1070 1070
Muccia MC 8 915 1985
Pieve Torina MC 8 1458 3443
Monte Cavallo MC 9 145 3588
Sefro MC 9 422 4010
Pievebovigliana MC 11 866 4876
Fiordimonte MC 12 202 5078
Camerino MC 12 6974 12052
Pioraco MC 13 1134 13186
Fiuminata MC 14 1402 14588
Nocera Umbra PG 14 5839 20427
Valtopina PG 16 1398 21825
Fiastra MC 17 559 22384
Castelraimondo MC 18 4587 26971
Acquacanina MC 18 121 27092
Visso MC 19 1107 28199
Sellano PG 20 1079 29278

Municipalities with at least 50000 inhabitants

An earthquake occurred to
24 Km NE of Foligno (57155 inhabitants)
46 Km E of Perugia (166134 inhabitants)
61 Km NE of Terni (111501 inhabitants)
76 Km NW of Teramo (54892 inhabitants)
77 Km SW of Ancona (100861 inhabitants)
87 Km S of Fano (60888 inhabitants)
87 Km NW of L'Aquila (69753 inhabitants)
94 Km S of Pesaro (94582 inhabitants)
98 Km E of Arezzo (99543 inhabitants)
100 Km NE of Viterbo (67173 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 2.4
ML-VAX 1.8 		1988-12-03
18:32:04		 43.066 12.954 10 2013-07-15
08:41:04		 Bollettino Sismico Italiano INGV 82529
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-12-03 18:32:04 ± 0.144
Latitude 43.0660 ± 0.0087
Longitude 12.9540 ± 0.0111
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 82529

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) 1327.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 89
Number of associated phases, regardless of their use for origin computation 16
Number of defining phases 16
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) 0.00170
Epicentral distance of station farthest from the epicenter (degree) 0.00631
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 82529
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:17:33

ML:1.8

Field Value
Value 1.8
Uncertainty
Num. used stations 2
Type of magnitude ML
Reference to an origin 82529
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
--.AOI.Z. 1988-12-03T18:32:29.60 10.0 undecidable manual SG 44 0.666 1.25 0
--.MNS.Z. 1988-12-03T18:32:29.65 10.0 undecidable manual SG 196 0.6993 0.15 0.4
--.ALP.Z. 1988-12-03T18:32:24.20 10.0 undecidable manual SG 122 0.5328 0.41 0.6
--.ARV.Z. 1988-12-03T18:32:20.80 10.0 undecidable manual SG 359 0.4329 0.2 0.6
--.MNS.Z. 1988-12-03T18:32:19.15 10.0 undecidable manual PG 196 0.6993 0.09 1.1
--.SSO.Z. 1988-12-03T18:32:19.90 10.0 undecidable manual SG 56 0.3996 0.07 0.6
--.AOI.Z. 1988-12-03T18:32:19.10 10.0 undecidable manual PG 44 0.666 0.7 0.4
--.ALP.Z. 1988-12-03T18:32:16.20 10.0 undecidable manual PG 122 0.5328 0.44 1.9
--.SS8.Z. 1988-12-03T18:32:13.00 10.0 undecidable manual SG 106 0.2109 -0.47 0.6
--.ARV.Z. 1988-12-03T18:32:13.70 10.0 undecidable manual PG 359 0.4329 -0.21 1.4
--.ASS.Z. 1988-12-03T18:32:13.85 10.0 undecidable manual SG 269 0.2109 0.07 0.6
--.CIO.Z. 1988-12-03T18:32:12.70 10.0 undecidable manual SG 47 0.1887 -0.08 0.9
--.SSO.Z. 1988-12-03T18:32:12.40 10.0 undecidable manual PG 56 0.3996 -1.08 0.1
--.CIO.Z. 1988-12-03T18:32:09.20 10.0 undecidable manual PG 47 0.1887 -0.2 2.9
--.SS8.Z. 1988-12-03T18:32:09.40 10.0 undecidable manual PG 106 0.2109 -0.41 2.2
--.ASS.Z. 1988-12-03T18:32:09.93 10.0 undecidable manual PG 269 0.2109 -0.05 1.5
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