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Mag. 1.6 quake - Philippine Sea, 22 km south of San Francisco, Quezon, Calabarzon, Philippines, on Monday, Nov 27, 2023, at 10:24 pm (Manila time) -

A light magnitude 1.6 earthquake occurred under the sea near the coast of Calabarzon,  Philippines, late in the evening of Monday, Nov 27, 2023 at 10.24 pm local time (Asia/Manila GMT +8). The quake had a very shallow depth of 23 km (14 mi) and was too small to be felt by people.

Mag. 1.6 quake - Philippine Sea, 22 km south of San Francisco, Quezon, Calabarzon, Philippines, on Monday, Nov 27, 2023, at 10:24 pm (Manila time) Mag. 1.6 quake - Philippine Sea, 22 km south of San Francisco, Quezon, Calabarzon, Philippines, on Monday, Nov 27, 2023, at 10:24 pm (Manila time)

Minor magnitude 1.6 earthquake at 23 km depth

27 Nov 14:35 UTC: First to report: PHIVOLCS after 12 minutes.

Earthquake details

Date & timeNov 27, 2023 14:24:00 UTC -
Local time at epicenterMonday, Nov 27, 2023, at 10:24 pm (Asia/Manila GMT +8)
StatusPreliminary (automatic detection)
Magnitude1.6
Depth23.0 km
Epicenter latitude / longitude13.16°N / 122.57°E Quezon, Calabarzon, Philippines
Seismic antipode13.16°S / 57.43°W
Shaking intensityNot felt
Primary data sourcePHIVOLCS (Philippine Institute of Volcanology and Seismology)
Nearest volcanoIriga (102 km / 63 mi)
Weather at epicenter at time of quakeOvercast Clouds 27°C (81 F), humidity: 85%, wind: 4 m/s (8 kts) from NE
Estimated seismic energy released1.6 x 107 joules (4.4 kilowatt hours) | about seismic energy
Interactive map
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Nearby places

