Istituto Nazionale di Geofisica e Vulcanologia

Earthquake with magnitude of ML 1.4 on date 10-05-2020 and time 13:49:29 (Italy) in region 1 km NE Premilcuore (FC)

A magnitude ML 1.4 earthquake occured in region: 1 km NE Premilcuore (FC), on

  • 10-05-2020 11:49:29 (UTC)
  • 10-05-2020 13:49:29 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.9840, 11.7890 at 9 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
Premilcuore FC 1 799 799
Portico e San Benedetto FC 5 756 1555
Rocca San Casciano FC 10 1910 3465
Galeata FC 10 2516 5981
Santa Sofia FC 10 4136 10117
Tredozio FC 11 1212 11329
Civitella di Romagna FC 12 3786 15115
San Godenzo FI 15 1167 16282
Dovadola FC 17 1653 17935
Marradi FI 17 3139 21074
Modigliana FC 19 4560 25634

Municipalities with at least 50000 inhabitants

An earthquake occurred to
33 Km SW of Forlì (117913 inhabitants)
35 Km S of Faenza (58541 inhabitants)
40 Km W of Cesena (96758 inhabitants)
42 Km S of Imola (69797 inhabitants)
49 Km E of Firenze (382808 inhabitants)
55 Km E of Scandicci (50609 inhabitants)
57 Km E of Prato (191150 inhabitants)
58 Km N of Arezzo (99543 inhabitants)
58 Km SW of Ravenna (159116 inhabitants)
63 Km W of Rimini (147750 inhabitants)
67 Km SE of Bologna (386663 inhabitants)
70 Km E of Pistoia (90315 inhabitants)
83 Km NE of Siena (53903 inhabitants)
91 Km W of Pesaro (94582 inhabitants)
96 Km S of Ferrara (133155 inhabitants)
100 Km W 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 1.4 2020-05-10
11:49:29		 43.984 11.7888 9 2020-11-19
12:36:45		 Bollettino Sismico Italiano INGV 79397661
Reviewed
Rev100 		ML 1.4 2020-05-10
11:49:29		 43.9828 11.7865 9 2020-05-10
12:00:14		 Sala Sismica INGV-Roma 79011251
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2020-05-10 11:49:29 ± 0.09
Latitude 43.9840 ± 0.0036
Longitude 11.7888 ± 0.0075
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 1000 -> BULLETIN-INGV
Event type earthquake
Origin ID 79397661

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 592
Semi-minor axis of confidence ellipse (meter) 213
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 73
Circular confidence region, given by single value of horizontal uncertainty (meter) 590.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 156
Number of associated phases, regardless of their use for origin computation 20
Number of defining phases 20
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.24
Epicentral distance of station closest to the epicenter (degree) 0.08993
Epicentral distance of station farthest from the epicenter (degree) 0.50272
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitudes information

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 79397661
Agency INGV
Autore Bollettino Sismico Italiano INGV
Time of creation (UTC) 2020-08-10 01:06:04

