Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 2.0 on date 22-04-2015 and time 09:57:36 (UTC) in region 3 km S Sant'Angelo in Pontano (MC)

A magnitude ML 2.0 earthquake occured in region: 3 km S Sant'Angelo in Pontano (MC), on

  • 22-04-2015 09:57:36 (UTC)
  • 22-04-2015 11:57:36 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.0780, 13.4040 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
Sant'Angelo in Pontano MC 3 1436 1436
Penna San Giovanni MC 3 1108 2544
Gualdo MC 5 815 3359
Monte San Martino MC 6 765 4124
Falerone FM 7 3337 7461
Servigliano FM 7 2336 9797
Ripe San Ginesio MC 8 852 10649
San Ginesio MC 8 3498 14147
Monte Vidon Corrado FM 8 731 14878
Montappone FM 8 1682 16560
Smerillo FM 9 365 16925
Sarnano MC 10 3264 20189
Loro Piceno MC 10 2401 22590
Santa Vittoria in Matenano FM 10 1330 23920
Massa Fermana FM 10 963 24883
Colmurano MC 10 1263 26146
Monteleone di Fermo FM 11 395 26541
Montefalcone Appennino FM 11 424 26965
Belmonte Piceno FM 11 646 27611
Amandola FM 11 3629 31240
Cessapalombo MC 12 512 31752
Montegiorgio FM 12 6851 38603
Monsampietro Morico FM 13 659 39262
Montelparo FM 13 778 40040
Camporotondo di Fiastrone MC 13 563 40603
Comunanza AP 13 3166 43769
Urbisaglia MC 14 2628 46397
Mogliano MC 14 4696 51093
Force AP 15 1354 52447
Montottone FM 15 979 53426
Monte Rinaldo FM 16 379 53805
Montefortino FM 16 1178 54983
Caldarola MC 16 1823 56806
Magliano di Tenna FM 16 1452 58258
Grottazzolina FM 17 3398 61656
Belforte del Chienti MC 17 1886 63542
Petriolo MC 17 1998 65540
Francavilla d'Ete FM 17 964 66504
Bolognola MC 17 142 66646
Ortezzano FM 17 774 67420
Tolentino MC 18 20069 87489
Rapagnano FM 18 2145 89634
Monte Giberto FM 19 801 90435
Rotella AP 19 906 91341
Monte Vidon Combatte FM 19 433 91774
Montedinove AP 19 488 92262
Monte San Pietrangeli FM 19 2458 94720
Acquacanina MC 19 121 94841
Montalto delle Marche AP 19 2122 96963

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km NW of Teramo (54892 inhabitants)
58 Km E of Foligno (57155 inhabitants)
61 Km S of Ancona (100861 inhabitants)
81 Km N of L'Aquila (69753 inhabitants)
82 Km E of Perugia (166134 inhabitants)
84 Km NE of Terni (111501 inhabitants)
87 Km NW of Montesilvano (53738 inhabitants)
91 Km SE of Fano (60888 inhabitants)
95 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
Bulletin
Rev1000 		ML 2.0 2015-04-22
09:57:36		 43.0783 13.4037 23 2015-10-19
09:28:02		 Bollettino Sismico Italiano INGV 21316441
Reviewed
Rev100 		ML 2.1 2015-04-22
09:57:36		 43.071 13.4327 22 2015-04-22
10:07:29		 Sala Sismica INGV-Roma 18600521
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2015-04-22 09:57:36 ± 0.13
Latitude 43.0783 ± 0.0054
Longitude 13.4037 ± 0.0086
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 21316441

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 617
Semi-minor axis of confidence ellipse (meter) 479
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 243
Circular confidence region, given by single value of horizontal uncertainty (meter) 620.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 189
Number of associated phases, regardless of their use for origin computation 41
Number of defining phases 29
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.27
Epicentral distance of station closest to the epicenter (degree) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.67089
Number of stations at which the event was observed 27
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:2.0

