Earthquake with magnitude of Md 2.4 on date 25-01-1989 and time 03:16:01 (Italy) in region 2 km NW Gualdo (MC)

A magnitude Md 2.4 earthquake occured in region: 2 km NW Gualdo (MC), on

  • 25-01-1989 02:16:01 (UTC)
  • 25-01-1989 03:16:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.08, 13.33 at 12 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
Gualdo MC 2 815 815
San Ginesio MC 3 3498 4313
Sarnano MC 6 3264 7577
Sant'Angelo in Pontano MC 6 1436 9013
Cessapalombo MC 6 512 9525
Ripe San Ginesio MC 8 852 10377
Camporotondo di Fiastrone MC 8 563 10940
Penna San Giovanni MC 8 1108 12048
Colmurano MC 9 1263 13311
Caldarola MC 10 1823 15134
Monte San Martino MC 11 765 15899
Amandola FM 12 3629 19528
Belforte del Chienti MC 12 1886 21414
Loro Piceno MC 12 2401 23815
Falerone FM 12 3337 27152
Bolognola MC 13 142 27294
Montappone FM 13 1682 28976
Smerillo FM 13 365 29341
Servigliano FM 13 2336 31677
Urbisaglia MC 13 2628 34305
Monte Vidon Corrado FM 13 731 35036
Acquacanina MC 14 121 35157
Massa Fermana FM 14 963 36120
Tolentino MC 15 20069 56189
Fiastra MC 15 559 56748
Montefalcone Appennino FM 15 424 57172
Santa Vittoria in Matenano FM 15 1330 58502
Serrapetrona MC 15 966 59468
Montefortino FM 16 1178 60646
Comunanza AP 16 3166 63812
Monteleone di Fermo FM 17 395 64207
Mogliano MC 17 4696 68903
Belmonte Piceno FM 17 646 69549
Montegiorgio FM 18 6851 76400
Montelparo FM 18 778 77178
Monsampietro Morico FM 19 659 77837
Force AP 19 1354 79191
Petriolo MC 19 1998 81189
Pievebovigliana MC 20 866 82055

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km E of Foligno (57155 inhabitants)
56 Km NW of Teramo (54892 inhabitants)
61 Km S of Ancona (100861 inhabitants)
76 Km E of Perugia (166134 inhabitants)
80 Km NE of Terni (111501 inhabitants)
82 Km N of L'Aquila (69753 inhabitants)
88 Km S of Fano (60888 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
98 Km SE of Pesaro (94582 inhabitants)
100 Km NW of Pescara (121014 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
Rev 1000 Md 2.4 1989-01-25
02:16:01
43.08 13.33 13 2013-07-15
08:40:51
Bollettino Sismico Italiano INGV 86009
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-01-25 02:16:01 ± 0.316
Latitude 43.08 ± 0.01
Longitude 13.33 ± 0.03
Depth (km) 13 ± 5 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 86009

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) 2490.1
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 127
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) 0.4
Epicentral distance of station closest to the epicenter (degree) 0.00089
Epicentral distance of station farthest from the epicenter (degree) 0.01271
Number of stations at which the event was observed 8
Number of stations from which data was used for origin computation 8
Magnitude information

Md:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 3
Type of magnitude Md
Reference to an origin 86009
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:20:44
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance Takeoff_angle Residual Weight
--.SDI.Z. 1989-01-25T02:16:27.53 10.0 undecidable manual PN 165 0.0127 1.25 0.1
--.AM8.Z. 1989-01-25T02:16:19.50 10.0 undecidable manual SG 22 0.0045 0.29 0.7
--.ARV.Z. 1989-01-25T02:16:18.50 10.0 undecidable manual SG 326 0.0045 -1.01 0.1
--.ALP.Z. 1989-01-25T02:16:13.90 10.0 undecidable manual SG 149 0.0031 -0.3 0.8
--.ASS.Z. 1989-01-25T02:16:11.00 10.0 undecidable manual PG 267 0.0045 -0.34 1.1
--.ARV.Z. 1989-01-25T02:16:11.35 10.0 undecidable manual PG 326 0.0045 -0.09 1.3
--.MC8.Z. 1989-01-25T02:16:11.40 10.0 undecidable manual SG 17 0.0019 1.28 0.1
--.AM8.Z. 1989-01-25T02:16:10.80 10.0 undecidable manual PG 22 0.0045 -0.73 0.6
--.CM8.Z. 1989-01-25T02:16:09.20 10.0 undecidable manual SG 309 0.0015 0.47 0.7
--.SS8.Z. 1989-01-25T02:16:07.60 10.0 undecidable manual SG 223 0.0009 0.84 0.3
--.ALP.Z. 1989-01-25T02:16:07.90 10.0 undecidable manual PG 149 0.0031 -0.74 0.6
--.MC8.Z. 1989-01-25T02:16:06.40 10.0 undecidable manual PG 17 0.0019 0.12 1.5
--.CM8.Z. 1989-01-25T02:16:05.30 10.0 undecidable manual PG 309 0.0015 -0.18 2.9
--.SS8.Z. 1989-01-25T02:16:04.40 10.0 undecidable manual PG 223 0.0009 0.05 3.1
TDMT - Time Domain Moment Tensor
Focal Mechanism in the area
Download
Type Description Link
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