ML:1.4

Field Value
Value 1.4
Uncertainty 0.3
Num. used stations 20
Type of magnitude ML
Reference to an origin 79011251
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2020-05-10 12:00:14
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.MPPT.EHZ. 2020-05-10T11:49:47.69 0.6 undecidable manual S 267 55.7997 50 0.57 41
IV.CRE.HHZ. 2020-05-10T11:49:43.72 0.6 undecidable manual S 162 42.5241 50 0.14 46
IV.VISG.HHZ. 2020-05-10T11:49:42.04 0.6 undecidable manual S 309 36.2415 50 0.14 47
IV.SEI.HHZ. 2020-05-10T11:49:41.51 0.6 undecidable manual S 283 35.2425 50 -0.1 47
IV.MPPT.EHZ. 2020-05-10T11:49:39.64 0.1 undecidable manual P 267 55.7997 50 0.05 92
IV.BRIS.HHZ. 2020-05-10T11:49:39.78 0.3 undecidable manual S 356 26.751 109 0.69 61
IV.RONT.HHZ. 2020-05-10T11:49:39.90 0.6 undecidable manual S 272 28.4493 108 0.25 46
IV.ASQU.HHZ. 2020-05-10T11:49:37.46 0.3 undecidable manual S 180 20.7681 113 0.3 69
IV.CRE.HHZ. 2020-05-10T11:49:37.28 0.3 undecidable manual P 162 42.5241 50 -0.26 67
IV.RINC.HHZ. 2020-05-10T11:49:36.28 0.3 undecidable manual S 233 18.0708 116 -0.04 74
IV.SEI.HHZ. 2020-05-10T11:49:36.12 0.1 undecidable manual P 283 35.2425 50 -0.29 91
IV.VISG.HHZ. 2020-05-10T11:49:36.26 0.3 undecidable manual P 309 36.2415 50 -0.31 67
IV.RONT.HHZ. 2020-05-10T11:49:35.17 0.3 undecidable manual P 272 28.4493 108 -0.1 71
IV.BRIS.HHZ. 2020-05-10T11:49:35.09 0.1 undecidable manual P 356 26.751 109 0.14 95
IV.LMD.HHZ. 2020-05-10T11:49:34.20 0.3 undecidable manual S 328 12.2766 126 -0.38 69
IV.RINC.HHZ. 2020-05-10T11:49:33.43 0.1 positive manual P 233 18.0708 116 0.08 97
IV.SFI.EHZ. 2020-05-10T11:49:33.85 0.3 undecidable manual S 152 9.9789 132 -0.1 74
IV.ASQU.HHZ. 2020-05-10T11:49:33.85 0.1 positive manual P 180 20.7681 113 0.01 98
IV.LMD.HHZ. 2020-05-10T11:49:32.09 0.1 positive manual P 328 12.2766 126 -0.26 95
IV.SFI.EHZ. 2020-05-10T11:49:31.97 0.1 undecidable manual P 152 9.9789 132 -0.02 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.SFI.EHE. ML:1.3 0.000293 1.88 AML other m 2020-05-10T11:49:34.99
IV.LMD.HHN. ML:1.5 0.000347 0.34 AML other m 2020-05-10T11:49:34.33
IV.LMD.HHE. ML:1.5 0.0003505 0.68 AML other m 2020-05-10T11:49:34.39
IV.SFI.EHN. ML:1.3 0.0002605 0.62 AML other m 2020-05-10T11:49:34.42
IV.ASQU.HHE. ML:1.3 0.0001575 0.22 AML other m 2020-05-10T11:49:37.68
IV.ASQU.HHN. ML:1.1 0.0000988 0.4 AML other m 2020-05-10T11:49:37.81
IV.RINC.HHE. ML:1.0 0.0000837 1.56 AML other m 2020-05-10T11:49:38.82
IV.RINC.HHN. ML:1.1 0.0001021 1.42 AML other m 2020-05-10T11:49:39.24
IV.BRIS.HHE. ML:1.7 0.00029099999999999997 0.32 AML other m 2020-05-10T11:49:40.05
IV.BRIS.HHN. ML:1.6 0.0002505 0.42 AML other m 2020-05-10T11:49:40.36
IV.RONT.HHE. ML:1.8 0.00033199999999999994 0.28 AML other m 2020-05-10T11:49:40.82
IV.RONT.HHN. ML:1.7 0.0002585 0.18 AML other m 2020-05-10T11:49:40.93
IV.SEI.HHE. ML:1.6 0.00017749999999999998 0.26 AML other m 2020-05-10T11:49:42.26
IV.SEI.HHN. ML:1.8 0.00027800000000000004 0.18 AML other m 2020-05-10T11:49:42.46
IV.VISG.HHN. ML:1.1 0.00004385 1.06 AML other m 2020-05-10T11:49:42.68
IV.VISG.HHE. ML:0.9 0.0000322 0.36 AML other m 2020-05-10T11:49:43.17
IV.CRE.HHN. ML:1.4 0.00008044999999999999 1.6 AML other m 2020-05-10T11:49:44.18
IV.CRE.HHE. ML:1.1 0.000039 0.22 AML other m 2020-05-10T11:49:44.74
IV.MPPT.EHN. ML:1.3 0.00004825 1.2 AML other m 2020-05-10T11:49:48.33
IV.MPPT.EHE. ML:1.0 0.0000214 1.48 AML other m 2020-05-10T11:49:49.86
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