Earthquake with magnitude of Md 3.1 on date 18-02-1989 and time 23:16:37 (Italy) in region 1 km W Mondolfo (PU)

A magnitude Md 3.1 earthquake occured in region: 1 km W Mondolfo (PU), on

  • 18-02-1989 22:16:37 (UTC)
  • 18-02-1989 23:16:37 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.75, 13.09 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
Mondolfo PU 1 14277 14277
San Costanzo PU 2 4786 19063
Monte Porzio PU 8 2836 21899
Trecastelli AN 9 7625 29524
San Giorgio di Pesaro PU 10 1388 30912
Piagge PU 10 1022 31934
Senigallia AN 11 45027 76961
Fano PU 12 60888 137849
Montemaggiore al Metauro PU 12 2893 140742
Corinaldo AN 12 4998 145740
Orciano di Pesaro PU 12 2028 147768
Mondavio PU 13 3810 151578
Saltara PU 15 6925 158503
Barchi PU 16 967 159470
Cartoceto PU 16 7887 167357
Ostra AN 17 6875 174232
Ostra Vetere AN 17 3311 177543
Serrungarina PU 17 2634 180177
Castelleone di Suasa AN 18 1676 181853
Sant'Ippolito PU 19 1563 183416
Mombaroccio PU 19 2152 185568
Morro d'Alba AN 20 1903 187471
Barbara AN 20 1368 188839

Municipalities with at least 50000 inhabitants

An earthquake occurred to
12 Km SE of Fano (60888 inhabitants)
22 Km SE of Pesaro (94582 inhabitants)
38 Km W of Ancona (100861 inhabitants)
54 Km SE of Rimini (147750 inhabitants)
80 Km SE of Cesena (96758 inhabitants)
91 Km NE of Perugia (166134 inhabitants)
94 Km NE of Foligno (57155 inhabitants)
99 Km SE of Forlì (117913 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 3.1
ML-VAX 2.2
1989-02-18
22:16:37
43.75 13.09 5 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 87279
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-02-18 22:16:37 ± 0.159
Latitude 43.75 ± 0.01
Longitude 13.09 ± 0.01
Depth (km) 5 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 87279

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) 1550.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 95
Number of associated phases, regardless of their use for origin computation 40
Number of defining phases 40
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.6
Epicentral distance of station closest to the epicenter (degree) 0.00243
Epicentral distance of station farthest from the epicenter (degree) 0.02558
Number of stations at which the event was observed 25
Number of stations from which data was used for origin computation 25
Magnitudes information

Md:3.1

Field Value
Value 3.1
Uncertainty
Num. used stations 6
Type of magnitude Md
Reference to an origin 87279
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:21:55

