Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.3 on date 03-04-2015 and time 21:50:48 (Italy) in region 2 km NW Montelparo (FM)

A magnitude ML 1.3 earthquake occured in region: 2 km NW Montelparo (FM), on

  • 03-04-2015 19:50:48 (UTC)
  • 03-04-2015 21:50:48 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0310, 13.5240 at 23 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.

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Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Montelparo FM 2 778 778
Monteleone di Fermo FM 2 395 1173
Santa Vittoria in Matenano FM 2 1330 2503
Monte Rinaldo FM 5 379 2882
Monsampietro Morico FM 5 659 3541
Montottone FM 6 979 4520
Servigliano FM 6 2336 6856
Ortezzano FM 7 774 7630
Monte San Martino MC 7 765 8395
Smerillo FM 7 365 8760
Montefalcone Appennino FM 7 424 9184
Belmonte Piceno FM 7 646 9830
Force AP 8 1354 11184
Montalto delle Marche AP 8 2122 13306
Montedinove AP 8 488 13794
Penna San Giovanni MC 9 1108 14902
Rotella AP 9 906 15808
Monte Vidon Combatte FM 9 433 16241
Falerone FM 10 3337 19578
Monte Vidon Corrado FM 11 731 20309
Grottazzolina FM 11 3398 23707
Monte Giberto FM 11 801 24508
Montegiorgio FM 11 6851 31359
Petritoli FM 12 2335 33694
Comunanza AP 12 3166 36860
Montappone FM 13 1682 38542
Sant'Angelo in Pontano MC 13 1436 39978
Castignano AP 13 2796 42774
Carassai AP 13 1100 43874
Magliano di Tenna FM 13 1452 45326
Ponzano di Fermo FM 14 1674 47000
Massa Fermana FM 14 963 47963
Cossignano AP 14 978 48941
Amandola FM 15 3629 52570
Palmiano AP 15 196 52766
Rapagnano FM 16 2145 54911
Gualdo MC 16 815 55726
Venarotta AP 17 2066 57792
Monterubbiano FM 17 2230 60022
Offida AP 17 5058 65080
Loro Piceno MC 18 2401 67481
Mogliano MC 18 4696 72177
Montefortino FM 18 1178 73355
Ripe San Ginesio MC 18 852 74207
Francavilla d'Ete FM 18 964 75171
Sarnano MC 18 3264 78435
Moresco FM 18 598 79033
Torre San Patrizio FM 19 2048 81081
Montefiore dell'Aso AP 19 2123 83204
Monte San Pietrangeli FM 19 2458 85662
Appignano del Tronto AP 19 1785 87447
San Ginesio MC 19 3498 90945
Roccafluvione AP 19 2010 92955
Ripatransone AP 20 4309 97264

Municipalities with at least 50000 inhabitants

An earthquake occurred to
44 Km NW of Teramo (54892 inhabitants)
65 Km S of Ancona (100861 inhabitants)
67 Km E of Foligno (57155 inhabitants)
76 Km N of L'Aquila (69753 inhabitants)
77 Km NW of Montesilvano (53738 inhabitants)
84 Km NW of Pescara (121014 inhabitants)
89 Km NE of Terni (111501 inhabitants)
92 Km NW of Chieti (51815 inhabitants)
93 Km E of Perugia (166134 inhabitants)
99 Km SE of Fano (60888 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 1.3 2015-04-03
19:50:48		 43.0308 13.5243 23 2015-10-19
09:28:02		 Bollettino Sismico Italiano INGV 18296331
Reviewed
Rev100 		ML 1.2 2015-04-03
19:50:47		 43.0128 13.5695 9 2015-04-03
20:00:50		 Sala Sismica INGV-Roma 18189481
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-04-03 19:50:48 ± 0.13
Latitude 43.0308 ± 0.0054
Longitude 13.5243 ± 0.0098
Depth (km) 23 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 18296331

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 744
Semi-minor axis of confidence ellipse (meter) 327
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 77
Circular confidence region, given by single value of horizontal uncertainty (meter) 740.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 166
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 17
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.19
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.55578
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 9
Magnitudes information

ML:1.3

Field Value
Value 1.3
Uncertainty 0.2
Num. used stations 1
Type of magnitude ML
Reference to an origin 18296331
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-04-09 11:59:18

ML:1.2

Field Value
Value 1.2
Uncertainty 0.2
Num. used stations 3
Type of magnitude ML
Reference to an origin 18189481
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-04-03 20:00:50
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.LNSS.HHZ. 2015-04-03T19:51:08.20 0.6 undecidable manual S 220 61.6938 104 0.84 37
IV.TERO.HHE. 2015-04-03T19:51:03.37 0.3 undecidable manual S 172 45.7209 109 0.09 71
IV.SMA1.EHE. 2015-04-03T19:51:03.60 0.3 undecidable manual S 199 47.0196 109 0.01 72
IV.CING.HHE. 2015-04-03T19:51:03.50 0.3 undecidable manual S 325 46.62 109 0.01 72
IV.NRCA.HHZ. 2015-04-03T19:51:01.90 0.1 undecidable manual S 237 39.8268 113 0.09 96
IV.FDMO.HHZ. 2015-04-03T19:51:00.70 0.3 undecidable manual S 271 35.4423 116 -0.03 73
IV.MMUR.HNZ. 2015-04-03T19:51:00.68 3.0 undecidable manual P 0.05 0
IV.LNSS.HHZ. 2015-04-03T19:50:59.25 0.3 undecidable manual P 220 61.6938 104 0.05 70
IV.CSP1.EHZ. 2015-04-03T19:50:58.60 0.3 undecidable manual S 285 26.751 124 -0.12 73
IV.AOI.HHE. 2015-04-03T19:50:58.98 0.6 undecidable manual P 6 57.8976 105 0.34 44
IV.SMA1.EHE. 2015-04-03T19:50:56.76 0.3 undecidable manual P 199 47.0196 109 -0.27 69
IV.GUMA.HHE. 2015-04-03T19:50:56.66 0.1 undecidable manual S 283 15.7731 141 0.11 100
IV.CING.HHE. 2015-04-03T19:50:56.96 0.3 undecidable manual P 325 46.62 109 0 72
IV.TERO.HHE. 2015-04-03T19:50:56.58 0.3 undecidable manual P 172 45.7209 109 -0.26 69
IV.NRCA.HHZ. 2015-04-03T19:50:55.89 0.1 undecidable manual P 237 39.8268 113 -0.1 96
IV.FDMO.HHZ. 2015-04-03T19:50:55.18 0.3 undecidable manual P 271 35.4423 116 -0.19 71
IV.CSP1.EHZ. 2015-04-03T19:50:54.02 0.3 undecidable manual P 285 26.751 124 -0.19 72
IV.GUMA.HHE. 2015-04-03T19:50:53.04 0.3 undecidable manual P 283 15.7731 141 0.08 75
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CSP1.EHN. ML:1.2 0.0000757 1.58 AML other m 2015-04-03T19:50:46.95
IV.CSP1.EHE. ML:1.4 0.00011099999999999999 1.58 AML other m 2015-04-03T19:51:33.58
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