Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 01-04-2020 and time 07:49:30 (Italy) in region 2 km S Loro Piceno (MC)

A magnitude ML 1.4 earthquake occured in region: 2 km S Loro Piceno (MC), on

  • 01-04-2020 05:49:30 (UTC)
  • 01-04-2020 07:49:30 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.1460, 13.4220 at 19 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
Loro Piceno MC 2 2401 2401
Montappone FM 4 1682 4083
Massa Fermana FM 4 963 5046
Ripe San Ginesio MC 4 852 5898
Sant'Angelo in Pontano MC 6 1436 7334
Colmurano MC 6 1263 8597
Monte Vidon Corrado FM 6 731 9328
Falerone FM 6 3337 12665
Mogliano MC 7 4696 17361
Urbisaglia MC 7 2628 19989
Petriolo MC 9 1998 21987
Servigliano FM 9 2336 24323
San Ginesio MC 10 3498 27821
Montegiorgio FM 10 6851 34672
Penna San Giovanni MC 10 1108 35780
Francavilla d'Ete FM 11 964 36744
Gualdo MC 11 815 37559
Belmonte Piceno FM 11 646 38205
Camporotondo di Fiastrone MC 13 563 38768
Monte San Martino MC 13 765 39533
Tolentino MC 13 20069 59602
Corridonia MC 13 15430 75032
Magliano di Tenna FM 13 1452 76484
Cessapalombo MC 14 512 76996
Monte San Pietrangeli FM 14 2458 79454
Monsampietro Morico FM 14 659 80113
Monteleone di Fermo FM 14 395 80508
Rapagnano FM 14 2145 82653
Pollenza MC 15 6618 89271
Belforte del Chienti MC 15 1886 91157
Grottazzolina FM 15 3398 94555
Santa Vittoria in Matenano FM 15 1330 95885
Torre San Patrizio FM 16 2048 97933
Sarnano MC 16 3264 101197
Smerillo FM 16 365 101562
Caldarola MC 16 1823 103385
Montottone FM 16 979 104364
Montelparo FM 17 778 105142
Monte San Giusto MC 17 8191 113333
Macerata MC 17 42473 155806
Montefalcone Appennino FM 18 424 156230
Monte Giberto FM 18 801 157031
Monte Rinaldo FM 18 379 157410
Serrapetrona MC 19 966 158376
Amandola FM 19 3629 162005
Ortezzano FM 20 774 162779
Montegranaro FM 20 12990 175769
Ponzano di Fermo FM 20 1674 177443

Municipalities with at least 50000 inhabitants

An earthquake occurred to
53 Km S of Ancona (100861 inhabitants)
59 Km NW of Teramo (54892 inhabitants)
62 Km E of Foligno (57155 inhabitants)
84 Km E of Perugia (166134 inhabitants)
84 Km SE of Fano (60888 inhabitants)
88 Km N of L'Aquila (69753 inhabitants)
91 Km NE of Terni (111501 inhabitants)
92 Km NW of Montesilvano (53738 inhabitants)
94 Km SE of Pesaro (94582 inhabitants)
100 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 1.4 2020-04-01
05:49:30		 43.1465 13.4223 19 2020-07-18
21:08:34		 Bollettino Sismico Italiano INGV 78495591
Reviewed
Rev100 		ML 1.5 2020-04-01
05:49:29		 43.2028 13.4192 20 2020-04-01
06:04:46		 Sala Sismica INGV-Roma 77748281
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-04-01 05:49:30 ± 0.16
Latitude 43.1465 ± 0.0063
Longitude 13.4223 ± 0.0111
Depth (km) 19 ± 2 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 78495591

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 883
Semi-minor axis of confidence ellipse (meter) 209
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 67
Circular confidence region, given by single value of horizontal uncertainty (meter) 880.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 160
Number of associated phases, regardless of their use for origin computation 21
Number of defining phases 21
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) 0.05306
Epicentral distance of station farthest from the epicenter (degree) 0.51981
Number of stations at which the event was observed 11
Number of stations from which data was used for origin computation 11
Magnitudes information

ML:1.5

Field Value
Value 1.5
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 77748281
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-04-01 06:04:46

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 2
Type of magnitude ML
Reference to an origin 78495591
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-05-23 15:32:45
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SMA1.EHN. 2020-04-01T05:49:48.70 0.6 undecidable manual S 187 57.6978 100 0.41 46
IV.NRCA.HHZ. 2020-04-01T05:49:45.23 0.6 undecidable manual S 216 42.8238 104 0.83 41
IV.EL6.EHE. 2020-04-01T05:49:42.73 0.6 undecidable manual S 308 32.9448 110 0.86 40
IV.FDMO.HHZ. 2020-04-01T05:49:41.10 0.6 undecidable manual S 246 29.748 112 0.01 52
IV.CING.HNZ. 2020-04-01T05:49:41.60 0.6 undecidable manual S 324 31.3464 111 0.12 50
IV.MMO1.EHZ. 2020-04-01T05:49:40.39 0.6 undecidable manual S 196 28.4493 114 -0.38 48
IV.SMA1.EHN. 2020-04-01T05:49:40.49 0.6 undecidable manual P 187 57.6978 100 -0.18 47
IV.PF6.EHN. 2020-04-01T05:49:38.15 0.6 undecidable manual S 267 18.4704 128 -0.31 50
IV.NRCA.HHZ. 2020-04-01T05:49:38.54 0.3 undecidable manual P 216 42.8238 104 0.12 75
IV.MF5.EHN. 2020-04-01T05:49:38.34 0.6 undecidable manual S 170 17.871 129 0 53
IV.CSP1.EHZ. 2020-04-01T05:49:38.35 0.6 undecidable manual S 251 18.6702 127 -0.15 51
IV.EL6.EHE. 2020-04-01T05:49:37.14 0.3 undecidable manual P 308 32.9448 110 0.18 75
IV.FDMO.HHZ. 2020-04-01T05:49:36.25 0.6 undecidable manual P 246 29.748 112 -0.26 49
IV.SAP2.EHZ. 2020-04-01T05:49:36.74 0.6 undecidable manual S 199 5.8941 160 0.32 50
IV.CING.HNZ. 2020-04-01T05:49:36.53 0.1 undecidable manual P 324 31.3464 111 -0.21 100
IV.MMO1.EHZ. 2020-04-01T05:49:36.53 0.6 undecidable manual P 196 28.4493 114 0.2 50
IV.MNTT.EHZ. 2020-04-01T05:49:35.07 0.3 undecidable manual P 124 16.872 131 0.27 75
IV.CSP1.EHZ. 2020-04-01T05:49:34.76 0.3 undecidable manual P 251 18.6702 127 -0.26 75
IV.PF6.EHN. 2020-04-01T05:49:34.71 0.1 undecidable manual P 267 18.4704 128 -0.29 100
IV.MF5.EHN. 2020-04-01T05:49:34.63 0.3 undecidable manual P 170 17.871 129 -0.29 75
IV.SAP2.EHZ. 2020-04-01T05:49:33.45 0.6 undecidable manual P 199 5.8941 160 -0.37 51
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SAP2.EHE. ML:1.2 0.00015172635000000001 0.4608 AML other m 2020-04-01T05:49:36.12
IV.SAP2.EHN. ML:1.6 0.0003730648 0.56 AML other m 2020-04-01T05:49:36.67
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