Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.6 on date 05-02-2020 and time 00:13:32 (Italy) in region 3 km NE Sant'Angelo in Pontano (MC)

A magnitude ML 1.6 earthquake occured in region: 3 km NE Sant'Angelo in Pontano (MC), on

  • 04-02-2020 23:13:32 (UTC)
  • 05-02-2020 00:13:32 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 43.1160, 13.4240 at 24 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
Falerone FM 4 3337 4773
Montappone FM 4 1682 6455
Monte Vidon Corrado FM 5 731 7186
Ripe San Ginesio MC 6 852 8038
Loro Piceno MC 6 2401 10439
Massa Fermana FM 6 963 11402
Penna San Giovanni MC 7 1108 12510
Servigliano FM 7 2336 14846
Colmurano MC 8 1263 16109
Gualdo MC 9 815 16924
San Ginesio MC 9 3498 20422
Mogliano MC 9 4696 25118
Monte San Martino MC 9 765 25883
Montegiorgio FM 9 6851 32734
Belmonte Piceno FM 10 646 33380
Urbisaglia MC 10 2628 36008
Monteleone di Fermo FM 11 395 36403
Monsampietro Morico FM 12 659 37062
Santa Vittoria in Matenano FM 12 1330 38392
Petriolo MC 12 1998 40390
Smerillo FM 13 365 40755
Francavilla d'Ete FM 13 964 41719
Camporotondo di Fiastrone MC 13 563 42282
Sarnano MC 13 3264 45546
Cessapalombo MC 13 512 46058
Magliano di Tenna FM 14 1452 47510
Montelparo FM 14 778 48288
Grottazzolina FM 14 3398 51686
Montottone FM 14 979 52665
Montefalcone Appennino FM 15 424 53089
Rapagnano FM 15 2145 55234
Tolentino MC 15 20069 75303
Monte San Pietrangeli FM 15 2458 77761
Monte Rinaldo FM 16 379 78140
Belforte del Chienti MC 16 1886 80026
Amandola FM 16 3629 83655
Caldarola MC 16 1823 85478
Corridonia MC 16 15430 100908
Torre San Patrizio FM 17 2048 102956
Monte Giberto FM 17 801 103757
Comunanza AP 18 3166 106923
Ortezzano FM 18 774 107697
Force AP 18 1354 109051
Pollenza MC 18 6618 115669
Monte Vidon Combatte FM 18 433 116102
Ponzano di Fermo FM 19 1674 117776
Monte San Giusto MC 19 8191 125967
Petritoli FM 20 2335 128302

Municipalities with at least 50000 inhabitants

An earthquake occurred to
56 Km NW of Teramo (54892 inhabitants)
56 Km S of Ancona (100861 inhabitants)
61 Km E of Foligno (57155 inhabitants)
84 Km E of Perugia (166134 inhabitants)
85 Km N of L'Aquila (69753 inhabitants)
87 Km SE of Fano (60888 inhabitants)
88 Km NE of Terni (111501 inhabitants)
89 Km NW of Montesilvano (53738 inhabitants)
97 Km NW of Pescara (121014 inhabitants)
98 Km SE of Pesaro (94582 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 1.6 2020-02-04
23:13:32		 43.1162 13.4242 24 2020-07-18
21:08:31		 Bollettino Sismico Italiano INGV 77986611
Reviewed
Rev100 		ML 1.8 2020-02-04
23:13:31		 43.131 13.4135 24 2020-02-04
23:21:20		 Sala Sismica INGV-Roma 76218501
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-02-04 23:13:32 ± 0.15
Latitude 43.1162 ± 0.0072
Longitude 13.4242 ± 0.0074
Depth (km) 24 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 77986611

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 716
Semi-minor axis of confidence ellipse (meter) 390
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 207
Circular confidence region, given by single value of horizontal uncertainty (meter) 720.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 99
Number of associated phases, regardless of their use for origin computation 28
Number of defining phases 28
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.26
Epicentral distance of station closest to the epicenter (degree) 0.02698
Epicentral distance of station farthest from the epicenter (degree) 0.51891
Number of stations at which the event was observed 15
Number of stations from which data was used for origin computation 15
Magnitudes information

ML:1.6

Field Value
Value 1.6
Uncertainty 0.3
Num. used stations 12
Type of magnitude ML
Reference to an origin 77986611
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-04-20 18:22:16