Field Value
Value 2.0
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 21316441
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2015-09-10 07:35:19

ML:2.1

Field Value
Value 2.1
Uncertainty 0.3
Num. used stations 9
Type of magnitude ML
Reference to an origin 18600521
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2015-04-22 10:07:28
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.VOBA.HNZ. 2015-04-22T09:59:26.99 3.0 undecidable manual Sg 19.17 0
IV.QLNO.HHZ. 2015-04-22T09:59:20.99 3.0 undecidable manual Sn -0.59 0
MN.CLTB.HHZ. 2015-04-22T09:59:00.19 3.0 undecidable manual Pg 12.63 0
IV.MILZ.HHZ. 2015-04-22T09:58:53.05 3.0 undecidable manual Pg 13.33 0
MN.PDG.HHZ. 2015-04-22T09:58:43.85 3.0 negative manual Pg 12.5 0
IV.SEI.HHZ. 2015-04-22T09:58:42.99 3.0 undecidable manual Sg 12.7 0
OE.ARSA.BHZ. 2015-04-22T09:58:39.60 3.0 positive manual Pn 1.38 0
IV.T0702.EHZ. 2015-04-22T09:58:37.07 3.0 undecidable manual Pg 12.76 0
IV.SPS2.HHZ. 2015-04-22T09:58:28.44 3.0 positive manual Pn -2.34 0
IV.TDS.HHZ. 2015-04-22T09:58:28.24 3.0 undecidable manual Pn 1.87 0
IV.NDIM.HNZ. 2015-04-22T09:58:26.68 3.0 positive manual Pg 11.49 0
IV.LEOD.HNZ. 2015-04-22T09:58:25.16 3.0 positive manual Pn -0.89 0
IV.MOMA.HHZ. 2015-04-22T09:57:59.66 0.1 undecidable manual S 246 74.4699 101 0.44 83
IV.SSFR.HHZ. 2015-04-22T09:57:57.28 0.1 undecidable manual S 309 63.9915 103 0.8 72
IV.ASSB.HHZ. 2015-04-22T09:57:55.42 0.1 undecidable manual S 266 60.495 104 -0.15 89
IV.TERO.HHN. 2015-04-22T09:57:54.31 0.1 undecidable manual S 162 53.1024 106 0.65 81
IV.SMA1.EHN. 2015-04-22T09:57:53.14 0.1 undecidable manual S 186 50.0166 107 0.27 91
IV.SNTG.HHZ. 2015-04-22T09:57:51.02 0.1 undecidable manual S 298 42.3243 111 0.09 93
IV.CESI.HHZ. 2015-04-22T09:57:50.80 0.1 undecidable manual S 259 41.2254 112 0.13 94
IV.AQT1.EHZ. 2015-04-22T09:57:49.30 0.1 undecidable manual S 195 34.9428 116 0.17 95
IV.MOMA.HHZ. 2015-04-22T09:57:49.97 0.1 undecidable manual P 246 74.4699 101 0.32 85
IV.NRCA.HHZ. 2015-04-22T09:57:49.35 0.1 undecidable manual S 221 35.9418 115 -0.01 95
IV.CING.HHZ. 2015-04-22T09:57:49.60 0.1 undecidable manual S 333 37.0296 114 -0.03 95
IV.EL6.EHZ. 2015-04-22T09:57:49.94 0.1 undecidable manual S 319 37.0296 114 0.31 89
IV.SSFR.HHZ. 2015-04-22T09:57:48.13 0.1 undecidable manual P 309 63.9915 103 0.06 90
IV.LNSS.HHZ. 2015-04-22T09:57:47.36 0.1 undecidable manual P 209 60.495 104 -0.18 88
IV.ASSB.HHZ. 2015-04-22T09:57:47.50 0.1 undecidable manual P 266 60.495 104 -0.05 91
IV.FDMO.HHZ. 2015-04-22T09:57:46.81 0.1 undecidable manual S 260 26.0517 125 -0.27 92
