Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.2 on date 04-05-2020 and time 14:54:39 (Italy) in region 4 km W Amandola (FM)

A magnitude ML 1.2 earthquake occured in region: 4 km W Amandola (FM), on

  • 04-05-2020 12:54:39 (UTC)
  • 04-05-2020 14:54:39 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 42.9870, 13.3030 at 13 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

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
Amandola FM 4 3629 3629
Sarnano MC 6 3264 6893
Montefortino FM 6 1178 8071
Bolognola MC 6 142 8213
Gualdo MC 10 815 9028
Comunanza AP 10 3166 12194
Montemonaco AP 10 604 12798
Acquacanina MC 12 121 12919
Smerillo FM 12 365 13284
Monte San Martino MC 12 765 14049
Penna San Giovanni MC 13 1108 15157
Montefalcone Appennino FM 13 424 15581
Fiastra MC 13 559 16140
San Ginesio MC 14 3498 19638
Ussita MC 14 444 20082
Cessapalombo MC 14 512 20594
Sant'Angelo in Pontano MC 15 1436 22030
Force AP 16 1354 23384
Castelsantangelo sul Nera MC 16 281 23665
Palmiano AP 16 196 23861
Montegallo AP 16 523 24384
Santa Vittoria in Matenano FM 16 1330 25714
Camporotondo di Fiastrone MC 17 563 26277
Caldarola MC 18 1823 28100
Fiordimonte MC 18 202 28302
Ripe San Ginesio MC 18 852 29154
Visso MC 19 1107 30261
Servigliano FM 19 2336 32597
Montelparo FM 19 778 33375
Venarotta AP 19 2066 35441
Falerone FM 20 3337 38778
Pievebovigliana MC 20 866 39644
Monteleone di Fermo FM 20 395 40039
Roccafluvione AP 20 2010 42049

Municipalities with at least 50000 inhabitants

An earthquake occurred to
49 Km E of Foligno (57155 inhabitants)
49 Km NW of Teramo (54892 inhabitants)
71 Km N of L'Aquila (69753 inhabitants)
71 Km NE of Terni (111501 inhabitants)
72 Km S of Ancona (100861 inhabitants)
76 Km E of Perugia (166134 inhabitants)
87 Km NW of Montesilvano (53738 inhabitants)
94 Km NW of Pescara (121014 inhabitants)
98 Km S of Fano (60888 inhabitants)
100 Km NW of Chieti (51815 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
Reviewed
Rev100 		ML 1.2 2020-05-04
12:54:39		 42.9868 13.3032 13 2020-05-04
13:03:31		 Sala Sismica INGV-Roma 78835291
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-04 12:54:39 ± 0.06
Latitude 42.9868 ± 0.0027
Longitude 13.3032 ± 0.0037
Depth (km) 13 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 78835291

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 270
Semi-minor axis of confidence ellipse (meter) 141
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 21
Circular confidence region, given by single value of horizontal uncertainty (meter) 270.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 60
Number of associated phases, regardless of their use for origin computation 35
Number of defining phases 34
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) 0.00000
Epicentral distance of station farthest from the epicenter (degree) 0.42538
Number of stations at which the event was observed 18
Number of stations from which data was used for origin computation 17
Magnitude information

