Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of Md 2.5 on date 14-09-1989 and time 21:45:25 (Italy) in region 2 km W San Ginesio (MC)

A magnitude Md 2.5 earthquake occured in region: 2 km W San Ginesio (MC), on

  • 14-09-1989 19:45:25 (UTC)
  • 14-09-1989 21:45:25 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1000, 13.2920 at 22 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.

Hai sentito il terremoto? Clicca qui

Did you feel it? Fill in the questionnaire.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
San Ginesio MC 2 3498 3498
Cessapalombo MC 3 512 4010
Camporotondo di Fiastrone MC 4 563 4573
Gualdo MC 5 815 5388
Caldarola MC 7 1823 7211
Sarnano MC 7 3264 10475
Ripe San Ginesio MC 8 852 11327
Belforte del Chienti MC 8 1886 13213
Sant'Angelo in Pontano MC 9 1436 14649
Colmurano MC 9 1263 15912
Penna San Giovanni MC 12 1108 17020
Serrapetrona MC 12 966 17986
Acquacanina MC 12 121 18107
Tolentino MC 12 20069 38176
Loro Piceno MC 13 2401 40577
Bolognola MC 13 142 40719
Urbisaglia MC 13 2628 43347
Fiastra MC 13 559 43906
Amandola FM 14 3629 47535
Monte San Martino MC 14 765 48300
Falerone FM 15 3337 51637
Montappone FM 15 1682 53319
Monte Vidon Corrado FM 16 731 54050
Massa Fermana FM 16 963 55013
Smerillo FM 16 365 55378
Servigliano FM 17 2336 57714
San Severino Marche MC 17 12726 70440
Pievebovigliana MC 17 866 71306
Fiordimonte MC 18 202 71508
Montefortino FM 18 1178 72686
Mogliano MC 18 4696 77382
Montefalcone Appennino FM 19 424 77806
Camerino MC 19 6974 84780
Comunanza AP 19 3166 87946
Santa Vittoria in Matenano FM 19 1330 89276
Pollenza MC 19 6618 95894
Petriolo MC 20 1998 97892

Municipalities with at least 50000 inhabitants

An earthquake occurred to
50 Km E of Foligno (57155 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
60 Km SW of Ancona (100861 inhabitants)
73 Km E of Perugia (166134 inhabitants)
80 Km NE of Terni (111501 inhabitants)
84 Km N of L'Aquila (69753 inhabitants)
86 Km S of Fano (60888 inhabitants)
95 Km SE of Pesaro (94582 inhabitants)
96 Km NW of Montesilvano (53738 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 2.5
ML-VAX 2.0 		1989-09-14
19:45:25		 43.1 13.292 22 2013-07-15
08:40:51		 Bollettino Sismico Italiano INGV 99449
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-09-14 19:45:25 ± 0.239
Latitude 43.1000 ± 0.0147
Longitude 13.2920 ± 0.0225
Depth (km) 22 ± 3 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 99449

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) 2454.4
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 121
Number of associated phases, regardless of their use for origin computation 14
Number of defining phases 14
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) 0.00753
Number of stations at which the event was observed 7
Number of stations from which data was used for origin computation 7
Magnitudes information

Md:2.5

Field Value
Value 2.5
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 99449
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:32:53

ML:2.0

Field Value
Value 2.0
Uncertainty
Num. used stations 3
Type of magnitude ML
Reference to an origin 99449
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. 1989-09-14T19:45:55.00 10.0 undecidable manual SN 212 0.8325 0.95 0
--.ARV.Z. 1989-09-14T19:45:43.31 10.0 undecidable manual SG 327 0.4662 -0.04 0.4
--.AM8.Z. 1989-09-14T19:45:43.70 10.0 undecidable manual SG 26 0.4995 -0.55 0.3
--.MNS.Z. 1989-09-14T19:45:42.36 10.0 negative manual PN 212 0.8325 0.26 1.3
--.ASS.Z. 1989-09-14T19:45:42.00 10.0 undecidable manual SG 265 0.4662 -1.23 0
--.ALP.Z. 1989-09-14T19:45:39.90 10.0 undecidable manual SG 147 0.3774 -0.61 0.3
--.MC8.Z. 1989-09-14T19:45:37.30 10.0 undecidable manual SG 25 0.2109 1.4 0
--.ASS.Z. 1989-09-14T19:45:35.80 10.0 negative manual PG 265 0.4662 -0.06 2.2
--.AM8.Z. 1989-09-14T19:45:35.90 10.0 undecidable manual PG 26 0.4995 -0.55 1.1
--.ARV.Z. 1989-09-14T19:45:35.68 10.0 positive manual PG 327 0.4662 -0.25 1.9
--.ALP.Z. 1989-09-14T19:45:34.20 10.0 undecidable manual PG 147 0.3774 -0.09 2.2
--.CM8.Z. 1989-09-14T19:45:34.60 10.0 undecidable manual SG 311 0.1332 0.34 0.5
--.MC8.Z. 1989-09-14T19:45:32.00 10.0 undecidable manual PG 25 0.2109 0.38 1.7
--.CM8.Z. 1989-09-14T19:45:30.90 10.0 undecidable manual PG 311 0.1332 0.22 2
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