IV.TERO.HHN. 2015-04-22T09:57:46.48 0.1 undecidable manual P 162 53.1024 106 0.04 93
IV.SMA1.EHN. 2015-04-22T09:57:45.72 0.1 undecidable manual P 186 50.0166 107 -0.26 88
IV.EL6.EHZ. 2015-04-22T09:57:44.00 0.1 undecidable manual P 319 37.0296 114 -0.12 95
IV.SNTG.HHZ. 2015-04-22T09:57:44.60 0.1 undecidable manual P 298 42.3243 111 -0.26 91
IV.CESI.HHZ. 2015-04-22T09:57:44.71 0.1 undecidable manual P 259 41.2254 112 0 95
IV.CSP1.EHZ. 2015-04-22T09:57:44.86 0.1 undecidable manual S 275 16.1727 140 -0.26 95
IV.CING.HHZ. 2015-04-22T09:57:43.85 0.1 undecidable manual P 333 37.0296 114 -0.26 93
IV.AQT1.EHZ. 2015-04-22T09:57:43.72 0.1 undecidable manual P 195 34.9428 116 -0.1 94
IV.GUMA.HHZ. 2015-04-22T09:57:43.89 0.1 undecidable manual S 253 5.7942 164 0.09 100
IV.NRCA.HHZ. 2015-04-22T09:57:43.54 0.1 positive manual P 221 35.9418 115 -0.42 88
IV.FDMO.HHZ. 2015-04-22T09:57:42.37 0.1 undecidable manual P 260 26.0517 125 -0.27 93
IV.CSP1.EHZ. 2015-04-22T09:57:41.27 0.1 undecidable manual P 275 16.1727 140 -0.24 95
IV.GUMA.HHZ. 2015-04-22T09:57:40.65 0.1 undecidable manual P 253 5.7942 164 -0.1 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.CESI.HHE. ML:1.1 0.000034 0.48 AML other m 2015-04-22T09:57:51.21
IV.CESI.HHN. ML:1.4 0.0000722 0.76 AML other m 2015-04-22T09:57:51.75
IV.CING.HHN. ML:2.0 0.00035299999999999996 0.18 AML other m 2015-04-22T09:57:49.79
IV.CING.HHE. ML:2.0 0.00031699999999999995 0.16 AML other m 2015-04-22T09:57:50.47
IV.FDMO.HHE. ML:2.2 0.0006725 0.2 AML other m 2015-04-22T09:57:46.99
IV.FDMO.HHN. ML:1.9 0.0003765 0.4 AML other m 2015-04-22T09:57:47.09
IV.GUMA.HHE. ML:2.1 0.0009670000000000001 0.32 AML other m 2015-04-22T09:57:43.92
IV.GUMA.HHN. ML:2.2 0.0011194999999999998 0.28 AML other m 2015-04-22T09:57:43.96
IV.LNSS.HHN. ML:1.5 0.00005824999999999999 0.54 AML other m 2015-04-22T09:57:58.84
IV.LNSS.HHE. ML:1.5 0.00005725 1.06 AML other m 2015-04-22T09:57:56.89
IV.NRCA.HHE. ML:2.2 0.000516 0.14 AML other m 2015-04-22T09:57:49.56
IV.NRCA.HHN. ML:2.3 0.0006575 0.12 AML other m 2015-04-22T09:57:49.60
IV.SNTG.HHN. ML:2.2 0.0003995 0.18 AML other m 2015-04-22T09:57:51.22
IV.SNTG.HHE. ML:2.0 0.00028649999999999997 0.22 AML other m 2015-04-22T09:57:51.28
IV.SSFR.HHE. ML:2.2 0.000248 0.22 AML other m 2015-04-22T09:57:58.03
IV.SSFR.HHN. ML:2.1 0.00023400000000000002 0.2 AML other m 2015-04-22T09:57:58.02
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
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Type Description Link
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QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download
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