Earthquake 13 km S San Giovanni Rotondo (FG), Magnitude ML 1.3, 16 December 2021 time 11:09:01 (Timezone Italy)

A magnitude ML 1.3 (quarry blast) earthquake occured in region: 13 km S San Giovanni Rotondo (FG), on

16-12-2021 10:09:01 (UTC)
16-12-2021 11:09:01 (UTC +01:00) Italian time

and geographic coordinates (lat, lon) 41.5940, 15.6980 at 0 km depth.

The earthquake was located by: Bollettino Sismico Italiano INGV.

Event type: quarry blast.

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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Display location by

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).

Municipality	Region	Distance (km)	Inhabitants	Cumulative Inhabitants
San Giovanni Rotondo	FG	13	27184	27184
Rignano Garganico	FG	13	2117	29301
San Marco in Lamis	FG	14	13831	43132
Manfredonia	FG	19	57279	100411
Foggia	FG	19	151991	252402

Municipalities with at least 50000 inhabitants

An earthquake occurred to

19 Km W of Manfredonia (57279 inhabitants)

19 Km NE of Foggia (151991 inhabitants)

28 Km E of San Severo (53905 inhabitants)

40 Km NW of Cerignola (58396 inhabitants)

57 Km NW of Barletta (94814 inhabitants)

64 Km NW of Andria (100440 inhabitants)

70 Km NW of Trani (56217 inhabitants)

78 Km NW of Bisceglie (55422 inhabitants)

87 Km NW of Molfetta (59874 inhabitants)

92 Km NE of Benevento (60091 inhabitants)

99 Km NW of Bitonto (55540 inhabitants)

Recent and historical seismicity

Not available maps for this sismic event.

Seismic hazard

Not available maps for this sismic event.

Shakemap

Not available maps for this sismic event.

Felt maps

Not available maps for this sismic event.

Locations history

Type	Magnitude	Date and Time (UTC)	Latitude	Longitude	Depth (km)	Published time (UTC)	Author	Location ID
Bulletin Rev1000	ML 1.3	2021-12-16 10:09:01	41.5937	15.6985	1	2022-03-30 13:04:29	Bollettino Sismico Italiano INGV	99679741
Reviewed Rev100	ML 1.3	2021-12-16 10:09:01	41.5933	15.6992	5	2021-12-16 10:26:21	Sala Sismica INGV-Roma	98582191

Preferred location and magnitude until now.

Origin information

Origin

Field	Value
Time (UTC)	2021-12-16 10:09:01 ± 0.18
Latitude	41.5937 ± 0.0099
Longitude	15.6985 ± 0.0048
Depth (km)	1 (operator assigned)
Evaluation mode of Origin	manual
Evaluation status of Origin	reviewed
Version	1000 -> BULLETIN-INGV
Event type	quarry blast
Origin ID	99679741

Uncertainty

Field	Value
Preferred uncertainty description	uncertainty ellipse
Semi-major axis of confidence ellipse (meter)	1170
Semi-minor axis of confidence ellipse (meter)	340
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi)	11
Circular confidence region, given by single value of horizontal uncertainty (meter)	1170.0
Confidence level of the uncertainty (%)	68

Quality

Field	Value
Largest azimuthal gap in station distribution as seen from epicenter (degree)	236
Number of associated phases, regardless of their use for origin computation	29
Number of defining phases	8
RMS of the travel time residuals of the arrivals used for the origin computation (sec)	0.12
Epicentral distance of station closest to the epicenter (degree)	0.00000
Epicentral distance of station farthest from the epicenter (degree)	0.19695
Number of stations at which the event was observed	27
Number of stations from which data was used for origin computation	8

Magnitudes information

ML:1.3

Field	Value
Value	1.3
Uncertainty	0.3
Num. used stations	8
Type of magnitude	ML
Reference to an origin	98582191
Agency	INGV
Autore	Sala Sismica INGV-Roma
Time of creation (UTC)	2021-12-16 10:26:21

ML:1.3

Field	Value
Value	1.3
Uncertainty	0.4
Num. used stations	10
Type of magnitude	ML
Reference to an origin	99679741
Agency	INGV
Autore	Bollettino Sismico Italiano INGV
Time of creation (UTC)	2022-03-23 09:35:13