The closest larger town near the epicenter is Pansoy, a town with 5,700 inhabitants in the Philippines, in 4 km (2.5 mi) distance to the northeast, but it is unlikely that the quake was felt there.
Distance Place Max. shaking intensity(*) Region Country
4 km (3 mi)
NE of epicenter
Pansoy
(pop: 5,730)
I: Not felt
Quezon, Calabarzon
7 km (4 mi)
NW of epicenter
Pagsañgahan
(pop: 13,600)
I: Not felt
Quezon, Calabarzon
22 km (13 mi)
N of epicenter
San Francisco
(pop: 16,200)
: Not felt
Quezon, Calabarzon
24 km (15 mi)
NE of epicenter
Camp Flora
(pop: 6,150)
: Not felt
Quezon, Calabarzon
44 km (27 mi)
NW of epicenter
Mulanay
(pop: 7,640)
: Not felt
Quezon, Calabarzon
44 km (27 mi)
E of epicenter
San Pascual
(pop: 5,940)
: Not felt
Province of Masbate, Bicol
45 km (28 mi)
N of epicenter
San Narciso
(pop: 11,100)
: Not felt
Quezon, Calabarzon
52 km (33 mi)
N of epicenter
Cambuga
(pop: 6,430)
: Not felt
Quezon, Calabarzon
55 km (34 mi)
NW of epicenter
Catanauan
(pop: 26,800)
: Not felt
Quezon, Calabarzon
64 km (40 mi)
NE of epicenter
Pasacao
(pop: 10,500)
: Not felt
Province of Camarines Sur, Bicol
68 km (43 mi)
NW of epicenter
Santa Cruz
(pop: 9,860)
: Not felt
Province of Marinduque, Mimaropa
73 km (45 mi)
SW of epicenter
Romblon
(pop: 15,300)
: Not felt
Mimaropa
73 km (45 mi)
NW of epicenter
General Luna
(pop: 9,180)
: Not felt
Quezon, Calabarzon
76 km (47 mi)
NE of epicenter
Antipolo
(pop: 5,020)
: Not felt
Province of Camarines Sur, Bicol
77 km (48 mi)
NW of epicenter
San Francisco
(pop: 3,020)
: Not felt
Quezon, Calabarzon
77 km (48 mi)
N of epicenter
Ragay
(pop: 9,000)
: Not felt
Province of Camarines Sur, Bicol
79 km (49 mi)
E of epicenter
Claveria
(pop: 6,190)
: Not felt
Province of Masbate, Bicol
81 km (50 mi)
NE of epicenter
Sipocot
(pop: 12,900)
: Not felt
Province of Camarines Sur, Bicol
82 km (51 mi)
E of epicenter
Pantao
(pop: 6,860)
: Not felt
Province of Albay, Bicol
84 km (52 mi)
NE of epicenter
Naga
(pop: 174,900)
: Not felt
Province of Camarines Sur, Bicol
84 km (52 mi)
NE of epicenter
Bula
(pop: 13,700)
: Not felt
Province of Camarines Sur, Bicol
85 km (53 mi)
W of epicenter
Boac
(pop: 6,570)
: Not felt
Province of Marinduque, Mimaropa
87 km (54 mi)
NW of epicenter
Pitogo
(pop: 7,820)
: Not felt
Quezon, Calabarzon
87 km (54 mi)
NE of epicenter
Magarao
(pop: 15,200)
: Not felt
Province of Camarines Sur, Bicol
87 km (54 mi)
NW of epicenter
Lopez
(pop: 25,800)
: Not felt
Quezon, Calabarzon
89 km (55 mi)
E of epicenter
Bato
(pop: 16,900)
: Not felt
Province of Camarines Sur, Bicol
91 km (57 mi)
E of epicenter
Nabua
(pop: 25,700)
: Not felt
Province of Camarines Sur, Bicol
92 km (57 mi)
NE of epicenter
Calabanga
(pop: 26,800)
: Not felt
Province of Camarines Sur, Bicol
93 km (57 mi)
N of epicenter
Tagkawayan Sabang
(pop: 7,680)
: Not felt
Quezon, Calabarzon
94 km (58 mi)
N of epicenter
Calauag
(pop: 20,800)
: Not felt
Quezon, Calabarzon
95 km (59 mi)
E of epicenter
Libon
(pop: 68,800)
: Not felt
Province of Albay, Bicol
96 km (60 mi)
E of epicenter
Pio Duran
(pop: 13,200)
: Not felt
Province of Albay, Bicol
96 km (60 mi)
E of epicenter
Iriga City
(pop: 94,800)
: Not felt
Province of Camarines Sur, Bicol
99 km (61 mi)
NW of epicenter
Gumaca
(pop: 22,500)
: Not felt
Quezon, Calabarzon
99 km (62 mi)
NW of epicenter
Unisan
(pop: 4,760)
: Not felt
Quezon, Calabarzon
100 km (62 mi)
E of epicenter
Polangui
(pop: 77,100)
: Not felt
Province of Albay, Bicol
117 km (73 mi)
NW of epicenter
Atimonan
(pop: 29,400)
: Not felt
Quezon, Calabarzon
130 km (81 mi)
NW of epicenter
Pagbilao
(pop: 40,800)
: Not felt
Quezon, Calabarzon
192 km (119 mi)
NW of epicenter
Calamba
(pop: 316,600)
: Not felt
Laguna, Calabarzon
235 km (146 mi)
NW of epicenter
Manila
(pop: 1,600,000)
: Not felt
Capital District, National Capital Region
Notes:
(*) Shaking intensity according to the Modified Mercalli Intensity Scale (MMI) and estimated using seismic models.

User-reports for this quake

At magnitude 1.6, such a quake wouldn't normally be felt by people, but could be recorded instrumentally.
User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
There are no user reports for this quake.

Compare Quake Data

Data for the same earthquake as reported by different agencies

The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag Depth Time GMT
2023-11-27
Epicenter Agency
1.6 23 km
14 mi
14:24:00 Philippines: 021 Km S 32° W of San Andres (Quezon) PHIVOLCS (Philippine Institute of Volcanology and Seismology)

Earthquake statistics

Average number of earthquakes

Based on data from the past 10 years and our earthquake archive back to 1900, there are about 872 quakes on average per year in the area near the epicenter of this quake (within 100 km/61 mi):
  • Mag. 7 or higher: 0.02 quakes per year (or 1 quake every 50 years)
  • Mag. 6 or higher: 0.09 quakes per year (or 1 quake every 11.1 years)
  • Mag. 5 or higher: 0.59 quakes per year (or 1 quake every 1.7 years)
  • Mag. 4 or higher: 2.2 quakes per year
  • Mag. 3 or higher: 18.2 quakes per year
  • Mag. 2 or higher: 69 quakes per year
  • Mag. 1 or higher: 86 quakes per year
The area where this quake occurred has a very high level of seismic activity. It has had at least 2 quakes above magnitude 7 since 1900, which suggests that larger earthquakes of this size occur infrequently, probably on average approximately every 60 to 65 years.

Number of quakes per year

Previous quakes in the same area of this earthquake

Map of earlier quakes in the area of this quake

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Map to embed or share

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