Earthquake with magnitude of Md 2.0 on date 30-11-1988 and time 13:05:16 (Italy) in region 5 km W Treia (MC)

A magnitude Md 2.0 earthquake occured in region: 5 km W Treia (MC), on

  • 30-11-1988 12:05:16 (UTC)
  • 30-11-1988 13:05:16 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.3110, 13.2570 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
Treia MC 5 9403 9403
Cingoli MC 8 10352 19755
Pollenza MC 9 6618 26373
Appignano MC 9 4213 30586
San Severino Marche MC 11 12726 43312
Tolentino MC 12 20069 63381
Apiro MC 14 2280 65661
Staffolo AN 15 2253 67914
Montecassiano MC 16 7125 75039
Serrapetrona MC 16 966 76005
Filottrano AN 16 9499 85504
Urbisaglia MC 16 2628 88132
Poggio San Vicino MC 16 246 88378
Macerata MC 16 42473 130851
Belforte del Chienti MC 16 1886 132737
Gagliole MC 17 620 133357
San Paolo di Jesi AN 17 933 134290
Colmurano MC 18 1263 135553
Montefano MC 19 3541 139094
Cupramontana AN 19 4756 143850
Caldarola MC 19 1823 145673
Castelraimondo MC 20 4587 150260
Petriolo MC 20 1998 152258
Camporotondo di Fiastrone MC 20 563 152821

Municipalities with at least 50000 inhabitants

An earthquake occurred to
40 Km SW of Ancona (100861 inhabitants)
60 Km NE of Foligno (57155 inhabitants)
62 Km SE of Fano (60888 inhabitants)
72 Km SE of Pesaro (94582 inhabitants)
74 Km E of Perugia (166134 inhabitants)
81 Km NW of Teramo (54892 inhabitants)
97 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 2.0 1988-11-30
12:05:16
43.311 13.257 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 82379
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1988-11-30 12:05:16 ± 0.229
Latitude 43.3110 ± 0.0106
Longitude 13.2570 ± 0.0203
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 82379

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) 2023.6
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 137
Number of associated phases, regardless of their use for origin computation 8
Number of defining phases 8
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) 0.00121
Epicentral distance of station farthest from the epicenter (degree) 0.00308
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:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 1
Type of magnitude Md
Reference to an origin 82379
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:17:25
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.AOI.Z. 1988-11-30T12:05:30.80 10.0 undecidable manual SG 46 0.3441 1.06 0.1
--.SS8.Z. 1988-11-30T12:05:29.20 10.0 undecidable manual SG 183 0.2997 0.96 0.1
--.ARV.Z. 1988-11-30T12:05:28.00 10.0 undecidable manual SG 309 0.2886 0.16 0.5
--.SS8.Z. 1988-11-30T12:05:23.00 10.0 undecidable manual PG 183 0.2997 -0.22 1.2
--.AOI.Z. 1988-11-30T12:05:23.60 10.0 undecidable manual PG 46 0.3441 -0.48 1.4
--.ARV.Z. 1988-11-30T12:05:23.00 10.0 undecidable manual PG 309 0.2886 0.01 1.4
--.CIO.Z. 1988-11-30T12:05:21.90 10.0 undecidable manual SG 215 0.1332 -0.23 0.8
--.CIO.Z. 1988-11-30T12:05:19.50 10.0 undecidable manual PG 215 0.1332 -0.2 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