Picking and Arrival

SCNL	Time	Uncertainty	Polarity	Evaluation_mode	Phase	Azimuth	Distance(km)	Takeoff_angle	Residual	Weight
IV.IMOL.HNZ.	2021-12-16T10:10:41.68	3.0	undecidable	manual	Sn				-0.4	0
IV.APEC.HHZ.	2021-12-16T10:10:32.99	3.0	undecidable	manual	Sg				13.48	0
IV.MAGA.HHZ.	2021-12-16T10:10:27.49	3.0	undecidable	manual	Pg				11.29	0
IV.BLLA.EHZ.	2021-12-16T10:10:21.83	3.0	undecidable	manual	Sn				-8.16	0
IV.GALF.HHZ.	2021-12-16T10:10:18.24	3.0	undecidable	manual	Sn				-6	0
MN.PDG.HHZ.	2021-12-16T10:10:17.93	3.0	undecidable	manual	Sn				-0.23	0
CR.ZAG.BHZ.	2021-12-16T10:10:16.28	3.0	undecidable	manual	Pg				14.58	0
IV.CROCE.HHZ.	2021-12-16T10:10:12.52	3.0	undecidable	manual	Pg				16.32	0
IV.JOPP.HNZ.	2021-12-16T10:10:03.21	3.0	undecidable	manual	Sn				1.29	0
IV.MCT.HHZ.	2021-12-16T10:10:01.29	3.0	undecidable	manual	Pg				13.05	0
IT.FIE.HGZ.	2021-12-16T10:09:56.39	3.0	undecidable	manual	Pn				4.32	0
IV.IMOL.HNZ.	2021-12-16T10:09:55.40	3.0	positive	manual	Pn				1.12	0
IV.PE3.EHZ.	2021-12-16T10:09:52.16	3.0	negative	manual	Pg				9.65	0
AC.PUK.HHZ.	2021-12-16T10:09:42.86	3.0	undecidable	manual	Pn				-2.46	0
IV.SACS.HHZ.	2021-12-16T10:09:39.86	3.0	undecidable	manual	Pn				0.63	0
IV.MNTT.EHZ.	2021-12-16T10:09:33.69	3.0	positive	manual	Pg				4.79	0
IV.JOPP.HNZ.	2021-12-16T10:09:30.60	3.0	undecidable	manual	Pn				-1.12	0
IV.SPS2.HHZ.	2021-12-16T10:09:28.76	3.0	undecidable	manual	Pg				4.8	0
IV.MC2.EHZ.	2021-12-16T10:09:27.73	3.0	undecidable	manual	Pn				-2.11	0
IV.PTRP.HHZ.	2021-12-16T10:09:07.17	3.0	undecidable	manual	P				-0.72	0
IV.MSAG.HHZ.	2021-12-16T10:09:06.20	0.1	undecidable	manual	P	53	21.867	91	-0.02	98
IV.SGRT.HHZ.	2021-12-16T10:09:05.34	0.1	undecidable	manual	P	12	18.2706	92	-0.15	96
OT.OT04.EHE.	2021-12-16T10:09:05.12	0.1	undecidable	manual	P	325	17.0718	92	-0.13	96
OT.OT12.EHZ.	2021-12-16T10:09:05.39	0.1	undecidable	manual	P	76	17.871	92	-0.03	98
OT.OT06.EHE.	2021-12-16T10:09:04.62	0.1	undecidable	manual	P	320	13.3755	92	0.11	97
OT.OT03.EHE.	2021-12-16T10:09:04.63	0.1	undecidable	manual	P	343	13.7751	92	0.04	99
OT.OT05.EHZ.	2021-12-16T10:09:04.00	0.1	undecidable	manual	P	312	10.7781	93	0	100
OT.OT07.EHE.	2021-12-16T10:09:02.71	0.1	undecidable	manual	P	29	3.4965	98	0.16	98
IV.MCRV.HHZ.	2021-12-16T10:08:56.92	3.0	undecidable	manual	P				-4.87	0

Station Magnitude and Amplitude

SCNL	mag	Generic_amplitude	Period	Type	Category	Unit	Time_window_reference
OT.OT05.EHN.	ML:1.6	0.0007188900499999999	0.3648	AML	other	m	2021-12-16T10:09:08.29
OT.OT05.EHE.	ML:-0.2	0.000011380000000000001	0.26	AML	other	m	2021-12-16T10:09:09.23
IV.SGRT.HHE.	ML:1.4	0.000225854795	0.3584	AML	other	m	2021-12-16T10:09:10.15
IV.SGRT.HHN.	ML:1.5	0.0003135	0.48	AML	other	m	2021-12-16T10:09:10.81
IV.MSAG.HNE.	ML:1.4	0.00017979885000000002	0.4608	AML	other	m	2021-12-16T10:09:11.11
OT.OT12.EHN.	ML:1.2	0.00013668140000000002	0.48	AML	other	m	2021-12-16T10:09:12.42
IV.MSAG.HHN.	ML:1.3	0.00015505838500000003	0.256	AML	other	m	2021-12-16T10:09:12.55
IV.MSAG.HNN.	ML:1.8	0.00044293720000000003	0.8448	AML	other	m	2021-12-16T10:09:12.55
OT.OT12.EHE.	ML:0.8	0.000061330075	0.2944	AML	other	m	2021-12-16T10:09:13.83
IV.MSAG.HHE.	ML:1.1	0.0000917	0.92	AML	other	m	2021-12-16T10:09:14.19

TDMT - Time Domain Moment Tensor

Not available TDMT solution for this seismic event.

Fault Plane solutions in the area

Not available maps for this sismic event.

Download

Type	Description	Link
QuakeML - small	Event, Origin, FocalMechanism	Download
QuakeML - full	Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude	Download

Earthquake (quarry blast) with magnitude of ML 1.3 on date 16-12-2021 and time 11:09:01 (Italy) in region 13 km S San Giovanni Rotondo (FG)

Municipalities within 20 km from the epicenter

Municipalities with at least 50000 inhabitants

Origin

Uncertainty

Quality

ML:1.3

ML:1.3