Earthquake with magnitude of ML 1.5 on date 25-05-2013 and time 17:15:39 (Italy) in region 1 km W Micigliano (RI)

A magnitude ML 1.5 earthquake occured in region: 1 km W Micigliano (RI), on

  • 25-05-2013 15:15:39 (UTC)
  • 25-05-2013 17:15:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.4500, 13.0400 at 11 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 1 127 127
Antrodoco RI 5 2588 2715
Borgo Velino RI 5 972 3687
Castel Sant'Angelo RI 6 1308 4995
Posta RI 10 694 5689
Cittaducale RI 10 6828 12517
Borbona RI 10 617 13134
Cantalice RI 11 2755 15889
Poggio Bustone RI 14 2055 17944
Leonessa RI 14 2435 20379
Concerviano RI 15 291 20670
Rieti RI 15 47698 68368
Cagnano Amiterno AQ 15 1369 69737
Rivodutri RI 17 1253 70990
Petrella Salto RI 17 1197 72187
Montereale AQ 19 2581 74768
Belmonte in Sabina RI 19 636 75404
Morro Reatino RI 19 373 75777
Barete AQ 20 737 76514
Scoppito AQ 20 3727 80241

Municipalities with at least 50000 inhabitants

An earthquake occurred to
32 Km W of L'Aquila (69753 inhabitants)
34 Km E of Terni (111501 inhabitants)
56 Km NE of Guidonia Montecelio (88673 inhabitants)
58 Km NE of Tivoli (56533 inhabitants)
59 Km W of Teramo (54892 inhabitants)
63 Km SE of Foligno (57155 inhabitants)
77 Km E of Viterbo (67173 inhabitants)
77 Km NE of Roma (2864731 inhabitants)
88 Km N of Velletri (53303 inhabitants)
90 Km SE of Perugia (166134 inhabitants)
91 Km W of Montesilvano (53738 inhabitants)
93 Km W of Chieti (51815 inhabitants)
96 Km W of Pescara (121014 inhabitants)
97 Km NE of Pomezia (62966 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
ML 1.5 2013-05-25
15:15:39
42.4505 13.0397 11 2015-01-20
11:26:04
Bollettino Sismico Italiano INGV 5500161
Reviewed
Rev100
ML 1.5 2013-05-25
15:15:39
42.4512 13.0415 12 2014-10-21
12:08:56
Sala Sismica INGV-Roma 3590761
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2013-05-25 15:15:39 ± 0.07
Latitude 42.4505 ± 0.0036
Longitude 13.0397 ± 0.0073
Depth (km) 11 (operator assigned)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 5500161

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 650
Semi-minor axis of confidence ellipse (meter) 380
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 140
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) 0.14
Epicentral distance of station closest to the epicenter (degree) 0.15199
Epicentral distance of station farthest from the epicenter (degree) 0.38671
Number of stations at which the event was observed 5
Number of stations from which data was used for origin computation 5
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 5500161
Agency INGV
Autore Manually reviewed by Franco Mele
Time of creation (UTC) 2015-01-15 13:27:31

ML:1.5

Field Value
Value 1.5
Uncertainty 0.1
Num. used stations 1
Type of magnitude ML
Reference to an origin 3590761
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2013-05-25 15:21:36
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.ARRO.EHZ. 2013-05-25T15:15:48.60 0.6 undecidable manual S 303 26.5512 50 -0.06 49
IV.FIAM.HHZ. 2013-05-25T15:15:47.00 0.6 undecidable manual S 163 21.2676 50 -0.23 48
IV.NRCA.HHZ. 2013-05-25T15:15:46.89 0.3 undecidable manual P 8 42.9237 50 -0.24 69
IV.LNSS.HHZ. 2013-05-25T15:15:46.00 0.3 undecidable manual S 0 16.872 123 -0.04 76
IV.SMA1.EHZ. 2013-05-25T15:15:45.42 0.1 undecidable manual P 50 31.3464 50 0.08 98
IV.ARRO.EHZ. 2013-05-25T15:15:44.69 0.3 undecidable manual P 303 26.5512 50 0.09 74
IV.FIAM.HHZ. 2013-05-25T15:15:43.94 0.3 undecidable manual P 163 21.2676 50 0.16 73
IV.LNSS.HHZ. 2013-05-25T15:15:43.18 0.1 positive manual P 0 16.872 123 0.09 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.LNSS.HHN. ML:1.6 0.000331 0.16 AML other m 2013-05-25T15:15:46.13
IV.LNSS.HHE. ML:1.4 0.00021250000000000002 0.84 AML other m 2013-05-25T15:15:47.20
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