ML:1.2

Field Value
Value 1.2
Uncertainty 0.3
Num. used stations 16
Type of magnitude ML
Reference to an origin 78835291
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-04 13:03:31
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.PE3.EHZ. 2020-05-04T12:54:55.76 3.0 positive manual P -1.2 0
IV.TERO.HHZ. 2020-05-04T12:54:54.38 0.3 undecidable manual S 149 47.2194 92 0.27 67
IV.SNTG.HHZ. 2020-05-04T12:54:53.01 0.3 undecidable manual S 316 41.8248 93 0.35 67
IV.EL6.EHZ. 2020-05-04T12:54:52.68 0.3 undecidable manual S 337 41.3253 93 0.14 70
IV.CESI.HHZ. 2020-05-04T12:54:50.29 0.3 undecidable manual S 274 32.3454 94 0.14 72
IV.MML1.HNZ. 2020-05-04T12:54:49.92 0.3 undecidable manual S 298 30.3474 95 0.32 69
IV.MTRA.EHZ. 2020-05-04T12:54:48.56 0.3 undecidable manual S 163 26.6511 96 -0.06 74
IV.MNTT.EHZ. 2020-05-04T12:54:48.26 0.3 undecidable manual S 71 25.1526 97 0.03 74
IV.NRCA.HHZ. 2020-05-04T12:54:47.53 0.3 undecidable manual S 222 22.8549 98 -0.1 73
IV.FEMA.HNZ. 2020-05-04T12:54:47.36 0.3 undecidable manual S 262 20.7681 100 0.29 71
IV.TERO.HHZ. 2020-05-04T12:54:47.61 0.3 undecidable manual P 149 47.2194 92 -0.13 70
IV.EL6.EHZ. 2020-05-04T12:54:46.58 0.3 undecidable manual P 337 41.3253 93 -0.25 69
IV.FDMO.HHZ. 2020-05-04T12:54:46.35 0.3 undecidable manual S 288 18.3705 104 -0.09 74
IV.SNTG.HHZ. 2020-05-04T12:54:46.85 0.1 undecidable manual P 316 41.8248 93 -0.05 95
IV.PF6.EHZ. 2020-05-04T12:54:46.24 0.3 undecidable manual S 332 18.9699 103 -0.35 70
IV.SAP2.EHZ. 2020-05-04T12:54:45.56 0.3 undecidable manual S 33 14.4744 113 0.1 74
IV.MML1.HNZ. 2020-05-04T12:54:45.12 0.3 undecidable manual P 298 30.3474 95 -0.01 74
IV.CESI.HHZ. 2020-05-04T12:54:45.50 0.3 undecidable manual P 274 32.3454 94 0.05 73
IV.MF5.EHZ. 2020-05-04T12:54:45.18 0.3 undecidable manual S 89 12.6762 119 0.14 74
IV.CSP1.EHZ. 2020-05-04T12:54:45.21 0.3 undecidable manual S 326 14.0748 114 -0.16 73
IV.MC2.EHZ. 2020-05-04T12:54:45.37 0.3 undecidable manual S 228 12.4764 120 0.39 70
IV.MMO1.EHZ. 2020-05-04T12:54:44.18 0.1 undecidable manual S 169 9.879 130 -0.24 97
IV.MTRA.EHZ. 2020-05-04T12:54:44.20 0.3 undecidable manual P 163 26.6511 96 -0.37 69
IV.GUMA.HHZ. 2020-05-04T12:54:44.17 0.3 undecidable manual S 17 8.7801 134 -0.03 76
IV.MNTT.EHZ. 2020-05-04T12:54:44.72 0.3 undecidable manual P 71 25.1526 97 0.38 69
IV.PF6.EHZ. 2020-05-04T12:54:43.12 0.3 undecidable manual P 332 18.9699 103 -0.28 71
IV.NRCA.HHZ. 2020-05-04T12:54:43.32 0.6 undecidable manual P 222 22.8549 98 -0.68 42
IV.FEMA.HNZ. 2020-05-04T12:54:43.75 0.3 undecidable manual P 262 20.7681 100 0.08 74
IV.FDMO.HHZ. 2020-05-04T12:54:43.30 0.3 undecidable manual P 288 18.3705 104 -0.01 75
IV.MC2.EHZ. 2020-05-04T12:54:42.73 0.1 undecidable manual P 228 12.4764 120 0.26 96
IV.SAP2.EHZ. 2020-05-04T12:54:42.65 0.3 undecidable manual P 33 14.4744 113 -0.09 75
IV.MMO1.EHZ. 2020-05-04T12:54:42.03 0.1 undecidable manual P 169 9.879 130 -0.11 100
IV.MF5.EHZ. 2020-05-04T12:54:42.57 0.1 undecidable manual P 89 12.6762 119 0.07 100
IV.CSP1.EHZ. 2020-05-04T12:54:42.63 0.1 undecidable manual P 326 14.0748 114 -0.06 100
IV.GUMA.HHZ. 2020-05-04T12:54:41.99 0.3 undecidable manual P 17 8.7801 134 -0.03 76
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.GUMA.HNN. ML:1.5 0.00039749999999999996 0.26 AML other m 2020-05-04T12:54:44.25
IV.GUMA.HNE. ML:1.5 0.0003855 0.36 AML other m 2020-05-04T12:54:44.43
IV.GUMA.HHE. ML:1.6 0.0005164999999999999 0.38 AML other m 2020-05-04T12:54:44.25
IV.GUMA.HHN. ML:1.3 0.00023899999999999998 0.36 AML other m 2020-05-04T12:54:44.74
IV.CSP1.EHN. ML:1.1 0.0001066 0.32 AML other m 2020-05-04T12:54:45.49
IV.CSP1.EHE. ML:1.2 0.00013165 0.42 AML other m 2020-05-04T12:54:45.45
IV.FDMO.HHE. ML:1.0 0.0000675 0.2 AML other m 2020-05-04T12:54:46.63
IV.FDMO.HHN. ML:0.9 0.000067 0.34 AML other m 2020-05-04T12:54:46.81
IV.NRCA.HHN. ML:1.5 0.000176 0.16 AML other m 2020-05-04T12:54:48.44
IV.NRCA.HHE. ML:1.6 0.000259 0.46 AML other m 2020-05-04T12:54:48.57
IV.SNTG.HHE. ML:0.9 0.00002735 0.12 AML other m 2020-05-04T12:54:53.12
IV.SNTG.HHN. ML:0.9 0.00002325 0.66 AML other m 2020-05-04T12:54:53.62
IV.EL6.EHN. ML:1.2 0.00005485 0.84 AML other m 2020-05-04T12:54:53.47
IV.TERO.HHE. ML:1.0 0.000030900000000000006 0.84 AML other m 2020-05-04T12:54:55.14
IV.EL6.EHE. ML:1.1 0.0000466 0.6 AML other m 2020-05-04T12:54:55.18
IV.TERO.HHN. ML:1.0 0.000029400000000000003 0.68 AML other m 2020-05-04T12:54:55.23
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