Earthquake with magnitude of Md 2.4 on date 02-02-1989 and time 02:44:39 (UTC) in region 5 km W Micigliano (RI)

A magnitude Md 2.4 earthquake occured in region: 5 km W Micigliano (RI), on

  • 02-02-1989 02:44:39 (UTC)
  • 02-02-1989 03:44:39 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 42.4720, 13.0070 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.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Micigliano RI 5 127 127
Cantalice RI 8 2755 2882
Antrodoco RI 9 2588 5470
Borgo Velino RI 9 972 6442
Castel Sant'Angelo RI 9 1308 7750
Posta RI 9 694 8444
Poggio Bustone RI 11 2055 10499
Cittaducale RI 11 6828 17327
Leonessa RI 11 2435 19762
Borbona RI 11 617 20379
Rivodutri RI 13 1253 21632
Rieti RI 14 47698 69330
Morro Reatino RI 16 373 69703
Concerviano RI 17 291 69994
Labro RI 18 374 70368
Cagnano Amiterno AQ 18 1369 71737
Polino TR 18 233 71970
Colli sul Velino RI 19 533 72503
Belmonte in Sabina RI 19 636 73139
Greccio RI 20 1558 74697

Municipalities with at least 50000 inhabitants

An earthquake occurred to
31 Km E of Terni (111501 inhabitants)
35 Km W of L'Aquila (69753 inhabitants)
57 Km NE of Guidonia Montecelio (88673 inhabitants)
59 Km N of Tivoli (56533 inhabitants)
59 Km SE of Foligno (57155 inhabitants)
61 Km W of Teramo (54892 inhabitants)
74 Km E of Viterbo (67173 inhabitants)
77 Km NE of Roma (2864731 inhabitants)
87 Km SE of Perugia (166134 inhabitants)
89 Km N of Velletri (53303 inhabitants)
94 Km W of Montesilvano (53738 inhabitants)
96 Km W of Chieti (51815 inhabitants)
98 Km NE of Pomezia (62966 inhabitants)
99 Km W of Pescara (121014 inhabitants)
100 Km NE of Fiumicino (78395 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 1989-02-02
02:44:39
42.472 13.007 10 2013-07-15
08:41:04
Bollettino Sismico Italiano INGV 86399
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 1989-02-02 02:44:39 ± 0.123
Latitude 42.4720 ± 0.0108
Longitude 13.0070 ± 0.0121
Depth (km) 10 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-VAX
Event type earthquake
Origin ID 86399

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) 1557.2
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 117
Number of associated phases, regardless of their use for origin computation 7
Number of defining phases 7
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.2
Epicentral distance of station closest to the epicenter (degree) 0.00227
Epicentral distance of station farthest from the epicenter (degree) 0.00866
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:2.4

Field Value
Value 2.4
Uncertainty
Num. used stations 2
Type of magnitude Md
Reference to an origin 86399
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2013-01-04 18:21:06
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
--.CIO.Z. 1989-02-02T02:45:04.97 10.0 undecidable manual SG 7 0.7326 0.44 0.1
--.SDI.Z. 1989-02-02T02:44:58.23 10.0 undecidable manual PG 141 0.9657 0.01 1.3
--.ALP.Z. 1989-02-02T02:44:57.31 10.0 undecidable manual SG 52 0.5106 -0.31 0.3
--.CIO.Z. 1989-02-02T02:44:53.56 10.0 undecidable manual PG 7 0.7326 -0.26 0.9
--.ALP.Z. 1989-02-02T02:44:49.94 10.0 undecidable manual PG 52 0.5106 0.11 1.6
--.MNS.Z. 1989-02-02T02:44:48.75 10.0 undecidable manual SG 250 0.2553 -0.58 0
--.MNS.Z. 1989-02-02T02:44:45.21 10.0 negative manual PG 250 0.2553 0.16 2.8
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