ML:2.2

Field Value
Value 2.2
Uncertainty
Num. used stations 9
Type of magnitude ML
Reference to an origin 87279
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 Takeoff_angle Residual Weight
--.LJU.Z. 1989-02-18T22:17:48.80 10.0 undecidable manual SN 23 0.0225 0.34 0.5
--.CTI.Z. 1989-02-18T22:17:47.86 10.0 undecidable manual SN 336 0.0225 -0.67 0.4
--.VOY.Z. 1989-02-18T22:17:45.90 10.0 undecidable manual SN 13 0.021 1.2 0.2
--.AQU.Z. 1989-02-18T22:17:24.60 10.0 undecidable manual SN 170 0.0127 1.48 0.1
--.FVI.Z. 1989-02-18T22:17:23.42 10.0 undecidable manual PN 355 0.0256 0.46 1
--.BOB.Z. 1989-02-18T22:17:22.30 10.0 undecidable manual PN 292 0.0251 0.04 1.2
--.MNS.Z. 1989-02-18T22:17:21.97 10.0 undecidable manual SN 192 0.0125 -0.2 0.7
--.LJU.Z. 1989-02-18T22:17:20.50 10.0 undecidable manual PN 23 0.0225 2.23 0
--.RBL.Z. 1989-02-18T22:17:20.20 10.0 undecidable manual PN 6 0.0244 -0.84 0.7
--.CTI.Z. 1989-02-18T22:17:18.50 10.0 undecidable manual PN 336 0.0225 0.18 1.2
--.FG2.Z. 1989-02-18T22:17:17.48 10.0 undecidable manual PN 141 0.0222 -0.31 1.2
--.VOY.Z. 1989-02-18T22:17:16.40 10.0 undecidable manual PN 13 0.021 0.3 1.2
--.ALP.Z. 1989-02-18T22:17:14.90 10.0 undecidable manual SG 160 0.0092 1.83 0.1
--.SDI.Z. 1989-02-18T22:17:13.86 10.0 undecidable manual PN 165 0.0189 1.01 0.7
--.RDP.Z. 1989-02-18T22:17:12.00 10.0 undecidable manual PN 187 0.0181 0.5 1.2
--.PGD.Z. 1989-02-18T22:17:11.50 10.0 undecidable manual SG 277 0.0089 -0.3 0.7
--.TRI.Z. 1989-02-18T22:17:10.66 10.0 undecidable manual PN 13 0.0181 -0.84 0.8
--.PII.Z. 1989-02-18T22:17:10.38 10.0 undecidable manual PN 269 0.0166 1.08 0.6
--.CP9.Z. 1989-02-18T22:17:10.70 10.0 undecidable manual PN 182 0.017 0.84 0.9
--.BDI.Z. 1989-02-18T22:17:09.61 10.0 undecidable manual PN 280 0.0164 0.74 1
--.SFI.Z. 1989-02-18T22:17:09.94 10.0 undecidable manual SG 279 0.0081 0.91 0.4
--.CRE.Z. 1989-02-18T22:17:06.50 10.0 undecidable manual SG 261 0.0074 -0.15 0.7
--.AQU.Z. 1989-02-18T22:17:04.32 10.0 undecidable manual PN 170 0.0127 0.98 0.8
--.ASS.Z. 1989-02-18T22:17:04.50 10.0 undecidable manual SG 204 0.0068 0.2 1
--.MNS.Z. 1989-02-18T22:17:03.25 10.0 undecidable manual PN 192 0.0125 0.16 1.7
--.CM8.Z. 1989-02-18T22:16:58.10 10.0 undecidable manual SG 175 0.005 0.23 1
--.MC8.Z. 1989-02-18T22:16:57.30 10.0 undecidable manual SG 152 0.0046 0.74 0.5
--.PGD.Z. 1989-02-18T22:16:56.80 10.0 undecidable manual PG 277 0.0089 -1.03 0.8
--.ALP.Z. 1989-02-18T22:16:56.90 10.0 undecidable manual PG 160 0.0092 -0.95 1.8
--.RSM.Z. 1989-02-18T22:16:55.25 10.0 undecidable manual SG 291 0.0044 -0.44 0.6
--.SFI.Z. 1989-02-18T22:16:54.79 10.0 undecidable manual PG 279 0.0081 -0.72 1.2
--.CRE.Z. 1989-02-18T22:16:53.50 10.0 undecidable manual PG 261 0.0074 -0.63 1.3
--.AM8.Z. 1989-02-18T22:16:53.10 10.0 undecidable manual SG 118 0.0038 -0.34 1
--.ASS.Z. 1989-02-18T22:16:52.50 10.0 undecidable manual PG 204 0.0068 -0.27 1.7
--.CM8.Z. 1989-02-18T22:16:48.10 10.0 undecidable manual PG 175 0.005 -0.97 1.7
--.MC8.Z. 1989-02-18T22:16:47.50 10.0 undecidable manual PG? 152 0.0046 -0.8 0.4
--.ARV.Z. 1989-02-18T22:16:47.82 10.0 undecidable manual SG 202 0.0024 0.05 0.7
--.RSM.Z. 1989-02-18T22:16:47.51 10.0 negative manual PG 291 0.0044 -0.3 3.3
--.AM8.Z. 1989-02-18T22:16:45.50 10.0 undecidable manual PG 118 0.0038 -1.01 1.6
--.ARV.Z. 1989-02-18T22:16:43.41 10.0 negative manual PG 202 0.0024 0.17 3.4
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download