ML:1.8

Field Value
Value 1.8
Uncertainty 0.3
Num. used stations 8
Type of magnitude ML
Reference to an origin 76218501
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-02-04 23:21:20
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.CESI.HHE. 2020-02-04T23:13:47.66 0.3 undecidable manual S 254 43.9227 111 0.7 59
IV.NRCA.HHZ. 2020-02-04T23:13:46.17 0.3 undecidable manual S 219 40.2264 113 0.14 70
IV.SNTG.HHE. 2020-02-04T23:13:46.93 0.3 undecidable manual S 292 42.0246 112 0.44 66
IV.MML1.HNE. 2020-02-04T23:13:45.66 0.3 undecidable manual S 270 36.6411 116 0.48 66
IV.EL6.EHZ. 2020-02-04T23:13:45.15 0.6 undecidable manual S 312 35.2425 117 0.32 46
IV.FDMO.HHZ. 2020-02-04T23:13:43.34 0.3 undecidable manual S 252 28.6491 123 0.02 73
IV.ARVD.HHE. 2020-02-04T23:13:42.94 0.6 undecidable manual P 318 57.5979 105 0.24 45
IV.MMO1.EHZ. 2020-02-04T23:13:42.53 0.3 undecidable manual S 198 25.3524 127 -0.05 75
IV.CSP1.EHZ. 2020-02-04T23:13:41.12 0.3 undecidable manual S 261 17.9709 138 -0.01 76
IV.MNTT.EHZ. 2020-02-04T23:13:41.41 0.6 undecidable manual S 113 15.1737 143 0.76 42
IV.NRCA.HHZ. 2020-02-04T23:13:40.05 0.1 undecidable manual P 219 40.2264 113 -0.12 96
IV.PF6.EHZ. 2020-02-04T23:13:40.92 0.3 undecidable manual S 277 18.7701 136 -0.35 71
IV.SNTG.HHE. 2020-02-04T23:13:40.30 0.1 positive manual P 292 42.0246 112 -0.14 94
IV.CESI.HHE. 2020-02-04T23:13:40.71 0.3 undecidable manual P 254 43.9227 111 0.02 72
IV.OFFI.HHE. 2020-02-04T23:13:39.32 0.6 undecidable manual P 133 29.2485 122 0.65 42
IV.MNTP.HNZ. 2020-02-04T23:13:39.41 0.6 undecidable manual S 57 4.3956 168 -0.03 51
IV.GUMA.HHZ. 2020-02-04T23:13:39.78 0.6 undecidable manual S 231 9.2796 156 -0.07 51
IV.EL6.EHZ. 2020-02-04T23:13:39.31 0.1 undecidable manual P 312 35.2425 117 -0.16 95
IV.MML1.HNE. 2020-02-04T23:13:39.55 0.1 undecidable manual P 270 36.6411 116 -0.12 96
IV.SAP2.EHZ. 2020-02-04T23:13:39.13 0.3 undecidable manual S 223 2.997 172 -0.24 74
IV.FDMO.HHZ. 2020-02-04T23:13:38.34 0.1 undecidable manual P 252 28.6491 123 -0.25 95
IV.CSP1.EHZ. 2020-02-04T23:13:37.11 0.1 positive manual P 261 17.9709 138 -0.22 97
IV.MNTT.EHZ. 2020-02-04T23:13:37.24 0.1 negative manual P 113 15.1737 143 0.19 99
IV.MMO1.EHZ. 2020-02-04T23:13:37.93 0.3 undecidable manual P 198 25.3524 127 -0.24 72
IV.PF6.EHZ. 2020-02-04T23:13:37.04 0.1 positive manual P 277 18.7701 136 -0.38 94
IV.SAP2.EHZ. 2020-02-04T23:13:36.14 0.1 positive manual P 223 2.997 172 -0.18 100
IV.MNTP.HNZ. 2020-02-04T23:13:36.48 0.3 undecidable manual P 57 4.3956 168 0.12 76
IV.GUMA.HHZ. 2020-02-04T23:13:36.44 0.1 positive manual P 231 9.2796 156 -0.16 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SAP2.EHN. ML:2.2 0.0010543442 0.1408 AML other m 2020-02-04T23:13:39.50
IV.SAP2.EHE. ML:1.7 0.00036982835 0.1792 AML other m 2020-02-04T23:13:39.67
IV.CSP1.EHE. ML:1.1 0.00006461225 0.8832 AML other m 2020-02-04T23:13:41.56
IV.MNTT.EHE. ML:1.6 0.00023778155 0.3712 AML other m 2020-02-04T23:13:42.62
IV.FDMO.HHE. ML:1.1 0.000053314039999999994 0.1408 AML other m 2020-02-04T23:13:43.49
IV.MNTT.EHN. ML:1.6 0.00021165394999999999 0.4992 AML other m 2020-02-04T23:13:43.92
IV.FDMO.HHN. ML:1.0 0.00003918409 0.1152 AML other m 2020-02-04T23:13:44.17
IV.CSP1.EHN. ML:1.4 0.0001378617 3.4816 AML other m 2020-02-04T23:13:44.86
IV.NRCA.HHE. ML:1.9 0.0002522345 0.1408 AML other m 2020-02-04T23:13:46.44
IV.NRCA.HNE. ML:1.9 0.00025481085 0.1408 AML other m 2020-02-04T23:13:46.44
IV.NRCA.HHN. ML:1.5 0.00008547495500000001 0.1664 AML other m 2020-02-04T23:13:46.50
IV.NRCA.HNN. ML:1.9 0.0002234444 0.9216 AML other m 2020-02-04T23:13:49.61
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